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WO/2002/081867A1 |
An ultrasonic pump (1) in which a medium is pumped by the interaction between longitudinal acoustic waves and the medium in a flow-chamber (12). The pump comprises a transducer (6) and an associated chamber for providing a controllable, ...
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WO/2002/079662A1 |
A drive system is provided for coupling a clutch assembly with a pump assembly that provides fluid power to cool, lubricate and control the operation of the clutch. The drive system comprises a drive coupling rotatably supported on an in...
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WO/2002/075105A1 |
The invention discloses a pumping unit comprising a support frame (11), a linear electric motor for driving the unit having a runner (7) and six stators (9), two chains (3, 6), two wheels (4, 5) and a weight (7). The support frame (11), ...
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WO/2002/073775A1 |
An electric motor driven hydraulic pump (1, 2) in which an internal rotor (9) is rotatable relative to an external stator has a non-magnetic sleeve which is provided for sealing a chamber in which the rotor (9) is located, the non-magnet...
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WO/2002/070887A1 |
A heat engine has a region within which a working fluid travels and an hydraulic fluid provided in a reservoir and the output from the heat engine drives the movement of the hydraulic fluid.
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WO/2002/068788A2 |
A well pumping unit (30) includes support (11), linear motor (25) having primary motor complex (8) and secondary motor complex (9), polished rod chain (3), polished chain wheel assembly (4), bottom support chain wheel (10), counterweight...
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WO/2002/066834A1 |
An actuator device for force-feeding air, comprising two diaphragms (8, 9) opposed to each other, voice coils (6, 7) installed on the surfaces of the diaphragms (8, 9), a magnet (2) formed integrally with pole pieces (3, 4), a yoke (5) o...
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WO/2002/060734A1 |
The invention relates to a unit for an electronically regulated braking system, comprising a motor (2) which drives a pump (21) via a shaft (3, 4), said pump being disposed in a valve block or pump block (1) and used to transport hydraul...
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WO2001001025A9 |
A method of fabricating an elastomeric structure, comprising : forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending alo...
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WO/2002/057125A1 |
Despite the axial sandwich assembly of the motor housing (1), pump housing (2) and electronics housing (3), it is possible by using simple manufacturing and assembly techniques to provide a plug connection, which is free from distortions...
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WO/2002/057124A1 |
The aim of the invention, despite an axial sandwich structure of a motor housing (1), pump housing (2) and electronics housing (3), is to produce in a simple production and installation process a plug-in connection comprising power suppl...
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WO/2002/053880A2 |
A valve manifold (54) controls hydraulic flow in a hydraulic system for an air compressor unit. The manifold (54) includes a pressure relief valve (1), a cold oil bypass valve (2), a proportional flow valve (3), and an anti-cavitation va...
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WO/2002/052151A2 |
The linear pump (10, 110) includes a housing (12, 112) and either two (20, 22) or one (120) flexible bladders each within a pump housing and interconnected to respective end caps (30, 32, 130, 132, 134, 136). Upon movement of a movable e...
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WO/2002/047947A1 |
The invention relates to a subassembly (1), in particular a braking subassembly of an electronically controlled motor vehicle braking system. Said subassembly comprises a motor (2) with a housing (7), a hydraulic block (4) and motor elec...
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WO/2002/037645A1 |
A small-sized motor (1) which can ensure a high reliability against grease leaking from an output-side bearing and oil flowing in from an associated device, and which has a wall (14) provided on a bracket (10) and having a constant gap a...
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WO/2002/033259A1 |
An electromagnetic drive type plunger pump of non-energizing feed-out type, comprising a cylinder (10), a plunger (20), a magnetic circuit exerting a chevron-shaped thrust, and a feed-out spring (50) exerting an energizing force on the p...
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WO/2002/033410A2 |
A structure and method for chemical sensing utilizing microassays. Microcavities or micropores are combined with assay techniques to provide a very fast and very sensitive means of detecting chemical compounds. Assay techniques are modif...
