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Match Document Document Title
US20080060510 VARIABLE PUMP OR HYDRAULIC MOTOR  
The invention concerns a variable pump or hydraulic motor with a drive axis with a first axis of rotation and first plungers connected to the drive axis and rotatable around the first axis of...
US20110232476 ROTARY MACHINE WITH PISTONS AND A BARREL  
The invention relates to a rotary machine with pistons (22) and a turret (25), including:—a frame (2), through which a shaft (1) extends, having a geometrical axis x-x′ and mounted in a stationary...
US20090078113 Reciprocating Piston Machine, in Particular a Compressor for a Vehicle Air-Conditioning Unit  
A reciprocating piston machine (100) is provided such as a CO2 compressor for a vehicle air-conditioning unit. The machine (100) comprises a plurality of pistons and a swivel disk (107) that is...
US20080250921 Stroke adjustment mechanism for reciprocating pumps  
A stroke adjustment mechanism having fewer parts that are easier to manufacture. In order to translate stroke adjustment into an eccentric offset of a rotating shaft to act as a rotating cam...
US20090107327 Capacity-variable type swash plate compressor  
A capacity-variable type swash plate compressor in which the preferable operability of a link mechanism and reduction of manufacturing cost are realized is provided. According to the compressor in...
US20090205486 Fluid Operated Rotary Drive  
A fluid operated rotary drive comprises a drive housing (2) and an output shaft (4) able to be caused to oscillate in relation to it and having a pivotal abutment arranged on it which cooperates...
US20110315006 HYDROSTATIC MACHINE  
A hydrostatic machine, has first and second axial-piston units arranged on a common axis and having pistons which cooperate with an adjustable swash plates, wherein the first axial-piston unit has...
US20100089230 Axial Piston Machine With an Elongated Guide Element for a Cage Segment  
The invention relates to an axial piston machine (1) of swashplate construction, with two pivot bearing parts (13b, 13c), between which a gap (14) is arranged, in which a cage segment (15) is...
US20150068394 Hydrostatic Variable Displacement Axial Piston Machine, in particular Hydrostatic Variable Displacement Axial Piston Motor  
A hydrostatic axial piston machine includes a swashplate with an oblique surface formed thereon. Working pistons, which revolve and are supported by the oblique surface, are axially positioned on...
US20110023701 VARIABLE DISPLACEMENT RECIPROCATING PUMP  
A variable displacement reciprocating pump with pumping rate that is adjustable from zero to maximum stroke while the pump is running. Stroke is varied by changing relative position of pairs of...
US20130076114 BRAKE BOOSTER  
A brake booster for use in a hydraulic braking system having a brake pedal, a master cylinder, and a hydraulic control unit includes a housing, a screw drive arrangement positioned at least...
US20130076115 BRAKE BOOSTER  
A brake booster for use in a hydraulic braking system having a brake pedal, a master cylinder, and a hydraulic control unit includes a housing, a screw drive arrangement positioned at least...
US20090178552 VARIABLE CAPACITY COMPRESSOR  
The variable capacity compressor has a rotor 21, as a rotating member, fixed to a drive shaft 10 and rotating integrally with the drive shaft 10, a swash plate 24, as a tilting member, tiltably...
US20150033939 HYDROSTATIC RADIAL PISTON MACHINE AND PISTON FOR A HYDROSTATIC RADIAL PISTON MACHINE  
A radial piston machine and a piston for a radial piston machine include pistons that are movable in the radial direction and are guided along a lifting surface of a cam ring by a roller. The...
US20150240636 OPPOSED SWASH PLATE TYPE FLUID PRESSURE ROTATING MACHINE  
An opposed swash plate type fluid pressure rotating machine in which a first piston and a second piston projecting from opposite ends of a rotary cylinder block reciprocate in a cylinder,...
US20140360351 FLUID PRESSURE ROTARY MACHINE  
A fluid pressure rotary machine includes a cylinder block that is fixed to a rotary shaft and includes a plurality of cylinder bores, a piston disposed to be free to slide in each cylinder bore...
US20090095150 Axial Piston Machine Utilizing A Swashplate Design  
A hydrostatic axial piston machine utilizing a swashplate design has a cylinder drum (3) that is mounted so that it can rotate around an axis of rotation (2). The cylinder drum (3) is provided...
