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Patent Searching and Data


Matches 701 - 750 out of 5,473

Document Document Title
WO/2009/003540A1
The invention relates to a diaphragm pump (1) having a diaphragm (11), a solenoid with a movable magnet armature (8) as a drive element for the diaphragm (11), and a stop element (9) for adjusting the stroke for the drive element (8). Th...  
WO/2009/006385A1
One embodiment includes a housing (14) and an impeller (34). The housing (14) comprises an inlet portion (24) which in turn defines an inlet passage (28). The inlet passage (28) leads to the impeller (34) and directs fluid flow substanti...  
WO/2009/005510A1
Pumping systems for pumping shear-sensitive fluids between first and second reservoirs. In various embodiments, the pumping system may include a portable platform that supports at least one diaphragm pump thereon. The diaphragm pumps are...  
WO/2009/003144A3
A variable geometry turbocharger is provided. The turbocharger improves efficiency by controlling flow to the rotor (230) via movable vanes (260). The vanes (260) can be rotated using a pin (380, 480) and groove (385, 485) system. The va...  
WO/2009/003144A2
A variable geometry turbocharger is provided. The turbocharger improves efficiency by controlling flow to the rotor (230) via movable vanes (260). The vanes (260) can be rotated using a pin (380, 480) and groove (385, 485) system. The va...  
WO2007137194A9
An electromagnetic pump (10) comprising an armature (45) comprising a pole portion (48) and plunger portion (49), the plunger portion sized to be received in a cylindrical passage formed in the housing and which guides the armature. The ...  
WO/2008/154090A1
The present invention is an actuator for a piston pump that includes a separately formed piston (62) and armature (60). The piston and the armature are later assembled together or are inserted into the piston pump in such a manner as to ...  
WO2008021503B1
A pump system has a rotatory shaft and a rotatory drive arrangement coupled to the rotatory shaft for applying rotatory energy thereto. First through fourth pump arrangements are coupled to the rotatory shaft, each pump arrangement pumpi...  
WO/2008/147605A1
An electromagnetic pump comprising a voltage sense device (124) for sensing the electrical voltage applied to the coil, a current sense device (122) for sensing the coil current, and control electronics (120) to detect the end of a pump ...  
WO/2008/144148A1
The present invention relates to an apparatus for rotating a piston (62) of a solenoid drug pump during the pumping stroke to reduce drug pump wear. In the present invention, the armature (60) to which the piston is connected includes on...  
WO/2008/144149A1
A piston pump includes an actuator member (59) with a piston (62) that articulates between a retracted and a forward position in a piston channel (38). Movement between the retracted and forward position, a pumping stroke, expels a known...  
WO/2008/143983A4
Submersible pumping systems, devices and methods for extracting liquids in deep well applications are disclosed. In the various embodiments, a submersible pumping system includes a power supply and a power converter coupled to the power ...  
WO/2008/143983A3
Submersible pumping systems, devices and methods for extracting liquids in deep well applications are disclosed. In the various embodiments, a submersible pumping system includes a power supply and a power converter coupled to the power ...  
WO/2008/136979A1
A rotary blood pump may include one or more motor stators overlying exterior surfaces of a wall defining a pumping chamber. A rotatable impeller within the pumping chamber may have a hydrodynamic thrust bearing surface adapted to constra...  
WO/2008/132640A2
An oilfield pump employing a linear electric motor. The linear electric motor replaces a conventional crankshaft or hydraulic techniques for driving a plunger of the pump. This may reduce the number of equipment parts and amount of maint...  
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/2008/132640A3
An oilfield pump employing a linear electric motor. The linear electric motor replaces a conventional crankshaft or hydraulic techniques for driving a plunger of the pump. This may reduce the number of equipment parts and amount of maint...  
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/2008/123688A1
A two stage reciprocating compressor includes a casing. A first compressing unit is disposed in the casing and includes a first piston and a first cylinder, the first compressing unit being driven by a reciprocating motor to linearly rec...  
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/2008/117991A1
A two stage reciprocating compressor includes a casing. A first compressing unit is disposed in the casing and includes a first piston and a first cylinder, the first compressing unit being driven by a reciprocating motor to linearly rec...  
WO/2008/112093A1
A vacuum food storage device having a container, a lid, a pump to evacuate air, a switch engageable by contact of the pump to the lid, or by contact of the Hd to the container, to permit the pump to evacuate air from the container to a d...  
WO/2008/110187A1
A motor pump of the hydraulic-electromagnetic type with floating piston, comprises a container body partly delimited in its external part, by a coil, an inlet duct and an opposite outlet duct located in said body, a couple of opposite ma...  
WO/2008/101594A1
The invention relates to a motor pump unit comprising an electric motor and a pump, wherein the pump has an intake inlet and a pressure outlet, and wherein the electric motor has a motor housing, which is surrounded by a cooling housing ...  
WO2008030839B1
We provide a compressor or vacuum pump fluid intake manifold having a fluid intake and a pair of ports provided by male and female fittings that are slidably engaged to one another. The male fitting has a portion which forms a hollow plu...  
