A solenoid (S1) is provided with: a first fixed iron core (5) and a second fixed iron core (6) located on one end and the other end in an axial direction of a coil (4); a first movable iron core (7) and a second movable iron core (8) that are located between the first fixed iron core (5) and the second fixed iron core (6) and are attracted to the first fixed iron core (5) and the second fixed iron core (6), respectively, by energizing the coil (4); a spring (9) that is accommodated in a spring chamber (L6) formed on the first fixed iron core (5) side of the first movable iron core (7), and biases the first movable iron core (7) toward the second fixed iron core (6); a plate spring (90) that restricts a movement of the first movable iron core (7) with respect to the second movable iron core (8) in a direction toward the second fixed iron core (6); and a throttle passage (p5) that communicates the spring chamber (L6) with the outside.
This solenoid (S1) comprises: a first fixed core (5) and a second fixed core (6) that are respectively located on one end side and the other end side in the axial direction of a coil (4); a first movable core (7) and a second movable core (8) that are located between the fixed cores and are respectively attracted to the first fixed core (5) and the second fixed core (6) by energizing the coil (4); a spring (9) that biases the first movable core (7) toward the second fixed core (6); a plate spring (90) that restricts a movement of the first movable core (7) with respect to the second movable core (8) toward the second fixed core (6); and a communication path (p5) that provides communication between the first fixed core (5) side and the second fixed core (6) side of the second movable core (8).
A solenoid (S1) is provided with: first and second stationary iron cores (5, 6) which are respectively on one end side and the other end side of a coil (4) in an axial direction; first and second movable iron cores (7, 8) which are respectively attracted toward the first and second stationary iron cores (5, 6) when current is passed through the coil (4) and which are located between the first and second stationary iron cores; a spring (9) which biases the first movable iron core (7) toward the second stationary iron core (6) side; and a plate spring (90) which restricts the movement of the first movable iron core (7) toward the second stationary iron core (6) side with respect to the second movable iron core (8), wherein the first movable iron core (7) is restricted from moving in a direction orthogonal to the axial direction of the coil (4) with respect to the first and second stationary iron cores (5, 6).
A solenoid (S1) is provided with: a first fixed iron core (5) and a second fixed iron core (6) located on one end and the other end in an axial direction of a coil (4); a first movable member (7) and a second movable member (8) that are located between the first fixed iron core (5) and the second fixed iron core (6) and are attracted to the first fixed iron core (5) and the second fixed iron core (6), respectively, by energizing the coil (4); a spring (9) that biases the first movable member (7) toward the second fixed iron core (6); and a first restricting member (90) made of a nonmagnetic material that is mounted integrally with the first movable member (7) or the second movable member (8), and restricts movement of the first movable member (7) with respect to the second movable member (8) in a direction toward the second fixed iron core (6).
To provide a solenoid, a solenoid valve, and a damper in which when the amount of current supplied to the solenoid is small, the thrust of the solenoid to bias an object in one direction can be made small, and at the same time, even when the solenoid is not energized, the object can be biased in the same direction as that of the thrust. The solenoid includes a coil, a first movable iron core and a second movable iron core that are attracted in a direction away from each other by energizing the coil, a coil spring that biases the first movable iron core toward the second movable iron core, and a leaf spring that restricts the approach of the first movable iron core and the second movable iron core.
H01F 7/08 - ElectromagnetsActuators including electromagnets with armatures
F16F 9/19 - Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder
F16F 9/34 - Special valve constructionsShape or construction of throttling passages
F16F 9/516 - Special means providing automatic damping adjustment resulting in the damping effects during contraction being different from the damping effects during extension
F16F 9/348 - Throttling passages in the form of annular discs operating in opposite directions
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
B60G 13/08 - Resilient suspensions characterised by arrangement, location, or type of vibration-dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
B60G 17/015 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
F16F 9/06 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
Provided are: a solenoid that is capable of, when the amount of a current supplied to the solenoid is low, reducing a propelling force of the solenoid for biasing an object in one direction and capable of biasing the object in the same direction as that for the propelling force during non-energization of the solenoid; an electromagnetic valve; and a buffer. A solenoid (S) is provided with: a coil (40); a first movable iron core (45) and a second movable iron core (46) that are drawn in directions separating the two away from each other when current is passed through the coil (40); a coil spring (47) that biases the first movable iron core (45) toward the second movable iron core (46); and a plate spring (48) that restricts the first and second movable iron cores (45, 46) from approaching each other.
H01F 7/06 - ElectromagnetsActuators including electromagnets
F16F 9/34 - Special valve constructionsShape or construction of throttling passages
F16F 9/46 - Means on or in the damper for manual or non-automatic adjustmentSprings, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details such means combined with temperature correction allowing control from a distance
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
H01F 7/121 - Guiding or setting position of armatures, e.g. retaining armatures in their end position
Provided is a shock absorber (10) for generating damping force by applying resistance to operating fluid. The shock absorber (10) is provided with: a cylinder (11) filled with the operating fluid; a piston (16) having an outer peripheral section sliding on the inner peripheral surface of the cylinder (11); a rod (15) joined to the piston (16) and protruding outward from the cylinder (11); and a head (19) for supporting the outer peripheral surface of the rod (15) in a slidable manner. An amorphous carbon film (24, 25, 26) is formed on the inner peripheral surface of the cylinder (11) and/or the outer peripheral section of the piston (16).
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
F16F 9/53 - Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
The present invention is provided with: a grayscale image generation step for imaging a tool to be inspected and generating a grayscale image, a histogram generation step for generating a histogram showing the distribution of brightness values in the grayscale image by number of pixels, and a determination step for determining the state of the tool to be inspected on the basis of the histogram.
A pump device comprising: a main pump (101) which supplies a working fluid through a first discharge passage (32) to a fluid pressure apparatus (21); a subpump (102) which supplies the working fluid through a second discharge passage (33) to the fluid pressure apparatus, said second discharge passage merging with the first discharge passage; a check valve (35) which is provided to the second discharge passage and only allows the working fluid to flow from the second discharge passage to the first discharge passage; a return passage (36) for returning the working fluid discharged from the subpump to the intake side, said return passage being provided to the second discharge passage in a manner so as to branch from the upstream side of the check valve; and a switching valve (40) which is provided to the return passage and has a blocking position in which the return passage is blocked and an opening position in which the return passage is opened.
F04C 14/26 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves using bypass channels
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
F04C 11/00 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston typePumping installations
F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Provided is linear motor that comprises a cylindrical yoke and a rod which penetrates the yoke in the axial direction thereof, and that is configured so that the yoke and the rod are relatively displaced in the axial direction, wherein the linear motor comprises: a plurality of teeth which protrude from the inner circumferential surface of the yoke in the radial direction and which are disposed in a row arrangement in the axial direction; slots which are formed between adjacent teeth; coils which are disposed in the slots; and a plurality of permanent magnets which are held side by side in the rod along the axial direction. From among the teeth, the protrusion amount of teeth located at both ends in the axial direction is set to be smaller than the protrusion amount of the other teeth.
The tool inspection method comprises: a reference image obtaining step of photographing a reference tool, which serves as a reference, and obtaining a reference image; a to-be-inspected object image obtaining step of imaging a tool to be inspected and obtaining a to-be-inspected object image; a correlation value calculating step of calculating a correlation value between the reference image and the to-be-inspected object image on the basis of a phase component obtained by frequency-resolving the reference image and the to-be-inspected object image; and a determination step of determining the degradation level of the tool on the basis of the correlation value.
B23Q 17/24 - Arrangements for indicating or measuring on machine tools using optics
B23Q 17/20 - Arrangements for indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
This tool inspection method is provided with a grayscale image generation step for imaging a tool under inspection and generating a grayscale image; a topographical image generation step for processing the grayscale image using a first filter and generating a topographical image indicating a brightness gradient; a marker image generation step for processing the grayscale image using a second filter, extracting a characteristic portion within a wear area, setting a marker for the extracted portion, and generating a marker image; a wear area extraction step for using the topographical image and marker image to extract a wear area through maker-based watershed area segmentation; and a determination step for determining the state of the tool under inspection on the basis of the surface area of the wear area extracted in the wear area extraction step.
