Keyang Electric Machinery Co., Ltd. (Republic of Korea)
Inventor
Kim, Jae Wook
Lee, Sang Soo
Lim, Deok Soo
Lim, Hyun Wook
Lee, Sang Ho
Lee, Sang Hark
Lee, Hak Cheol
Kim, Deok Ki
Choi, Byeong Deok
Kim, Hoe Cheon
Mun, Hwa Young
Lee, Seung Yeop
Yoon, Cheol Hwan
Lee, Jung Bin
Kang, Byung Ju
Abstract
A dual release actuator for a vehicle seat includes a motor, a cable carrier configured to receive power of the motor, thereby rotating to selectively pull one of two different cables, a Hall sensor to sense rotation of the motor, and a controller configured to count a sensing pulse of the Hall sensor for controlling rotation of the motor.
B60N 2/02 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
B60N 2/22 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Jang, Soo Gil
Lee, Ho Gun
Gee, Young Ho
Abstract
The present disclosure relates to a motor with bidirectional terminals. According to the present disclosure, as the brush terminals are installed on both the left and right sides of the upper surface of the brush card assembly, it is possible to prevent the assembly defects of the motor due to the erroneous assembly of the brush terminals.
H02K 27/22 - AC commutator motors or generators having mechanical commutator having means for improving commutation, e.g. auxiliary fields, double windings, double brushes
H01R 39/26 - Solid sliding contacts, e.g. carbon brush
Keyang Electric Machinery Co., Ltd. (Republic of Korea)
Inventor
Kim, Duck Young
Cho, Jae Man
Kang, Byung Ju
Lee, Seung Yup
Hong, Kwang Hun
Abstract
An embodiment vehicle hinge driving apparatus includes an actuator, a housing connected to the actuator, an output shaft having an axis aligned with an axis of the housing, a transmission mechanism configured to transmit a torque from the actuator to the output shaft, and a brake unit configured to provide a brake torque to the output shaft.
E05F 15/624 - Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using friction wheels
E05F 5/02 - Braking devices, e.g. checksStopsBuffers specially for preventing the slamming of wings
E05F 15/614 - Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by meshing gear wheels, one of which being mounted at the wing pivot axisPower-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by a motor acting directly on the wing pivot axis
Keyang Electric Machinery Co., Ltd. (Republic of Korea)
Inventor
Kim, Duck Young
Cho, Jae Man
Kang, Byung Ju
Lee, Seung Yup
Hong, Kwang Hun
Abstract
An embodiment vehicle hinge driving apparatus for driving a vehicle hinge mounted between a door component and a vehicle body includes an actuator, a housing connected to the actuator, an output shaft having an axis aligned with an axis of the housing, and a transmission mechanism configured to vary a torque generated by the actuator and to transmit the torque to the output shaft.
E05F 15/614 - Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by meshing gear wheels, one of which being mounted at the wing pivot axisPower-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by a motor acting directly on the wing pivot axis
5.
Terminal connection structure of electric actuator
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Kim, Seongsoo
Shin, Sung Su
Yun, Seung-Tae
Abstract
Proposed is a terminal coupling structure of an electric actuator in which a press rib is installed on the end of a contact plate such that a contact protrusion and a motor assembly terminal are more securely in contact with each other.
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Kim, Hoecheon
Kim, Youngcheol
Lee, Gun Ho
Abstract
An electric motor including a tension member is proposed. The electric motor includes the tension member installed therein and composed of step parts stacked in multiple steps, so that structural strength and structural robustness are improved.
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Lee, Seong Oh
Jang, Su Gil
Hwang, Seung Wook
Go, Bong Guk
Abstract
Proposed is an electronic parking brake actuator assembly including: a main housing constituted by a motor mounting part and a gear mounting part integrated with each other; a motor part assembled with the motor mounting part of the main housing; a gear part assembled with the gear mounting part of the main housing and rotated in engagement with the motor part by a rotational force of the motor part; and a cover assembled with the main housing and shielding the motor part and the gear part, wherein a brush card assembly is assembled directly with the motor mounting part, a terminal constituting the brush card assembly being insert-injected into the motor mounting part.
