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WO/2011/095280A2 |
The invention relates to an axial piston engine having a relief area controllable on the basis of the mode of operation.
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WO/2011/092319A2 |
An internal combustion engine has a fuel supply system which has a fuel pump driving mechanism that limits the relative motion between a part of the mechanism contacting a plunger of the pump and the plunger.
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WO/2011/092312A1 |
The present invention relates to a subassembly for forming a hydraulic motor after assembly onto an assembly including a shaft (400), said subassembly including a cover (100) forming a housing element, a multilobe cam (200), a cylinder b...
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WO/2011/091937A1 |
The invention relates to a fuel injection system of an internal combustion engine, comprising a high-pressure pump. A high-pressure outlet (4) of the high-pressure pump is connected to a high-pressure accumulator (23) that has at least o...
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WO/2011/088954A1 |
The invention relates to a high-pressure pump (1) for a fuel injection device of an internal combustion engine, comprising at least one pump element (4) having a pump piston (5) that is arranged in a pump working chamber (11) and is driv...
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WO/2011/087576A2 |
A hydraulic machine includes a support structure and a rotating group rotatably mounted relative to the support structure. The rotating group includes a shaft and a cylinder barrel with a plurality of circumferentially spaced cylinder bo...
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WO/2011/082890A2 |
The invention relates to a method for determining the displacement of a radial piston machine (1) having adjustable eccentricity e, having cylinders (2) arranged in a pivoting manner and having a drive shaft driving an eccentric (5), whe...
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WO/2011/083901A1 |
The present invention relates to a sealing-type reciprocating compressor, and more particularly, to a sealing-type reciprocating compressor which maximizes compressing efficiency, minimizes fluctuation during suction and compression, and...
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WO/2011/079983A1 |
In a piston pump (10) comprising a piston (16), a sealing element (32; 48) sealing the piston (16) radially with respect to a cylinder (14), and an inlet valve (18) arranged on the piston (16), the inlet valve being designed with a valve...
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WO/2011/076526A1 |
A system (1) for feeding fuel from a tank (2) to an internal combustion engine (3) has: - an electrically actuated pre-feed variable-flow electric pump (9); - a high-pressure piston pump (10) having a pump casing (15) and piston movement...
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WO/2011/072913A2 |
The invention relates to a high-pressure pump for the fuel injection system of an internal combustion engine, comprising a pump housing (1) in which at least one tappet (5), which can be moved axially in a pump cylinder (4), can be moved...
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WO/2011/070019A1 |
A hydrostatic radial piston machine has: a radial cylinder piston block (9) with cylinder bores (11) which emanate from an outer circumferential surface of the radial cylinder piston block, extend into the interior of the latter and are ...
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WO/2011/069494A2 |
The invention relates to an infusion pump (10) for continuously conveying a fluid, comprising an inlet (20), an outlet (30), a first piston (40) movably supported in a first chamber (50), and a second piston (60) movably supported in a s...
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WO/2011/070244A2 |
The invention relates to a water treatment facility comprising a water filtration module (15), a pump (27, 32) comprising a pumping module, a motor (10, 40), and a system for driving the pump by means of the motor. The pumping module com...
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WO/2011/064019A2 |
According to the invention, a support ring (12) of a sealing ring (11) of a piston pump of a slip-controlled vehicle brake system is designed with longitudinal grooves (14) in order prevent a pressure build-up between the sealing ring (1...
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WO/2011/064044A1 |
The invention relates to a roller tappet (1) for a high pressure fuel pump, having a housing (2) in which a friction bearing mounted roll (4) serving as a run-up of a cam is immanent in the drive-side face (3) thereof, wherein the housin...
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WO/2011/054948A1 |
A housing (30) for use in high pressure fluid applications comprising a first drilling (32a, 32b), defining a first axis, and having a region of enlarged diameter (32b) bounded by an upper boundary (36) in a first plane and a lower bound...
