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8136417 |
Sliding device
A sliding device 1 includes a swash plate 3 rotated in association with a rotating shaft 2 and semispherical shoes 4 sliding on the swash plate 3. The semispherical shoes 4 are formed of a ferrous...
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7637018 |
Power tool
A power tool includes a housing, a rotary motor disposed in the housing, a jack shaft coupled to the motor and a spindle mounted in the housing for carrying a tool. A first wobble plate assembly is...
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7438029 |
Piston waveform shaping
An assembly includes at least one piston, a rotating member, a transition arm, and a mechanism. The transition arm is configured to translate between rotational movement of the rotating member and...
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7334548 |
Piston joint
A joint for positioning between first and second elements includes an outer member and an inner member. The first and second elements are arranged for linear motion along a common axis. The outer...
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7302883 |
Hybrid nutating pump
A nutating pump has a cross-type universal joint connecting a nutating member to a pump housing, ball joints connecting the nutating member to piston rods, and the piston rods fixed to piston heads...
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7168169 |
Anti-rotation drive mechanism for a reciprocating saw
An anti-rotation reciprocating drive apparatus for a reciprocating saw utilizes a wobble plate assembly that includes a drive shaft and an elongated arm with an interface structure for engaging a...
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7040263 |
Piston engine assembly
A variable compression piston assembly includes a plurality of pistons, a transition arm coupled to each of the pistons, and a rotating member mounted for pivoting movement to slide along an axis...
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6991438 |
Radial piston pump with piston rod elements in rolling contact with the pump pistons
In a piston pump for providing high-pressure fuel in a common-rail fuel injection system including a camshaft (2), which is mounted rotatably in a pump housing (1) and which has at least one...
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6968751 |
Axial piston machines
This invention relates to internal combustion engines with cylinders arranged parallel to the main shaft and where reciprocating movements of the pistons are converted to rotation by means of a...
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6899013 |
Hinge for a variable displacement compressor
The subject invention provides a pivot assembly for rotatably connecting a rotor to a swash plate in a variable displacement compressor. The rotor and swash plate each having pivot arms supporting...
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6829978 |
Piston engine balancing
A piston assembly includes first and second pistons, a transition arm coupled to each of the pistons, and a rotating member rotating in a first direction about a first axis. The transition arm...
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6823768 |
Nitrided surface layer on a swash plate boss
A swash plate for a swash plate-type, variable displacement compressor, such that the compressor is driven by a drive shaft having a shaft axis. The swash plate includes a boss that is penetrated...
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6736748 |
Roller with axial travel
A distributing roller includes a roller sleeve and a gear located on the interior of the roller. The gear generates a rotational speed of a roller inner shaft that is different from the rotational...
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6716005 |
Pump provided with diaphragms and an eccentric rotation shaft
In a pump, a plurality of pump chambers are defined by a plurality of diaphragms. A pivotable member is attached to the diaphragms. A rotator is formed with a first hole having a first diameter,...
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6698198 |
Hydrostatic transmission
A control apparatus for a hydrostatic device such as a hydrostatic transmission having a rotatable pump and motor mounted in a housing, a moveable swash plate engaged to the pump and a trunnion...
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6688212 |
Swash plate-type compressors
A swash plate-type compressor includes a cylinder block having a plurality of cylinder bores formed therethrough, a drive shaft rotatably supported by the cylinder block, and a swash plate...
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6675697 |
Inclined plate for axial piston motors
The invention relates to an axial piston motor having a hollow cylindrical machine housing with an end face and an outer diameter, an inclined plate within the housing, a closing cap for the...
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6644170 |
Double spline hydraulic pump
In a hydraulic pump assembly, an annular sleeve member is radially interposed between an outer peripheral surface portion of an input shaft and an inner peripheral surface portion of a cylinder...
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6637312 |
Assembly and mounting of an engine drive mechanism
A mounting assembly for connection of a drive mechanism to an engine. The engine includes pistons, an engine block and an output shaft. The assembly includes a drive mechanism, connecting rods and...
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6626054 |
Swashplate design
A rolling element or ball swashplate has a part-spherical surface covered in latitudinal grooves and ridges, in cross-section resembling parts of a spur gear wheel. The ball is mounted on a...
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6578465 |
Swash plate-type, variable displacement compressor
A swash plate-type, variable compressor according to the present invention has a connection mechanism between a rotor and swash plate and includes a double pivot mechanism, and has a swash plate,...
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6554583 |
Swash plate compressor with reciprocal guide assembly
Novel and improved forms of guide assemblies are provided for a swash plate type of air compressor, a first form of invention including a linear slider, which is movable up and down a support rod...
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6548926 |
Linear displacement actuator
The subject of the invention is a linear displacement actuator which includes a male part and a female part. One part includes a screw thread and the other part includes at least one peripheral rib...
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6474183 |
Variable-displacement inclined plate compressor
A variable-displacement inclined plate compressor includes a drive shaft, a rotor provided on the drive shaft, and an inclined plate provided around the drive shaft and rotated synchronously with...
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6470761 |
Connecting link between the rotor and the CAM plate of a variable displacement swash plate compressor
A connecting link between a rotor supported by a driving shaft to rotate synchronously with the driving shaft and a variable inclination cam plate supported by the driving shaft of a variable...