Provided is a damper that prevents leakage of a liquid sealed in a cylinder and can maintain appropriate counterforce and attenuation characteristics. The piston (20) of the damper moves reciprocally, compartmentalizing the interior of a cylinder (10) into a first chamber (A) on an opening-end (11) side and a second chamber (B) on a sealed-end (12) side. The tip (31) of a piston rod (30) is joined to the piston (20) and the base (33) side protrudes to the outside from the opening end (11) of the cylinder (10). A rod guide (40) is affixed to the opening end (11) of the cylinder (10), and has a through hole (44) through which the piston rod (30) is inserted in a manner able to move in a reciprocal manner. A seal section (49) provided to the rod guide (40) is provided to a position separated at the first chamber (A) side of the greatest stroke width (S) of the piston rod (30) from the outer end (Z) of the sliding surface (47) of the through hole (44).
A parking guiding device is provided with: an imaging unit that images a guide mark for vehicle guidance and a parking mark for parking a vehicle in a parking space; and a control unit that generates a guide command for guiding the vehicle on the basis of the guide mark imaged by the imaging unit, and that generates a parking command for parking the vehicle in the parking space on the basis of the parking mark imaged by the imaging unit.
G08G 1/00 - Traffic control systems for road vehicles
B60R 21/00 - Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
The present invention provides a casting product production data management method capable of impacting the quality of a casting product and of verifying a production process intermediates for every casting product, the intermediates being difficult to verify after the casting product is completed. In the casting product production data management method, each type of production data for a casting product is entered in a database (1) and managed. This casting product production data management method is provided with: a first data acquisition step for acquiring sand mold (11) production data from a molding step (10) that is for producing a sand mold (11); and a second data acquisition step for acquiring molten metal production data from a molten metal production step (30) that is for producing a molten metal by melting a casting metal and discharging the molten metal. Each of the production data acquired in the first data acquisition step and the second data acquisition step is associated with a corresponding casting product, entered in the database (1), and managed.
A damper control device is provided with a speed conversion unit for converting a damper speed into a control damper speed, when the damper is accelerating, converts the damper speed such that the signs of the control damper speed and the damper speed match and the absolute value of the control damper speed becomes greater than or equal to the absolute value of the damper speed, when the damper is decelerating, converts the damper speed such that the signs of the control damper speed and the damper speed match and the absolute value of the control damper speed becomes less than or equal to the absolute value of the damper speed, and controls the damping force of the damper using the control damper speed.
B60G 17/018 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method
B60G 17/015 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
17.
DEVICE AND METHOD FOR MANUFACTURING KNUCKLE BRACKET
A device for manufacturing a knuckle bracket having: a bracket body having an inner peripheral shape that follows a shock absorber tube; and a pair of attachment parts formed so as to protrude in a parallel manner from both ends of the bracket body, wherein: the device is provided with a width shaping apparatus for shaping the widths of the pair of attachment parts while a workpiece is supported on a supporting shaft, and a hole forming apparatus for machining attachment holes in the pair of attachment parts while the workpiece is supported on the support shaft and the pair of attachment parts are facing both side surfaces of a die; and conveying of the workpiece (9) from the width shaping apparatus to the hole forming apparatus involves raising the support shaft, moving the workpiece along the raised support shaft to a position above the die, and lowering the workpiece until the support shaft comes into contact with the upper surface of the die.
A silver-plated structure to be formed on the surface of a metallic base body comprises: a pre-treatment layer which is formed by washing the surface of the base body with a pre-treating agent; a resin coating film layer which is formed on the surface of the pre-treatment layer; and a silver plating layer which is formed on the surface of the resin coating film layer. The silver plating layer comprises: a silver film which is formed by a silver mirror reaction; an under coat film which can adhere the silver film onto the surface of the resin coating film layer; and a top coat film which can protect the surface of the silver film.
C23C 18/18 - Pretreatment of the material to be coated
C23C 18/44 - Coating with noble metals using reducing agents
C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
C25D 13/00 - Electrophoretic coating characterised by the process
C25D 13/06 - Electrophoretic coating characterised by the process with organic material polymers
A pump volume control device comprises a tilting piston, a pump volume control valve that adjusts the tilt driving pressure by a spool being moved, a flow rate control spring that biases the spool according to the tilt angle, a horsepower control piston that moves according to the pump discharge pressure, and horsepower control springs that bias the horsepower control piston according to the tilt angle. In a state of controlled flow rate, the tilt driving pressure is adjusted by the spool moving according to a force applied to the spool by way of flow rate control signal pressure, and in a state of horsepower control, the tilt driving pressure is adjusted by the spool moving according to the force applied to the horsepower control piston by way of the pump discharge pressure.
F04B 49/00 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
A pump control device equipped with an actuator that changes the discharge capacity of the pump, and a regulator that regulates the control pressure conducted to the actuator. The regulator is equipped with: a drive pressure port to which an average discharge pressure (wherein the discharge pressure of the operating fluid discharged from multiple discharge ports is averaged) is supplied; a source pressure port, to which the highest, that is, the high-pressure-side discharge pressure of the operating fluid discharged from the multiple discharge ports is supplied; signal pressure ports to which signal pressure is supplied; and a spool, which moves when the average discharge pressure and the signal pressures are received, thereby regulating the control pressure, with the high-pressure-side discharge pressure as the source pressure. A drive pressure receiving surface that receives the average discharge pressure is formed within the spool, and signal pressure receiving surfaces that receive the signal pressures are formed on outer circumferential stepped parts of the spool.
This front fork is provided with a pair of dampers that are upright at both sides of a vehicle wheel, wherein one of the pair of dampers is a magnetorheological fluid damper using as the working fluid a magnetorheological fluid of which the viscosity changes by means of the action of a magnetic field, and the other is a hydraulic damper that uses a liquid such as oil, water, or an aqueous solution as the working fluid.
B62K 25/08 - Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms for front wheel
F16F 9/28 - Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders, each having a single working space closed by a piston or plunger with two parallel cylinders and with the two pistons or plungers connected together
F16F 9/53 - Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
An opposed-swash-plate-type liquid pressure rotary machine in which first and second pistons which project from both ends of a cylinder block move back and forth inside the cylinder and follow, respectively, first and second swash plates. The liquid pressure rotary machine is configured: so as to be equipped with a center spring for biasing the cylinder block toward the second swash plate; so that a storage hole (biasing-force receiving part) for receiving the biasing force of the center spring is formed in one end of the cylinder block, while the tip (counterforce receiving part) of a second neck part for receiving the counterforce from the second swash plate is formed at the other end of the cylinder block; and so that the center spring biases the cylinder block toward only the second swash plate.
F04B 1/22 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
F03C 1/253 - Reciprocating-piston liquid engines with movable cylinders in which the liquid exclusively displaces one or more pistons reciprocating in rotary cylinders with cylinder axes generally coaxial with, or parallel to, main shaft axis
This suspension device, which is interposed between a vehicle body and a vehicle wheel, is provided with: a magnetorheological fluid buffer in which a magnetorheological fluid is sealed; a tube member housing the magnetorheological fluid buffer and comprising an outer tube joined to the vehicle body side and an inner tube that is joined to the vehicle wheel side and that goes in and out of the outer tube; a lubricating liquid that is housed in the tube member; and a sealing member that occludes between the inner tube and the magnetorheological fluid buffer, preventing the infiltration of the lubricating liquid to the vehicle wheel side.
F16F 9/46 - Means on or in the damper for manual or non-automatic adjustmentSprings, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details such means combined with temperature correction allowing control from a distance
F16F 9/50 - Special means providing automatic damping adjustment
F16F 9/53 - Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
This suspension device is interposed between a vehicle body and a vehicle wheel, and is provided with: a buffer; a suspension spring; a tube member that houses the buffer and the suspension spring; a sealing member that occludes the opening at one side of the tube member and holds the piston rod of the buffer; a damping force adjustment unit that electrically adjusts the resistance when a working fluid passes through a passage interconnecting two chambers compartmentalized/formed within a cylinder by means of the piston in the buffer; and a reaction force adjustment unit that adjusts the reaction force of the suspension spring. The working fluid is a magnetorheological fluid of which the viscosity changes by means of the action of a magnetic field. The damping force adjustment unit is provided with: a coil that generates a magnetic field at the passage; and wiring that electrifies the coil and passes through the piston rod and the sealing member. The reaction force adjustment unit is attached to the sealing member.
