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Patent Searching and Data


Matches 351 - 400 out of 10,533

Document Document Title
WO/2015/166629A1
A swash plate-type hydraulic rotary machine is provided with a first movement restriction mechanism (80) for restricting the movement of a spherical bush (8) to one axial side relative to a rotating shaft (3). The first movement restrict...  
WO/2015/162237A1
The present invention relates to a hydraulic machine comprising a casing (100), a multi-lobed cam (200), a cylinder block (300) comprising a plurality of cylinders (310), pistons (500) translationally mobile in the cylinders (310) and re...  
WO/2015/161149A1
Apparatuses, systems, and method for hydraulic pumps are disclosed. Particularly, hydraulic pumps for ophthalmic surgical procedures are disclosed. Hydraulic pumps within the scope of the disclosure may include an aspiration pump. An exa...  
WO/2015/158545A1
The invention relates to a positive fluid displacement unit (11, 12) comprising positive displacement ports (50) which are arranged in a circle and are associated with switching ports (55) which allow the passage of fluid between one of ...  
WO/2015/158477A1
The invention relates to a swash plate machine (1) as an axial piston pump (2) and/or an axial piston motor (3), comprising: a cylinder barrel (5) that is rotatably or revolvably mounted about an axis of rotation (8) and has piston bores...  
WO/2015/150047A1
A swash plate machine (1) as an axial piston pump (2) and/or axial piston motor (3), comprising a cylinder block (5) which is mounted such that it can rotate or rotates about an axis of rotation (8) and has piston bores (6); pistons (7) ...  
WO/2015/152832A1
A compressor and a method of manufacturing a compressor are disclosed. The compressor includes a housing defining a plurality of compression chambers; an elongated drive shaft extending along an axial direction through the housing; a cam...  
WO/2015/150456A1
The invention relates to a valve assembly (50) of a radial piston hydraulic apparatus (1). Said apparatus includes a cylinder block (4) insertable onto a shaft (2) by translation. Said assembly (50) includes: a valve (51) in contact with...  
WO/2015/150043A1
The invention relates to a swashplate machine (1) in the form an axial piston pump (2) and/or axial piston motor (3), comprising a cylinder drum (5) which is mounted so as to rotate or so as to be rotatable about a rotational axis (8) an...  
WO/2015/150045A1
A swash plate machine (1) as an axial piston pump (2) and/or axial piston motor (3), comprising a cylinder block (5) which is mounted such that it can rotate or rotates about an axis of rotation (8) and has piston bores (6); pistons (7) ...  
WO/2015/146264A1
A hydraulic rotary machine rotated and operated by an operating fluid supplied thereto and discharged therefrom comprises: a cylinder block to which a shaft is connected and which rotates together with the shaft; cylinders which are form...  
WO/2015/148220A1
A housing assembly (10, 110, 120, 130) for a side-by-side (SBS) piston pump may define a pump cavity (28) enclosing first and second piston pumps (20, 22) having parallel longitudinal axes (42, 44). The housing assembly (10, 110, 120, 13...  
WO/2015/147971A1
A pump/compressor includes at least one piston assembly for pumping a fluid from a fluid inlet to a fluid outlet, a housing configured to support the piston assembly, and an eccentric actuator that is enclosed within the housing. The pis...  
WO/2015/140033A1
A swashplate-type machine (1) as an axial piston pump (2) and/or axial piston motor (3), comprising a cylinder drum (5) which is mounted so as to be rotatable, or for rotation, about an axis of rotation (8) and which has piston bores (6)...  
WO/2015/140622A1
A pump control system, comprising: a motor (12) configured to drive a pump (14); a pressure relief valve (22) in fluid communication with the pump (14); a torque control valve (32) connected to a swashplate of the pump (14) and in fluid ...  
WO/2015/140116A1
The invention relates to a hydrostatic radial piston machine, in particular a hydrostatic radial piston machine for actuating a differential cylinder. According to the invention, the hydrostatic machine of radial piston design has a cont...  
