A device for deployment and actuation of a control surface for a maneuverable object, including an actuation shaft arranged for rotation about a longitudinal axis of the device; an output gear arranged concentric with the actuation shaft and configured to unlock the control surface when rotated about the longitudinal axis; and a pin integral with, or attached to, the actuation shaft and protruding through an opening in the output gear, wherein the output gear is operable to rotate about the longitudinal axis independent of the actuation shaft when the pin is in a circumferentially extending portion of the opening, and the output gear and actuation shaft are operable to rotate together about the longitudinal axis when the pin is in a longitudinally extending portion of the opening.
Direct current motors; direct current brushless motors; direct current brushless motors for use with electromechanical actuators and control actuation systems
A system for detecting current through a secondary winding of a switching voltage regulator without directly sensing the current through the secondary winding of the switching voltage regulator, the system including a diode; an inductor connected in series with the diode to form a current detection path, wherein the current detection path is connected in parallel with the secondary winding; a switching element connected in series with the current detection path and the secondary winding; and a controller operable to sense a voltage drop between a first terminal of the switching element and a second terminal of the diode, the voltage drop being indicative of the current through the secondary winding.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
A system and method for snubbing transformer leakage energy in a power supply having a transformer and a main switch, in which leakage energy is stored in a capacitor as stored leakage energy when the main switch is turned off, and the stored leakage energy is transferred to the transformer through an inductor when the main switch is turned on.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
A latching assembly for a solenoid operated valve includes a solenoid assembly including a core defining a bore extending along an axis, and a coil mounted to the core and disposed about the axis. The solenoid operated valve further includes an armature assembly including an armature stud disposed at least partially within the bore and extending along the axis, an armature disc disposed radially about a portion of the armature stud and defining at least one window, and at least one stationary magnet respectively disposed within the at least one window.
A solenoid operated valve includes a valve block defining a valve lumen, a poppet slidably disposed within the valve lumen, a solenoid including an annular winding with an internal surface defining a winding lumen and an external surface, and a core including a central core portion disposed within the winding lumen and an annular core portion disposed outside the external surface of the winding, and an armature including a central armature portion disposed within the winding lumen and an annular armature portion disposed outside the external surface of the winding, wherein the armature is in communication with the poppet so that movement of one is translated into movement of the other. Solenoids for such valves are provided. Also provided are methods of assembling solenoid valves.
An actuation mechanism used in, for example, a missile assembly is disclosed, as are methods of its use. The actuation mechanism is locked in a first orientation and is unlocked in a second orientation. Locking and unlocking of the actuation mechanism is achieved by way of a locking mechanism that responds to a certain stimulus. In some embodiments, the actuation mechanism is incorporated into a sub-assembly of a missile to assist in controlling the missile's flight.
F03G 7/06 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
F42B 10/64 - Steering by movement of flight surfaces of fins
F42B 10/14 - Stabilising arrangements using fins spread or deployed after launch, e.g. after leaving the barrel
9.
Electronic pressure regulation system with proportional control valve
An electronic pressure regulation system includes an electronic control unit and a fluid assembly, with the fluid assembly including a fluid control branch having a proportional control valve and a heater. The heater may be a strip heater applied to or a coil wrapped around an external surface of the proportional control valve. The system may further include a latching isolation valve. A secondary fluid control branch can be included, and the fluid control branches can be in parallel. The electronic pressure regulation system can be included in an all-electric satellite. Another electronic pressure regulation system includes an electronic control unit and a fluid assembly, with the fluid assembly including a fluid control branch having a proportional control valve, the proportional control valve including two independently-controlled coils for magnetostrictive actuation.
An electronically-controlled pressure regulator includes an inlet through which a gas or liquid is introduced at an inlet pressure, an outlet through which the gas or liquid exits at an outlet pressure, and a valve disposed between the inlet and the outlet, the valve defining a passage including a throat and having a pintle with an enlarged shoulder, the valve movable between a closed configuration in which the enlarged shoulder seals the throat to prevent the gas or liquid from passing from the inlet to the outlet through the valve, and an open configuration in which the gas or liquid can pass from the inlet to the outlet through the valve. In a valve flow path, the enlarged shoulder is disposed between the inlet and the throat. All of the gas or liquid that enters through the inlet can exit through the outlet.
A solenoid operated valve includes a valve block defining a valve lumen, a poppet slidably disposed within the valve lumen, a solenoid including a core defining a core lumen aligned with the valve lumen, and an armature assembly. The armature assembly includes an armature disc, an armature guide having a hollow cylindrical body defining an armature guide passage, and an armature stud disposed within the armature guide passage. The armature stud is in communication with the poppet so that axial movement of one is translated into axial movement of the other. The valve further includes a coil cover enclosing the solenoid, and a guard disposed to prevent contact between the armature assembly and an adjacent component of the valve. A method of assembling a solenoid operated valve includes placing a shim between the armature disc and the core, and pressurizing and energizing the valve.
F16K 27/04 - Construction of housingsUse of materials therefor of sliding valves
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
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
F16K 47/00 - Means in valves for absorbing fluid energy
A solenoid operated valve includes a valve block defining a valve lumen, a poppet slidably disposed within the valve lumen, a solenoid including a core defining a core lumen aligned with the valve lumen, and an armature assembly. The armature assembly includes an armature disc, an armature guide having a hollow cylindrical body defining an armature guide passage, and an armature stud disposed within the armature guide passage. The armature stud is in communication with the poppet so that axial movement of one is translated into axial movement of the other. The valve further includes a coil cover enclosing the solenoid, and a guard disposed to prevent contact between the armature assembly and an adjacent component of the valve. A method of assembling a solenoid operated valve includes placing a shim between the armature disc and the core, and pressurizing and energizing the valve.