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WO/2002/023699A2 |
Hydraulic drive systems require compact, efficient motor-pump aggregates. These requirements are met by integrating, as far as possible, an electromotor and one or more pumps into one device. This does however present this problem that o...
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WO/2002/020991A1 |
An electric oil pump controller capable of prolong the service life and avoiding the increase of the size of an electric oil pump used as an auxiliary pump for a main pump by suppressing the deterioration thereof, wherein the electric oi...
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WO/2002/009991A1 |
The invention relates to a pump aggregate (10) for a hydraulic vehicle braking system with a slip control device. The pump aggregate (10) has an electromotor (12) and a radial piston pump (14) which can be driven with the electromotor (1...
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WO/2002/010590A1 |
A resonator pump system (10) includes a resonating structure (14) configured for resonating, and a fluid pump (18) coupled to and driven by the resonating structure. An energy source (60) is operatively coupled to the resonating structur...
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WO/2002/007503A1 |
An apparatus and method for micropumping is disclosed. The apparatus (100) comprises a virtual or physical microchannel (106) and at least two hydrophobic electrode patches (104A-104G) on a surface (102) or two electrode patches disposed...
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WO/2002/006670A1 |
The invention relates to a dosing pump comprising a chamber, an inlet valve located in an inlet pertaining to said chamber, and an outlet valve located in an outlet pertaining to said chamber. The chamber is divided into two partial cham...
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WO/2002/007292A2 |
An electrohydrodynamic (EHD) conduction pump is provided for pumping dielectric liquids, and a particular adaptation for mass transport of isothermal and non-isothermal single phase liquids. The EHD conduction pump does not require direc...
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WO/2002/004813A1 |
A water supply for lifting water by a motor pump driven by power converted by an inverter from the output power of a solar battery is characterized in that the motor for driving the motor pump is a DC brushless motor having no sensor for...
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WO/2002/002946A1 |
The invention relates to a peristaltic pump (6) for pumping viscous media, and comprises a housing (6A, 6B) having a wall (12) against which a hose (25) is placed, a shaft (7) that is centrally positioned in the housing and that carries ...
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WO/2001/096708A1 |
A system for pumping water from a well (32) drilled into an underground water source (44) that is operable in association with the windmill (10) having a tower frame (14), a wind driven turbine (12), and a reciprocating pump shaft (16) o...
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WO/2001/094177A1 |
A wheel kit (40) for use with portable generators, portable water pumps, and other similar, relatively heavy, but still portable devices, that are provided with surrounding frames. The wheel kit (40) includes a wheel/axle (42, 52) assemb...
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WO/2001/088392A2 |
The invention relates to a roller bearing, especially a needle bearing (38). The aim of the invention is to provide the ring (42) of a needle bearing (38) with a side extension (46) enabling the needle bearing (38) to be pressed into the...
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WO/2001/083991A1 |
An electromagnetic micro pump, comprising a diaphragm (6) and a pump head (3) installed on a frame having an intake port and a delivery port provided therein inside a cabinet, a valve disc (7) disposed in a space formed of the diaphragm ...
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WO/2001/082454A1 |
The invention relates to a device for use in an electronic driving dynamics control system, comprising an electromechanical converter, especially an electromotor, a hydraulic pump (17), and an electric control device (4, 5, 16) for the c...
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WO/2001/079693A2 |
A metering pump includes an apparatus for adjusting the stroke length of a pump element. The apparatus comprises a lever having a cam which is contacted by the pump element.
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WO/2001/075304A1 |
A chemical injection pump for injecting chemicals into subsea system at depths up to 10,000 feet is described which uses a minimum of moving parts by employing an actuator, for instance a solenoid, to power a double acting actuator rod a...
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WO/2001/073298A2 |
The invention relates to a hydroelectric pressure intensifier in which the plunger piston (8) and/or the driving spindle (9) of said plunger piston and/or the piston rod (3) of the working piston (2) are driven by electrical means, espec...
