Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 651 - 700 out of 5,566

Document Document Title
WO/2011/015677A1
Hydraulic pumping system of variable flow per revolution, comprising a series of hydraulic cylinders (1), each of which features two tubes arranged in sliding coupling with a spring biased to extend the sliding assembly having attached s...  
WO/2011/012348A1
The invention relates to a fluid feed pump for conveying a fluid, having an electromagnet (6) for creating an electromagnetic field, an anchor (4) that is located in the electromagnetic field of the electromagnet (6) and that can be move...  
WO/2011/011434A2
A gaseous fluid pump having at least one cylinder having a wall defining an inner volume and containing a central axis. First and second pistons that both move along the central axis, wherein the first piston and second piston have simil...  
WO/2011/011440A2
A method of controlling a fluid pump. The pump has a plurality of oscillating pistons that travel along a central axis of a piston sleeve. A plurality of pistons is of similar mass within a piston sleeve are provided, and adjacent piston...  
WO/2011/011028A1
Pliant, or compliant mechanisms for extracting electrical energy or useful work from a moving fluid are described. Persistent deformations in flexible elements are maintained with deformation retaining, or restraining components. The def...  
WO/2011/008242A2
A pumping system is provided which is a mobile, vehicle-mounted pumping system, such as for water or fuels, which mounts on a vehicle and may be used for various applications. The pumping system operates a drive system and control system...  
WO/2011/008763A2
A plunger installation tool that exerts a force on a plunger for a reciprocating pump to install the plunger into a pump cylinder opening. Maintenance of the pump typically includes repacking of the packing that surrounds the plunger and...  
WO/2011/004124A2
Microsystem for generating a synthetic jet, corresponding manufacturing method and device for flow control. This microsystem (10) for generating a synthetic jet of fluid, comprising a chamber defining a cavity (12) and provided with an o...  
WO/2011/005571A2
A reciprocating pump has a driven crankshaft and a connecting rod having an aft end rotatably mounted to the crankshaft. The pump has a stationarily mounted crosshead case in which a crosshead assembly strokes. The crosshead assembly has...  
WO/2011/002902A2
A carrier that holds a plunger for a reciprocating pump during maintenance. Maintenance of the pump typically includes repacking of the packing that surrounds the plunger and revalving of the pump's inlet and outlet valve. To allow repac...  
WO/2010/148507A1
An electromagnetic clutch includes a rotatable input member and a rotatable output member. A clutch plate is fixed for rotation with one of the input member and the output member. An armature plate is axially moveable relative to the oth...  
WO/2010/151407A1
A progressing cavity pump/motor includes a stator tube (12), a rotor (20) within the stator tube, and a coupling assembly (30) interconnecting the upper and lower rotor sections. The coupling includes a drive adapter (32) and a socket ad...  
WO/2010/146952A1
A piston is slidably provided in a cylinder and partitions a first pump chamber, and a second pump chamber connected to an object to be operated. A first on-off valve is provided between the first pump chamber and the outside. A second o...  
WO/2010/012888A3
Electricity generator that generates electricity from a moving fluid, comprising a duct delimited by two end plates (1) between which there is positioned a membrane (5) so that it can be subjected to the action of a flow of fluid enterin...  
WO/2010/141490A2
A connection between a shaft and a coupling that preferably involves involute shaped splines is designed to reduce stress from torque applied to the shaft by a drive motor. To avoid stress concentration at the mouth of the coupling on st...  
WO/2010/138510A2
A compressor (20), as well as a lightweight and strong casting (22) for a compressor (20), are disclosed. The compressor (20), which may be a reciprocating compressor (20) for use in compressing high-pressure refrigerants such as CO2, in...  
WO/2010/137991A1
The invention relates to an apparatus employing pressure transients for transporting fluids comprising at least one partly enclosed space (201,301,501,601,606,701,1101,1201), at least one body (202,302,502,602,607,702,1102,1202) in said ...  
WO/2010/133311A1
The invention relates to a displacement pump, constructed using microsystem technology, preferably used as a vacuum pump.  
WO/2010/133339A1
The invention relates to a device for delivering a fluid in a hydraulic circuit (motor-pump aggregate), comprising a hydraulic pump disposed within a hydraulic circuit and driven by a drive motor, wherein the hydraulic pump (3) is connec...  
WO/2010/135161A1
Fuel systems and methods for cold environments which includes a fuel pump (15) having at least one solenoid coil (40, 42) in an unlaminated magnetic circuit, the fuel pump being disposed in a fuel tank (16), and a pump drive and pulsing ...  
WO/2010/133390A2
Disclosed is a pump housing for a hydraulic unit in a motor vehicle, comprising a body that is provided with openings for accommodating components of an associated pump. One of the external surfaces of the body is designed such that a mo...  
WO/2010/126959A2
A method and apparatus for accommodating mis-alignment of a piston rod in a reciprocating force delivery device is provided. A piston rod is coupled to a piston by a pivot bearing disposed around the piston rod inside the piston. The piv...  
WO/2010/124750A1
The invention relates to a compressor (1) for generating compressed air in a vehicle, having at least one piston (6, 7), a cylinder (8, 9), a crankshaft (12), a lubricant connection (14) and a lubricant supply channel (13, 15 16, 20, 21)...  
WO/2010/124668A1
The invention relates to a method for operating a metering pump (12), particularly for delivering fuel for a vehicle heater, wherein the metering pump comprises a piston (14) which can be moved back and forth between a starting position ...  
WO/2010/124703A1
The invention relates to a pump arrangement (1) for filtering a fluid (F) according to the principle of reverse osmosis. The pump arrangement (1) comprises at least one high-pressure housing at least partially symmetrical about a center ...  