F16K 27/04 - Construction of housingsUse of materials therefor of sliding valves
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
F16K 47/00 - Means in valves for absorbing fluid energy
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
An actuation mechanism used in, for example, a missile assembly is disclosed, as are methods of its use. The actuation mechanism is locked in a first orientation and is unlocked in a second orientation. Locking and unlocking of the actuation mechanism is achieved by way of a locking mechanism that responds to a certain stimulus. In some embodiments, the actuation mechanism is incorporated into a sub-assembly of a missile to assist in controlling the missile's flight.
F42B 15/01 - Arrangements thereon for guidance or control
F03G 7/06 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
F42B 10/64 - Steering by movement of flight surfaces of fins
F42B 10/14 - Stabilising arrangements using fins spread or deployed after launch, e.g. after leaving the barrel
14.
Three-dimensional manufacturing of quieting valve having complex passages
A noise-reducing valve structure includes a unitary spindle-shaped body having a central lumen for receiving a fluid flow and a poppet member, the body having an inner diameter adjacent the central lumen and an outer diameter and a circumferentially and axially distributed plurality of radial passages adapted to be opened and closed in accordance with a guided position of the poppet member, the plurality of radial passages extending through the spindle-shaped body from the inner diameter to the outer diameter and having a gradually increasing area from the inner diameter to the outer diameter.
F16K 47/04 - Means in valves for absorbing fluid energy for decreasing pressure, the throttle being incorporated in the closure member
F16K 47/08 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
F16K 47/14 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member the throttling member being a perforated membrane
F15D 1/02 - Influencing the flow of fluids in pipes or conduits
F24F 13/08 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates
A valve is disclosed and comprises a main valve body having first and second ports and a movable poppet positioned within the main valve body. The movable poppet is moveable from a first closed position in which the poppet establishes a fluid-tight seal with a sealing member, which is effective to prevent fluid flow from the first port to the second port, to a second open position in which the poppet is spaced apart from the sealing member and fluid is permitted to flow from the first port to the second port. The valve also has a piezoelectric actuator engaged with the poppet and effective to move the poppet from the first closed position to the second open position. Methods of use of the valve are also disclosed.
F16K 1/00 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
H02N 2/00 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
A device and system for converting a three phase power input to a direct current output, and method of operating the device and system, are provided. The device includes a rectifier circuit for rectifying the three phase power input into a plurality of rectified outputs, a converter circuit for converting each of the rectified outputs, and a control circuit for generating the control signal based at least in part on the single direct current output. Each of the rectified outputs may have a common first mean voltage level, which is converted to a second mean voltage level based on a control signal. Each of the rectified outputs at the second mean voltage level are capable of being combined into a single direct current output.
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 7/217 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 7/08 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in parallel
H02M 7/64 - Conversion of DC power input into AC power output without possibility of reversal by combination of static with dynamic convertersConversion of DC power input into AC power output without possibility of reversal by combination of dynamo-electric with other dynamic or static converters
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
17.
Method and mechanism for fast evacuation of a pressurized vessel
A fire extinguishing system is disclosed in which the system comprises a fire extinguisher having an opening, and a valve assembly covering the opening. The valve assembly includes a valve movable from a first position in which the valve seals the opening of the fire extinguisher to a second position in which the valve exposes the opening to allow expulsion of fire suppression material(s) from the fire extinguisher. A release mechanism, which may be in the form of a solenoid or a manual release mechanism, is provided for moving the valve to its open position. Methods of using the aforementioned fire extinguisher to suppress a fire are also disclosed.
A62C 31/02 - Nozzles specially adapted for fire-extinguishing
A62C 37/40 - Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
A62C 13/64 - Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container the extinguishing material being released by means of a valve
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
A62C 3/07 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
The present disclosure is directed to a surge limiting circuit electrically coupleable between a power source and a downstream component. The surge limiting circuit may include a transistor configured to operate in each of a first mode that allows an electric current to flow through the transistor, a second mode that cuts off an electric current from flowing through the transistor, and a third mode that only partially allows an electric current to flow through the transistor while partially cutting off the electric current. The surge limiting circuit may further include a control circuit coupled to the transistor and configured to control operation of the transistor in response to an electrical voltage at the transistor's output. The control circuit may further be configured to repeatedly cycle between controlling operation of the transistor in the first mode and the second mode such that the transistor operates in the third mode.
A fire extinguishing system is disclosed in which the system comprises a fire extinguisher having an opening, and a valve assembly covering the opening. The valve assembly includes a valve movable from a first position in which the valve seals the opening of the fire extinguisher to a second position in which the valve exposes the opening to allow expulsion of fire suppression material(s) from the fire extinguisher. A release mechanism, which may be in the form of a solenoid or a manual release mechanism, is provided for moving the valve to its open position. Methods of using the aforementioned fire extinguisher to suppress a fire are also disclosed.
A62C 13/66 - Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers
A62C 31/02 - Nozzles specially adapted for fire-extinguishing
A62C 37/40 - Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
A62C 13/64 - Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container the extinguishing material being released by means of a valve
A62C 3/07 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
(1) Hydraulic and pneumatic valves, valve controllers for controlling fluid flow, motors, engines and control systems in land, sea, air and space vehicles; electronic controllers for controlling pressure, motion, fluid flow, electronics and power in land, sea, air and space vehicles
