Patents
Patents for F04B 13 - Pumps specially modified to deliver fixed or variable measured quantities (2,234)
01/2007
01/04/2007DE202005013089U1 Magnetic dosing pump, with a pressure piece and push rod acting on a membrane, has a reference unit for them with a non-contact position sensor to give an actual position signal for a control setting against a nominal value profile
01/03/2007CN2854139Y Quick air-discharge structure for hydraulic oil cavity of metering pump
01/02/2007CA2384371C Apparatus for metering agricultural chemicals
12/2006
12/27/2006EP1554494B1 Fluid dispenser calibration system and method
12/27/2006CN2851639Y Hydraulic diaphragm type metering pump with front-mounted protective formwork structure
12/27/2006CN1291897C Quantitative distributor
12/20/2006CN1291154C Pump for liquid chromatograph and running method thereof
12/14/2006WO2006044468A3 Multiple port dual diameter pumps
12/07/2006DE102005024858A1 Verfahren zum Betreiben einer Dosierpumpe, insbesondere zum Fördern von Brennstoff für ein Fahrzeugheizgerät Method for operating a dosing pump, particularly for pumping fuel for a vehicle heating device
12/06/2006EP1729008A1 Method for driving a dosing pump, in particular for pumping a combustible of a vehicle heater
12/06/2006CN2844484Y Electromagnetic metering pump
11/2006
11/30/2006WO2006125671A1 Device and method for transporting medicinal liquids
11/28/2006CA2404715C Rotary valve and piston pump assembly and tank dispenser therefor
11/15/2006CN2837546Y Ultra-minisize rotary plunger metering pump
11/02/2006WO2006115590A1 Metered pulse pump
11/02/2006EP1716884A1 Reservoir connector
11/02/2006EP1104336B1 Dosage dispenser
10/2006
10/26/2006DE102005018324A1 Membrane pump assembly for e.g. environmental, wet oxidation of waste water or melamine preparation applications
10/25/2006EP1507976B1 A pump unit for emulsifying air into a product in particular for ice cream production
10/18/2006CN2828380Y Diaphragm metering pump
10/12/2006US20060225515 Device for metering a volume flow
10/11/2006CN2826004Y High-precision advection pump
10/11/2006CN1846053A Dosing pump for a liquid fuel additive
10/10/2006US7118347 Method for activating an electric motor and a metering pump by supplying predetermined pulse intervals to supply predetermined fluid quantities
10/05/2006DE102004062830B4 Dosierpumpe, insbesondere Kraftstoffpumpe für ein Fahrzeugheizgerät Dosing, particularly fuel pump for a vehicle heater
09/2006
09/28/2006WO2006100979A1 Shot pump and variable speed type two-liquid metering and mixing apparatus
09/27/2006EP1705373A1 Pump
09/20/2006CN2818842Y Electromagnetic diaphragm metering pump
09/20/2006CN1275834C Hand operated pump distributor
09/20/2006CN1275700C Liquid material delivering method and device therefor
09/19/2006US7108158 Liquid dispensing device
09/14/2006WO2006096719A2 Precision fluid dispensing system
09/14/2006US20060204390 Proportioning pump including integral orifice
09/14/2006CA2600682A1 Precision fluid dispensing system
09/12/2006CA2154732C Pump having a membrane
08/2006
08/30/2006EP1695182A2 Material conveying systems, computer program products, and methods
08/24/2006WO2006087037A1 Fluid pump having high pressure metering and high pressure delivering
08/24/2006WO2006087036A1 Fluid pump having low pressure metering and high pressure delivering
08/23/2006EP0993330B1 Active pump phasing to enhance chromatographic reproducibility
08/23/2006CN2809265Y Superhigh pressure hydraulic diaphragm type metering pump with inside circulation pressure balance system
08/23/2006CN1271332C Liquid dispensing device
08/17/2006DE202006006912U1 Pump with adjustable settings can be used as dosing- or metering pump optionally at high pressures, or simply as high pressure pump
08/16/2006CN1270082C Device for draining fluid
08/16/2006CN1270081C Positive displacement valve pump
08/16/2006CN1269557C Automatic system and method for preparing high viscosity fluid formulation
08/10/2006US20060178612 Blood processing systems with fluid flow cassette with a pressure actuated pump chamber and in-line air trap
08/10/2006US20060178611 Fluid pressure actuated blood pumping systems and methods with continuous inflow and pulsatile outflow conditions
08/02/2006CN1267207C Viscous liquid metering transporting device
07/2006
07/27/2006WO2006078018A1 Liquid discharging device
07/27/2006US20060163509 Dosage feed device for additive fluids
07/27/2006DE102004062830A1 Dosing pump e.g. fuel pump, for vehicle heating device, has pump unit movable in pump chamber for discharging fuel, where volume of chamber occupied by pump unit is changeable by volume adjusting unit