WO/2010/121858A1
An internal combustion engine having a crankshaft (1) and an injection pump (2) for delivering fuel into the combustion chambers, wherein the injection pump (2) has at least one camshaft or eccentric shaft (3) which is driven by the cran...  
WO/2010/118475A1
A heart pump including first and second cavities, each cavity including a respective inlet and outlet, a connecting tube extending between the first and second cavities, an impeller including: a first set of vanes mounted on a first roto...  
WO/2010/118476A1
A controller for a heart pump, the controller including a processing system for determining movement of an impeller within a cavity in a first axial direction, the cavity including at least one inlet and at least one outlet, and the impe...  
WO/2010/117540A1
A dispenser for dispensing a volume of viscous material on a substrate includes a frame, a gantry system coupled to the frame, and a dispenser unit coupled to the gantry system. The dispenser unit includes a housing having a chamber, and...  
WO/2010/057484A3
The invention relates to a hydraulic unit (1) for actuating at least one displaceable component, particularly a vehicle device that moves during a roof motion of a cabriolet vehicle, having a housing (3) for receiving an electric motor (...  
WO/2010/112856A1
With reference to Figure 3, the present invention provides a fluid injector (10) which functions as a positive displacement pump and comprises: a housing (12) in which a piston chamber is formed; a piston (11) which reciprocates in the p...  
WO/2010/091698A8
The invention relates to a motor pump unit for a high-pressure cleaning device, comprising an electric motor and a pump, the electric motor having a motor housing which is surrounded by a cooling housing, forming an annular chamber with ...  
WO2010109945A1
In a solenoid operated valve (50) that serves as a pressure-regulating valve, a second drain port (52d) communicating with a spring chamber (59) is connected to a fluid path (46a) for supplying pressure to the spring chamber, the fluid p...  
WO/2010/080963A3
A reciprocating pump assembly having a pump within a housing. The pump having a crankshaft that rotates and a crosshead that is connected to a plunger via a pony rod. The plunger pumps fluid through cylinders in the pump. A connecting ro...  
WO/2010/091698A1
The invention relates to a motor pump unit for a high-pressure cleaning device, comprising an electric motor and a pump, the electric motor having a motor housing which is surrounded by a cooling housing, forming an annular chamber with ...  
WO/2010/091764A1
The invention relates to a modular vacuum unit (2) for fuel pumps, in particular high-pressure pumps for air-compressing compression-ignition internal combustion engines, having a housing (15) that can be attached to a cylinder head (3) ...  
WO/2010/091965A1
The invention relates to a motor pump unit for a high pressure cleaning device having an electrical motor and a pump, wherein the electrical motor has a motor housing that is surrounded by a cooling housing forming a ring space having a ...  
WO/2010/070482A3
In a waveguide pump and method of pumping liquid, at least a portion of an elongate ultrasonic waveguide is immersed in a liquid reservoir. The waveguide has first and second ends, a nodal region located longitudinally therebetween, and ...  
WO/2010/090678A1
A hydraulic load ramping system, in certain aspects, may utilize load sensing feedback from an engine, thereby reducing the possibility of overloading the engine as well as smoothing the transition between hydraulic load levels. In parti...  
WO/2010/021602A3
Pumping equipment comprising a structure of components caulked in places of connection, which together constitute a pumping mechanism (1) enabling for a through-flow of fluid and consisting of a chamber module (11) comprising a chamber (...  
WO/2010/080963A2
A reciprocating pump assembly having a pump within a housing. The pump having a crankshaft that rotates and a crosshead that is connected to a plunger via a pony rod. The plunger pumps fluid through cylinders in the pump. A connecting ro...  
WO/2010/070482A2
In a waveguide pump and method of pumping liquid, at least a portion of an elongate ultrasonic waveguide is immersed in a liquid reservoir. The waveguide has first and second ends, a nodal region located longitudinally therebetween, and ...  
WO/2010/067157A1
Piezoelectric pump (101, 200) for a household electric appliance comprising a moving wall (4, 204) interposed between a first casing element (1, 201) defining a pumping chamber (5, 205) with said moving wall (4, 204), and a second casing...  
WO/2009/057872A9
In a compressor, a motor includes a stator and a moving member that reciprocates. A frame supports the stator and a conductivity member flows at least a portion of magnetic flux flowing away from the stator back to the stator. Accordingl...  
WO/2009/054654A3
The present invention discloses a reciprocating compressor which can linearly reciprocate a piston (6) inside a cylinder (4) as a linear motor (10) is driven, compress a refrigerant by sucking the refrigerant into a compression space (P)...  
WO/2010/057484A2
The invention relates to a hydraulic unit (1) for actuating at least one displaceable component, particularly a vehicle device that moves during a roof motion of a cabriolet vehicle, having a housing (3) for receiving an electric motor (...  
WO/2010/057485A1
The invention relates to a hydraulic unit (1) for actuating at least one displaceable component, particularly a vehicle device that moves during a roof motion of a cabriolet vehicle, having a housing (3) for receiving an electric motor (...  
WO/2010/028124A3
The present invention discloses operation of a system for injecting a predetermined amount of a secondary fluid into a primary fluid stream. The system uses a liquid additive injection pump driven by a fluid powered motor that is driven ...  
WO/2010/053460A1
A high-pressure pump bearing member of an internal combustion engine comprising a seat (5), which is intended to cooperate with corresponding complementary parts and includes a cavity (50), which - when observed downwards - extends in a ...  
WO/2009/053924A3
A diaphragm for a fluidodynamic rotor and corresponding plants for the generation of energy is disclosed, the energy being drawn both from flows of fluids and of wave motions, wherein the diaphragm consists of a reticular support (1) whe...  

Matches 651 - 700 out of 5,566