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Matches 1 - 50 out of 1,850

Document Document Title
WO/2018/091306A1
During the operation of a piston pump having a cylinder (2), which encloses a cylinder volume, and having a piston (1), which is movable back and forth in the cylinder so as to generate a decompression phase and a compression phase in or...  
WO/2018/089524A1
An apparatus and method provide for a hybrid pulsation dampener. The hybrid pulsation dampener includes an inlet, a flow-through reactive dampener, a gas charged pulsation dampener, and an outlet. The inlet receives a fluid. The flow-thr...  
WO/2018/087376A1
The present invention relates to a volumetric pump that comprises an inlet section and an outlet section. The pump also comprises a first volume with variable geometry that is connected through a first suction valve to said inlet section...  
WO/2018/066995A1
The invention relates to a pump for the application of fluids, which comprises: a piston in which the head (3) of the plunger (1) is surrounded by two packing rings (4) separated from one another to form a channel (5), where a lubricant ...  
WO/2018/052398A1
A monitoring system for a plurality of pressure pumps may include, for each pump, a strain gauge, a position sensor and a pressure transducer. A strain gauge may be positionable on each pump to generate a strain measurement corresponding...  
WO/2018/047396A1
This non-pulsating pump (100) has a rotary cam (15) which converts a rotary motion of a servomotor (11) into a reciprocating motion and through which first and second pumps (20, 40) are driven with a phase difference of 180°, and includ...  
WO/2018/042746A1
A non-pulsation pump (100) is provided with: a cam mechanism (16) that converts the rotational motion of a shared motor (11) into reciprocal motion having a prescribed phase difference; a plurality of cross heads (28, 48) that make recip...  
WO/2018/044857A1
A system for pumping high-pressure cryogenic fuel comprises: a plurality of linear pumps (22) each including an upper power end (30) and a lower fluid end (32), the power end having a linear-actuated drive system terminating in a drive s...  
WO/2017/216142A1
A pumping assembly to feed fuel, preferably diesel fuel, to an internal combustion engine has at least one cylinder (14), a piston (15) engaged slidingly in the cylinder (14), and a delivery valve (30) for selectively controlling the fee...  
WO/2017/213886A1
An accumulator assembly for a pump system at a well site is arranged to fluidically connect to a flow line between a blender and a fracturing pump of the pump system. The accumulator assembly includes a pressurizable tank configured to c...  
WO/2017/210492A1
Presented herein are systems and methods for attenuating certain pulsations in a hydraulic system comprising a pump and a hydraulic actuator. In certain aspects, an accumulator comprising an internal volume that is divided into a working...  
WO/2017/193037A1
Modular mechanically driven diaphragm pump features are presented herein. Such a diaphragm pump can include a motor, a drive mechanism, and a coupling mounted on a wheeled frame. A diaphragm pump can be mounted to the coupling by forming...  
WO/2017/157554A1
The invention relates to a high-pressure pump, having a pump housing (2), on which a pump cylinder head (4) having a a pump cylinder (3) is arranged, wherein a pump push rod (26) is arranged in a pump cylinder guide (27) of the pump cyli...  
WO/2017/125802A1
An active surge chamber for use in a paint supply system comprising a paint channel, a fluid chamber connected to a pressurised fluid supply, a diaphragm, a spring, and means responsive to movement of the diaphragm for effecting connecti...  
WO/2017/123656A3
Disclosed are embodiments of a pumping system with connectable and disconnectable pumping assemblies. The pumping assemblies can include transmissions between the power end and fluid end, wherein the transmission can include a cam assemb...  
WO/2017/116651A1
An embodiment of a system with a minute measure of pulsatility in a flow of a fluid is described that comprises a first pump configured to flow the fluid to a junction at a first flow rate that comprises a measure of pulsatility; and a s...  
WO/2017/108176A1
The invention relates to a blood treatment device, having at least one dosing line, which leads into a liquid circuit, wherein a conveying module is arranged in the dosing line, which conveying module comprises a diaphragm pump and a val...  
WO/2017/089586A1
A radial piston pump (10), which has an extraordinary noiselessness, includes a housing (11), a cylinder block (12) in the housing (11), a plurality of cylinders (13) radially arranged in the cylinder block (12), a corresponding pluralit...  
WO/2017/089579A1
An axial piston pump (10), which has an extraordinary noiselessness, includes a housing (11), a cylinder block (12) in the housing (11), a plurality of cylinders (13) arranged around an axis of the cylinder block (12), a corresponding pl...  
WO/2017/059988A1
Diaphragm cell (76) for damping pressure pulsations in a low-pressure range (11) of a piston pump (28), wherein the diaphragm cell (76) has two diaphragms (76a, 76b), which are connected to one another along their radial peripheries (764...  
WO/2017/055109A1
There is provided a pressure oscillation damper in order to reduce the level of the pressure oscillations by the use of for a fluid extraction system. The pressure oscillation damper comprises a wall enclosing a main volume, at least two...  
WO/2017/055994A1
A compensating device for volumetric pumps, comprising: a storage tank (2) predisposed for being connected to the delivery line (O) of a pump (P) and to a source of pressurized gas (A); a control valve (3) arranged for opening or closing...  
WO/2017/042174A1
According to a first aspect of the present invention there is provided a fuel pump housing for use in a fuel pump of a common rail fuel injection system in a vehicle engine, the fuel pump housing comprising a pumping chamber and a drilli...  
