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Patent Searching and Data


Matches 251 - 300 out of 1,704

Document Document Title
WO/2007/109788A2
A propulsion system and pump having inner and outer chambers. The outer chamber is formed by a rigid outer shell and a pair of spaced apart end plate assemblies. The inner chamber is located concentrically within the outer chamber and be...  
WO/2007/088380A1
A hydraulic machine has at least one working chamber (11) of cyclically changing volume, and low- and high-pressure valve means (15, 13) to control the connection of the or each chamber to low- and high-pressure lines (16, 14) respective...  
WO/2007/074363A2
A pump including a stator (8), a rotor (6) comprising an axial extension (14,16) slidably and rotatably mounted at least partially in a rotor chamber (10) of the stator, and at least first and second valves between an inlet and the rotor...  
WO/2007/070036A1
A beverage system includes a pump that draws a set amount of a flavored concentrate into a mixing chamber for mixing with water to form a beverage. A locking ring attaches an adapter plate to a pump head. When the locking ring is in a lo...  
WO/2007/070035A1
A beverage system includes a pump that draws a set amount of a flavored concentrate into a mixing chamber for mixing with water to form a beverage. A pump head includes a piston opening that receives a piston and a water port that define...  
WO/2007/060312A1
The invention concerns a positive displacement pumping device comprising a pumping member (1) associated with a dispensing member (3) including a body (10) containing a dispensing chamber (11) comprising orifices (12, 14, 13) connecting ...  
WO/2007/057650A1
There is disclosed a pressure vessel (1) provided with a first port (10) acting as a high pressure inlet of a first stream and a second port (11) acting as a high pressure outlet. A rotatable valve element (9) is located in the centre of...  
WO/2007/056095A2
The present invention involves several different embodiments related to a crossover switching valve. The crossover switching valve is preferably designed to receive fluid from a reservoir, or other fluid source, and direct the inflow and...  
WO/2006/016919A3
A pump apparatus is provided which comprises a first displacement pump and a ceramic valve construction formed of a ceramic rotor, a ceramic stator having flat surfaces which are positioned in sealing relationship and a second displaceme...  
WO/2007/045516A1
A piston pump (1) for creamy food products has a cylinder (2) having a shell (4) extending about a longitudinal axis (Al) ; and a piston (3) movable back and forth inside the cylinder (2) and along the longitudinal axis (Al) to draw a cr...  
WO/2005/111425A3
A compressor control system includes at least one variable compressor, at least one fixed-capacity compressor, and a controller. The controller modulates the variable compressor based on a suction pressure reading of the variable speed c...  
WO2006039719B1
A system for delivering fluids to a subsea device comprises a first fluid pressurizer for pressurizing fluid at a first pressure in communication with a fluid pressure intensifier located subsea that is capable of increasing the fluid pr...  
WO/2006/023310A3
A pump in a beverage system pumps a set amount of concentrate from a concentrate container and into a mixing container for mixing with water to form a beverage. The pump includes a motor that drives a piston both linearly and rotatably. ...  
WO/2007/021924A2
A fluid pump and connector assembly is particularly suited for use in connecting a fuel cartridge to a fuel cell system. The assembly has a first sub-assembly comprising a fluid inlet, a fluid outlet, a flexible diaphragm in fluid commun...  
WO/2007/021581A2
A metering pump for providing relatively small, precise volumes of fluid is provided. The pump piston and/or the interior of the cylinder has a surface finish exhibiting a roughness average within selected limits and a vapor deposited po...  
WO/2006/039719A3
A system for delivering fluids to a subsea device comprises a first fluid pressurizer for pressurizing fluid at a first pressure in communication with a fluid pressure intensifier located subsea that is capable of increasing the fluid pr...  
WO/2007/016988A1
Disclosed is a device (V) for concentrating a liquid (F) which is pumped through a concentrating apparatus (3) by means of a differential piston pump and directly impinges the differential piston (K) in an assisting manner during the con...  
WO/2007/016177A2
An air valving system for a reciprocating piston pump (5) which uses piston (10) actuated poppet assemblies (40) to control the main air valve (16) shift. The valve exhaust is vented (50) directly to atmosphere rather than through the ma...  
WO2006044468A3
A multiple port, dual diameter piston fluid dispensing pump which includes multiple input and output ports accessed by rotating at least one of the pistons and a dual or multiple diameter piston or set of pistons that cooperate so that t...  
WO/2006/125606A1
The invention relates to a method which is used to control a pump device in order to transport pulpy substances, comprising at least two main transport cylinders which transport the pulpy substances in a transport line which is arranged ...  
WO/2006/096719A2
A precision fluid dispensing system containing a two-piece pump and a precision closed loop controller drive system to address the small volume precision dispensing requirements of bioscience applications. A multiple diameter pump can be...  
WO/2006/085433A1
[PROBLEMS] A liquid discharge method and device, where a turbulent flow and air bubbles are less likely to occur, where liquid does not unintentionally flow from a suction port to a discharge port, where debris is not produced, where dev...  
WO/2006/074036A2
A pump comprises a pump body; an actuator; and, one or more active valves. The pump body at least partially defines a pumping chamber which has an inlet port and an outlet port. The actuator is situated at least partially in the pumping ...  
WO/2006/069585A1
The invention relates to a unique pump/air chamber assembly which can be used to recover all forms of hydrocarbon products (liquid, pasty or lump form) from the surface or depths of a body of water or from the shoreline, as well as to re...  
WO/2006/056828A1
A volumetric pump (1) comprising at least one piston (2) in a hollow cylinder (3), said pump (1) having at least one inlet port (10) through which a liquid (15) can be sucked into a pump chamber (3) during an instroke of said piston (2),...  
