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8109199 |
Reciprocating compressor
A reciprocating compressor comprises: a cylinder having an oil pocket on an inner circumferential surface of a piston insertion hole for inserting a piston with a predetermined width and depth; and...
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8100233 |
Disc-brake vibration damper
A disk brake vibration damper comprising a cylindrical element (4) equipped on its cylindrical peripheral surface (41) with a layer of a supple material (5) which exhibits properties of adhesion...
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7950321 |
Hydraulic system
A hydraulic system includes a master cylinder having a housing, a piston axially movably disposed in the housing, and a piston rod, the piston bounding a pressure chamber filled with a hydraulic...
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7908962 |
Compressor
A compressor is provided that includes a supplementary torque providing part that reduces a speed of a piston compression of refrigerant and increases the speed of the piston in drawing of the...
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7273022 |
Concentric piston for variable compression ratio directly based on the combustion chamber pressure
This invention produces a variable compression ratio in internal combustion engines, based on a sliding concentric piston which moves up by an internal spring and down by the different changing...
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7124678 |
Apparatus for preventing abrasion in reciprocal compressor
An apparatus for preventing abrasion in a reciprocal compressor, including a cylinder, a reciprocal motor having a stator and a mover, and generating a linear reciprocation driving force, a piston...
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7090474 |
Diaphragm pump with overfill limiter
A diaphragm pump which overcomes the problem of diaphragm failure due to overfill of the oil transfer chamber. An overfill preventive element in the form of a mechanical stop, a fully closed coil...
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7004729 |
Compressor with pot-shaped housing and housing sealing cover
A compressor, in particular for air conditioning systems in motor vehicles, having a housing, a housing sealing cover, a drive shaft with bearings and a drive device for pistons that are displaced...
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6758129 |
Collapsible pushrod for a power brake of a vehicle
A collapsible push rod for a brake booster in a vehicle is provided, having first and second telescoping members, and retractable locking means for selectively locking the first and second members...
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6640541 |
Master cylinder for use in power trains of motor vehicles
A master cylinder for use in the power train of a motor vehicle to actuate the brakes or the friction clutch is designed to avoid the generation of screeching noise and/or the transmission of stray...
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6595105 |
Reciprocating compressor
Reciprocating compressor including a connecting rod for converting a rotating movement of a crank shaft into a linear reciprocating movement, a piston for making a linear reciprocating movement...
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6494039 |
Force-controlled hydro-elastic actuator
Provided is a force-controlled hydro-elastic actuator, including a hydraulic actuator, having a connection to hydraulic fluid and including a mechanical displacement member positioned to be...
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6492748 |
Reciprocator and linear suspension element therefor
A linear suspension element having preloaded legs that reduce fretting and maximize stroke within allowable stress limits. Also, a reciprocator and suspension including the linear suspension element.
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6453545 |
Compact inflatable device for applying localized pressure to turbine generator armature bars
Radial pressure is applied to a turbine generator armature bar using a simple hand held device that can be readily manipulated by a single human operator. A retainer platform has two wedge shaped...
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6347518 |
Pedal simulator using spring with non-linear response
A pedal simulator utilizing springs to provide a brake pedal with a non-linear, progressively increasing response characteristic for pedal travel versus force exerted on the brake pedal similar to...
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6272971 |
Connecting rod for hermetic refrigerating compressor
The invention concerns a connecting rod for a hermetic refrigerating compressor, in which the connecting rod forms the mechanical connection between a crank and a piston. The purpose of the...
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6164188 |
Reciprocating pump/compressor with self-aligning piston
A reciprocating pump or compressor has an alignment adapter for providing a self-aligning piston rod. The alignment adapter and a clamp couple the piston rod to a crosshead extension rod. The...
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6113304 |
Coupling for high pressure fluid pump assembly
A coupling for a high pressure fluid seal assembly is shown and described. The coupling includes a first member having first and second opposite ends and capable of motion along a first axis...
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5996468 |
Piston-cylinder unit
A piston-cylinder unit for a hydraulic system, especially for the actuation of clutches in motor vehicles, comprises a housing with an axially stepped bore hole in which a piston fastened to a...
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5992222 |
High pressure pump system and method of operation thereof
A pump system for producing high and exactly controllable pressure levels includes a piston pump which has a piston (32) connecting to a spindle shaft (22), a spindle nut (44) on said spindle...
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5944627 |
Piston with two piston members for transmission servo assembly
A replacement mechanism or servo assembly for applying a band to an input member of an automatic transmission includes a housing in which an apply piston is located and to which an apply pin is...
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5938416 |
Liquid transfer apparatus having a plunger pump and a diaphragm pump for cleaning the plunger during its reciprocating motion
A liquid transfer pump includes a housing having an inner space, a cross head disposed in the inner space of the housing and attached to a driving mechanism to reciprocate inside the housing, a...
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5842405 |
Eccentric arrangement for a reciprocating piston pump
The present invention relates to an eccentric arrangement for a reciprocating piston pump, having a drive shaft drivable by a drive device, an eccentric part of a rubber-elastically deformable...
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5839349 |
Noise-abated pump unit, in particular for controlled brake systems
A reduced noise radial piston pump with a driving motor for a controlled brake system. The noise reduction is primarily accomplished by locating and orienting the motor/pump bearings with respect...
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5657682 |
Hose piston for transporting external objects along a flexible hose
A hose piston is disposed inside a flexible hose which is filled with fluid and movable in any direction upon hydraulic pressure. The rollers of an external device are engaged on the exterior...
