Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 7 - Piston machines or pumps characterised by having positively-driven valving
Patents for F04B 7 - Piston machines or pumps characterised by having positively-driven valving (2,226)
03/2011
03/08/2011CA2632121C Locking ring in a pump of a beverage system
03/03/2011US20110052417 Method of driving a well pump
03/03/2011DE102009038462A1 Taumelkolbenpumpe zur Dosierung eines Beschichtungsmittels Rotary piston pump for metering a coating agent
02/2011
02/24/2011WO2011020552A2 Rotary piston pump for metering a coating agent
02/04/2011CA2709048A1 Artificial lift and transfer pump
01/2011
01/27/2011WO2011010198A2 Fluid delivery system comprising a fluid pumping device and a drive system
01/27/2011US20110020159 Fluid working machine
01/27/2011CA2767523A1 Fluid delivery system comprising a fluid pumping device and a drive system
01/26/2011CN201723393U Control system of injection pump of shield tail
01/20/2011WO2011007306A2 Pump with rotor position measurement system
01/19/2011EP2275678A1 Pump with rotor position measurement system
01/13/2011WO2010129098A3 Compressor valve arrangement
01/05/2011EP2270334A1 Metering pump and its drving device
01/05/2011DE102009032204A1 Pumping device for use in multi-channel metering system, has drive arranged in retainer, and input coupling and output coupling detachably coupling gear mechanism to drive that is arranged on outer side of retainer
01/05/2011CN101939543A Fluid working machine
01/05/2011CN101939540A Continuous fluid delivery system and method
12/2010
12/29/2010EP2265819A1 Dosage and transfer valve, dosing pump comprising such a pivoting valve, and installation for producing dairy or cheese products, comprising at least one such pump
12/29/2010CN101932832A Method of operating a fluid working machine
12/15/2010CN1961152B Drive device for a dual-cylinder slurry pump and method for operating said pump
12/08/2010CN101910562A Method of operating a fluid working machine
12/02/2010WO2010116190A3 Fluid working machine and method of operating a fluid working machine
12/02/2010US20100303657 Operating method for fluid working machine
12/02/2010US20100303656 Metering pump and drive device thereof
12/02/2010US20100303655 Reciprocating pump
12/02/2010US20100303638 Method of operating a fluid working machine
11/2010
11/25/2010US20100296948 Method of operating a fluid working machine
11/23/2010US7837447 Diluter pump for chemistry analyzers
11/18/2010DE102009018870B3 Reciprocating piston compressor for charging internal combustion engine e.g. petrol engine, has cams acting together with slider over plunger and lever, such that slider is pressed against force of closing spring in its opening position
11/11/2010WO2010129098A2 Compressor valve arrangement
11/10/2010EP2247855A1 Rocking piston compressor
11/03/2010EP2246565A1 Method of operating a fluid working machine
10/2010
10/28/2010WO2010122268A1 Positive-displacement pump including a pressure absorber
10/20/2010CN101868294A Dual chamber mixing pump
10/14/2010WO2010116190A2 Fluid working machine and method of operating a fluid working machine
10/14/2010US20100260634 Volumetric Pump With Reciprocated and Rotated Piston
10/13/2010EP2239463A1 Fluid working machine and method of operating a fluid working machine
09/2010
09/30/2010US20100247359 Actively controlled valve and method for operating an actively controlled valve
09/23/2010WO2010019582A8 Dedicated pulsing valve for compressor cylinder
09/21/2010US7798783 Magnetically driven valveless piston pumps
09/16/2010US20100232996 Piston Pump for Thick Substances
09/14/2010US7793990 Fluid connection
09/01/2010EP2222957A2 Continuous fluid delivery system and method
09/01/2010EP1677859B9 Liquid drug delivery micropump
08/2010
08/31/2010US7785084 Method and apparatus for elimination of gases in pump feed/injection equipment
08/12/2010WO2010088780A1 Metering valve having electric motor drive
07/2010
07/28/2010EP2211058A1 Hydraulic pump
07/27/2010US7762238 Sleeve metered unit pump and fuel injection system using the same
07/22/2010WO2010082201A1 Dosing pump
