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Patent Searching and Data


Matches 601 - 650 out of 10,380

Document Document Title
WO/2008/141587A1
An air pressure difference type energy saving water pumping device mainly includes: a water tower (1) provided with an electrogeneration equipment (14) and a civil use water pipe (18); an air pressure difference pump (2) which is divided...  
WO/2008/132514A1
Drilling rig apparatus having a driven shaft, such as a mud pump comprising a pumping section (20) and a motor a pparatus (30), the pumping section (20) having at least one pump (58,59) and a main pinion shaft (32), said motor apparatus ...  
WO/2008/134542A2
A reciprocating dπve mechanism having a housing with upper and lower internal chambers with a spool slidably positioned inside the upper internal chamber There is at least one fluid inlet and fluid exhaust communicating with the upper i...  
WO/2008/133212A1
[PROBLEMS] A damper pulley can cope with vibration of not only in the radial direction of the pulley but also in the axial direction and allows easy mounting of a rubber-like elastic body in the pulley. [MEANS FOR SOLVING THE PROBLEMS] T...  
WO/2008/124877A1
An apparatus for pumping or compressing a fluid, the apparatus comprising a housing having a bore, at least one inlet and at least one outlet in communication with the bore, one or more pistons adapted for movement relative to the bore a...  
WO/2008/119596A3
The aim of the invention is to design a radial antifriction bearing that has a longer service life, an eccentric drive comprising said radial antifriction bearing, and an anti-blocking system comprising said eccentric drive or said radia...  
WO/2008/119596A2
The aim of the invention is to design a radial antifriction bearing that has a longer service life, an eccentric drive comprising said radial antifriction bearing, and an anti-blocking system comprising said eccentric drive or said radia...  
WO/2008/121606A1
An air-operated pump for pumping material such as oil or grease. The pump is powered by an air motor which operates to reciprocate a piston and plunger to effect a pumping action. The air motor is modular in that the air valve system is ...  
WO2008102245A9
A plunger pump (1) pressurizes an operating fluid by converting the rotational motion of a cam drive shaft (12) to reciprocating motion of a piston (34). In the plunger pump (1), a linear gear (26) is interposed between a cam (18) and pi...  
WO/2008/118016A1
Chromatographic column system, in particular a chromatographic column system of the expanded bed adsorption column type comprises a column connected to a fluid inlet and a fluid outlet and dimensioned to comprise an expandable filter bed...  
WO/2008/116241A2
The invention relates to a device for driving a piston pump comprising at least one cam (10) that is mounted on a camshaft (4), said cam co-operating with the pump piston (3) or a component situated between the cam (10) and the pump pist...  
WO/2008/116241A3
The invention relates to a device for driving a piston pump comprising at least one cam (10) that is mounted on a camshaft (4), said cam co-operating with the pump piston (3) or a component situated between the cam (10) and the pump pist...  
WO/2008/111339A1
A thrust piston pump device (PM1) can be driven by an electric motor (110) and has a pump housing (120), a reciprocating piston (130) assembled in the pump housing (120), and a motion converting mechanism (140) installed between the reci...  
WO2007090193A8
A hydraulic oil well pumping apparatus utilizing a hydraulic cylinder having a piston or rod that is movable between upper and lower piston positions. A pumping string or sucker rod extends downwardly from the piston, the pumping string ...  
WO/2008/102817A1
A functional thin tube device which can cope with a variety of applications without requiring a complicated channel design, and without constituting the liquid sampling devices of a pump and a channel tube separately. The functional thin...  
WO/2008/102245A1
A plunger pump (1) pressurizes an operating fluid by converting the rotational motion of a cam drive shaft (12) to reciprocating motion of a piston (34). In the plunger pump (1), a linear gear (26) is interposed between a cam (18) and pi...  
WO2007119149A8
A device for dosing amounts of liquid in desired volumes, comprises piston means (3) movable in a cavity (4) of casing means (2) for collecting an amount of liquid from an inlet (12) of said casing means (2) and directing said amount of ...  