WO/2015/139871A1
The pump has at least one pump element (10), which in turn has a pump piston (12) which is driven in reciprocating motion and which is guided in displaceable fashion in a cylinder bore (18) of a housing part (20) of the pump and which de...  
WO/2015/030931A3
Systems and methods for artificial lift via a downhole positive displacement pump are disclosed herein. The methods include methods of removing a wellbore liquid from a wellbore that extends within a subterranean formation and/or methods...  
WO/2015/135192A1
Disclosed is a piston motor pump, wherein a double-acting vane pump is driven by a radial piston motor. A motor cylinder sleeve (10) is eccentrically fixed to a main shaft (6) of the motor pump to rotate the same to run, and to make a hi...  
WO/2015/131911A1
The invention relates to an hydraulic motor comprising at least one camshaft comprising cams having at least one height per rotation of the shaft and a plurality of followers fully surrounding the cams, irrespective of their height. A cl...  
WO/2015/132052A1
A tappet arrangement (200) for a high pressure pump comprises a tappet body (201), a roller (202) arranged partly in the tappet body, and a fixing (203) for holding the roller (202) in the tappet body to prevent a movement of the roller ...  
WO/2015/127497A1
A linear actuator comprising a motor adapted to axially rotate a rotor shaft in alternating directions, the motor having a stator positioned co-axially around the rotor shaft with the rotor shaft being co-axially coupled to a drive mecha...  
WO/2015/128362A1
The invention relates to a plain bearing shell (2), having a substantially semicylindrical geometry, for use in a piston (50) of a radial piston engine for the purposes of mounting a roller or shaft, having an axial direction (4), a radi...  
WO/2015/103271A3
A radial piston device (100) includes: a housing (102), a pintle (110), a rotor (130), a plurality of pistons (150) and a drive shaft (190). The radial piston device also includes a mechanism for minimizing deflection or curvature of the...  
WO/2015/122205A1
The sliding end section (18) of a shoe (7) has an annular seal section (60) located so as to surround one opening of a lubricant supply hole (52) and sliding on a surface on which the annular seal section (60) is adapted to slide. The sl...  
WO/2015/120946A1
The invention relates to a piston fuel pump (18) for an internal combustion engine having a pump cylinder (40) and a pump piston (28) which can be axially displaced in the pump cylinder (40), characterized in that the piston fuel pump (1...  
WO/2015/118398A1
A servo piston assembly (10) having a servo piston body mounted within a servo piston cylinder (32). A pair of bushings (34) are mounted within each end of the servo piston body. An elongated bore (38) extends through the servo piston bo...  
WO/2015/054588A3
An electric motor driven pump assembly configuration that includes an electric motor, a hydraulic pump driven by the electric motor is provided. The hydraulic pump is driven by the electric motor to convert electrical power into hydrauli...  
WO/2015/120154A1
An axial piston device may be operated as a pump and includes a self-centering rotary valve. The device includes a stationary housing encompassing a shaft and the rotary valve. The rotary valve and the shaft are coupled to each other. Up...  
WO/2015/114124A1
A hydraulic pump assembly for a vehicle is provided, comprising an electrical motor, a hydraulic pump driven by the electrical motor, and a centrifugal regulator connected with a pressure overflow valve connected to the oil outlet of the...  
WO/2015/114061A1
Provided is an engine and pump control device (7) in which improvement effect of fuel efficiency and work efficiency can be obtained while maintaining predetermined output without performing mode switching. The engine and pump control de...  
WO/2015/112235A1
A valve body (17) has a first main channel (39), a second main channel (76) and a plurality of inlet channels (53). Each inlet channel (53) has a first opening (55) and a second opening (57) and a fluid pathway (58) extending between its...  
WO/2015/106877A1
A high pressure fuel pump (10) comprises a pump head (12) from which extends a turret (16), a blind bore (20) extends along amain axis (A) from a pumping chamber (22)then through the turret (16) until an open end (24). A piston (32) is a...  