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WO/2011/052512A1 |
Provided is an axial piston hydraulic rotating machine wherein the stability of a piston shoe is high. A circular internal static pressure pocket (23) which communicates with a fill opening (9A), an inner peripheral land portion (22) for...
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WO/2011/048456A1 |
In a fuel pump that includes a pump housing (10) that has fuel passages (Ha, 11b), a plunger (17) that is movably housed in the pump housing (10), a fuel pressurizing chamber (15) that is formed in the pump housing (10) and draws in fuel...
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WO/2011/047785A1 |
The invention relates to a compressor system (1) for cryogenic media, comprising an oscillating piston-type compressor (3) driven by a drive motor (4), wherein the drive motor (4) is arranged together with the compressor (3) in a pressur...
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WO/2011/043722A1 |
A system for distributing torque between front and rear axles of an all wheel drive vehicle and/or between left and right wheels of a two or four wheel drive vehicle comprises at least one limited slip coupling (7) having a disc package ...
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WO/2011/042098A1 |
The invention relates to an adjustable axial piston machine having a housing (1), a pivot cradle and a bearing shell (2) which is arranged between the housing (1) and the pivot cradle. The bearing shell comprises a bearing section (21) i...
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WO/2011/039115A1 |
The invention relates to a pump for a high-pressure cleaning unit for delivering a cleaning liquid having at least one pump chamber, into which at least one piston which can be moved to and fro dips and which is connected to a suction li...
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WO/2011/034657A2 |
A supercharged internal combustion engine including a pressurized fluid outlet, the engine comprising a two-ended piston, with one end received in a combustion chamber, and another end received in a hydraulic chamber. The piston further ...
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WO/2011/029830A1 |
The invention relates to an axial piston machine having a cylinder block in which a plurality of pistons (10) are adjustably arranged in the axial direction about a central axis in corresponding bores, wherein each piston (10) is support...
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WO/2011/029649A1 |
A pump assembly for an internal combustion engine comprising a pump housing (40), at least one pumping arrangement having a pumping plunger (56, 58) for pressurising fluid within a pump chamber; a drive shaft (46) carrying a cam (48) and...
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WO/2011/023022A1 |
A high-pressure oil-free plunger pump has a pump body (20) and a pump head (10) mounted on the pump body (20). A plunger boosting structure driven by a pump main shaft (40) is mounted in the pump body (20), and includes at least two conn...
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WO/2011/020635A1 |
The invention relates to a high-pressure fuel pump of an internal combustion engine, comprising a pump housing, in which a drive shaft (2) having a cam or eccentric drive (3) is received and rotatably mounted about a longitudinal drive s...
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WO/2011/018660A1 |
The present invention provides a fluid system (99) comprising a source of hydraulic fluid under pressure (100) for supplying a hydraulic fluid consumer (103) together with a valve passing fluid between said source and said fluid consumer...
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WO/2011/018389A1 |
The invention relates to a high pressure pump (1), in particular serving as a radial or reciprocating pump for fuel injection systems of air-compressing, self-igniting internal combustion engines, comprising a pump assembly (6) and a dri...
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WO/2011/015677A1 |
Hydraulic pumping system of variable flow per revolution, comprising a series of hydraulic cylinders (1), each of which features two tubes arranged in sliding coupling with a spring biased to extend the sliding assembly having attached s...
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WO/2011/011221A2 |
A reciprocating compressor includes a first cylinder and a second cylinder, first and second suction cutoff unloader valve assemblies, and a controller. The first and second suction cutoff unloader valve assemblies are integral to the co...
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WO/2011/009699A1 |
A high-pressure piston pump (1) for supplying fuel, preferably diesel, to an internal-combustion engine has a pump casing (2); a first piston (4) and a second piston (4) movable along a first axis (A1) and a second axis (A2), respectivel...