F16F 9/44 - Means on or in the damper for manual or non-automatic adjustmentSprings, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details such means combined with temperature correction
B62K 25/08 - Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms for front wheel
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
F16F 9/53 - Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
A shock absorber is provided with: an extension-side chamber and a pressure-side chamber, which are formed within a cylinder; a housing which forms a pressure chamber; a free piston which divides the inside of the pressure chamber into an extension-side pressure chamber connecting to the extension-side chamber and into a pressure-side pressure chamber connecting to the pressure-side chamber; and an extension-side spring and a pressure-side spring, which exhibit pressing force for suppressing the displacement of the free piston from the neutral position thereof. The pressure-side spring has non-linear characteristics by which the spring constant of the pressure-side spring increases as the pressure-side spring is compressed.
F16F 1/06 - Wound springs with turns lying in cylindrical surfaces
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
A pipe fixture for a fluid pressure cylinder is equipped with a band which is provided with two half-band parts curved along the outer periphery of a cylinder tube and which sandwiches the cylinder tube by securing together both ends of the two band parts, and a bracket which has both ends in the circumferential direction fixed by welding to the outer periphery of the band part. The bracket is provided, on the surface of the opposite side thereof from the band part, with an attachment section to which a pipe is attached along the axis direction of the cylinder tube, and is divided at the attachment section into a first piece on one side in the circumferential direction and a second piece on the other side in the circumferential direction.
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
A drive-assist unit for bogies that assists the drive force applied to a bogie by an operator comprises: a unit main body pivotably coupled to the bogie; an operation unit provided on the unit main body, press-operated by the operator, and capable of inputting drive force to the bogie via the unit main body; and drive wheels rotatably provided in the front/rear direction of the unit main body and to which assist force corresponding to the operation of the operation unit is applied.
A drive-assist unit for bogies that assists drive force applied to a bogie by an operator, comprising: a unit main body pivotably coupled to the bogie; an operation unit provided in the unit main body, press-operated by the operator, and capable of inputting drive force to the bogie via the unit main body; drive wheels rotatably provided in the front/rear direction of the unit main body and to which assist force corresponding to the operation of the operation unit is applied; a lower engagement mechanism capable of engaging with the bogie as a result of the unit main body being pushed on to the bogie; and an upper engagement mechanism provided above the lower engagement mechanism and capable of engaging with the bogie as a result of a locking member being fitted therein by the operator.
A damping valve comprises an annular valve disc provided with: a circular annular outer peripheral seat section which protrudes in the axial direction of the valve disc; an inner peripheral seat section which is provided on the inside of the outer peripheral seat section and which protrudes in the axial direction; an annular window which is formed between the outer peripheral seat section and the inner peripheral seat section; and a port which connects to the annular window. The damping valve is also provided with: an annular leaf valve which is stacked on the valve disc and which is separated from and seated on the outer peripheral seat section; an annular spacer which is disposed between the leaf valve and the inner peripheral seat section and which sets the initial amount of deflection of the leaf valve; and a positioning section which restricts the radial positional displacement of the spacer relative to the valve disc.
In this pump discharge flow rate control device, the discharge flow rate of a variable displacement pump is controlled to decrease in response to increases in the control pressure which is adjusted by means of a regulator, and this pump discharge flow rate control device is provided with a control pressure actuator which, in response to increases in the differential pressure across a resistor interposed in a signal pressure passage, drives the regulator and decreases the control pressure, wherein the resistor is provided with a check valve and a fixed throttle interposed in parallel with each other in the signal pressure passage, and the check valve is provided with a seat interposed in the signal pressure passage, a poppet arranged downstream of the seat, and a spring which pushes the poppet towards the seat.
F04B 49/00 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
An opposed swashplate-type piston motor in which a first piston and a second piston protruding from both ends of a cylinder block reciprocate in conjunction with a first swashplate and a second swashplate, respectively, said piston motor being equipped with: a first tilting bearing for tiltably supporting the first swashplate; a first tilting drive piston for tilting the first swashplate in a direction which intersects the rotational axis of the cylinder block; a second tilting bearing for tiltably supporting the second swashplate; and a second tilting drive piston for tilting the second swashplate in a direction which intersects the rotational axis of the cylinder block.
F04B 1/22 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
F03C 1/253 - Reciprocating-piston liquid engines with movable cylinders in which the liquid exclusively displaces one or more pistons reciprocating in rotary cylinders with cylinder axes generally coaxial with, or parallel to, main shaft axis
A piston motor equipped with: a bush which has a curved-plate shape and slides along the rear surface of a swash plate for tilting; an intake/exhaust channel formed in a casing and extending from the piston to the swash plate, and having a swash plate port opening to the rear surface of the swash plate and formed in the swash plate, and a bush port extending through the bush; and an elastic ring surrounding the opening end of the bush port, and interposed between the casing and the bush.
F04B 1/22 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
F03C 1/253 - Reciprocating-piston liquid engines with movable cylinders in which the liquid exclusively displaces one or more pistons reciprocating in rotary cylinders with cylinder axes generally coaxial with, or parallel to, main shaft axis
33.
LOAD CONTROL DEVICE, ELECTRIC POWER STEERING APPARATUS, AND METHOD FOR CONTROLLING LOAD CONTROL DEVICE
A load control device is provided with a load control means for driving a load, a current sensing resistor, a differential amplifier, and a current calculation means. The load control means can perform switching between a standby state in which a state in which one of switching elements is turned on and the other of the switching elements is turned off and a state in which the one of the switching elements is turned off and the other of the switching elements is turned on are repeated, and a drive state in which both of the switching elements are turned on. The current calculation means calculates a current flowing through the current sensing resistor on the basis of a value outputted from the differential amplifier in the drive state and an offset value outputted from the differential amplifier in the standby state.
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
B62D 6/00 - Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
A pipe fixture for a fluid pressure cylinder which fixes, to a cylinder tube, a pipe for supplying and discharging a working fluid within the cylinder tube is equipped with a band which is provided with two half-band parts curved along the outer periphery of the cylinder tube and which sandwiches the cylinder tube by securing together both ends of the two band parts, and a bracket to which the pipe is attached which has both ends in the circumferential direction fixed by welding to the outer periphery of the band part. The band part to which the bracket is welded is provided with a bracket facing section which faces the bracket and a low-rigidity section which has a lower rigidity than the bracket facing section.
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
Provided is a knuckle bracket that is provided with a tubular bracket main body, which is welded/affixed to the outer periphery of the outer tube of a buffer, and a pair of pincering pieces, which protrude opposing each other outwards from the bracket main body and extend along the axial direction of the bracket main body, and wherein the bracket main body is provided with: a notch formed at one end thereof; and a pressing section that can abut a mis-assembly detection pin of a mis-assembly prevention device that identifies the type of knuckle bracket.
A drive-assist unit for bogies that assists drive force applied to a bogie by an operator, comprising: a unit main body pivotably coupled to the bogie; an operation unit provided in the unit main body, press-operated by the operator, and capable of inputting drive force to the bogie via the unit main body; drive wheels rotatably provided in the front/rear direction of the unit main body and to which assist force corresponding to the operation of the operation unit is applied; a lower engagement mechanism that engages with a coupling rod protruding externally from the bogie and provided vertically to the ground, said lower engagement mechanism being slidable in the axial direction relative to the coupling rod; and an upper engagement mechanism provided above the lower engagement mechanism, slidable in the axial direction relative to the coupling rod, and which engages with the coupling rod.
This shock absorber is provided with a shock absorber main body interposed between the vehicle body and a wheel, a cylinder linked to the wheel side and standing upright in the axial center of the shock absorber main body, a fluid chamber formed inside of the cylinder and filled with a work fluid, an annular rod guide fixed to the cylinder and blocking the vehicle side of the fluid chamber, a piston rod linked to the vehicle body side and entering and exiting the cylinder through the axial center of the rod guide, an annular seal member held in the inner periphery of the rod guide and in sliding contact with the outer peripheral surface of the piston rod, and a relief unit formed on the outer periphery of the piston rod and, when the piston rod has exited a prescribed amount from the cylinder, forming a gap between the piston rod and the seal member.
F16F 9/36 - Special sealings, including sealings or guides for piston-rods
B62K 25/08 - Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms for front wheel
F16F 9/18 - Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
38.
HYDRAULIC SHOCK ABSORBER AND METHOD OF INJECTING WORK FLUID INTO HYDRAULIC SHOCK ABSORBER
This hydraulic shock absorber is provided with a cylinder linked to the wheel side, a fluid chamber formed inside of the cylinder and filled with a work fluid, an annular rod guide fixed to the cylinder and blocking the vehicle side of the fluid chamber, a piston rod linked to the vehicle side and entering and exiting the cylinder through the axial center of the rod guide, a piston held by the piston rod and dividing the fluid chamber into an expansion side chamber and a pressure side chamber, and an annular bushing fitted in the inner periphery of the rod guide and pivotally supporting the piston rod so as to allow movement in the axial direction, wherein the piston rod is provided with a columnar sliding shaft part in sliding contact with the bushing, and a first injection unit for injecting the work fluid, provided outside the damper stroke area, on the side of the sliding shaft part opposite of the piston.