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 65/16 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position arranged in or on the brake
F16H 57/039 - Gearboxes for accommodating worm gears
H02K 5/14 - Means for supporting or protecting brushes or brush holders
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 11/01 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Kim, Seong Soo
Yun, Seung Tae
Lee, Jin Seok
Abstract
A motor unit for a sunroof is proposed. The motor unit may include a lower housing, an upper housing, a bush, a worm wheel, a drive shaft, a pinion gear, the washer, and a bottom cover. Particularly, contact between the drive shaft and the bottom cover may be prevented, and the worm wheel may be configured to be in contact with the washer and he bush. Accordingly, different kinds of noise may be prevented from being generated according to opening and closing directions of the sunroof.
H02K 7/11 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with dynamo-electric clutches
B60J 7/05 - Non-fixed roofsRoofs with movable panels of sliding type with rigid plate-like element or elements pivoting upwardly to vent mode and moving downward before sliding to fully open mode
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Lawnmowers [machines]; gas welding machines; arc welding
apparatus; grinders; welding machines, electric;
power-operated screwdrivers; electrical drills; electric
hammers; electric hand drills; cutters [machines]; drilling
bits [parts of machines]; tack drivers; agricultural
machines; saws [machines]; electric planes; chain saws; saw
blades [parts of machines]; motive power machines (other
than for land vehicles); gasoline engines (other than for
vehicles); compressors [machines]; blowing machines; water
pumps; vacuum cleaners for industrial purposes; current
generators.
10.
Electric actuator assembly with a brush card assembly
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Kim, Seong Soo
Yun, Seung Tae
Lee, Jin Seok
Abstract
An electric actuator assembly is proposed. The electric actuator assembly includes: a brush card assembly provided with a brush card part in which a plurality of terminals is molded through insert injection molding; a motor assembly coupled to the brush card assembly and electrically connected thereto; a housing provided with a coupling part into which the brush card assembly is inserted, having a circuit board provided with a connector, and having a gear assembly for receiving power from the motor assembly and transmitting the power to outside, the circuit board and the gear assembly being installed in the housing, wherein terminal holes through which the plurality of terminals passes and a coupling hole into which a part of the brush card part is inserted are separately provided in the coupling part.
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Jang, Su Gil
Lee, Ho Gun
Park, Jang Soo
Lee, Sang Hun
Abstract
An electric parking brake actuator assembly is proposed. The electric parking brake actuator assembly includes: an outer housing including an inner space in which a gear installation space and a motor installation space are formed; an inner housing installed in the inner space of the outer housing, and including a brush card part and a gear installation part integrated together; a motor assembly coupled to the brush card part to be electrically connected thereto, and installed in the motor installation space; a gear assembly installed at the gear installation part and at the gear installation space, and changing and transmitting the rotational speed of the motor assembly; and a cover housing coupled to the outer housing with the inner housing interposed therebetween, and including a shaft insertion portion.
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
B60T 7/02 - Brake-action initiating means for personal initiation
F16D 65/14 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position
F16H 1/28 - Toothed gearings for conveying rotary motion with gears having orbital motion
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Kim, Hoe Cheon
Kim, Young Cheol
Abstract
An elastic bush and an electric motor using the elastic bush are proposed. The elastic bush includes a bush body having in a central portion thereof a coupling hole into which a rotating shaft is inserted, a circular separation plate spaced apart from an end of the bush body in an extending direction of the rotating shaft and coming into close contact with a neighboring associated component, and a plurality of connecting legs each connected at both ends thereof to the bush body and the separation plate, and elastically deformed to vary a relative distance between the bush body and the separation plate. An entire length of the elastic bush is varied through elastic deformation. Therefore, a gap between two components located on both sides of the elastic bush, such as a front bush and an armature assembly, may be more effectively reduced.