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5522214 |
Flexure bearing support, with particular application to stirling machines
The use of flexures in the form of flat spiral springs cut from sheet metal materials provides support for coaxial nonrotating linear reciprocating members in power conversion machinery, such as...
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5520154 |
Fuel injection device according to the solid-state energy storage principle for internal combustion engines
The invention pertains to a fuel injection device operating according to the solidstate energy storage principle, whereby a rotor element carried in a pump housing of an electromagnetically driven...
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5499570 |
Piston with piston rod being latchable through a retaining member
Retaining element fixed within the piston opening which avoid any inadvertant extraction of the piston rod from the piston.The design provides a safe and easy to assemble means for fastening the...
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5485777 |
Abrasion preventing device for hermetic reciprocating compressor
An abrasion preventing device for a hermetic reciprocating compressor. The device releases the impact generated between the slider and the shell of the compressor, thus to prevent possible abrasion...
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5460077 |
Linear thruster with compliant head
A linear thruster (10) comprises a thruster assembly (15) and a compliant head assembly (100). Thruster assembly (15) includes a housing (20), a pair of guide rods (30) supported by bearings (29)...
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5442993 |
Self-aligning piston
A self-aligning piston assembly has a piston member having a sidewall for slidable displacement within a bore, the piston member having an inner curved surface, the piston assembly having an inner...
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5386760 |
Brake booster with reaction disk retainer
An improvement of a recess formed in one end of an output shaft of a brake booster is disclosed. At its one end, the rear extremity of the output shaft is formed with a flange-like stop, which is...
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5345855 |
Reaction disc for a brake booster
A reaction disc used in a brake booster, in particular, an improvement of an air vent formed in the outer periphery of the reaction disc is disclosed. The reaction disc is provided with a...
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5301598 |
Piston-cylinder unit for producing and transmitting compressive forces
A piston-cylinder unit for producing and transmitting compressive forces onto adjusting elements which are guided so as to be slidable on a straight line. The piston-cylinder unit includes a push...
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5155997 |
Force-amplifying actuator with capsule-type transmission
A fluid transmission linear actuator having a chamber with a cylindrical boundary and a central axis. An output plunger has a head in the boundary. A neck is formed on the chamber with a passage...
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5144878 |
Hydraulic actuator with wear take-up
A hydraulic actuator (1) with automatic wear take-up, is formed with a first piston (17) sliding in a blind bore (13), a second piston (33) in a bore made in the first piston, and an output rod (3)...
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5121673 |
Apparatus for preventing percussion beats in brake booster
Apparatus for preventing percussion beats in a brake booster is disclosed. The apparatus prevents percussion beats from occurring as a result of an abutment of a valve plunger, which forms part of...
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5092902 |
Hydraulic control unit for prosthetic leg
A prosthetic leg has a pivotal knee joint and a hydraulic fluid control unit connected to provide variable forces which dampen flexion and extension of the knee and also bias the leg to its...
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5044891 |
Variable displacement diaphragm pump
A power source (14) rotates an eccentric (20) engaged within the center of a relatively large drive roller (22) to rotate the drive roller while simultaneously orbiting the center of the drive...
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5014599 |
Two piece hydraulic piston assembly with swaged piston-sleeve joint
A piston and piston support rod assembly in which the piston is formed as a sheet metal stamping. A central sleeve is attached to the end wall of the stamped piston by a swaging operation performed...
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5004403 |
Pressure responsive drivers for reciprocating pump and method
A pressure responsive driver couples a reciprocating motor output to a reciprocable piston of a double-acting pump. In one embodiment, the driver comprises a single spring and in another a pair of...
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4995587 |
Motion amplifier employing a dual piston arrangement
An electromechanical motion amplifier in accordance with this invention is useful for controllably converting an input displacement into an amplified output displacement. This device comprises a...
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4987739 |
Master cylinder with collapsible piston locator
A dual master cylinder for a vehicle brake system includes a housing having a housing bore with a open end and a closed end. The open end has a piston stop. Two pistons are reciprocably received in...
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4890541 |
Fluid-operated actuator with force multiplication
A fluid-operated actuator for collets, vises, chucks and other workpiece engagement devices, for example, the actuator having a piston which moves the engagement device toward the workpiece with a...
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4881453 |
Servo mechanism for actuating a friction band assembly in a planetary gear set
A self contained servo mechanism (10, 110) for actuating a friction band assembly (13) in a planetary gear set. The servo mechanism (10, 110) is contained within a housing (25, 125) which...
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RE33003 |
Joint system
A joint for connecting a driving means to a driven means for reciprocating movement wherein a confined deformable, non-compressible material is in contact with a surface area of the driving means...
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4809508 |
Clutch-disengaging hydraulic actuators preventing wheel slip
Hydraulic booster device intended to be arranged in parallel with a primary actuation circuit between an actuator mechanism and a receiver, the device comprising an electromagnetic valve mechanism...
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4803914 |
Rotational working cylinder
In a rotational working cylinder comprising a shaft arranged concentrically within the working cylinder and driven out of the working cylinder with at least one end of it, a piston being divided...
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4791856 |
Single acting hydraulic actuator with variable return force
A spring operated valve actuator with variable return force includes a compact spring mechanism with a short but very powerful closing characteristic. The energy provided by the spring mechanism is...
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4748899 |
Dual-pressure jack
The casing of the jack is divided into two cylinders by a cross partition, with a first piston which moves in one of the cylinders and a second piston, forming two parts, linked by a rod which...
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