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
B62K 25/08 - Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms for front wheel
A joined body in which the end surfaces of two joining members are joined to each other by friction welding is provided with: a hollow section that is formed in at least one of the joining members and that opens onto the joining surface of the two joining members; and a groove section that is the inner peripheral surface of the hollow section and that is formed to have an annular shape at a position that is separated from the joining surface in the axial direction.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by frictionFriction welding
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
F16J 7/00 - Piston-rods, i.e. rods rigidly connected to the piston
A mixer truck provided with a mixer drum that is mounted on a vehicle and can be loaded with ready-mixed concrete is provided with: a drive device for rotationally driving the mixer drum; and a loading state detector for detecting whether or not the mixer drum is loaded with the ready-mixed concrete, and the rotation of the mixer drum by the drive device can be stopped when the vehicle is in a stopped state, and the loading state detector detects that the mixer drum is not loaded with the ready-mixed concrete.
B60P 3/16 - Vehicles adapted to transport, to carry or to comprise special loads or objects for carrying mixed concrete, e.g. having rotatable drums
F02D 29/02 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehiclesControlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving variable-pitch propellers
41.
FLUID PRESSURE CYLINDER AND MANUFACTURING METHOD THEREFOR
The fluid pressure cylinder undergoes expansion and contraction according to the supply and discharge of fluid pressure into the cylinder tube. Inward from the two ends of the cylinder tube in the axial direction, at least one small diameter section, which has a smaller diameter than the two ends of the axial direction, is formed by flow forming.
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
B21D 22/16 - Spinning over shaping mandrels or formers
B21H 1/18 - Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely
A spring rubber seat provided between: a spring that is formed by a wire being wound, and elastically supports a vehicle body; and a spring seat on which the spring is disposed. The spring rubber seat comprises: an arc-shaped seat section wherein a seat surface, on which the spring sits, is formed; and connecting sections which link one end of the seat section in the circumferential direction to the other end, and cause the spring rubber seat to form a circular shape.
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
B60G 3/28 - Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram at least one of the arms itself being resilient, e.g. leaf spring
B60G 11/16 - Resilient suspensions characterised by arrangement, location, or kind of springs having helical, spiral, or coil springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
This piston of a magnetorheological fluid damper is provided with: a piston core having a small diameter section attached to an end of a piston rod, an enlarged diameter section that is continuously formed in the axial direction at a larger diameter than the small diameter section and wherein a stepped section is formed between the small diameter section and the enlarged diameter section, and a large diameter section that is continuously formed in the axial direction at a larger diameter than the enlarged diameter section and has a coil disposed on the outer periphery; a ring body that surrounds the outer periphery of the piston core, wherein a channel for a magnetorheological fluid is formed between the large diameter section and the ring body; a plate that is formed in an annular shape, is positioned on the outer periphery of the small diameter section, and is attached to one end of the ring body; and a stopper that is attached to the small diameter section, wherein the plate is sandwiched between the stepped section and the stopper.
In order to reduce the overall length of a piston (20) of a magnetorheological fluid damper (100), the piston (20) is provided with: a piston core (30) that is attached to an end section of a piston rod (21), and has a coil (33) disposed on the outer periphery; a flux ring (35) that surrounds the outer periphery of the piston core (30), forming a channel for magnetorheological fluid; a plate (40) that has an annular shape and is positioned on the outer periphery of the piston rod, and is brazed to one end of the flux ring (35); and a stopper comprising a locking nut (50). The flux ring (35) and the plate (40) are joined by a metal layer.
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
F16F 9/53 - Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
A drum washing device for washing the interior of a mixer drum installed in a mixer truck, provided with: a washing fluid supply hose for supplying a washing fluid; a washing pipe connected to the washing fluid supply hose and inserted at the tip into the mixer drum through an open end of the mixer drum; and an injection part for injecting the washing fluid into the mixer drum, the injection part being provided to the washing pipe. The washing pipe is configured so as to move in accordance with external force exerted from the exterior.
This shock absorber is equipped with an intake channel (3) for only allowing the flow from a reservoir (R) to a pressure-side chamber (R2), a rectifying channel (4) for only allowing the flow from the pressure-side chamber (R2) to an extension-side chamber (R1), and a variable valve (V) for only allowing the flow from the extension-side chamber (R1) to the reservoir (R). The interior of the shock absorber is provided with a large chamber (16) serving as a pressure-side pressure chamber for connecting to the pressure-side chamber (R2), and an outer-peripheral chamber (17) serving as an extension-side pressure chamber for connecting to the extension-side chamber (R1), which sandwich a free piston (5) for sliding in the interior of a bottom member (11) serving as a housing. The pressure-side pressure-receiving surface area (A1) of the free piston (5) is set so as to be larger than the extension-side pressure-receiving surface area (B1) thereof; hence, during a contraction operation in which a piston (2) moves downward, the damping force during a high-frequency input is reduced, because the free piston (5) moves downward even in a uniflow-type shock absorber in which the extension-side chamber (R1) and the pressure-side chamber (R2) are at identical pressures.
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
This shock absorber is equipped with an intake channel (3) for only allowing the flow from a reservoir (R) to a pressure-side chamber (R2), a rectifying channel (4) for only allowing the flow from the pressure-side chamber (R2) to an extension-side chamber (R1), and a variable damping valve (V) for only allowing the flow from the extension-side chamber (R1) to the reservoir (R). A bottom member (11) serving as a housing is provided with the following, which sandwich a free piston (5): a large chamber (16), and a small chamber (15) and outer-peripheral chamber (17). The small chamber (15) or outer-peripheral chamber (17) connects to the extension-side chamber (R1). The large chamber (16) connects to the pressure-side chamber (R2) via a first valve (Va) or a second valve (Vb). During a contraction operation in which a piston (2) moves downward, the free piston (5) is capable of moving downward, because there is a difference in pressure-receiving surface area, even in a uniflow-type shock absorber in which the extension-side chamber (R1) and the pressure-side chamber (R2) are at identical pressures.
This shock absorber (D1) is equipped with an intake channel (3) for only allowing the flow from a reservoir (R) to a pressure-side chamber (R2), a rectifying channel (4) for only allowing the flow from the pressure-side chamber (R2) to an extension-side chamber (R1), and a variable damping valve (V) for only allowing the flow from the extension-side chamber (R1) to the reservoir (R). The shock absorber (D1) is provided with a large chamber (16) serving as a pressure-side pressure chamber for connecting to the pressure-side chamber (R2), and an outer-peripheral chamber (17) serving as an extension-side pressure chamber for connecting to the extension-side chamber (R1), which sandwich a free piston (5) for sliding in the interior of a bottom member (11) serving as a housing for forming a pressure chamber (14). The pressure-side pressure-receiving surface area (A1) of the free piston (5) is set so as to be larger than the extension-side pressure-receiving surface area (B1) thereof; hence, during a contraction operation in which a piston (2) moves downward, the damping force during a high-frequency input is reduced, because the free piston (5) moves downward even in a uniflow-type shock absorber in which the extension-side chamber (R1) and the pressure-side chamber (R2) are at identical pressures.
F16F 9/50 - Special means providing automatic damping adjustment
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
A control device for a work machine, comprising: a storage unit that stores constants used in a program that operates the work machine; a control unit that executes the program using the constants stored in the storage unit and controls the operation of the work machine; and a connector unit to which is connected an external device capable of having refreshed values for overwriting the constants stored in the storage unit input thereto.
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
In the present invention, a variable-capacity vane pump is provided with a plate, an intake-side back-pressure port, a discharge-side back-pressure port, an addition groove, and a connection groove. The plate includes a rotor, a vane, a cam ring, a pump chamber, an intake port, a discharge port, a back-pressure chamber, a sliding contact surface, and a through-hole. The intake-side back-pressure port guides a working fluid for the intake port to the back-pressure chamber in an intake section. The discharge-side back-pressure port guides a working fluid for the discharge port to the back-pressure chamber in a discharge section. The addition groove is provided to the sliding contact surface from between the discharge-side back-pressure port and the through-hole to between the intake-side back-pressure port and the through-hole. The connection groove interconnects the addition groove and the intake-side back-pressure port.