WO/2008/098854A1
A pumping device (1) particularly for fluids containing solid suspensions, comprising a duct (2) for conveying the fluid to be pumped which has elastically flexible walls, at least one pumping assembly (3) being interposed along the conv...  
WO/2008/092808A1
The invention relates to an hydraulic aggregate comprising a reservoir (11) for hydraulic oil in a container (10). A pump (15) driven by a motor (18) is arranged in the reservoir (11). The motor (18) is a pneumatic motor. An electric con...  
WO/2008/095205A2
A system for controlling a piston pump to deliver a predetermined member of pumping strokes wherein, for each stroke, an index component is moved by a defined extent which is monitored by a sensor and, once the index component is at a co...  
WO/2008/095205A3
A system for controlling a piston pump to deliver a predetermined member of pumping strokes wherein, for each stroke, an index component is moved by a defined extent which is monitored by a sensor and, once the index component is at a co...  
WO/2008/095206A1
A mixer pump which has two reservoirs for two constituents, two pumps for pumping the constituents, and a housing which contains the reservoirs and the pumps and which has formations which are respectively partly complemental to, and whi...  
WO/2008/091797A1
A device for pumping and compressing fluids. First and second polarized cylindrical magnets are mounted in a cylinder with an inlet and an outlet port. The first magnet is adapted to rotate on the axis of the cylinder and has a fixed lon...  
WO/2008/085031A1
A positive displacement pump apparatus (10) is disclosed for displacing a pumping fluid. The apparatus comprises one or more pump chambers (22) arranged in a pipe system for receiving the pumping fluid, the pipe system having at least on...  
WO/2008/077758A1
A hydraulically controlled high-pressure piston pump for the high-pressure supply of consumers, in particular in common rail injection systems of internal combustion engines, has a pump housing (1) with at least one high-pressure cylinde...  
WO/2008/077408A1
Pump for measuring out and feeding liquefied urea to a nozzle arranged in an exhaust system of an engine. The pump comprising: a first and a second void (13, 24), the volumes of the voids are de-/increasable thereby each having a displac...  
WO/2008/074810A2
The invention pertains to a device and method for generation of electrical power from sea waves, with either simultaneous or no desalination of seawater. The device comprises of a seaborne portion and a shore-side portion. The seaborne p...  
WO/2008/074810A3
The invention pertains to a device and method for generation of electrical power from sea waves, with either simultaneous or no desalination of seawater. The device comprises of a seaborne portion and a shore-side portion. The seaborne p...  
WO/2008/066635A1
A high volume high pressure common rail (16, 17) pump (12) for a fuel system (10) includes pairs of pump head assemblies in phase with each other but oriented in opposition to one another about a rotating cam shaft (52). Pump pistons (91...  
WO/2008/064376A2
A pump arrangement which has a piston which is reciprocably movable in response to a directional control valve, a pilot valve which, in response to the piston, operates the directional control valve and an index valve operable to inhibit...  
WO/2008/064374A2
A piston pump which includes a seal formed by a valve member inside a cylinder with an end zone through which extends a fluid entry port, and wherein a piston rod is movable in a forward direction into a recess in the valve member, there...  
WO/2008/064374A3
A piston pump which includes a seal formed by a valve member inside a cylinder with an end zone through which extends a fluid entry port, and wherein a piston rod is movable in a forward direction into a recess in the valve member, there...  
WO/2008/064376A3
A pump arrangement which has a piston which is reciprocably movable in response to a directional control valve, a pilot valve which, in response to the piston, operates the directional control valve and an index valve operable to inhibit...  
WO/2008/059449A3
A muscle-powered water pump installation which includes a drive formation (12) supported for rotation about a drive formation rotational axis by at least one animal or human, a water pump (16) drivingly connected to the drive formation f...  