H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Jang, Su Gil
Lee, Seong Oh
Park, Jang Soo
Abstract
Provided is an actuator having a double-gear structure for an electromechanical parking brake. The actuator includes: a main housing having a motor seat and a gear seat; a motor assembly disposed in the motor seat and providing torque; and a gear assembly rotated by the torque from the motor assembly and performing a reduction function through a plurality of gears.
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
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
F16H 3/58 - Gearings having only two central gears, connected by orbital gears with sets of orbital gears, each consisting of two or more intermeshing orbital gears
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Jang, Su Gil
Park, Jang Soo
Kim, Min Kyu
Abstract
Provided is an actuator assembly with an integrated housing for an electromechanical parking brake. The actuator assembly includes: a main housing having an integrated motor seat and an integrated gear set; a motor assembly disposed in the motor seat and providing torque; a gear assembly rotated by the torque from the motor assembly and performing a reduction function through a plurality of gears; a stator part constituting the motor assembly and at least partially formed on the inner side of the motor seat by insert injection molding; and a ring gear integrally formed with the gear seat or formed by insert injection molding and operating the gear assembly. The stator part of the motor assembly and the ring gear of the gear assembly are integrally formed with the main housing in the actuator assembly.
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
H02K 7/102 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
H02K 21/28 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with rotating armatures and stationary magnets with armatures rotating within the magnets
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Jang, Su Gil
Lee, Ho Gun
Park, Jang Soo
Abstract
An actuator for an electromechanical parking brake having a housing with a brush card assembly is provided, which includes: a main housing having a motor seat and a gear seat; a motor assembly disposed in the motor seat and providing torque; a gear assembly rotated by torque from the motor assembly and performing a reduction function through a plurality of gears; and an inner housing. The inner housing is combined with the main housing and fixes the gear assembly, and integrally has a ring gear operating in mesh with a planetary gear seat of the gear assembly and a brush card electrically connected to the motor assembly. A ring gear operating with the planetary gear set and a brush card electrically connected to the motor assembly are integrally formed at the inner housing.
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
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
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Lee, Seong Oh
Jang, Su Gil
Go, Bong Guk
Hwang, Seung Wook
Abstract
The present invention relates to an electronic parking brake actuator assembly. The present invention comprises: a main housing (30) which is integrally made up of a motor mounting part (31) and a gear mounting part (40); a motor unit (20) which is assembled to the motor mounting part (31) of the main housing (30); a gear unit (70) which is assembled to the gear mounting part (40) of the main housing (30) and rotates by being engaged by a rotational force of the motor unit (20); and a cover which is assembled to the main housing (30) to shield the motor unit (20) and the gear unit (70), wherein, while a brush card assembly (50) is directly assembled to the motor mounting part (31), a terminal (56) configuring the brush card assembly (50) is provided to the motor mounting part (31) by insert-injection molding. In the present invention, the motor unit (20) and the gear unit (70) are not pre-assembled but are directly assembled to the main housing (30). This is possible because a structure for assembly of the motor unit (20) and the gear unit (70) is made in the main housing (30), and as such the number of components and assembly time of an actuator are reduced, and consequently, manufacturing costs of the actuator are reduced.
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
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 65/56 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
KEYANG ELECTRIC MACHINERY CO., LTD (Republic of Korea)
Inventor
Oh, Sung Sub
Lee, Jong Jin
Kim, Jun Young
Abstract
Provided is an electric tool which carries out various kinds of electric work, such as fastening nuts, by using the shaft torque of an embedded electric motor and recognizes a particular worker, the electric tool comprising: a worker recognition module which extracts information on a worker and, if the information confirms that the worker matches a pre-registered worker, generates a verification signal; a locking module which unlocks the electric tool if the verification signal has been received, and maintains the locked state of the electric tool if the verification signal has not been received; and a worker environment loading unit which identifies the worker verified through the worker recognition module and loads each individual tool configuration value.