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
A vehicle height adjustment device is provided with: a jack chamber which supports a spring receiver which supports one end of a suspension spring; and a fluid pressure drive unit which supplies and discharges operating fluid to and from the jack chamber, lifting and lowering the spring receiver. The fluid pressure drive unit is provided with: a pump which selectively supplies operating fluid to a first flow passage or a second flow passage; and a tank which is connected to the first flow passage or the second flow passage, to which the operating fluid is not supplied from the pump. The vehicle height adjustment device is further provided with: a jack flow passage which connects the first flow passage and the jack chamber; a valve body which closes the jack flow passage in an openable and closable manner; a spring which presses the valve body in the direction in which the valve body closes the jack flow passage; and a pilot line which applies pressure in the second flow passage to the valve body so that the valve body opens the jack flow passage.
B62K 25/04 - Axle suspensions for mounting axles resiliently on cycle frame or fork
B60G 17/027 - Mechanical springs regulated by fluid means
B62K 25/20 - Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg for rear wheel
F16F 9/46 - Means on or in the damper for manual or non-automatic adjustmentSprings, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details such means combined with temperature correction allowing control from a distance
A damping valve is provided with: a valve seat member provided with a port; a valve body for opening and closing the port; a back pressure chamber for pressing the valve body toward the valve seat member by pressure within the back pressure chamber; a pilot passage for reducing pressure upstream of the port and conducting the reduced pressure to the back pressure chamber; and a pilot valve provided between the ends of the pilot passage and controlling the pressure within the back pressure chamber. The pilot valve is provided with: a pilot valve seat member having a tube-like valve-housing cylinder provided with a through-hole which causes the inside and the outside to communicate with each other and which connects to the port, the pilot valve seat member also having an annular pilot valve seat which is provided at an end of the valve-housing cylinder; and a pilot valve body having a large-diameter section, a small-diameter section which is inserted into the valve-housing cylinder in a slidable manner, and a recess which is provided between the large-diameter section and the small-diameter section and which faces the through-hole. The pilot passage is opened and closed by causing an end of the large-diameter section to be separated from and seated on the pilot valve seat.
F16F 9/46 - Means on or in the damper for manual or non-automatic adjustmentSprings, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details such means combined with temperature correction allowing control from a distance
F16F 9/34 - Special valve constructionsShape or construction of throttling passages
F16F 9/348 - Throttling passages in the form of annular discs operating in opposite directions
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16K 31/42 - Operating meansReleasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
This damping valve is provided with the following: a valve-seat member provided with a port; a valve element that opens and closes said port; a cylindrical spool that abuts against the side of the valve element facing away from the valve-seat member; a spool-retaining member around which the spool is fitted so as to be able to move axially; a ring that is fitted around the spool-retaining member and makes sliding contact with the inside surface of the spool; and a back-pressure chamber that is defined by the spool and the spool-retaining member and, via internal pressure, biases the spool so as to push the valve element towards the valve-seat member. The pressure inside the back-pressure chamber is made to act on the inside of the ring.
F16F 9/46 - Means on or in the damper for manual or non-automatic adjustmentSprings, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details such means combined with temperature correction allowing control from a distance
B60G 13/08 - Resilient suspensions characterised by arrangement, location, or type of vibration-dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
According to the present invention, a damping valve comprises: a valve seat member provided with a port and a first valve seat encircling the port; a main valve body that is seated on and removed from the first valve seat and that is provided with a second valve seat on the side opposite the valve seat member; an auxiliary valve body seated on and removed from the second valve seat; an inter-valve-body chamber formed between the main valve body and the auxiliary valve body on the inner periphery of the second valve seat; a limiting passage for communicating the port and the inter-valve-body chamber, and creating resistance against the flow of fluid passing through; and an auxiliary valve body urging means for urging the auxiliary valve body toward the main valve body.
F16F 9/46 - Means on or in the damper for manual or non-automatic adjustmentSprings, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details such means combined with temperature correction allowing control from a distance
F16F 9/348 - Throttling passages in the form of annular discs operating in opposite directions
F16K 17/02 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side
F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
A fluid-throttling member, which is inserted into a channel hole of a channel member and which throttles the flow of a fluid; the fluid-throttling member being provided with a fixed part which is fixed to the inner wall of the channel hole and which defines the channel in which the fluid flows, and a throttle hole which is provided to the fixed part so as to be offset in the axial direction of the channel hole and which throttles the flow of the fluid.
Provided is a damper control device that controls the damping force of a damper that is interposed between an above-spring member and a below-spring member in a vehicle and controls vibration of the below-spring member. The damper control device is provided with a vibration level detection unit that detects a vibration level that is the size of vibration of the below-spring member and a stroke speed detection unit that detects the stroke speed of the damper. The damper control device is also provided with a command value calculation unit that determines a control command value for controlling the damping force of the damper on the basis of the vibration level of the below-spring member and the stroke speed of the damper.
B60G 17/015 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
B60G 17/0165 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
B60G 17/018 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method
A damper control device that controls the damping force of each damper that is interposed between a vehicle body and each of a plurality of wheels in a vehicle is provided with: an undulating good road control calculation unit that determines, for each damper, an undulating good road control command that is suitable for an undulating good road that is an undulating road surface; an undulating bad road control calculation unit that, for each damper, determines an undulating bad road control command that is suitable for an undulating bad road that is more uneven than the undulating good road; and a final command calculation unit that determines, for each damper, a final control command on the basis of the undulating good road control command and the undulating bad road control command.
B60G 17/015 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
B60G 17/0165 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
B60G 17/018 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method
Provided is a damper control device that controls the damping force of a damper that is interposed between an above-spring member and a below-spring member in a vehicle on the basis of damping characteristics that are prepared in advance and controls vibration of the below-spring member. The damper control device is provided with a correction unit that extracts an above-spring resonant frequency component of the stroke speed of the damper and corrects a target value for the damping force of the damper on the basis of the extracted above-spring resonant frequency component.
B60G 17/015 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
B60G 17/0165 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
B60G 17/018 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method
A busbar in this busbar unit has the following: a main body that extends in the circumferential direction of a stator such that the thickness direction of said main body is the same as the axial direction of the stator; an extending part that extends from the main body in the radial direction of the stator; and a coil connection part that is provided at the tip of the extending part and is connected to the end of a coil winding. The extending part is provided with a bracing part, each side of which in the thickness direction of the main body has a surface that is perpendicular to the axial direction of the stator. When the busbar is insert-molded together with an insulating resin, the bracing part is clamped and thereby supported by the mold used to insert-mold the busbar.
A busbar unit formed by insert-molding a plurality of busbars, said busbars being arranged in parallel in the axial direction of a stator. Each busbar is provided with the following: a main body that extends in the circumferential direction of the stator; an insertion hole formed in said main body, wherein a supporting pin that supports the main body of another busbar during insert-molding is inserted through said insertion hole in the axial direction of the stator; and protrusions that are provided on the sides of the main body at positions corresponding to the insertion hole and increase the cross-sectional area of the main body.
A busbar unit in which the following are formed via secondary insert-molding: a primary-molded member formed by primary insert-molding a plurality of primary-molding busbars; and a plurality of secondary-molding busbars. The primary-molding busbars and the secondary-molding busbars are arranged in parallel in the axial direction thereof. Each primary-molding busbar is provided with an insertion hole, and a supporting pin that supports another primary-molding busbar during primary insert-molding is inserted through said insertion hole in the aforementioned axial direction. Each secondary-molding busbar is provided with a through-hole that faces an insertion hole and allows an insulating resin to pass therethrough during secondary insert-molding.
The plurality of busbars in this busbar unit are provided with the following: main bodies that extend in the circumferential direction of a stator such that the thickness direction of said main bodies is the same as the axial direction of the stator; protruding parts that protrude outwards from the outer circumference of the main bodies in the radial direction of the stator; extending parts that are obtained by bending the protruding parts and extend in the axial and radial directions of the stator; and connection parts that are provided at the tips of the extending parts and connected to the ends of coil windings. The positions of the connection parts are prescribed in accordance with the lengths of the extending parts in the axial and radial directions of the stator.