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WO/2011/005367A2 |
A reciprocating compressor includes a cylinder block, a cylinder head, and a bypass unloader valve assembly. The cylinder block has a cylinder disposed therein. The cylinder head is secured to the cylinder block overlying the cylinder an...
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WO/2011/003657A1 |
The invention relates to a high-pressure fuel pump for a fuel injection system of an internal combustion engine, comprising a pump housing (2) and at least two pump elements, each of which comprises a piston (11, 12) that can be moved ba...
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WO/2011/003821A1 |
The invention relates to the use of at least one single or multi-row ball roller bearing (1) in a high-pressure pump (5) of a common rail injection system.
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WO/2011/000602A1 |
The invention relates to a multi-piston pump (1) as a return pump for a hydraulic vehicle brake system. According to the invention, the multi-piston pump is configured to comprise two pump pistons (2) that are phase-shifted by 90 degrees...
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WO/2011/002320A1 |
A mechanism for converting between linear reciprocating piston motion and rotary motion of a z-shaft (2) via a wobble member (6) comprises a resiliently flexible torque restraint member (20) coupled between the wobble member and a casing...
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WO/2011/000598A1 |
The invention relates to a high-pressure pump (1) for a fuel injection device of an internal combustion engine, which has a pump element (6) with a pump piston (7) which, by means of an eccentric (21) provided on a rotatably mounted driv...
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WO/2010/139663A1 |
Cam follower roller device, notably for an internal combustion engine fuel injection pump, comprising a tappet (12) and a roller (14) mounted to rotate on the tappet and intended to press against a cam. The tappet (12) comprises a roller...
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WO/2010/138510A2 |
A compressor (20), as well as a lightweight and strong casting (22) for a compressor (20), are disclosed. The compressor (20), which may be a reciprocating compressor (20) for use in compressing high-pressure refrigerants such as CO2, in...
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WO/2010/138511A2 |
Reciprocating compressors (10) are disclosed that provide enhanced wear characteristics for wrist pins (16) and connecting rods (13) with small pistons (15) such as reciprocating compressors (10) for higher pressure working fluids like C...
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WO/2010/130498A1 |
The invention relates to a high-pressure fuel pump of an internal combustion engine having a housing (1) in which a drive shaft (2) and at least one pump element (3) are mounted, the at least one pump element comprising a pump plunger (4...
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WO/2010/130496A1 |
A plug-in pump (1), which serves in particular for use in fuel injection systems of air-compressing, auto-ignition internal combustion engines, has at least one cylinder head (3) which holds at least one pump assembly (13). Here, the cyl...
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WO/2010/130502A1 |
A valve unit (10) for controlling the supply and delivery of fuel to and from a compression chamber (7) of a high-pressure piston pump (1) has a valve body (18); a first check valve (19) having a first valve seat (21) which extends along...
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WO/2010/127899A1 |
A lubricating circuit of a high-pressure common rail pump (3) comprises: a support seat (24) for a portion (20b) of a shaft (20) of a high-pressure common rail pump (3), formed in a pump body (9) of the high-pressure common rail pump (3)...
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WO/2010/124900A2 |
A polygonal ring (10) for driving a piston pump has an annular body (14) which extends around a given axis (A) and has a cylindrical internal surface (15) which extends around the axis (A); three planar external surfaces (16), each of wh...
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WO/2010/122951A1 |
A hydraulic drive device (100) comprises a variable displacement main piston pump (20) and a variable displacement sub piston pump (50) which are rotationally driven through a common drive shaft (25, 55). The hydraulic drive device (100)...
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WO/2010/121857A1 |
A high-pressure pump (1), in particular serving as a radial piston pump or in-line piston pump for fuel injection systems of air-compressing auto-ignition internal combustion engines, has a pump assembly (13) and a driving shaft (6). The...
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WO/2010/121686A1 |
The invention relates to a device for measuring a set swept volume of a hydrostatic piston machine (1). The device has an actuating element (4) for generating an actuating movement, and a sensor (6) for measuring a position of the actuat...
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