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8151957 |
Anti-rotation mechanism for a closed piston torque converter
A piston plate anti-rotate mechanism in a closed piston, three passage torque converter including a cover having an inner radial surface, a drive plate comprising an annular plate, a piston plate...
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8105058 |
Drywall mud pump with improved connection between the piston and the rod
Drywall mud pump for pumping drywall joint compound, for instance, from a bucket into a drywall tool. The pump includes a cylinder, a piston, a rod, and a means, or a connection structure between...
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8083499 |
Regenerative hydraulic lift system
A hydraulic cylinder assembly for a fluid pump including a cylinder, a bearing attached to an approximate first end of the cylinder, a rod slideably mounted within the bearing, and a piston located...
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8015914 |
Pneumatic lift apparatus
A pneumatic lift apparatus has a main body including a body tube, with a cross-section of the body tube being neither a perfect circle nor a polygon. A restricting device is slidably mounted on the...
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7793583 |
Mechanical tappet in particular for a fuel pump of an internal combustion engine
A mechanical tappet (101, 201, 301, 401, 501, 601, 701, 801, 901, 1001) is provided, in particular for actuating the lifting of a pump piston (39) of a fuel pump of an internal combustion engine,...
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7641033 |
Wet type multi-plate clutch
The present invention provides a wet type multi-plate clutch comprising a first friction engaging element coaxially arranged within a clutch housing, a second friction engaging element alternately...
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7430956 |
Single-piece air cylinder for a fluid coupling device
A single-piece air cylinder (“air cylinder”) for a pneumatic fan drive system. The air cylinder is comprised of a single-piece stamping having a stepped tab portion for attaching to a piston rod...
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7219495 |
Hydraulic cylinder
A hydraulic cylinder includes a housing having a fluid connection for connecting to a hydraulic system and an after-running connection for connecting to a fluid after-running vessel, and a piston...
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7137333 |
Single-piece electro-polished air cylinder for a fluid coupling device
One advantageous embodiment of the claimed invention is an air cylinder (12) for a pneumatic fan drive system (10). The air cylinder (12) is comprised of a single-piece stamping, which is utilized...
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7127981 |
Spherical coupling structure between a piston and a connecting rod
A coupling structure for coupling a piston and a connecting rod has a protrusion formed on the rear surface of the crown of the piston and having a semi-spherical concavity and a threaded portion...
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7127982 |
Linear drive with non-rotating piston
A fluid power linear drive including a housing having an inner surface defining a piston receiving space, a piston reciprocally movable within the piston receiving space and a cooperative...
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7089848 |
Non-rotating double acting piston and cylinder assembly
A fluid actuated piston and cylinder assembly with a cylinder housing having a head end and a cap end with a piston slidably reclined within the cylinder. A piston rod is attached to the piston for...
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7004059 |
Hydraulic master cylinder switch
A switch adapted to be positioned on the pushrod of a hydraulic cylinder assembly and including a housing adapted to be positioned against an end of the hydraulic cylinder assembly and including a...
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6931980 |
Pneumatic device with cushioning mechanism
The present invention is directed to a cushioning apparatus for a pneumatic device. The cushioning apparatus generally comprises a body, wherein a piston and cylinder reside therein, wherein the...
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6931982 |
Linear actuator
A rotation-preventing slide is provided for a linear actuator which includes a housing which defines an internal bore and a piston-rod assembly which linearly moves within the internal bore in...
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6918851 |
Concentric shift system for engaging an interaxle differential lock
An interaxle differential is provided which includes a side gear, a clutch gear torsionally locked on a first input shaft and axially slidably mounted thereon and an annular piston mounted in a...
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6792845 |
Linear drive unit
A linear drive unit (1) possesses a first principal body (2) with a U-like section part (4) and furthermore a second principal body (3) with a drive housing (7). Using at least one drive means the...
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6758127 |
Pressurized medium activated working cylinder
A pressurized medium activated working cylinder with a piston that can move longitudinally in a cylinder chamber between two end positions has a device for damping the movement of the piston when...
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6732517 |
Retainer for brake master cylinder travel sensor
An assembly for sensing travel by a piston in a master cylinder comprises a magnet and a retainer for retaining the magnet proximate the piston. An orientation screw engages an axial slot in the...
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6672199 |
Cylinder block of an axial piston compressor with elongated cylinder face
Cylinder block (32) of an axial piston compressor (20), in particular for use in a vehicle air conditioner with CO2 as coolant, which comprises at least one, in particular several cylinder bores...
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6637316 |
Pressure fluid cylinder with optional anti-rotation feature
A pressure fluid cylinder with anti-rotation feature, includes a cylinder tube of non-circular inner cross section and a piston which is sealingly received in the tube. The piston has a circular...
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6546841 |
Swash plate compressor and piston therefor
A piston includes an engagement portion that engages with a swash plate. The engagement portion is provided with a pair of arm portions and a coupling portion for coupling base ends of the arm...
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6526870 |
Fluid pressure cylinder
A circular piston and a noncircular rod are separately formed as separate parts and the piston and the rod are integrally connected to each other through an adhesive in a state in which the piston...
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6526865 |
Weld cylinder
According to the present disclosure, a fluid cylinder is provided that is configured to move an object between first and second positions. The fluid cylinder includes a cylinder housing and a shaft...
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6502880 |
Pin part locator
A preferred embodiment of a fluid powered apparatus has a housing, a piston and an off-axis member to deter piston rod rotation relative to the housing. In a further aspect of the present...
