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Patent Searching and Data


Matches 601 - 650 out of 10,450

Document Document Title
WO/2009/113566A1
Provided is a photoresponsive gas-generating material, which is to be used in a micropump of a microfluid device wherein a microchannel is formed, capable of efficiently generating a gas upon light irradiation and transporting a microflu...  
WO/2009/103217A1
A multi-stage diaphragm pump has a casing in which is provided a plurality of gas chambers, wherein each gas chamber has a gas inlet valve, a gas outlet valve and an elastic diaphragm (6), the elastic diaphragm (6) of each gas chamber is...  
WO/2009/100858A1
The invention relates to a device for concentrating a liquid pumped by a differential piston pump through a concentrating apparatus, said liquid directly acting on the at least one differential piston in an assisting manner during the de...  
WO/2009/098095A1
The invention relates to a high-pressure pump for a fuel injection device of an internal combustion engine having a rotationally driven camshaft (2), the cams of which place a pump piston (4) into an oscillating stroke movement via coupl...  
WO/2009/097338A2
A hydraulic oil well pumping apparatus, preferably includes a hydraulic cylinder having a rod that is movable between a upper and lower rod positions; a pumping string that extends downwardly from the rod, the string being configured to ...  
WO/2009/083095A1
The invention relates to a hydraulic arrangement (2) for actuating an actuator in a motor vehicle. The hydraulic arrangement comprises at least one hydraulic actuating unit (3) acting on the actuator, and at least one piston pump (7) hav...  
WO/2009/076713A1
A reciprocating pump (15) adapted for actuation by a reciprocating input, typically generated by wave motion. The pump (15) comprises a fluid delivery means such as a piston mechanism (201) adapted for reciprocation in response to recipr...  
WO/2009/072261A1
A pump in which a vibration element vibrates at high degree of efficiency to make the pump perform a highly efficient pumping action to discharge a large amount of fluid. The peripheral edge of a diaphragm (3) is fixed to a housing (2) t...  
WO/2009/070853A1
A pumping apparatus having a housing and a passageway mounted to the housing. The pumping apparatus also has a free member which is movable within the passageway. Rotation of the housing causes the free member to move within the passagew...  
WO/2009/070906A1
In a reciprocating piston compressor (1) comprising at least one first compression stage (11) for compressing a first gas, the first compression stage (11) comprises at least a first piston (13) sliding in a first compression (12) chambe...  
WO/2009/036363A3
A precision pumping system is disclosed. The pumping system includes an electric motor assembly powering a first drive shaft driving a first pump at a first flow rate and powering a second drive shaft driving a second pump at a second fl...  
WO/2009/059376A1
A Concrete Pump is a mechanical device compromising of round funnel shape hoper, Pump outlet, rotating pressure and wear plates, to which are attached rotating pump cylinders, opposite rotating wear plate and press against it is stationa...  
WO/2009/058284A1
An internal combustion engine (12) includes an engine housing (16), a common rail (14), and a pressurization device (40) for the common rail fuel system (14) which includes a plurality of intensifier pistons (51, 53), and an hydraulicall...  
WO/2009/058332A2
Although modern diesel fuel formulations are intended to reduce emissions of diesel engines, at least some of those modern fuels tend to have relatively low lubricity levels. The control valve assemblies described herein help to minimize...  
WO/2007/062068A3
The present invention provides a fluid delivery system having a first chamber, a second chamber and a third chamber; a flow-through pump element separating the first chamber from the second chamber; a moveable pump element separating the...  
WO/2009/024619A4
A high pressure double membrane pump has a central housing (3), two cylindrical pump chambers (7,8), a coupling rod (4) which moves back and forth when the pump is in operation and which has a pump piston (9), two membranes which divide ...  
WO/2009/041811A1
Slurry pump, particularly for pumping abrasive slurries or construction slurries, comprising a frame, a rotor that is rotatably connected to the frame and which is provided with at least three pump cylinders each having a related hydraul...  
WO/2009/035311A1
This present invention relates to a preparation of gaseous fuel (natural gas for example) for its further transfer under pressure to fuel tank of a vehicle 22. This object is achieved by a method for compressing gas by alternate transfer...  
WO/2009/031908A2
An electrical power and heat co-generation unit typically comprising a Stirling engine includes an adsorption element within a sealed interior of the unit which is effective to remove from gas circulating within the interior of the machi...  
WO/2009/030793A1
The invention relates to a pressure-intensifying mechanism consisting of two chambers mounted one inside the other and including two cylinders and two pistons which are interconnected in a particular manner between the two chambers and w...  
WO/2009/033193A1
A valve for controlling the pumping of an emulsion in the mixing of a liquid explosive which includes a piston which is controlled during reciprocation by two valve members which are biased by a spring so that it is not possible for both...  
WO/2009/024619A1
A high pressure double membrane pump has a central housing (3), two cylindrical pump chambers (7,8), a coupling rod (4) which moves back and forth when the pump is in operation and which has a pump piston (9), two membranes which divide ...  
WO/2009/013224A1
The invention relates to a fuel pump for an injection system of an internal combustion engine. A repeated pressure build-up is generated within the compression unit by means of a drive unit which is composed of a lever system which can b...  
WO/2009/013068A1
Proposed is a radial piston pump with a roller tappet, whose service life has been further increased. This is achieved according to the invention in that the contact points between a tappet (23), a roller (28) and a guide bore (29) are p...  
WO/2009/013175A1
The invention relates to a pump, particularly a high-pressure fuel pump, having a drive shaft (12) which is provided with a first double lobe (18), wherein the two lobes are arranged at a rotational displacement to each other of approxim...  
WO/2009/011012A1
An air driven hydraulic pump having an excellent responsiveness at the time of quick opening of a pilot air supply valve. The air driven hydraulic pump comprises a plunger pump mechanism (10), an air cylinder (20) for driving the pump me...  
WO/2009/000949A1
The invention relates to a pump comprising a mechanical part (1) and a hydraulic part (2) which are mutually axially arranged in such a way that they are interconnected by means of a common rod (3). The mechanical part (1) comprises a dr...  
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...  
WO2008121606B1
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 ...  
WO/2008/151628A1
Two-step-pump with a piston simply comprising two concentric pistons, the bigger diameter piston being used to increase the oil flow to an outlet connection until the pressure at the outlet connection has reached a predetermined value, w...  
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/2008/119596A3
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/2008/116241A3
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/2008/132514A1
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/2008/029288A3
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/2008/124877A1
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/2008/119596A2
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/2008/074810A3
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/2008/111339A1
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/2008/059449A3
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...  

Matches 601 - 650 out of 10,450