WO2006031935B1
For pumps, compressors, and air or hydraulic motors with multiple cylinders such as swashplate or nutating type pumps and compressors with axial pistons arranged about a central axis, a orbit valve is connected through an eccentric and b...  
WO2005001283A3
A pump apparatus is provided which comprises a displacement pump and a ceramic valve construction formed of a ceramic rotor and a ceramic stator having flat surfaces which are positioned in sealing relationship. The displacement pump com...  
WO/2006/029898A1
The invention relates to a membrane pump for conveying liquids which is adapted to the use in sterile areas. The inventive pump is characterized in that all surfaces that contact the liquid to be conveyed are inclined and in that all jun...  
WO/2006/031935A1
For pumps, compressors, and air or hydraulic motors with multiple cylinders such as swashplate or nutating type pumps and compressors with axial pistons arranged about a central axis, a orbit valve is connected through an eccentric and b...  
WO/2006/013143A1
The invention relates to a piston pump for the supply of hydraulic fluid, comprising a reciprocating piston (3), for generation of pressure in a pressure chamber (9), with a seal element (4) arranged on the piston (3), which seals the pr...  
WO/2005/119058A2
A fluid connection comprised of a first fitting having a body with a first end and a second end. A passage extends through the body from the first end to the second end. A bracket is mounted to the second end of the body. The bracket def...  
WO/2005/119057A1
The invention relates to a method for operating a drive device for a dual-cylinder slurry pump and to a drive device for a dual-cylinder slurry pump, comprising two drive cylinders that are actuated by means of a fluid (1, 2), said cylin...  
WO/2005/119059A1
A displacement pump comprises: a cylinder with at least one end wall and a piston movable reciprocally therein by drive means. In co-¬≠action with valve means, liquid can hereby be drawn in and pumped. The reciprocal driving of the pisto...  
WO/2005/106246A1
Disclosed is a valve system for a device in which a first and a second piston pump (6, 8) take in a fluid (10) via a fluid inlet (9) and discharge the same in a pulseless manner via a fluid outlet (12). Said valve is composed of a single...  
WO/2005/093253A1
The invention relates to a device and a method for controlling a two-cylinder thick matter pump comprising delivery pistons that are actuated by means of a hydraulic reversing pump (6) and hydraulic drive cylinders that are controlled by...  
WO/2005/093252A1
The invention relates to a device and a method for controlling a two-cylinder thick matter pump comprising delivery pistons that are actuated in a push-pull manner by means of a hydraulic reversing pump (6) and hydraulic drive cylinders ...  
WO/2005/093251A1
The invention relates to a device and a method for controlling a two-cylinder thick matter pump comprising delivery pistons that are actuated in a push-pull manner by means of a hydraulic reversing pump (6) and hydraulic drive cylinders ...  
WO/2005/092413A1
A hand-held pharmaceutical dispenser (1) comprising first (10) and second (20) portions moveable relative to each other and defining an air chamber with rigid internal walls (26) therebetween. The second portion has an annular seal (27) ...  
WO/2005/087021A1
The present invention relates to a method for preparing a dairy product in a production line, comprising a step of continuously injecting at least one sterol and/or stanol ester through the production line at a predetermined temperature ...  
WO/2005/083267A1
The invention relates to a multi-cylinder viscous matter piston pump (1), for transporting in particular concrete. Said pump comprises at least two transport cylinders (3, 5), which transport the viscous matter from a pre-filled containe...  
WO2005044317A3
The invention relates to a method and a device (1) for supplying at least one vacuum (5) machining station (2). A first part of a supply device is arranged on a rotatable carrier element and is guided in such a way that it can be displac...  
WO2005024229A3
A sanitary pump and sanitary valve is provided employing a dual action piston for providing a constant pressure metering and delivery of fluids utilizing a drive shaft positively driven and controlled by a drive motor for sanitary applic...  
WO/2005/066491A1
A piston pump delivers precise and repeatable volumes of a fluid from a reservoir to a downstream component, and includes a piston that is rotatably and reciprocally mounted within a cylinder. The outer periphery of the piston forms an i...  
WO2004111509A8
A three-way two-position poppet valve (10) comprising a housing (12) with a generally cylindrical valve chamber (14), a first (20) and a second (16) port with coaxial 1 valve seats (26, 28) at the ends of the chamber, and a third lateral...  
WO/2005/052357A1
The invention relates to a high pressure feed pump (10) comprising a number of pump cylinders (12.1, 12.2) that are fixed to a housing and provided with a cylinder body (16) and admission valves (40.1, 40.2) and discharge valves arranged...  
WO2004085890A3
A moving cylinder assembly includes a cylinder having a chamber for receiving and engaging a piston, and a housing immediately embracing the cylinder and defining a slot through which the piston is positioned to allow for oscillating mov...  
WO/2005/044317A2
The invention relates to a method and a device (1) for supplying at least one vacuum (5) machining station (2). A first part of a supply device is arranged on a rotatable carrier element and is guided in such a way that it can be displac...  
WO2004106733A3
A metering pump for providing relatively, small, precise volumes of fluid is provided. The pump piston and/or the interior of the cylinder has a surface finish exhibiting a roughness average within selected limits and a vapor deposited p...  
WO2004103888A3
A reciprocating fluid dispenser including a pump drive motor (50) which is coupled to a reciprocating fluid pump (42) to actuate a pump shaft (72) within a pump cylinder (60), wherein the pump shaft includes a duct (76) that allows fluid...  
WO/2005/039674A1
A pump system for the subcutaneous delivery of a liquid medicament, having a pump module (10) comprising a stator housing (28) with a chamber (30), a rotor (32) rotatably and axially slidably received in the chamber and comprising a firs...  

Matches 251 - 300 out of 1,704