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6422128 |
Piston-rotation preventing structure for variable displacement swash plate type compressor
A piston-rotation preventing structure for a variable displacement swash plate type compressor is disclosed. The piston-rotation preventing structure has a front housing and a cylinder block that...
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6367368 |
Variable displacement compressor having piston anti-rotation structure
A variable capacity swash plate type compressor (10) incorporates an anti-rotation structure (60) formed on each piston (52). Each piston (52) is disposed in a cylinder (14) of a cylinder block...
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RE37483 |
Cylinder liner securing apparatus
A device for securing a cylinder liner (3) to a respective pumping module (2) in a reciprocating pump has a set of arrangements each with a hydraulically activated piston (8), a rod (11) of which...
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6325599 |
Piston having anti-rotation for swashplate compressor
A piston having anti-rotation for a swashplate compressor includes a body portion extending axially and a connecting portion spaced radially from a longitudinal axis of the body portion and...
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6220146 |
Single-headed-piston type refrigerant compressor with means for preventing rotation of the piston about its own axis within the cylinder bore
A single headed piston type refrigerant compressor having a cylinder block forming therein a plurality of cylinder bores receiving a plurality of single-headed pistons for reciprocation therein,...
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6205906 |
Rodless cylinder
A rodless cylinder comprises a cylinder tube and guide shafts which are arranged in parallel to one another. The cylinder tube comprises a piston therein which is displaceable in the axial...
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6189437 |
Brake booster having means for mounting on a wall
A brake booster having a front shell joined to a rear shell with the interior separated by a wall to at least define a first front chamber and a first rear chamber. A reinforcement plate located...
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6129003 |
Fluid-pressure cylinder apparatus
A rotation-preventing mechanism for regulating the free rotation of an outer piston in a boosting cylinder apparatus is composed of at least one engaged groove formed in the inner surface of a...
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6038959 |
Cylinder device for displacing workpiece
A cylinder device includes a casing with a pair of fluid inlet/outlet ports defined therein, a base plate, a piston fixed to the base plate, a cylinder, and a top plate. The cylinder device also...
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6029561 |
Fluid pressure cylinder
A fluid pressure cylinder (1) includes two cylinder end walls (6',6"), a cylinder tube (2) and a piston (3), which is axially movable inside the cylinder tube, wherein at least one of the cylinder...
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5988041 |
Piston for compressors
A piston for use in a compressor that compresses gas containing lubricating oil is disclosed. The compressor includes a housing having a crank chamber and cylinder bores, and a swash plate located...
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5974948 |
Linear actuator
A piston and cylinder assembly for use in actuating a locating pin for sheet metal provides stability for a pin mounted thereon against side to side movement and rotation. To this end the assembly...
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5961556 |
Prosthetic suspension unit having elastomeric energy storage units
A prosthetic suspension unit for cushioning shocks in a prosthetic is provided. The unit includes a cylindrical sleeve attachable to a first prosthetic member; attachment member attachable to a...
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5957029 |
Linear thruster
A linear thruster is disclosed in which a load beam is linearly moved by fluid power relative to a guide beam and a piston. The beams are multisided in cross-section to substantially increase the...
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5934172 |
Swash plate type compressor having an improved piston rotation regulating-structure
In a swash plate type compressor in which a piston (60) is reciprocated in accordance with a rotary motion of a swash plate and is located within a housing (2) having an inner periphery (2a), the...
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5884549 |
Linear actuator
A linear actuator comprising a guide section formed along a longitudinal direction to protrude on a bottom surface of a slide table, a pair of guide blocks formed mutually opposingly and seperated...
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5865089 |
Linear thruster
A linear thruster is disclosed in which a load beam is linearly moved relative to a guide beam by fluid power. One or both of the beams are multisided in cross-section to substantially increase the...
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5842406 |
Piston for compressors including a restrictor to prevent the piston from rotating
A piston for use in a compressor that compresses gas containing lubricating oil is disclosed. The compressor includes a housing having a crank chamber and cylinder bores for accommodating the...
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5839348 |
Moving cylinder apparatus
A cylinder apparatus includes a base plate, a piston fixed to the base plate and having a piston head and a piston rod connected thereto, a cylinder body having a cylinder chamber defined on one...
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5826490 |
Compressor, in particular for air-conditioning systems in vehicles
A compressor is disclosed, in particular for air-conditioning systems in vehicles, having at least one piston movable in a cylinder, a drive shaft and a wobble plate arrangement between the piston...
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5791233 |
Lifting column with telescoping guides
The invention relates to a novel design of a lifting column, especially for patient tables or for industrial applications, with at least one lifting cylinder designed as a hydraulic cylinder at...
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5771775 |
Device for guiding a piston
A compressor has a front housing, cylinder block and a rear housing. The housings and cylinder block are secured to one another by a plurality of bolts. A plurality of pistons reciprocally move in...
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5761985 |
Fluid power cylinder
A fluid power cylinder comprises a terminally arranged piston rod guide device through which a guide station of the piston rod with a prismatic cross section runs. Two diametrally opposite prism...
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5752413 |
Reciprocating piston machine with a wobble plate gear
The reciprocating piston machine has a wobble plate gear, in which the pins (2) are connected in articulated manner to the circumference of the wobble plate (3) by in each case one ball end (21),...
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5750952 |
Welding gun with anti-rotation cylinder and internal proximity switch
A welding gun that prevents rotation of the electrode, including a cylinder and a reciprocating piston assembly having a pair of pistons. In addition to the conventional connecting rod, the pistons...
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