KEYANG ELECTRIC MACHINERY CO., LTD (Republic of Korea)
Inventor
Oh, Sung Sub
Lee, Jong Jin
Abstract
Provided is a tool assembly for an electric power tool, comprising: a housing; an electric motor disposed in the rear of the housing; a first planetary gear unit meshing with a motor output end of the electric motor; a hammer part coupled to the first planetary gear unit so as to be rotated thereby; an anvil part having an anvil blade formed at one end thereof and in contact with the hammer part and having second sun gear teeth formed on the outer circumferential surface of the other side thereof; a second planetary gear unit including at least one second planetary gear engaged with the second sun gear teeth and a second ring gear engaged with the second planetary gear; and a torque transducer having one end fixed to the housing and the other end coupled to the second ring gear.
B25D 11/04 - Portable percussive tools with electromotor drive in which the tool bit or anvil is hit by an impulse member
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
KEYANG ELECTRIC MACHINERY CO., LTD (Republic of Korea)
Inventor
Oh, Sung Sub
Lee, Jong Jin
Kim, Jun Young
Abstract
Provided is a method for controlling an electrically driven tool having an electric motor disposed therein and fastening nuts by controlling the current supplied to the electric motor, the electrically driven tool controlling method comprising: step 1 for determining, at the time of seating a nut, whether or not the rotation speed of the electric motor reaches a preset speed Vt; step 2-1 for, if the speed Vt is not reached, suspending the supply of current, fastening the nut solely by the rotational inertia force of the electric motor and, at the same time, detecting measured torques according to time, and thereby calculating a first torque rate; and step 3 for, after the rotation speed of the electric motor becomes zero, consecutively providing an impact torque and variably controlling the measured torques with respect to each impact torque according to the first torque rate.
B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
B23P 19/06 - Screw or nut setting or loosening machines
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H02P 29/00 - Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
KEYANG ELECTRIC MACHINERY CO., LTD (Republic of Korea)
Inventor
Oh, Sung Sub
Lee, Jong Jin
Kim, Jun Young
Abstract
Provided is a method for controlling an electrically driven tool having an electric motor disposed therein and fastening nuts by controlling the current supplied to the electric motor, the electrically driven tool controlling method comprising: step 1 for determining, at the time of seating a nut, whether or not the rotation speed of the electric motor reaches a preset speed Vt; step 2-1 for, if the speed Vt is not reached, suspending the supply of current, fastening the nut solely by the rotational inertia force of the electric motor and, at the same time, detecting measured torques according to time, and thereby calculating a first torque rate; step 3-1 for consecutively providing an impact torque after the rotation speed of the electric motor becomes zero; and step 4 for compensating/controlling the next supplied pulse current if the maximum value of the measured torques with respect to the impact torques is greater than or equal to a value obtained by multiplying a target torque by a preset predetermined percentage.
B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
B23P 19/06 - Screw or nut setting or loosening machines
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H02P 29/00 - Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
KEYANG ELECTRIC MACHINERY CO., LTD (Republic of Korea)
Inventor
Oh, Sung Sub
Lee, Jong Jin
Abstract
Provided is a method of controlling an electric power tool which has an electric motor disposed therein and tightens a nut by controlling electric current supplied to the electric motor, the method comprising: a step of seating the nut; a step of determining whether a rotational speed of the electric motor reaches a predetermined speed Vt at the time of seating; a 1-1st control step of gradually decelerating the speed Vt by supplying a brake current to the electric motor when the speed Vt is reached in the determining step; and a second control step of, when the speed Vt is not reached, intermittently supplying a square wave current whose magnitude gradually increases, after stopping the supply of the current to reduce the rotational speed to zero.
B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
H02P 29/00 - Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
KEYANG ELECTRIC MACHINERY CO., LTD (Republic of Korea)
Inventor
Jang, Soo-Gil
Lee, Seong-Oh
Abstract
The present invention relates to an actuator assembly for an electronic parking brake having a multi-stage planetary gear mechanism. The present invention can provide an actuator assembly for an electronic parking brake, the multi-stage planetary gear mechanism comprising a center pin extending through through-holes of an entire planetary gear mechanism; a housing for supporting one end of the center pin; a plurality of a planetary gear carriers spaced apart from each other on the axial direction of the center pin and each including a through-hole; a plurality of planetary gears inserted into a planetary gear shaft disposed radially around the through-hole on one side of the planetary gear carrier; and a sun gear of the planetary gear mechanism which is engaged with the planetary gear of the next stage on the opposite side of one surface of the planetary gear carrier on which the plurality of planetary gears are disposed so that the planetary gear carrier can rotate, wherein the diameter of the through-hole is larger than the diameter of the center pin.
