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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 (...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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)...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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WO/2015/010117A1 |
A tri-chamber nutating pump (120) is disclosed which includes two pump chambers (142,144) disposed within a pump housing (121) that accommodates a nutating piston (110). A reciprocating compensating piston (209) is also provided with its...
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WO/2014/206608A1 |
A high pressure pump (1) which serves, in particular, for fuel injection systems of internal combustion engines comprises a low pressure chamber (4) which is configured as a propulsion chamber (4) and a drive (5) which is arranged at lea...
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WO/2014/206607A1 |
The invention relates to a high-pressure pump (1) which serves in particular for fuel injection systems of internal combustion engines, comprising a low pressure chamber (4) configured as a power unit chamber (4) and a drive (5) which is...
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WO/2014/191242A1 |
The invention relates to a method for damping pressure pulsations, wherein a liquid product is conducted via a feed section (1), a bypass valve (3, 28), and an outlet section (2) during a production process. A first rising pipe (4) branc...
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WO/2014/151420A2 |
A pumping system includes an output conduit associated with an output of a positive displacement pump, a first sensor configured to measure a fluid flow characteristic (FFC) within the output conduit, a second sensor configured to measur...
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WO/2014/147465A1 |
A dispensing apparatus for dispensing a pressurised fluid product (5) has a supply part (2) for supplying the pressurised fluid product, a depositor part (3) selectively to adopt an open state for fluid communication with the supply part...
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WO/2014/122282A1 |
A pulsation damper (302a; 302b) configured to reduce pressure peaks in a pipe system. The pulsation damper (302a; 302b) comprises an elastic pipe section (308a; 308b) arranged to be in a small volume state or a large volume state. A firs...
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WO/2014/122283A1 |
A pulsation damper (302a; 302b) configured to reduce pressure peaks in a pipe system. The pulsation damper (302a; 302b) comprises an elastic pipe section (308a; 308b) arranged to be in a small volume state or a large volume state. A firs...
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WO/2014/122286A1 |
A pulsation damper (702) configured to reduce pressure variations in a pipe system. The pulsation damper (702) comprises a first pipe section (704) and a second pipe section (706). The first pipe section (704) is at least partly placed i...
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WO/2014/118479A1 |
The invention concerns an hydraulic motor pump (1) having a fixed or variable cylinder capacity and comprising a central motor pump rotor (3) which accommodates an hydraulic cylinder (14), the rotor (3) being in sealed contact with an in...
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WO/2014/097075A1 |
A high-pressure homogenizer, comprising: a plurality of pumping pistons (2a, 2b), for feeding a liquid to be homogenized toward a manifold (6), each piston being associated with a respective oil hydraulic cylinder; a homogenizing valve p...
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WO/2014/088879A1 |
A method includes driving a fluid pumping unit having a plurality of pumping cylinders via a plurality of hydraulic cylinders respectively of a hydraulic power unit. The method further includes controlling activation of the hydraulic pow...
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WO/2014/059480A1 |
A vehicle for line marking, having a steering mechanism (10) including: a directional wheel (5) that pivots about a steering shaft (12) coupled to a steering actuator (13); a control actuator (21) responsive to a steering wheel (22); and...
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WO/2014/060734A1 |
A gas spring accumulator comprising:- a housing (2, 3) provided with an inlet (20); and - a flexible diaphragm (4) dividing the interior of the housing into a working chamber (7) which is exposed to system pressure via the inlet, and a g...
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WO/2014/056724A1 |
The invention relates to a piston membrane pump (100), comprising an intake line (19, 20) for intaking the medium which is to be displaced. A dynamic volume storage element (31) is provided in said intake line (19, 20).
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WO/2014/048975A1 |
A suspension system for use in a vehicle, the system comprises pneumatic springs for adjusting the ride height of a vehicle. The pneumatic springs are coupled to a compressor for compressing air to actuate the pneumatic springs. The pneu...
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WO/2014/040727A1 |
The invention describes a high-pressure syringe pump system for use in the field of HPLC, UHPLC, micro-HPLC and nano-HPLC in gradient operation. The different solvents are compressed independently by passive non-return valves, the solven...
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WO/2014/035647A1 |
Fluid delivery system comprising a syringe-like injector (332) for injecting a fluid through a delivery catheter (334), the system comprising a fluid dampening chamber or fluid accumulator (330a, 330b) being connected between the injecto...
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WO/2014/029457A1 |
The invention relates to a device for providing fluids under a specifiable pressure, comprising at least one pump (23) which supplies said fluid from a fluid reservoir (5) to a corresponding consumer (1) in a pressurized manner. The inve...
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WO/2014/001142A1 |
Hydraulic displacement machine having a plurality of displacement chambers, wherein the displacement chambers are filled with and emptied of pressure fluid via a respective control opening during operation. For this purpose, the control ...
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WO/2013/068210A1 |
Disclosed is a hydrostatic piston engine, in particular an axial piston machine. Such a hydrostatic piston engine has a rotating cylinder part comprising multiple cylinder chambers in which pistons are arranged that perform a reciprocati...
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WO/2013/068213A1 |
Hydrostatic piston engine, in particular axial piston machine, comprising a rotating cylinder drum (25) that has multiple cylinder chambers (26) in which pistons are arranged that perform a reciprocating movement during operation. During...
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WO/2013/068211A1 |
Disclosed is a hydrostatic piston engine, in particular an axial piston machine. Such a hydrostatic piston engine has a rotating cylinder part comprising multiple cylinder chambers in which pistons are arranged that perform a reciprocati...
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WO/2013/060576A1 |
A hydrostatic piston machine, in particular an axial piston machine, is disclosed which has a plurality of piston spaces, in which pistons perform a reciprocating movement. Here, a respective piston space can be connected alternately via...
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