WO/2008/059449A2
A muscle-powered water pump installation which includes a drive formation (12) supported for rotation about a drive formation rotational axis by at least one animal or human, a water pump (16) drivingly connected to the drive formation f...  
WO/2008/058571A1
A pumping apparatus (200) for delivering liquid at a high pressure (Psys) at which compressibility of the liquid becomes noticeable, comprises a piston (20) adapted for reciprocation in opposing directions in a pump working chamber (30),...  
WO2008019889A8
The invention relates to a pressure booster (1) for fluids, in particular hydraulic fluids, having a booster piston (2) which is embodied as a differential piston and having a control piston unit (5), wherein the pressure booster (1) is ...  
WO/2008/044253A1
A transmission apparatus (1), in homogeniser or high pressure piston pump, comprises a fixed body (7) housing a rotating crankshaft (10), a motor (3) able to actuating said crankshaft through transmission means, a reducer (4), interconne...  
WO/2008/037644A1
A connecting rod (1) and a crankshaft (2), which are provided with crankshaft bearings (3, 4), a connecting rod eye bearing (5), and/or a small-end bearing (6), comprise lubricant channels (11, 12, 13, 14, 15), by means of which a lubric...  
WO/2008/037725A1
A pump (2) comprises a shaft (6) and housing (4). The housing (4) comprises a recess, in which the shaft (6) is disposed at least partially, which is to say rotatably about an axis (X) of the shaft (6). An axial section of the shaft (6) ...  
WO/2008/034869A3
The invention relates to a pump arrangement (10) comprising at least two radial piston pumps (11, 11') which each have their own pump housing (12, 12'), a drive shaft (14, 14') rotatably arranged in the pump housing (12, 12'), a cylinder...  
WO/2008/034869A2
The invention relates to a pump arrangement (10) comprising at least two radial piston pumps (11, 11') which each have their own pump housing (12, 12'), a drive shaft (14, 14') rotatably arranged in the pump housing (12, 12'), a cylinder...  
WO/2008/035574A1
[PROBLEMS] To provide an economically preferable hydraulic pump by reducing the production cost and the use cost sharply. [MEANS FOR SOLVING PROBLEMS] The hydraulic pump comprises a water channel (23) for supplying water into a pump oute...  
WO/2008/035792A1
A porous sintered material is produced which is suitable as an electroosmotic material constituting an electroosmotic flow pump.At least one member selected from BaO, SrO, CaO, TiO2, ZrO2, Na2O and K2O or at least one member selected fro...  
WO/2008/032126A1
A pump system for use in with a downhole pipe string has a pump comprising at least one cylinder with at least one piston inside the cylinder, the movement of the piston causing fluid to be drawn into the pump through a pump inlet before...  
WO/2008/029288A3
A fluid-powered motor includes a motor configured to convert fluid pressure into mechanical work and a valve assembly operably coupled to the motor. The motor includes a first chamber, a second chamber, a piston separating the first cham...  
WO/2008/029288A2
A fluid-powered motor includes a motor configured to convert fluid pressure into mechanical work and a valve assembly operably coupled to the motor. The motor includes a first chamber, a second chamber, a piston separating the first cham...  
WO/2008/028007A2
A centering mechanism for a hydraulic pump, a hydraulic pump assembly and a method of assembling a hydraulic pump assembly. The pump assembly generally includes a hydraulic pump, a control arm, and a centering mechanism. The pump general...  
WO/2008/028007A3
A centering mechanism for a hydraulic pump, a hydraulic pump assembly and a method of assembling a hydraulic pump assembly. The pump assembly generally includes a hydraulic pump, a control arm, and a centering mechanism. The pump general...  
WO/2008/019889A1
The invention relates to a pressure booster (1) for fluids, in particular hydraulic fluids, having a booster piston (2) which is embodied as a differential piston and having a control piston unit (5), wherein the pressure booster (1) is ...  

Matches 601 - 650 out of 10,380