07/22/2010WO2010081695A1 Method for feeding pasty masses and pump device for feeding pasty masses
07/22/2010CA2749386A1 Method for feeding pasty masses and pump device for feeding pasty masses
07/15/2010DE19982891B4 Brennstoffdosierpumpe für ein Heizgerät, insbesondere für einen Zuheizer oder eine Standheizung eines Kraftfahrzeugs Fuel feed pump for a heating appliance, especially for a heater or a heater of a motor vehicle
07/01/2010US20100166585 Microdosing Device for Dosing of Smallest Quantities of a Medium
06/2010
06/16/2010CN101387276B Axial plunger type high voltage common rail pump
06/10/2010US20100143161 Quad Chamber Mixing Pump
06/09/2010EP2194270A2 Dosing pump
06/09/2010CN201502493U Plunger pump used for producing soft capsules
06/03/2010WO2010060169A1 Valve actuation system for a suction valve of a gas compressor for refrigeration equipment
06/02/2010CN101718265A Sealing component of pumping equipment, distribution valve assembly, pumping equipment and control method
06/02/2010CN101187361B Multi-channel pump and its control method
06/01/2010US7726955 Pump system
05/2010
05/27/2010WO2010060121A1 Pump for viscous materials
05/26/2010EP2189660A2 Fluid pump
05/26/2010EP2189659A1 Fluid Pump
05/11/2010US7713037 Pump apparatus
05/06/2010WO2010049765A1 A volumetric pump and its driving mechanism
05/06/2010CA2741509A1 A volumetric pump and its driving mechanism
05/04/2010US7708535 Systems and methods for providing a dynamically adjustable reciprocating fluid dispenser
04/2010
04/29/2010WO2010046953A1 Hydraulic pressure generation device
04/29/2010WO2010046952A1 Hydraulic pressure generation device
04/28/2010CN1573455B Liquid crystal dispensing system using spacer information and method of dispensing liquid crystal material using the same
04/22/2010US20100098566 Linear compressor
04/22/2010DE102008052589A1 Fluid discharge device for use in air freshener device of air conditioning system of motor vehicle, has controlled valve devices actuated by common actuation device, where controlled valve devices are formed as valve device
04/20/2010US7699738 Oil pump structure of transmission
04/15/2010WO2009019013A3 Wear part for a concrete pump and method for the production of a wear part for a concrete pump
04/15/2010DE102009036663A1 Doppelt wirkende Hochdruck-Hydraulikpumpe Double-acting high-pressure hydraulic pump
04/08/2010US20100086415 Reciprocating compressor
04/07/2010EP2170493A1 Dual chamber mixing pump
04/01/2010WO2010019582A3 Dedicated pulsing valve for compressor cylinder
03/2010
03/25/2010DE202008017543U1 Hydraulische Pumpe Hydraulic pump
03/24/2010CN100595436C Device and method for controlling a two-cylinder thick matter pump
03/18/2010US20100068085 Reciprocating Compressor for Refrigerator
03/04/2010US20100052415 Hydraulic pump
02/2010
02/25/2010WO2010020241A1 Valve arrangement
02/24/2010EP1677859B1 Liquid drug delivery micropump
02/23/2010US7665303 Method of segregating a bolus of fluid using a pneumatic actuator in a fluid handling circuit
02/18/2010WO2010019582A2 Dedicated pulsing valve for compressor cylinder
02/17/2010CN100589719C Method for producing a dairy product
02/16/2010US7661936 Piston pump with slot-controlled inlet valve
02/16/2010US7661932 Pressure exchange apparatus
02/03/2010EP2148986A2 Pump
01/2010
01/20/2010CN100582481C Volumetric pump with reciprocated and rotary piston
01/19/2010US7648349 Nutating pump with reduced pulsations in output flow
01/14/2010US20100008801 Reciprocating piston compressor
01/13/2010EP2143947A1 Micropump
01/13/2010CN100580246C Device for delivering fixed quantity of liquid
01/13/2010CN100580245C Liquid discharge method and device
01/07/2010US20100003146 Piston type compressor
12/2009
12/31/2009DE102008030768A1 Internal combustion engine, has disk valve with end area rotatably accommodated with intake mouth such that coolant opening lies in intake opening and/or end area rotatably overlaps mouth so that intake opening lies in coolant opening
12/24/2009US20090317267 Hydraulic intensifiers
12/23/2009WO2009153606A1 Fluid working machines and methods
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