WO/2017/040921A1
Disclosed is a pump management system configured to manage operation of a plurality of positive displacement pumps. The pump management system manages operation of the plurality of positive displacement pumps to substantially maintain no...  
WO/2017/032962A1
A pump is described comprising first and second chambers each having an inlet and an outlet. The inlet of each chamber is selectively in fluid communication with an inlet line and the outlet of each chamber is selectively in fluid commun...  
WO/2017/027424A1
A method of dispensing a continuous fluid flow is described, the method includes: (i) filling a first cylinder chamber, having a first predefined volume, with fluid received through a first manifold from a first fluid inlet; (ii) dispens...  
WO/2017/021769A1
A damper device is provided in a flow passage of a fluid. The damper device includes a plurality of diaphragm dampers (36) that are stacked together. Each of the plurality of diaphragm dampers (36) includes a first flexible portion, a se...  
WO/2016/182873A1
A fluid working system such as a pump for displacing a working fluid such as hydraulic fluid or a motor using a working fluid is provided. The system may have a positive displacement machine which includes one or more working chamber wit...  
WO/2016/178903A1
Embodiments of the disclosure provide a fluid end with a modular intake manifold for use in a pressurized fluid delivery system having two or more modules. According to one embodiment, an intake manifold for a modular multiplex pump incl...  
WO/2016/112445A1
Fluid attenuator systems and methods for attenuating fluid ripple waves within a main fluid line, for instance a main hydraulic fluid line of an aircraft hydraulic system. At least one attenuator branch conduit (22, 24, 26) may be provid...  
WO/2016/087094A1
The invention relates to a pressure variation damper (11) for a slip-controlled hydraulic vehicle brake system that includes a piston pump as a hydraulic pump. The pressure variation damper (11) comprises a tubular damper element (14) in...  
WO/2016/078812A1
Disclosed is an axial piston machine (100) for operation as a pump and/or motor, comprising a housing (10), a connection plate (20) connected to the housing (10), and a piston drum (30) that is arranged on a rotatable drive shaft (40) in...  
WO/2016/078811A1
The invention relates to an axial piston machine (100) for operation as a pump and/or motor, comprising a housing (10), a connection plate (20) connected to the housing (10), and a piston drum (30) that is arranged on a rotatable drive s...  
WO/2016/055261A1
The invention relates to a fluid pump, in particular for supplying fluid and regulating pressure in a fluid circuit of a slip-controllable vehicle brake system. Fluid pumps of this type have a working chamber, arranged between an inlet (...  
WO/2016/045841A1
The invention relates to a pumping device (1) - comprising a working chamber (3) which is delimited in part by a pump housing (4) and inside which a piston (2) can move along an axial direction (A), - further comprising a first fluid lin...  
WO/2016/045843A1
The invention relates to a pumping device (1), especially an axial piston pump, for a waste heat recovery apparatus, comprising a working chamber (3) which is delimited in part by a pump housing (4) and inside which a piston (2) is arran...  
WO/2016/041821A1
The invention relates to a reciprocating pump (1), having a step piston (4) and intended as hydraulic pump of a slip-controlled vehicle braking system . According to the invention, a piston step (8) of the step piston (4) delimits a step...  
WO/2015/197486A1
The invention relates to a device and to a method for damping pressure fluctuations in a delivery line (14) of a piston thick-matter pump (10), comprising at least one container (16), which communicates with the delivery line and is at l...  
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/2015/140033A1
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/2015/143058A1
An apparatus includes a syringe housing and a plunger slidably received within the syringe housing between a first position and a second position. The plunger has a substantially opaque portion and a substantially translucent portion. A ...  
WO/2015/121402A1
A pumping system for compressible fluids comprises a first pump (20) having a first pump outlet (21) and a second pump (30) having a second pump outlet (31), wherein the first pump outlet (21) and the second pump outlet (31) merge in a j...  
WO/2015/106876A1
A fuel pump (18) comprises a fixed body (30) and a camshaft (36) cooperating with a piston slidably guided within a bore. The camshaft (36) is adapted to rotate and reciprocally actuate the piston inside the bore in order to pressurize f...  
WO/2015/090702A3
The invention relates to an axial piston machine (100) for pump and/or motor operation, comprising a housing (10), a connection plate (20) connected to the housing (10), and a piston drum (30) arranged in the housing (10) on a rotatable ...  
WO/2015/049021A1
A delivery device, with a delivery piston (27) which is movable in a pump chamber (31) by means of an actuation device (3) and which, in one delivery direction, removes fluid from a fluid line (35) in a pressure-reducing manner and, in a...  
WO/2015/044258A1
The invention relates to a damper for a high-pressure pump (101) having: - a housing (102), and - a cover (103) which can be coupled to the housing (102) in order to form a damping space (104). The cover (103) has an elevation (105), and...  
WO/2015/040360A1
A hydraulic transmission comprising a variable displacement pump and motor, at least one of which has cylinders having valves which are controllable on each cycle of cylinder working volume to determine the net displacement of working fl...  
WO/2015/010856A1
A high pressure fuel pump unit (10) having a pump head (12) wherein an inlet channel (42) opens into a low-pressure chamber (40) itself in fluid communication with a compression chamber (16). A valve (20) is arranged so that when it is c...  
WO/2015/011545A1
A pulsation damper (20) includes a first diaphragm (21) and a second diaphragm (22) having a first pressure-receiving film portion (21a) and a second pressure-receiving film portion (22a) and defining a gas chamber (23) between the first...  

Matches 1 - 50 out of 1,850