This method for manufacturing a busbar unit includes the following steps: a primary setting step in which a subset of busbars are arranged inside a first mold; a primary molding step in which a primary-molded member is formed by injecting an insulating resin material into the first mold to perform insert-molding; a secondary setting step in which the primary-molded member and the remaining busbars are arranged inside a second mold; and a secondary molding step in which the busbar unit is formed by injecting an insulating resin material into the second mold to perform insert-molding. At the secondary setting step, the primary-molded member and the remaining busbars are arranged inside the second mold such that the outer periphery and/or inner periphery of the remaining busbars abut against a stepped part of the primary-molded member.
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
At least one of the plurality of busbars in this busbar unit is provided with the following: a bent main body that bends so as to extend from a first stack position to a second stack position, said first and second stack positions being separated from each other in the axial direction of a stator; a circular-arc-shaped first main body that extends from one end of the bent main body and is laid out alongside a different busbar in the circumferential direction of the stator at the first stack position; and a circular-arc-shaped second main body that extends from the other end of the bent main body and is laid out alongside a different busbar in the circumferential direction of the stator at the second stack position.
A busbar-unit manufacturing method for manufacturing a busbar unit by using an insulating resin to insert-mold a plurality of busbars. Said busbar-unit manufacturing method includes the following steps: a primary setting step in which a plurality of busbars are arranged on a support part, said support part being provided in a first mold, such that the busbars are separated from each other in the axial direction thereof; an insertion step in which spacing-maintaining members that maintain the spacing between adjacent busbars arranged on the support part and are provided so as to be able to move relative to said support part are inserted between the busbars; and a primary molding step in which, with the spacing-maintaining members inserted between the busbars, an insulating resin is injected into the first mold to perform insert-molding.
This vane pump is provided with a rotor, a vane, a cam ring, a pump chamber, a suction pump, a discharge pump, a back pressure chamber, a discharge-side back pressure pump that leads a working fluid discharged from the discharge pump to the back pressure chamber, and a suction-side back pressure pump that leads the working fluid to the back pressure chamber. The suction-side back pressure pump is formed dividing: a low-pressure pump that leads the working fluid of the suction pump to the back pressure chamber; and a high-pressure pump that leads the working fluid discharged from the discharge pump to the back pressure chamber. The high-pressure pump is disposed to the anterior side in the direction of the rotor with respect to the low-pressure pump.
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
67.
HYBRID CONSTRUCTION MACHINE, CONTROLLER, AND WRITING PROCESSING METHOD FOR NON-VOLATILE MEMORY
This hybrid construction machine is provided with: a hydraulic device including a pump; a regenerative device which generates electricity using energy discharged from the hydraulic device; a non-volatile memory having, stored therein, state information indicating whether a state of the hydraulic device and/or the regenerative device is normal or abnormal; a detection unit for detecting the state; a state determination unit which generates state information indicating whether the detected state is normal or abnormal; an information comparison unit which compares content of the state information generated by the state determination unit, with content of the state information stored in the non-volatile memory, to determine whether said content is the same; and an update unit which, in cases when a comparison result from the information comparison unit indicates a difference between the content, writes, in the non-volatile memory, the state information generated by the state determination unit.
The leveling valve is provided with: a seat for defining a flow channel that communicates with an air spring and a compressed air source or a flow channel that communicates with the air spring and a drain; a valve that moves in the axial direction in response to a relative displacement of the vehicle body with respect to the chassis; a spring for biasing the valve towards the closed position in which the valve abuts against the seat; a valve guide, which supports one end of the spring and is inserted so as to slide freely with respect to the inner surface of the housing wall; and a communication port, which is open at the inner surface of the housing wall. The area of movement in which the valve guide moves is set in a location that is offset in the axial direction from the communication port.
F16K 11/04 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only lift valves
B60G 11/26 - Resilient suspensions characterised by arrangement, location, or kind of springs having fluid springs only, e.g. hydropneumatic springs
An actuator unit is provided with: a rod-side chamber and a piston-side chamber, which are separated by a piston; a tank; a first opening/closing valve which connects and disconnects the rod-side chamber and the piston-side chamber; a second opening/closing valve which connects and disconnects the piston-side chamber and the tank; a suction passage which permits liquid to flow from the tank to the piston-side chamber; a flow regulation passage which permits liquid to flow from the piston-side chamber into the rod-side chamber; a pump which supplies liquid to the rod-side chamber; first and second discharge passages which connect the rod-side chamber to the tank; a first passive valve which is provided in the first discharge passage; a second passive valve which is provided in the second discharge passage; and a third opening/closing valve which opens and closes the first discharge passage.
F15B 15/18 - Combined units comprising both motor and pump
B61F 5/24 - Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
F15B 11/00 - Servomotor systems without provision for follow-up action
F15B 11/028 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member for controlling the actuating force
This construction machine is provided with an actuator driven by working fluid, and is characterized by being provided with: a state-value detection unit for detecting a state value indicating an operation state of the actuator; a mode determination unit which compares the state value with a determination-condition value to determine an operation mode; and a condition-value setting unit which changes the determination-condition value on the basis of a comparison result from the mode determination unit. The construction machine is further characterized in that the condition-value setting unit sets the determination-condition value such that, if the state value is lower than the determination-condition value, the determination-condition value is increased, and, if the state value is higher than the determination-condition value, the determination-condition value is decreased.
A seal member provided with: an annular fitting section which is fitted to the inner periphery of a cylinder member; and an annular dust lip which extends from the fitting section in the direction opposite the cylinder member while the diameter of the inner periphery of the dust lip is gradually reduced, and which is in sliding contact, at the front end thereof, with the outer peripheral surface of a shaft member. A metal insert has: an annular reinforcement ring which rises along the inner periphery of the cylinder member; and a reinforcement extension section which extends from the reinforcement ring in the direction opposite the cylinder member, and which has a front end which is inclined so as to approach the shaft member. The reinforcement ring is disposed in the fitting section, and the reinforcement extension section is disposed in the dust lip.
An output signal from a torque sensor includes a first output signal used for assist control, and a second output signal used for control other than the assist control. An adjustment device for an electric power steering device is provided with: an input torque measuring instrument for measuring input torque applied to an input shaft; an output torque measuring instrument for measuring output torque outputted by a steering mechanism; and a sensor output corrector for correcting the output signal from the torque sensor. The sensor output corrector corrects the first output signal such that the relationship between the input torque measured by the input torque measuring instrument and the output torque measured by the output torque measuring instrument becomes a predetermined ideal characteristic, and corrects the second output signal such that input torque detected by the torque sensor matches the input torque measured by the input torque measuring instrument.
G01L 25/00 - Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
B62D 6/00 - Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
A vane pump equipped with: a rotor; slits formed at the outer periphery of the rotor; vanes mounted in the slits; a cam ring having an inner circumferential cam surface with which the tips of the vanes make sliding contact; pump chambers formed between and defined by the rotor, the cam ring, and adjacent vanes; a side member having a sliding surface with which the side surface of the rotor makes sliding contact; discharge ports that are formed so as to open in the side member and that guide a working fluid discharged from the pump chambers; and notches provided in the side member and extending from the openings of the discharge ports toward the rear in the direction of rotation of the rotor. The notches are formed on the outside of protruding parts of the rotor in the radial direction.
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
A variable capacity vane pump equipped with a rotor, vanes, pump chambers, a suction port, and a discharge port. A side member has a first transition section, which is the section from the end of the suction port to the beginning of the discharge port, and a second transition section, which is the section from the end of the discharge port to the beginning of the suction port. The angle from the beginning to the end of the suction port is set such that the high-pressurization timing, wherein a pump chamber begins to be connected from the first transition section to the beginning of the discharge port, and the low-pressurization timing, wherein another pump chamber begins to be connected from the second transition section to the beginning of the suction port, are shifted with respect to each other.
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
A shock absorber which is mounted on a vehicle is provided with: a metallic inner portion which has a first upper end and a first lower end; and an outer portion which consists of a composite material and which is formed integrally with the inner portion. The outer portion includes: either a second upper end over which the first upper end of the inner portion is folded and/or a second lower end over which the first lower end of the inner portion is folded; and an intermediate portion which has a seat for supporting a suspension spring.
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
B62K 25/06 - Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms
76.
DAMPING DEVICE WITH A HYBRID STRUT, FOR A FRONT AXLE OF A VEHICLE
A damping device (D) is intended to form part of a front axle of a vehicle, and comprises a strut (JF) comprising an inner metal portion (PIJ) provided with a first upper end (ES1) and a first lower end, and an outer portion (PEJ) overmoulded over the inner portion (PIJ) except, at least, over the first upper end (ES1) of same, made from a composite material, and comprising a second upper end (ES2), over which the first upper end (ES1) is folded, an intermediate portion (PIT) comprising a cup (CB) defining a bearing surface for a suspension spring, and a second lower end (EI2), surrounding the first lower end (EI1) and comprising two substantially parallel wings (AF) that are capable of being rigidly connected to a wheel pivot of the front axle.