WO/2015/102562A1
A pump including a power end (202) and a fluid end (204). A bore (214) extends through the fluid end (204). A rod (212) is disposed in the bore (214) of the fluid end (204) and extends into the power end (202). The rod (212) includes a r...  
WO/2015/103626A1
A pumping system for use in hydraulic fracturing or fracing of wells. The pumping system is generally self-contained on a transportable system, such as a trailer. The weight and configuration of the trailer mast be sized to be hauled leg...  
WO/2015/091264A1
A pump unit for feeding fuel, preferably, diesel fuel, to an internal combustion engine; the pump unit (1) comprising a head (5) inside which a cylinder (6) extending along an axis (Al) is formed; a pumping piston (7) extending along the...  
WO/2015/090311A1
The invention relates to a variable displacement pump having two connections for supplying and withdrawing a volume flow guided by said variable displacement pump. The invention is characterized in that said variable displacement pump co...  
WO/2015/091188A1
A hydrostatic radial piston pump is disclosed, the swept volume/piston units of which are hydraulically connected to one another in pairs and are divided here between a first rotor section and a second rotor section. In one specific embo...  
WO/2015/086264A1
The invention relates to a hydraulic hybrid system (1) for a motor vehicle having an internal combustion engine (18), said system comprising: a hydraulic high-pressure motor (3, 4) as a hydraulic machine (3, 4) for converting hydraulic e...  
WO/2015/086336A1
The invention relates to a swashplate-type machine (1), comprising working pistons (7), which are guided so as to be movable back and forth in a substantially axial direction in piston bores (6) of a cylinder drum (5), and comprising a p...  
WO/2015/086266A1
A swashplate-type machine (1) as an axial piston pump (2) and/or axial piston motor (3), comprising a cylinder drum (5) which is mounted so as to be rotatable, and/or for rotation, about an axis of rotation (8) and which has piston bores...  
WO/2015/086260A1
The invention relates to a swashplate machine (1) as an axial piston pump (2) and/or axial piston motor (3), comprising a cylinder drum (5), which is supported in such a way that the cylinder drum can be rotated or rotates about an axis ...  
WO/2015/086337A1
The invention relates to a swashplate machine (1), comprising working pistons (7) which are guided with back and forth mobility in a substantially axial direction in piston bores (6) of a cylinder block (5), and a pivoting cradle (14) wh...  
WO/2015/085089A1
A wobble plate device comprises a frame that supports a drive shaft and a wobble plate mounted at an oblique angle to an axis of rotation of the drive shaft. Moreover, the device comprises a riding shaft suspended by the frame spaced fro...  
WO/2015/080763A1
A multi-piston motor/pump is disclosed particularly useful for air motor applications incorporating a cylinder block having a plurality of radially extending pistons and cylinders. Each cylinder is provided with a bronze insert at the to...  
WO/2015/051784A3
The present invention relates to a turbomachine (1) that can be operated both as a motor and as a pump, having an axially fixedly mounted shaft, comprising a power section with rotating inlet and outlet (2) and an associated controller (...  
WO/2015/075447A1
There is provided an assay fluid delivery system comprising an array of fluid reservoirs (62), each of which is selectively actuatable to deliver a respective fluid to a fluid channel structure; and a fluid delivery control system (50) c...  
WO/2015/076716A1
Pump/motor (1) comprised of at least one housing, block (3) or the like comprised of at least three cylinder/piston units (7), each comprised of at least one cylinder (8) and at least one piston (9) connected to the at least one cam roll...  
WO/2015/071503A1
The invention relates to a pump comprising: a housing (1); a drum (2) having cylinders in which pistons (3) are mounted, which pistons are supported by supporting shoes (32) on a fixed inclined plate (4); and first and second fluid-distr...  
WO/2015/071405A1
The invention relates to a fuel injection pump for an internal combustion engine, having a precompressor stage (100a) and a downstream main precompressor stage (100b), characterised in that the precompressor stage (100a) and the main pre...  

Matches 351 - 400 out of 10,533