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WO/2005/088129A1 |
A liquid chemical supplying machine is provided with a hollow piston (15), a bellows (12) which has a large bellows part (16) on one side of the hollow piston and a small bellows part (17) on the other side, and a cylinder tube (11) whic...
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WO/2005/088125A1 |
The high pressure pump comprises a rotatingly driven drive shaft (12) and at least one pump element (16) provided with a pump piston (20) which is at least indirectly driven by the drive shaft (12) in a lift movement and which is displac...
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WO/2005/084178A2 |
Improvements in product water throughput from a reverse osmosis (RO) membrane filter achieved by thinner feed spacers in the RO element, enhanced recovery (ratio of permeate to feed), pressure recovery of the retentate fluid pressure opp...
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WO/2005/084189A2 |
A method and apparatus for separating particles and dissolved matter from a fluid stream incorporated in an aircraft rinse system. The present invention includes a first pressure source which transports collected rinse fluid into a separ...
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WO/2005/080793A1 |
To provide a piezoelectric pump driving circuit that realizes, with low power consumption, a cooling apparatus that is small in size and light in weight, that can drive a piezoelectric pump with low noise, and that can perform a reliable...
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WO/2005/078283A1 |
The painting roller according to the invention comprises a pump (21, 48), actuated by the rolling of the roller (5) for self-supply of the paint to the roller (5) itself. In a first embodiment, the pump (21) comprises two membrane valves...
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WO/2005/078280A1 |
A feeding pump device of bulk tube continually metering type comprises: a bulk tube (1) provided with metering volume section (11), a drive mechanism (2), and an unilateral inlet valve (8) and an unilateral outlet valve (7). Said bulk tu...
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WO/2005/078279A1 |
A motor-driven pump unit using a single shaft (main shaft (4)) which serves as the rotary shaft of the pump section and also as the rotary shaft of the motor section, wherein the rotor of the motor is of a construction (IPM construction)...
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WO/2005/074508A2 |
The present invention is a method and apparatus for separating particles and dissolved matter from a fluid stream. It includes a 1st pressure source (110) which transports untreated fluid into a separator annulus (122) with a filter elem...
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WO/2005/073555A1 |
A piston type pumping apparatus comprises a vertically oriented cylinder having a top and a bottom with a first aperture. There are first and second passageways for liquid in the cylinder at the top and bottom respectively thereof. A pis...
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WO/2005/071264A1 |
Hydraulic motor arrangement comprising a hydraulic motor (1), and supply means for supplying a drive liquid to the hydraulic motor (1) to drive the hydraulic motor. The supply means comprises a first (10) and a second (20) expel reservoi...
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WO/2005/068735A1 |
An air plunger comprising an outer barrel (402), an inner barrel (401) slidably attached to the outer barrel, a unidirectional seal (407) fixed to the inner barrel and slidably engaged with the outer barrel, a plunger bell (404) attached...
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WO/2005/061889A1 |
A pump primarily for liquid paint comprising first and second pistons (19, 21) reciprocable rectilinearly in respective first and second cylinders (17, 18), said first and second pistons being moved relative to their respective pistons b...
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WO/2005/061371A1 |
An improved microprocessor-controlled dual piston-pump viscous fluid dispensing system as for dispensing uniform sealing beads and the like (as well as other types of uniform deposits), wherein the pressure throughout the fluid path is m...
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WO/2005/059360A1 |
A pump (2) comprises a cylinder (4), a piston (10), a piston rod (12), a handle (14), a sleeve (16), and at least one opening (24) in the cylinder (4). The cylinder (4) has a free end (6) and a drive end (8). The piston (10) is housed fo...
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WO/2005/053145A1 |
A circular driving element having a multilayer structure in the thickness direction where a solid electrolyte layer is sandwiched between electrode layers. A driving element assembly having two or more circular driving elements which are...
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WO2005052356A2 |
The invention relates to at least one pump element (32) comprising a pump piston (34) that is driven by a drive shaft (12) of the high-pressure pump in a lifting displacement. The pump piston (34) is supported on the drive shaft (12) by ...