07/20/2006DE102005001465A1 Operating dosing pump, especially for feeding fuel to vehicle heater, involves determining frequency of motion of pumping element depending on required transport quantity of medium and on parameter related to operating life of pump
07/19/2006CN1265092C Device and method for controlling reciprocating compressor operation
07/13/2006WO2006072445A1 Dosing pump assembly
07/13/2006WO2006072444A1 Dosing pump assembly
07/13/2006US20060153716 Device for sucking liquid and method for sucking liquid
07/13/2006DE102004034231B4 Dosing pump e.g. fuel dosing pump, for vehicle heater has pump body whereby pump body is firmly connected to line adapter by deformation and pump body also has valve seat which is connected to line adapter
07/12/2006EP1678440A1 Grease handling system
07/06/2006DE102004062832A1 Fuel pumping device for motor vehicle heater, has pumping units which are operated parallely during supply operation, where part of pump units is formed with variable supply capacity for influencing volumetric flow of fluid to be supplied
07/06/2006DE10147610B4 Vorrichtung und Verfahren zur Steuerung eines Kolbenverdichters Apparatus and method for controlling a reciprocating compressor
07/05/2006EP1676628A1 Dosing pump unit
07/05/2006CN1796786A Stroke control mechanism of metering pump
06/2006
06/29/2006DE102004047584A1 Dosing pump for direct dosing of active substance has lifting element formed as piston movable between two end positions, elastic ring is provided between housing and piston and partially compressed in both end positions of piston
06/29/2006DE102004002454B4 Dosierpumpsystem und Verfahren zum Betreiben einer Dosierpumpe Metered pumping system and method for operating a metering pump
06/27/2006US7066353 Fluid powered additive injection system
06/21/2006CN1791748A Proportioning pump including integral orifice
06/21/2006CN1789711A Hydraulic diaphragm type metering pump with preposed diaphragm protection plate structure
06/20/2006US7063785 Pump for liquid chromatography
06/20/2006US7063513 Liquid chromatograph pump with dual cylinders and dual plungers
06/20/2006US7063235 Metering pump dispenser
06/07/2006EP1664517A1 Dosing pump for a liquid fuel additive
06/07/2006CN1782371A Apparatus and methods for pumping high viscosity fluids
05/2006
05/24/2006EP1301710B1 Dosing pump with an electric motor
05/23/2006US7048801 Chemical pump and method of discharging chemical solution
05/23/2006US7048523 Proportioning pump including integral orifice
05/23/2006US7048512 Method and system intended for fine proportioning of fluids injected into a pumping installation with check valve proportioning compensation
05/17/2006CN1773117A Hydraulic oil cavity fast emptying structure for metering pump
05/03/2006CN1254608C Dosing device for conveying small amounts of substances
05/02/2006CA2143161C Pump particularly useful in respirator apparatus
04/2006
04/27/2006WO2006044468A2 Multiple port dual diameter pumps
04/26/2006CN2775344Y Quantity regulating mechanism for metering pump
04/19/2006CN1251806C Fluid product dispensing pump
04/18/2006US7029249 Electronic micro-pump
04/18/2006US7029238 Pump controller for precision pumping apparatus
04/18/2006US7029164 Automated system and process for the preparation of a high viscosity fluid formulation
04/18/2006CA2311098C Pumping system for the injection of measured quantities of fluid into a fluid stream
04/13/2006DE102004049171A1 Dosierpumpe insbesondere Kraftstoffdosierpumpe für ein Fahrzeugheizgerät oder ein Reformersystem Dosing particular fuel metering pump for a vehicle heater or a reformer system
04/12/2006EP1645754A2 Dosing pump for fuel dosing in a car heating or reformer system
04/12/2006CN1250336C Electronic micro-pump
04/11/2006CA2346525C Reservoir connector
04/06/2006WO2006034898A1 Device for filling doses of a liquid
04/06/2006US20060070960 Apparatus and methods for pumping high viscosity fluids
04/05/2006EP1642615A2 Reservoir connector
04/05/2006EP1485682A4 Hydraulically and volumetrically dispensing and filling fluid
03/2006
03/30/2006DE102004044344A1 Dosiervorrichtung Metering
03/28/2006US7018477 Dispensing system with a piston position sensor and fluid scanner
03/22/2006EP1637735A1 Method and apparatus to deliver fixed quantities of a high pressure fluid
03/08/2006EP1185793B1 Method and arrangement for pumping material
03/07/2006US7007866 Metering device for the conveyance of small substance quantities
03/07/2006US7007828 Chemical metering pump
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