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16H 1/28 - Toothed gearings for conveying rotary motion with gears having orbital motion
KEYANG ELECTRIC MACHINERY CO., LTD (Republic of Korea)
Inventor
Oh, Sung Sub
Lee, Jong Jin
Abstract
Provided is an electric tool control method for tightening a nut by providing intermittent pulse torque after the nut is seated, wherein an electric motor is used as a means for providing the pulse torque, and the method comprises the steps of: setting a plurality of pulse torques in consideration of a final target torque; supplying, to the electric motor, pulse currents corresponding to the pulse torque so as to sequentially provide the pulse torque; detecting a measured torque applied to the nut by using a torque sensor; and calculating an error by comparing the detected measured torque and the set pulse torque, wherein, in the supplying step, initial values of the respective pulse currents correspond to final values of immediately previously supplied pulse currents, and the final values can change through the reflection of the error.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
H02P 27/08 - 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 with pulse width modulation
KEYANG ELECTRIC MACHINERY CO., LTD (Republic of Korea)
Inventor
Oh, Sung Sub
Lee, Jong Jin
Abstract
Provided is a control method for a power tool which provides torque to seat a nut, the method comprising the steps of: detecting measured torque applied to the nut using a torque sensor; comparing the measured torque to a reference torque indicating the nut is seated; if the measured torque exceeds the reference torque, analyzing the variance of the measured torque and concluding as one of operation failure or seating completion; if determined to be an operation failure in the determining step, initializing a pulse parameter of the power tool; and, if determined to be seating completion in the determining step, generating a pulse torque to apply force on the nut.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
H02P 6/08 - Arrangements for controlling the speed or torque of a single motor
25.
MOTOR UNIT, PUMP UNIT, AND ELECTRICALLY-POWERED OIL PUMP
KEYANG ELECTRIC MACHINERY CO., LTD (Republic of Korea)
Inventor
Yi, Ho-Sic
Lee, Jong-Su
Jang, Woo-Kyo
Kim, Jung-Chul
Park, Yong-Bok
Lee, Kwang-Ho
Abstract
A motor unit (100) of the present invention is provided with a stator (120) and a rotor (130) in the inside of a motor housing (110), a shaft (140) being protruded toward a front part (111) of the motor housing (110), the motor housing (110) comprising a front bearing (191) which is positioned on the front part (111) side of the motor housing (100) and supports the shaft (140), and a rear bearing (192) which supports the shaft (140) on the rear part of the motor housing (110), characterized in that the front part (111) of the motor housing (110) comprises an external surface (111-1) and an inner surface (111-2) and is provided with a shaft through-hole (113) through which the shaft (140) passes, the external surface (111-1) of the front part (111) of the motor housing (110) being formed to close a rotor chamber (211) of a pump unit (200) to be coupled and being provided with an inlet port (170) and an outlet port (180), the shaft through-hole (113) being provided with an exhaust path (160) through which oil can be exhausted to the outside of the inlet port (170) or the motor housing (110).
KEYAND ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Jang, Woo Kyo
Kim, Chang Hwa
Lee, Nam Hun
Lee, Seong Oh
Abstract
An actuator assembly for an electromechanical parking brake greatly reduces vibration and noise of the actuator so that a high-quality vehicle may be realized by removing one of factors causing vibration and noise in the vehicle and greatly improves the easiness of assembly and handling together with attenuating vibration and noise by maximizing the excellent vibration and noise attenuating function by means of modularization which allows the actuator assembly to be handled as a single element.