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WO/2001/073295A1 |
The invention relates to a motor-pump unit comprising an electromotor (1) and a pump (2). The invention is characterized in that the pump (2) is surrounded concentrically by the rotor/stator (1.3, 1.1) of the motor; the rotor (1.3) of th...
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WO/2001/071190A1 |
The invention relates to an oscillating armature diaphragm pump comprising a coil (7) that drives the oscillating armature (8) and comprising a control device (10) that periodically applies a drive voltage to the coil (7). In order to me...
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WO/2001/066943A1 |
A liquid chemical metering pump (24) is described that can be fully submerged within a hazardous liquid chemical transport/storage container (28). The pump (24) includes a discharge adaptor (30) that can be received in the outlet apertur...
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WO/2001/065115A1 |
The invention relates to a compact electrohydraulic motor pump unit comprising a housing (10) which forms a reservoir for a pressurised fluid. Said housing contains an electromotor (11) and has a first housing sealing section (12), a sec...
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WO/2001/063738A2 |
These disclosed energy conversion devices (500) include one or more transducers (510) that use electroactive polymer films to convert thermally generated mechanical energy to electrical energy. The generators may include one or more tran...
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WO/2001/061831A1 |
A reciprocating motor for a reciprocating type compressor includes a bobbin having a coil wound inside thereof, a terminal formed at one side of the bobbin, for electrically connecting the coil and an external circuit, a core part at whi...
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WO/2001/061191A1 |
In a lubricant supplying apparatus of a reciprocating compressor including a lubricant cylinder fixed to a compressing unit having a lubricant suction passage and vibrating with the compressing unit, a lubricant piston slide-inserted int...
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WO/2001/054253A1 |
Device and method for controlling a piston position in a linear compressor, having a power source, a triac, and a motor, the device including a current phase detecting part for detecting a current switched at the triac, integrating the c...
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WO/2001/046581A2 |
The invention concerns a system and a method for feeding with liquid propellant at least a booster motor (1) of an air or space craft. An electronic device (12) receives the liquid derived from a pressurised main tank (2), and a secondar...
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WO/2001/044667A1 |
Magnetically actuated (30) fluid handling devices use magnetic fluid (56) to move fluids (45) through macrocyst flow channels (10). The magnets (30) used to control fluid movement can be either individual magnets moved along the flow cha...
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WO/2001/042655A1 |
The invention relates to a vehicle braking system with a motor/pump unit (10) that is provided with an electromotor (12) and at least one pump (14) for conveying the braking fluid. Said electromotor (12) comprises a motor stator (16) in ...
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WO/2001/042069A1 |
The invention relates to a motor/pump unit (10) comprising an electric motor (12) and at least one pump (14) for transporting brake fluid. Said electric motor (12) has a stator (16), wherein a rotor (18) is rotatably disposed. The pump (...
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WO/2001/037960A1 |
Femtoliter to milliliter volumes of one or a plurality of different liquids are accurately dispensed electrokinetically without any direct electrical contact with such liquid(s). This is accomplished with apparatus which creates an elect...
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WO/2001/031198A1 |
The invention relates to a motor-pump aggregate comprising a motor (1) and a piston pump (2), especially for electronically controlled motor vehicle braking systems. The pistons (3) of the pump (2) can be driven by an eccentric (4) that ...
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WO/2001/031200A2 |
A fluid pump (10) having a motor (18) operably coupled to a pump assembly (14), the motor (18) and pump assembly (14) acting cooperatively to pressurize a fluid, the fluid pump (10) includes a pressure switch assembly (16) being in commu...
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WO/2001/029394A1 |
The aim of the invention is to produce a fuel supply pump and a fuel supply system equipped with said fuel supply pump, wherein the warming of a fuel within the fuel supply system is reduced. The aim of the invention is achieved by surro...
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