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
B60G 15/07 - Resilient suspensions characterised by arrangement, location, or type of combined spring and vibration- damper, e.g. telescopic type having mechanical spring and fluid damper the damper being connected to the stub axle and the spring being arranged around the damper
B60G 13/00 - Resilient suspensions characterised by arrangement, location, or type of vibration-dampers
This actuator unit is equipped with: a rod-side chamber and a piston-side chamber delimited by a piston inside a cylinder; a tank; a direction-control valve which makes it possible to selectively supply a working fluid discharged from a pump to the rod-side chamber and to the piston-side chamber; a first variable relief valve which is provided in a first control channel for connecting the rod-side chamber and the tank, allows the flow of the working fluid heading to the tank from the rod-side chamber by opening when the pressure from the rod-side chamber reaches a valve-opening pressure, and is capable of varying the valve-opening pressure; a second variable relief valve which is provided in a second control channel for connecting the piston-side chamber and the tank, allows the flow of the working fluid heading to the tank from the piston-side chamber by opening when the pressure from the piston-side chamber reaches a valve-opening pressure, and is capable of varying the valve-opening pressure; and a center channel for connecting the tank to the interior of the cylinder.
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
B61F 5/24 - Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
F15B 11/08 - Servomotor systems without provision for follow-up action with only one servomotor
F16F 15/02 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system
This actuator unit is equipped with: two chambers delimited by a piston inside a cylinder; a supply channel capable of supplying a working fluid discharged by a pump to the two chambers; a discharge channel capable of connecting the two chambers to a tank; a direction-control for selectively making supply of the two chambers possible in relation to the pump or tank, by connecting or blocking the supply channel and the discharge channel; a control channel for branching off from the supply channel on the pump-side thereof in relation to the direction-control valve, and connecting the pump and the tank; a variable relief valve which is provided in the control channel, allows the flow of the working fluid heading to the tank from the supply channel by opening when the pressure from the supply channel reaches a valve-opening pressure, and is capable of varying the valve-opening pressure; and a center channel for connecting the tank to the interior of the cylinder.
This solenoid valve is equipped with a valve seat provided partway along a main passage, a main valve body for opening and closing the main passage, a pilot passage branching off from the main passage, an orifice provided in the pilot passage, a back pressure chamber connected downstream of the orifice in the pilot passage and for impelling the main valve body in the direction for closing by means of internal pressure, a pilot valve disposed downstream of the connection point to the back pressure chamber on the pilot passage and for controlling the pressure within the back pressure chamber, a solenoid for regulating the valve opening pressure for the pilot valve, and a second orifice provided between the back pressure chamber and the pilot valve.
This solenoid valve is equipped with a main valve provided with a valve seat and a main valve body for opening and closing a main passage, a pilot passage branching out from the main passage, an orifice provided in the pilot passage, a back pressure chamber for impelling the main valve body in the direction for closing by means of internal pressure, a pilot valve for controlling the pressure within the back pressure chamber, and a solenoid for regulating the valve opening pressure for the pilot valve. A time difference is provided between the open valve period of the main valve and the open valve period of the pilot valve so that the open valve period of the main valve is later than the open valve period of the pilot valve.
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16F 9/34 - Special valve constructionsShape or construction of throttling passages
F16F 9/50 - Special means providing automatic damping adjustment
F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
F16K 17/06 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
F16K 47/02 - Means in valves for absorbing fluid energy for preventing water-hammer or noise
One surface of an annular piston (1) is provided with a seat surface (19) on which a leaf valve sits and a support section (20) which comprises a slope section (20a) and a flange section (20b), and the other surface of the annular piston (1) is provided with a leg section (10b) which has a recess (21a) provided at an end (21) thereof. When two such pistons (1) are stacked on each other in the axial direction, the seat surface (19) of one of the pistons (1) is received in the recess (21a) of the other piston (1), and the seat surface (19) of the one of the pistons (1) is protected.
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
A dashpot provided with the following: a valve disc that partitions the dashpot into two chambers; a channel that is formed in the valve disc and joins the two chambers; and a plurality of ring-shaped leaf valves that are stacked on the valve disc and occlude the exit from the channel so as to be able to open and close. The last leaf valve stacked on the valve disc is provided with a rib. One surface of said rib protrudes axially, and the other side of the rib is recessed.
A dashpot provided with the following: a valve disc that partitions the dashpot into two chambers; a channel that is formed in the valve disc and joins the two chambers; a window that is formed in the valve disc and connects to the channel; a valve seat that is formed in the valve disc and encircles the window; and a plurality of ring-shaped leaf valves stacked on the valve disc. The first leaf valve stacked on the valve disc is provided such that the outside edge thereof can be seated against and can separate from the valve seat, and said first leaf valve is provided with a rib in a position opposite the valve seat. Said rib protrudes away from the valve disc, and the valve-disc side of the rib is recessed.
This dashpot is provided with a main body (D), a cylindrical dust cover (3), an extended cover (4), and an affixing member (5). The main body (D), which has a cylindrical outer shell (1) and a piston rod (2) that can move in and out inside the outer shell (1), generates a damping force that inhibits the axial motion of the piston rod (2) relative to the outer shell (1). The dust cover (3) is attached to the piston rod (2) and allows the outer shell (1) to enter inside the dust cover (3). The extended cover (4), which takes the form of a band wrapped around the dust cover (3), extends from the dust cover (3) in the direction of the outer shell (1), and the outer shell (1) is inserted into the extended cover (4). The affixing member (5) keeps the extended cover (4) wrapped around the dust cover (3).
A damper is provided with: a communication path that causes an operating fluid chamber formed in a cylinder and a reservoir in which an operating fluid is stored to communicate with each other; a damping force generation mechanism that applies resistance to the operating fluid passing through the communication path; a low speed compression-side damping adjuster that changes damping force when the stroke speed during compression is in a low-speed region; a high speed compression-side damping adjuster that changes damping force when the stroke speed during compression is in a high-speed region where the speed is higher than in the low-speed region; and an extension-side damping adjuster that changes damping force during extension. The low speed compression-side damping adjuster, the high speed compression-side damping adjuster, and the extension-side damping adjuster are mounted on the tank side of the cylinder.
F16F 9/50 - Special means providing automatic damping adjustment
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
F16F 9/348 - Throttling passages in the form of annular discs operating in opposite directions
F16F 9/44 - Means on or in the damper for manual or non-automatic adjustmentSprings, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details such means combined with temperature correction
The present invention is provided with a switching valve that is activated in conjunction with a control valve by pilot pressure supplied through a pilot valve, the switching valve switching the action of an operation check valve, and the switching valve being provided with a pilot chamber to which pilot pressure is led, a spool that moves according to the pilot pressure of the pilot chamber, an urging member for urging the spool in a valve-closing direction, a collar detachably mounted to the pilot chamber, and a piston for receiving pilot pressure on the back surface and creating thrust in the spool against the urging force of the urging member, the piston being slideably inserted in the collar.
F16K 11/07 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with linearly sliding closure members with cylindrical slides
A pipe fastener for a hydraulic cylinder that: fixes a pipe supplying and discharging hydraulic fluid inside a cylinder tube to the cylinder tube; has a curved section along the outer circumference of the cylinder tube; and comprises two split bands that sandwich the cylinder tube by fixing both ends of the curved section to each other. One of the bands has an attachment section to which the pipe is attached and in which one section of the curved section is separated from the cylinder tube towards the outside in the radial direction.
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
F16B 2/08 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
F16L 3/24 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special member for attachment to profiled girders
A caliper brake device, provided with: a piston which advances and retracts according to the pressure in a pressure chamber of the main caliper body; a guide plate for supporting a brake shoe, the guide plate being attached to the piston; and a fastening member for fastening the piston and the guide plate. The fastening member has a tapered seat surface, and the piston and/or the guide plate has a tapered contact part for seating the seat surface of the fastening member.