F16D 65/14 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position
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
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
F16D 121/04 - Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
F16D 125/48 - Rotating members in mutual engagement with parallel stationary axes, e.g. spur gears
F16D 125/50 - Rotating members in mutual engagement with parallel non-stationary axes, e.g. planetary gearing
KEYANG ELECTRIC MACHINERY CO., LTD (Republic of Korea)
Inventor
Jang, Woo Kyo
Kim, Chang Hwa
Lee, Nam Hun
Lee, Seong Oh
Abstract
The present invention relates to an actuator assembly for implementing the action of an electronic parking brake, and more specifically relates to an electronic parking brake actuator assembly adapted to allow higher quality automobiles to be achieved by dramatically reducing actuator vibration and noise and thereby eliminating one cause behind the occurrence of vibration and noise in automobiles. Also, the present invention uses modularisation, of a type allowing the actuator assembly to be handled as a single element, in order to maximise the outstanding vibration and noise attenuation function as above, and thus can provide an electronic parking brake actuator assembly able to also improve convenience of assembly and handling together with the attenuation in vibration and noise.
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
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
B60T 7/08 - Brake-action initiating means for personal initiation hand-actuated
F16H 1/28 - Toothed gearings for conveying rotary motion with gears having orbital motion
KEYANG ELECTRIC MACHINERY CO., LTD (Republic of Korea)
Inventor
Kim, Byung Jo
Lee, Jong Jin
Chun, Hyung Hwan
Lee, Sang Hong
Abstract
The present invention relates to a gear box for an electric tool and, more specifically, to a coupling structure of an external housing for fixing a ring gear in a gear box to which a planetary gear connected with a motor of an electric tool is applied. To this end, the housing structure of the gear box, according to the present invention, is a gear box for an electric tool, comprising: a cylindrical housing body (100) having a housing body opening (110) provided at one end thereof; a housing cap (200) coupled with the housing body opening (110); and a ring gear (300) which is an internal gear coupled with the housing cap (200) so as to be fixed to the inside of the housing body (100), wherein a plurality of grooves (310) are formed on a lateral surface of an outer circumference of the ring gear (300) and a plurality of protrusions (220) coupled with the grooves (310) are formed on a lateral surface of an inner circumference of the housing cap (200).
PYEONG HWA AUTOMOTIVE CO., LTD (Republic of Korea)
KEYANG ELECTRIC MACHINERY CO., LTD. (Republic of Korea)
Inventor
Kim, Taewon
Kim, Yeonho
Lee, Hee Ra
Kim, Baekyu
Choi, Junglyung
Kang, Myung-Kweon
Jang, Wookyo
So, Yoon-Sub
Jang, Jinho
Lee, Namhun
Hur, Man-Dae
Moon, Hongcheol
Kim, Chang-Hwa
Abstract
A clutch actuator unit is provided that includes a housing having a mounting space and a penetration aperture for receiving an operating rod. A slide pad and slider are disposed along an inner side surface of the mounting space, and are configured to move back and forth within the housing. An operating rod that is connected to the slider through the penetration aperture is moved back and forth, along with the slider and slide pad, through the aperture via a drive portion. A stopper is also integrally formed along the front surface of the slide pad to limit the movement of the slider accordingly. In doing so, the disclosed actuator is able to dynamically locate certain stroke positions and provide an improved shifting operation.
(1) Machines, namely lawnmowers; gas welding machines; arc welding machines; stone grinders, metal grinders; electric welding machines; hammer drivers, nut drivers, bushing drivers; electrical drill presses; electric hammers; electric hand drills; cutting machines for metalworking, wood cutting machines; parts of machines, namely drilling bits; hammer drivers, nut drivers, bushing drivers'; power operated cultivators, harvest drying machines, rice grain sorting machines; band saw; chain saw; circular saw; electric plane tools for carpentry; chain saws; parts of machines, namely saw blades; internal combustion engines for power generation, other than for land vehicles; gasoline engine motors other than for vehicles; compressors for industrial machinery; ventilators and blowers for motors and engines; water pumps; vacuum cleaners for industrial purposes; current generators.