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WO/2005/050014A1 |
A magnetostriction pump of simple structure capable of feeding out fluid at a high rate with high accuracy while realizing reduction in the size, the cost and the number of components. The magnetostriction pump (10) comprises a generally...
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WO/2005/050011A1 |
A circulating fluid drive force system capable of providing a sufficient drive force by circulating a specified rate of fluid (mainly water) under high pressure, capable of eliminating a problem with installation place caused due to heig...
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WO/2005/045244A1 |
The invention concerns a hydraulic motor capable of converting the energy of a pressurized fluid into reciprocating motion. The hydraulic motor is characterized in that it comprises an enclosure (100) inside of which two bellows (101, 10...
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WO/2005/042172A1 |
Disclosed is a dispenser pump (1) comprising a manually insertable pump shaft (6). Said pump shaft (6) is surrounded by at least three sleeve sections (16, 17, 18) that can be slid into each other in a telescopic manner. A return spring ...
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WO/2005/038234A1 |
An engine fuel system having a multiple number of engine cylinders and at least three pump units, but which are less in total number than the number of engine cylinders, with each pump unit having a plunger (14a, 14b, 14c) and an associa...
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WO/2005/033506A2 |
A gas compressor device (2)comprising a motor having a rotatable motor shaft (18), a rotating disk (6) attached to the motor shaft (18), and a compressor (10) comprising pistons (8), piston rods (62), cylinders (50), and the rotating dis...
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WO/2005/026543A1 |
The invention relates to a reciprocating pump comprising a drive shaft (2) that is mounted in a housing (1) and that has a freely definable and in exceptional cases sinusoidal control curve (5). A transmission element (6) that is connect...
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WO/2005/026551A1 |
A pump piston force modulator comprises a predetermined preloaded spring assembly having a spring (5), a housing (2), and a piston holder (6) holding a piston (1). The spring assembly is adapted for use in conjunction with a positive dis...
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WO/2005/024229A2 |
A sanitary pump and sanitary valve is provided employing a dual action piston for providing a constant pressure metering and delivery of fluids utilizing a drive shaft positively driven and controlled by a drive motor for sanitary applic...
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WO/2005/025033A1 |
A motor with an eccentric part, wherein an eccentric structure is provided by the entire part of the motor including a ball bearing (50) without decentering a rotating shaft (30) by joining the eccentric ball bearing (50) to the shaft po...
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WO/2005/019788A1 |
A portable hand-held device for measuring the pressure in an automobile air conditioning system includes a socket adapted to connect to a service port, an internal passage in communication with the socket, and a pressure gauge disposed i...
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WO/2005/018782A1 |
A pressure exchanger (1) and a method for pressurising a first fluid by the pressure of a second fluid wherein each fluid influences surface areas (20, 21) of a sliding member (19) individually. Due to differences in sizes of the surface...
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WO/2005/017299A2 |
A piston pump for submerging in an oil well, consisting of four pistons that, by means of a fixed interlock (105) between two opposing pistons and a cog wheel interlock (104) between these and the two other pistons, get two oncoming pist...
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WO/2005/017356A1 |
A servo driven dispensing pump is provided for dispensing a precise quantity of liquid. The dispensing pump includes an inlet for receiving a supply of liquid, an outlet for dispensing a metered amount of liquid, and a flow control valve...
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WO/2005/017354A2 |
A portable pump includes a rotating elliptical plate mounted on a rotating shaft, an elliptical plate follower with rollers or bearings positioned on the top and bottom surfaces of the rotating elliptical plate at a fixed distance from t...
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WO/2005/016411A2 |
The invention is directed to a syringe pump (10) for the controlled addition of reagents to a chemical reaction. The syringe pump (10) has a reduced size for use as a cordless, hand-held laboratory device, and includes a driving mechanis...
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WO/2005/015019A1 |
Pump device (1) for hydraulically activating a valve (2) in particular used for oil and gas exploration wherein such a valve may be a safety valve assigned to a riser or a tree, said pump device including a piston cylinder unit (3) from ...