F16D 65/18 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
B61H 5/00 - Applications or arrangements of brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
F16B 43/02 - Washers or equivalent devicesOther devices for supporting bolt-heads or nuts with special provisions for engaging surfaces which are not perpendicular to a bolt axis or do not surround the bolt
F16D 121/08 - Fluid pressure acting on a membrane-type actuator, e.g. for gas pressure
A shock absorber, provided with: a damping passage communicating between an extension-side chamber and a pressure-side chamber in a cylinder; a housing forming a pressure chamber; a free piston segregating the pressure chamber into an extension-side pressure chamber and a pressure-side pressure chamber; an extension-side passage communicating between the extension-side chamber and the extension-side pressure chamber; a pressure-side passage communicating between the pressure-side chamber and the pressure-side pressure chamber; a spring element for inhibiting displacement of the free piston; a cushion which, when the free piston is displaced, collides with the free piston and inhibits further displacement of the free piston; and a cushion-fixing member for holding the cushion.
F16F 9/34 - Special valve constructionsShape or construction of throttling passages
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
F16F 9/50 - Special means providing automatic damping adjustment
Provided is a power steering device for supplementing the steering force a driver applies to a steering wheel. The power steering device is provided with the following: a worm shaft that rotates in conjunction with the driving of an electric motor; a worm wheel that engages with the worm shaft and is for transmitting the rotational force of the electric motor to a rack shaft; a bearing for rotationally supporting the distal end of the worm shaft; a gear case for accommodating the worm shaft; a lid for sealing an opening formed on the distal end part of the gear case; a first elastic member that is disposed compressed between the gear case and the lid; and a second elastic member disposed between the inner peripheral surface of the gear case and the outer peripheral surface of the bearing. The first elastic member and the second elastic member are integrally formed with a thin part interposed therebetween.
F16H 1/16 - Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
A shock absorber is provided with a cylinder, a piston, a piston rod, a damping passage, a bypass passage, a shutter, a pressing member, and a control spring which has one end affixed to the cylinder and the other end facing the shutter. When the piston is displaced relative to the cylinder to the compression chamber side beyond a predetermined position, the shutter is pressed by the control spring and closes the bypass passage. The control spring is a conical coil spring having a small diameter at the other end. A guide ring which is in sliding contact with the inner periphery of the cylinder is mounted to the small diameter-side end of the control spring.
A control valve is provided with a poppet valve (61) which moves in the axial direction relative to a seat hole (21) and changes the cross-sectional area of the flow passage of the seat hole (21). The control valve is also provided with a spring disc (40) which presses the poppet valve (61) against a return spring (12) in the direction in which the poppet valve (61) opens. The spring disc (40) is provided with: a secondary pressure receiving surface (48) which is a portion moving in association with the movement of the poppet valve (61) and which is subjected to a secondary pressure conducted to a secondary port (77); and a pilot pressure receiving surface (49) which is subjected to a pilot pressure which is a reference pressure. The spring disc (40) elastically deforms according to the pressure difference between the secondary pressure and the pilot pressure and moves the poppet valve (61) in the axial direction.
G05D 16/06 - Control of fluid pressure without auxiliary power the sensing element being a flexible member yielding to pressure, e.g. diaphragm, bellows, capsule
A vehicle height adjustment device is provided with: an annular movable spring receiver which is in sliding contact with a guide surface formed on the outer periphery of the outer cylinder of a shock absorber and which supports one end of a suspension spring for pressing the shock absorber in the direction of extension thereof; a drive mechanism which drives the movable spring receiver in the axial direction of the shock absorber; an auxiliary spring which presses the movable spring receiver to the suspension spring side; and a dust cover which covers the portion of the guide surface with which the movable spring receiver is in sliding contact. The dust cover is held on the outer cylinder by the spring force of the auxiliary spring.
F16F 9/46 - Means on or in the damper for manual or non-automatic adjustmentSprings, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details such means combined with temperature correction allowing control from a distance
B62K 25/04 - Axle suspensions for mounting axles resiliently on cycle frame or fork
B62K 25/08 - Axle suspensions for mounting axles resiliently on cycle frame or fork with telescopic fork, e.g. including auxiliary rocking arms for front wheel
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
A vehicle height adjustment device is provided with: an annular movable spring receiver which is mounted to the outer periphery of the outer cylinder of a shock absorber and which supports one end of a suspension spring which presses the shock absorber in the direction in which the shock absorber extends; a drive mechanism which drives the movable spring receiver in the axial direction of the shock absorber; an auxiliary spring which presses the movable spring receiver toward the suspension spring; and a stopper member which is mounted to the outer periphery of the outer cylinder of the shock absorber and which restricts the movement of the movable spring receiver toward the suspension spring.
F16F 9/46 - Means on or in the damper for manual or non-automatic adjustmentSprings, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details such means combined with temperature correction allowing control from a distance
B60G 15/06 - Resilient suspensions characterised by arrangement, location, or type of combined spring and vibration- damper, e.g. telescopic type having mechanical spring and fluid damper
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
This piston is equipped with a disc formed into a ring, a cylindrical skirt section projecting in the axial direction of the disc from the outer-circumferential section of one side of the disc, and a channel opening to the inside of the skirt section and formed in the disc. The inner-circumferential surface of the skirt section is an angled surface which increases in diameter toward the opposite side from the disc.
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
The control system is provided with: a pressure detector for detecting the swing pressure or braking pressure of a swing motor; a swing regeneration switching valve that opens when the pressure detected by the pressure detector reaches a swing regeneration starting pressure, conducting the working fluid from a swing circuit to a regenerative motor to perform swing regeneration; an operating state detector for detecting the operating state of a fluid pressure cylinder; and a cylinder regeneration switching valve that opens on the basis of the detection results of the operating state detector and conducts the working fluid from the fluid pressure cylinder to the regenerative motor to perform cylinder regeneration. When performing only swing regeneration, the working fluid from the swing circuit is conducted to the regenerative motor without pressure being reduced. When swing regeneration and cylinder regeneration are performed simultaneously, the pressure of the working fluid from the swing circuit is reduced and merged with the working fluid from the fluid pressure cylinder and conducted to the regenerative motor.
F15B 11/02 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member
F15B 11/04 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member for controlling the speed
F15B 11/08 - Servomotor systems without provision for follow-up action with only one servomotor
F15B 11/17 - Servomotor systems without provision for follow-up action with two or more servomotors using two or more pumps
The present invention is provided with a plurality of spools incorporated into a valve body, a cap provided to the valve body, pilot chambers corresponding to the spools and provided in the cap, a maximum-pressure introduction passage for conducting the maximum pressure of each pilot chamber, a communicating channel for communicating the maximum-pressure introduction passage and the pilot chambers, and a selection valve provided to the communicating channel. The maximum pressure of each pilot chamber is selected by the selection valve and conducted to the maximum-pressure introduction passage. The maximum-pressure introduction passage is provided in the cap on the reverse side of the pilot chambers from the side thereof on which the valve body is provided.
A fluid pressure control device for a power shovel, comprising: a first switching valve that connects or disconnects a first pump and a first cylinder; a second switching valve that connects or disconnects a second pump and a second cylinder; a third pump capable of supplying hydraulic fluid to the first cylinder and the second cylinder; a first confluence control valve that connects or disconnects the third pump and the first cylinder or second cylinder; and a connection control valve that, when the second pump and the second cylinder are connected by the second switching valve regardless of whether or not the first pump and the first cylinder are connected by the first switching valve, disconnects the third pump and the first cylinder and guides hydraulic fluid discharged by the third pump to the second cylinder, by controlling the first confluence control valve.
A fluid pressure control device for a power shovel, comprising: first, second, and third pumps; a first switching valve connected to the first pump; a second switching valve connected to the second pump; a first confluence control valve connected to the third pump; and a second confluence control valve provided downstream from the first confluence control valve. The first confluence control valve is switched by the pilot pressure of the first switching valve or the second switching valve, and connects to the downstream side of the third pump. The second confluence control valve is switched by the pilot pressure of the second switching valve, and disconnects the connection between the third pump and the first switching valve.
In a cylinder control device provided with a control valve for controlling the flow of operating fluid between a cylinder and a pump, the control valve is provided with: a spool furnished inside a body section; a sleeve disposed in opposition to both ends of the spool inside the body section, and having a communicating port communicating with a valve chamber, a communicating passage communicating with a cylinder chamber, and a throttle passage communicating port communicating with the cylinder chamber; a valve body furnished inside the sleeve, for controlling the state of communication between the communicating port, and the communicating passage and the throttle passage, according to a slide position; and an energizing member for energizing the valve body towards the open direction.
F15B 11/08 - Servomotor systems without provision for follow-up action with only one servomotor
F15B 11/04 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member for controlling the speed
F15B 15/18 - Combined units comprising both motor and pump