WO/2008/089551A1
A hydraulic submersible pump with electric motor drive including a master cylinder and at least one slave cylinder in axial alignment with the master cylinder, each having a piston. Each slave piston is connected by a rigid linkage to th...  
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/2008/083494A1
A water circulating system, such as a spa system, is disclosed having a flow control feature. In one embodiment, the spa system includes a tub, a pump assembly and a controller. The pump assembly includes a BLDC motor and circulates wate...  
WO/2008/081658A1
Provided is an electromagnetically operated pump which may have an enhanced operational continuity by increasing the pressure of a fluid without reducing the cross sectional area of a thrust generating part in a cylinder body. An electro...  
WO/2008/082251A3
A linear compressor comprises a cylinder (20), a piston, a linear motor disposed along an outer circumference of the cylinder, and a non-magnetic substance as an inner ring (122). The piston compresses refrigerant while reciprocating in ...  
WO/2008/081164A1
A high pressure pump for use in the injection of liquid chemicals into subsea oil or gas wells, and intended to be positioned in the subsea environment adjacent to the wellhead, comprises a piezoelectric actuator (19) for reciprocating a...  
WO/2008/077725A1
A multiple membrane pump for food liquids and the like, comprising at least one duct (6) for the compensated intake of the liquid, which is closed on itself in a loop and is provided with at least one intake port (7), at least one duct (...  
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/2008/074428A1
A fluid machine is shown and described for compressing or conveying fluids, in particular for compressing gases to high pressures, with a linear motor (2), at least one cylinder (3), a solid piston (4) which can be moved axially in the c...  
WO/2008/074574A1
The present invention relates to an electrical machine having a rotor (4), a stator (7, 8), a rotating-field production device and a pole-field production device (9), in which the rotor (4) can rotate about a rotation axis which passes t...  
WO/2008/073422A2
A tool with an engine, a shaft, and a recoil starter pulley coupled to the shaft for rotation about an axis. A starter pull rope for winding and unwinding around the recoil starter pulley. An air chamber shroud extending about at least a...  
WO/2008/073422A3
A tool with an engine, a shaft, and a recoil starter pulley coupled to the shaft for rotation about an axis. A starter pull rope for winding and unwinding around the recoil starter pulley. An air chamber shroud extending about at least a...  
WO/2008/068229A1
The invention relates to a device for forming at least one circulating flow, or vortex, on the surface of a drop of liquid, comprising at least two first electrodes (4, 6) forming a plane and having edges (14, 16) facing each other, such...  
WO/2008/065680A2
A method and control unit for controlling an engine pump supplying a hydrocarbon fluid to an engine, wherein a control unit starts the pump and stops it after a predetermined period of time.  
WO/2008/065680A3
A method and control unit for controlling an engine pump supplying a hydrocarbon fluid to an engine, wherein a control unit starts the pump and stops it after a predetermined period of time.  
WO/2008/057177A3
A method for controlling a variable torque hydraulic pump (38), includes monitoring parameters associated with a power source (12) including, a fuel limit proximity of the power source, a speed associated with the power source, and an at...  
WO/2008/057177A2
A method for controlling a variable torque hydraulic pump (38), includes monitoring parameters associated with a power source (12) including, a fuel limit proximity of the power source, a speed associated with the power source, and an at...  
WO/2008/052105A3
A hydro-pneumatic system has an air powered motor driving a hydraulic pump with a pressure limiting valve that turns off air flow to the air motor when a hydraulic pressure output by the pump at a sense port of the valve reaches a certai...  
WO/2008/049182A2
The present abstract refers to a patent of invention for vibratory pump belonging to the field of hydraulic equipment and which topping (30) has been improved to avoid the shock of the axial transmission member (tilt) (20) against the so...  
WO/2008/049182A3
The present abstract refers to a patent of invention for vibratory pump belonging to the field of hydraulic equipment and which topping (30) has been improved to avoid the shock of the axial transmission member (tilt) (20) against the so...  
WO/2008/046229A1
A mobile high horsepower rating natural gas compression package is presented. The apparatus includes a trailer having a flexible pre-cambered frame (100) configured to absorb shock during transport and dissipate vibration during operatio...  
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/2008/036198A3
A compressor may include a shell, a compression mechanism, a motor, a base member, and a mounting foot. The compression mechanism may be disposed within the shell and the motor may be drivingly engaged with the compression mechanism. The...  
WO/2008/030630A2
Restriction of flow along a shaft by interposing a split ring in the annulus between the shaft and housing. When the ends of the split ring are separated, the effective diameter of the ring is increased and a clearance between the ID of ...  
WO/2008/030839A3
We provide a compressor or vacuum pump fluid intake manifold having a fluid intake and a pair of ports provided by male and female fittings that are slidably engaged to one another. The male fitting has a portion which forms a hollow plu...  

Matches 701 - 750 out of 5,473