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6435047 |
Shoe for swash-plate type compressor
A method of manufacturing a shoe including cutting a columnar raw material to a given length to provide a disc-shaped raw material, forming on one end face of the disc-shaped raw material a...
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6431017 |
Mechanism for moving two alignment devices simultaneously in opposite directions
A mechanism for moving two alignment devices having vertical parallel faces for identical flat workpieces such as cardboard blanks, simultaneously in opposite directions. The mechanism includes two...
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6357336 |
Oscillating bearing
An oscillating bearing arrangement, for axial piston pumps (1) of a wobble plate type, comprises a shaft (6) connected for rotation about its longitudinal axis (13) to a wobble plate, the shaft (6)...
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6302658 |
Swash plate-compressor
A compressor, in particular for the air conditioning system of an automobile, with a housing (1) and a compressor unit (2) accommodated in the housing (1) for taking in and compressing a...
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6289785 |
Swash plate type compressor
A swash plate type compressor that provides long lasting high lubricating performance to the sliding contact surfaces of a swash plate and shoes. The surface of the swash plate or the shoes on...
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6276905 |
Piston-shoe arrangement for a swash plate compressor
In a swash-plate type compressor having a shoe interposed between a piston and a swash plate connected to a rotatable shaft, the shoe has a spherical convex part inserted in a concave part of the...
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6264438 |
Reciprocating pump having a ball drive
A pump includes a pump chamber, a reciprocally, driven body that is moved to perform a pumping function by changing the capacity of the pump chamber, and a driving mechanism that reciprocally moves...
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6234255 |
Adjustable stroke for a reciprocating saw
An adjustable cutting stroke length is provided by a wobble plate mechanism. A wobble plate mechanism imparts reciprocating linear action to a working end of a reciprocating motorized tool. A drive...
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6186747 |
Axial plunger slurry pump
An axial plunger slurry pump comprises a pump body, a sloping cam plate, a swashplate, cylinders, plungers and a pump head. Each of the plungers comprises a plunger body with a rubber piston...
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6098520 |
Swash plate compressor in which a swash plate has a sliding surface non-parallel to a reference surface thereof
A swash plate compressor is for carrying out a compressing operation by converting a rotational force of a swash plate into a reciprocating motion of a piston via a sliding member which is held to...
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6082634 |
Wash spray apparatus for vehicles
A wash spray apparatus that is particularly suitable for use in automatic car washes comprises an array of nozzles on a nozzle head. Water is supplied to the nozzle head through one or more...
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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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5916348 |
Wobble-plate pump including a mushroom-shaped inclined wobble-plate
A wobble-plate pump including a mushroom-shaped inclined wobble plate which is keyed directly on supporting bearings and is suitable to alternately move axial pistons. The mushroom-shaped wobble...
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5894782 |
Compressor
A compressor (1) with at least one piston (9) movable in a cylinder (10), a drive shaft (2) and a wobble plate arrangement (4, 5) between piston (9) and drive shaft (2), having an inclined plate...
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5890412 |
Control plate of a hydraulic machine
A control plate (1) of a hydraulic machine having a core (2) is disclosed, which at least on its upper side (O), lying in operation against a cylinder drum, is covered with a layer of...
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5862704 |
Retainer mechanism for an axial piston machine
A retainer mechanism for an axial piston machine embodies a shoe plate having a plurality of openings defined in a circumferential outer portion thereof to receive a plurality of shoes and a...
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5839347 |
Wobble plate compressor with swash plate guide member
A guide member of a wobble plate compressor is slidably mounted in an inner wall surface of a housing of the wobble plate compressor. The guide member comprises a guide part having a U-shaped...
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5826488 |
Swash plate angle changing apparatus for a piston pump/motor of swash plate type
In a piston pump/motor of swash plate type which comprises: a cylinder block disposed in a casing to be rotatable jointly with a shaft therein; a plurality of pistons slidably inserted in the...
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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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5813314 |
Double-headed swash-plate operated reciprocating piston type compressor with improved thrust bearing assemblies for the swash plate
A double-headed swash-plate operated reciprocating piston type refrigerant compressor having front and rear cylinder blocks provided with axial cylinder bores for receiving the double-headed...
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RE35878 |
Variable capacity swash plate type refrigerant compressor having a double fulcrum hinge mechanism
A variable capacity single headed piston swash plate type refrigerant compressor is provided with a double fulcrum hinge mechanism having a pair of hinges for providing a pivotal connection between...
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5794513 |
Pressure-applying arrangement in a hydraulic axial piston machine
A pressure-applying arrangement in a hydraulic axial piston machine is disclosed, having a pressure plate (7) and a piston (9) that is axially displaceable in a cylinder body (3), is biased by a...
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5784951 |
Piston with a slide shoe and method of manufacturing same
A piston with a slide shoe for a hydraulic piston engine, where the slide shoe comprises a ball socket, and where the piston is arranged with a corresponding ball head, whereby these are joined in...
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5784949 |
Retaining system for slipper holddown pins
An improved apparatus for retaining slipper holddown pins radially in a hydraulic unit includes a cylinder block having a plurality of holes therein for respectively receiving a corresponding...
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5778727 |
Headed spindle pin for wobble-type sickle drive
A wobble drive for imparting reciprocating motion to a sickle bar includes a wobble drive shaft rotatable about a first axis and having a cylindrical wobble section formed about an axis making an...
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