US20090049981 MECHANISM FOR VARYING CYLINDER STOP POSITION AND SUBSTRATE PROCESSING APPARATUS INCLUDING SAME  
A cylinder stop position varying mechanism is employed in a cylinder having a piston and a shaft. The cylinder stop position varying mechanism includes a stopper fitted onto the shaft; a pair of...
US20130139679 PISTON ASSEMBLY FOR A FLUID TRANSLATING DEVICE  
A piston assembly for use in the cylinder block of a fluid translating device such as a hydraulic pump or motor. The piston assembly has an inner core having a working end, a driven end and an...
US20090272258 Wechselarmatur  
A retractable assembly, comprising: an assembly housing; a linear drive in the assembly housing; and a tubular holder), movably guided between a measuring position and a service position by means...
US20100132544 AXIAL PISTON MACHINE HAVING A RETURN DEVICE  
The invention relates to an axial piston machine comprising a pivoting cradle having variable tilt. The axial piston machine has at least one adjustment device extending substantially in the...
US20090095149 Axial Piston Machine  
An axial piston machine utilizing a swashplate design has a cylinder drum (3) that is mounted so that it can rotate around an axis of rotation (2). The cylinder drum (3) is provided with cylinder...
US20090241766 VARIABLE DISPLACEMENT COMPRESSOR  
A variable displacement compressor includes a housing, a rotary shaft, a bearing, a seal member, a shaft seal chamber, a discharge refrigerant passage and a partition. The partition is provided in...
US20120097022 PUMP UNIT  
A pump unit includes a variable capacity pump, and a balanced piston mechanism having a piston body, connected to an operation section of a variable swash plate, provided inside a cylinder,...
US20100206161 AXIAL PISTON MACHINE IN A SWASH-PLATE CONSTRUCTION HAVING AN ADJUSTING DEVICE  
An axial piston machine in a swash-plate construction with an actuating device. The actuating device comprises a actuating piston and a mating piston. The actuating piston and the mating piston...
US20110271829 Rotary Hydraulic Machine and Controls  
A variable capacity hydraulic machine has a rotating group located within a casing and a control housing secured to the casing to extend across and seal an opening in the casing. The control...
US20090199705 AXIAL PISTON MACHINE AND CONTROL PLATE FOR AN AXIAL PISTON MACHINE  
In the case of a control plate for an axial piston machine having at least two control openings (31, 32), by means of which cylinder bores (9) of a cylinder drum (4) rotatably mounted in a housing...
US20110271828 Axial Piston Machine having Bent Axis Construction  
An axial piston machine having bent axis construction, having a drive shaft rotatably supported in a housing and ending in a drive flange comprising a face on the drive shaft side, is disclosed in...
US20130213214 SWASHPLATE PIVOT BEARING  
The invention relates to a swashplate pivot bearing (10) in an adjustment unit of a hydraulic axial piston machine (1) with a timing/tracking mechanism (20) for the cage (14) of a roller bearing...
US20170130704 ROTARY FLUID DEVICE WITH BENT CYLINDER SLEEVES  
A rotary fluid pump-motor includes first and second rotor assemblies and a bent cylinder sleeve. The first rotor assembly includes a first rotor, a piston cylinder, and a flange ring with an...
US20160252083 TURBOMACHINE WHICH CAN BE OPERATED BOTH AS HYDRAULIC MOTOR AND AS PUMP  
A turbomachine that can be operated as a motor and as a pump, having an axially fixedly mounted shaft, including a power section with rotating inlet and outlet and an associated controller....
US20160201698 FIXED WOBBLER FOR HYDRAULIC UNIT  
A fixed wobbler of a hydraulic unit includes a body having a first end and an opposite second end, the first end defining a first surface, and the second end defining a second surface oriented at...
US20160201697 VARIABLE WOBBLER FOR HYDRAULIC UNIT  
A variable wobbler of a hydraulic unit includes a body having a first end and an opposite second end, the first end including an annular wall and an inner surface configured to contact a piston of...