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WO/2005/011776A1 |
A foot pedal irrigation system allows a physician or other operating person to control the flow of irrigation fluid to a diagnostic or therapeutic device without using his or her hands. The system attaches to one or more bags of irrigati...
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WO/2005/005829A1 |
The invention relates to a piston machine which is used to transport fluids. Said piston machine comprises at least one piston element (2) which can be displaced in a cylinder (10) and a drive (6) which drives a drive shaft. The drive sh...
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WO2004067962B1 |
Housing is generally tubular and split into two longitudinal hinged halves. Housing receives threads on driver. Retention and anti-rotation means retain cartridge in other end of housing. Cartridge has zero draft tubular wall, and rounds...
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WO/2005/004321A1 |
An actuator element having electrode layers with an ion exchange resin layer held therebetween, the actuator element being in the form of a film or plate, the actuator element having a widened opening formed in the outer periphery thereo...
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WO/2005/003558A1 |
The invention relates to an eccentric drive mechanism for volumetric pumps or motors, comprising the following features: a) at least one stroke member (6, 6'), which is rotationally fixed to the shaft (W) of the crank gear and has at lea...
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WO/2005/000731A2 |
This invention describes a method and apparatus for a dispenser assembly (1) suitable for dispensing reagent in an automatic system. In embodiments, the present invention may include a metering chamber (32) that accurately controls the a...
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WO/2005/001285A2 |
A diaphragm pump assembly including a control module (14) for controlling the discharge and suction strokes of the diaphragm (16). The diaphragm divides a pump chamber into pumping and a pumpage chamber. The pump control module controls ...
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WO/2004/111509A1 |
A three-way two-position poppet valve (10) comprising a housing (12) with a generally cylindrical valve chamber (14), a first (20) and a second (16) port with coaxial 1 valve seats (26, 28) at the ends of the chamber, and a third lateral...
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WO/2004/111452A1 |
The invention relates to a high-pressure pump containing a hydraulic part (2) with a hydraulic piston (22) that can be periodically displaced in a closed housing (21). Said pump comprises a compressor part (3) for a fluidic medium (W), f...
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WO/2004/111565A1 |
A portable electric motor driven air gun powered by a power source. The motor is coupled to a lead screw, which drives a piston. The piston compresses air in a chamber producing high-pressure air. When sufficient energy is stored within ...
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WO/2004/103888A2 |
A reciprocating fluid dispenser including a pump drive motor (50) which is coupled to a reciprocating fluid pump (42) to actuate a pump shaft (72) within a pump cylinder (60), wherein the pump shaft includes a duct (76) that allows fluid...
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WO/2004/099616A1 |
A fluid pump comprising a plurality of piston cylinders (1, 2, 3, 4), wherein each individual cylinder has a piston rod (5, 6, 7, 8) with a piston (9, 10, 11, 12) arranged in the cylinder and a valve housing (13, 14, 15, 16) mounted at t...
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WO/2004/097219A1 |
A cam (24) for use in a fuel pump, the fuel pump having a pump filling phase and a pump delivery phase, wherein the cam (24) comprises a cam surface (18) provided with a portion corresponding to the pump filling phase and a portion corre...
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WO/2004/090393A1 |
A valve (60) for controlling a flow of fluid to a pump is disclosed. The valve includes a first member (62) and a second member (64). The first member includes a first surface (63) and an inlet opening (70), a first opening (72), a secon...
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WO/2004/081421A2 |
Disclosed is a spring fixing structure of a reciprocating compressor. A spring fixing portion SF having an inclination surface (226) at an entrance side thereof is provided at a frame unit (200) and a mover (330) to which both end portio...
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WO/2004/079194A2 |
The invention relates to a hydraulic pump and to a hydraulic system comprising said pump. A pumping piston (21) is displaced in a pumping cylinder (20) by a drive piston (20) moved in a drive cylinder (27) by a liquid (10) having a high ...
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