US20160201659 Bearing Arrangement for Cryogenic Pump  
A bearing arrangement for a wobble plate piston pump includes first, second, third, and fourth bearing assemblies. The first and second bearing assemblies support the drive shaft portion for...
US20160200435 SWASHPLATE APPARATUS  
A swashplate apparatus is provided and includes a first swashplate including outer and inner bodies and an intermediate portion defining a major groove between the outer and inner bodies, a second...
US20160153438 VARIABLE DISPLACEMENT SWASH-PLATE COMPRESSOR  
A variable displacement swash-plate compressor includes an actuator that is configured to change the inclination angle of a swash plate. The actuator includes a movable body that moves along a...
US20160153436 VARIABLE DISPLACEMENT TYPE SWASH PLATE COMPRESSOR  
A mobile body and a swash plate are coupled to each other via a columnar coupling pin provided on an outer peripheral part of the swash plate. An insertion hole through which the coupling pin is...
US20160153432 PUMP  
In an embodiment, a variable flow pump may include a swashplate rotatably driven by a driveshaft. The swashplate may be movable between a first and second tilt angle relative to the driveshaft. A...
US20160131118 TANDEM AXIAL PISTON PUMP WITH SHARED CYLINDER BLOCK  
A tandem axial piston pump having a common cylinder block. A first axial piston pump includes a first set of pistons arranged in a parallel, circular array and configured to reciprocate in...
US20160084084 HYDRAULIC AXIAL-PISTON DEVICE WITH FEATURES TO ENHANCE EFFICIENCY AND POWER-DENSITY  
An axial piston device configuration that includes a drive shaft, a piston block, pistons, a constant velocity joint assembly, a drive plate coupled to the constant velocity joint assembly, a...
US20160076525 AXIAL PISTON PUMP  
The invention relates to an axial piston swash plate pump, in particular for hydraulic systems, comprising a cylinder drum (1) which can be rotationally driven about an axis (15) in a pump housing...
US20160076524 PISTON INCLUDED IN LIQUID-PRESSURE ROTATING DEVICE AND LIQUID-PRESSURE ROTATING DEVICE  
A piston in a liquid-pressure rotating device in which pistons are arranged at a cylinder block rotatable together with a rotating shaft, includes: a cylindrical peripheral wall main body portion...
US20160053751 SEMISPHERICAL SHOE FOR SWASH PLATE COMPRESSOR AND SWASH PLATE COMPRESSOR  
It is an object of the present invention to provide a semispherical shoe which can be prevented from being subjected to seizure even in a dry lubrication state in which there is no lubricating oil...
US20160047366 VARIABLE DISPLACEMENT SWASH PLATE TYPE COMPRESSOR  
A fourth pin that slides on a rotary shaft is provided to a swash plate. A guiding surface for guiding the fourth pin is provided to the rotary shaft. The fourth pin is guided by the guiding...
US20160025080 APPARATUS INCLUDING SWASHPLATES FIXED ON SHAFT ASSEMBLY AND PISTON ASSEMBLIES  
An apparatus includes a shaft assembly and swashplates fixed on the shaft assembly facing opposite to each other. At least two double rod cylinders are configured to reciprocate parallel to the...
US20160024923 ENHANCED WASTE HEAT RECOVERY SYSTEM  
A method for improving the efficiency of an internal combustion engine changes the volume in a piston chamber of an expander device. The expander device generally operates at a fixed expander...
US20150377209 HYDRAULIC ROTARY APPARATUS  
A gap between an outer peripheral surface of a cylinder block and an inner periphery surface of a housing serves to reduce an agitation resistance of an operating oil with a simple arrangement. So...
US20150354537 Radial Piston Pump and Wind Power Generator  
To provide a radial piston pump capable of displacement control without using an electronic control valve. For achieving the above object, the radial piston pump includes: a first cam...
US20150300333 Hydraulic Rotary Machine  
A sliding layer (21) of a sintered copper alloy is formed on a sliding surface (12A) of a valve plate (12). That is, the valve plate (12) is formed of iron-based materials such as cast iron or...
US20150285232 Swash Plate Compressor  
A swash plate compressor 100 includes a swash plate 111 that rotates with a drive shaft 110, a pair of shoes 137a and 137b placed to sandwich a portion of the swash plate 111 close to a periphery...

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