| Patents for F04B 11 - Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation (1,551) |
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| 06/22/2006 | DE102005004208A1 Method for reducing noises caused by fluid pulsation involves hydraulic system, which with help of rotating pulsation-valve produces pressure pulsation, which partly compensates fluid pulsation |
| 06/21/2006 | EP1671031A2 Fluid pump, particularly high-pressure fuel pump |
| 06/21/2006 | EP1404970B1 Piston pump |
| 06/20/2006 | US7063785 Pump for liquid chromatography |
| 06/20/2006 | US7063513 Liquid chromatograph pump with dual cylinders and dual plungers |
| 06/15/2006 | US20060124546 Continuously desalinating sea water by reverse osmosis, where salt water is introduced under first pressure into pressure compensating device, salt water is introduced from pressure compensating device at second increased pressure and separated into desalinated water and concentrated sea water |
| 06/14/2006 | EP1276991B1 Method for reducing noise and cavitation in machines and pressure exchangers which pressurize or depressurize fluids by means of the displacement principle |
| 06/14/2006 | DE102004023195B4 Radialkolbenpumpe mit Ausgleichsgewicht Radial piston pump with counterweight |
| 05/31/2006 | EP0760059B1 Low power electromagnetic pump |
| 05/24/2006 | EP1495231B1 Hydro damper |
| 05/23/2006 | US7048517 Pump as a pressure source for supercritical fluid chromatography |
| 05/23/2006 | US7048512 Method and system intended for fine proportioning of fluids injected into a pumping installation with check valve proportioning compensation |
| 05/11/2006 | US20060096558 Piston engine comprising a pulsation-reducing device |
| 05/04/2006 | DE102004052817A1 Kolbenpumpe Piston pump |
| 05/02/2006 | US7037081 High pressure reciprocating pump and control of the same |
| 04/20/2006 | DE102004050021A1 Magnetic piston pump for pumping and dosing liquids has alternate volume connected to pump cavity |
| 04/19/2006 | EP1046815B1 Apparatus for damping pulsation of pump |
| 04/18/2006 | US7029250 Pulsation damper |
| 04/05/2006 | CN1249341C Pumping arrangement |
| 03/29/2006 | EP1421278B1 Pumping arrangement |
| 02/28/2006 | US7004733 Piston pump |
| 02/28/2006 | US7004121 Arrangement at a piston engine and method of controlling the pistons |
| 02/23/2006 | US20060039812 Pulsation damper designed to ensure alignment of diaphragm during assembling |
| 02/23/2006 | DE19902259B4 Montageverfahren Assembly method |
| 02/23/2006 | DE102005035726A1 Linearpumpe Linear pump |
| 02/23/2006 | DE102005033467A1 Verbesserte Getriebepumpe und Filter Improved gear pump and filter |
| 02/23/2006 | DE102004047601A1 Fluid pump e.g. high-pressure fluid pump, for internal combustion engine, has extension in flow path leading from inlet to chamber and multifunction unit arranged in extension and including retaining section for retaining filter device |
| 02/16/2006 | WO2006016047A1 Heart circulatory support |
| 02/15/2006 | CN1242165C Discharge apparatus for reciprocating compressor |
| 02/14/2006 | US6997683 High pressure reciprocating pump and control of the same |
| 02/08/2006 | EP1623118A1 Reciprocating pump |
| 01/26/2006 | US20060018778 Hermetic compressor |
| 01/26/2006 | US20060018767 Transmission pump and filter |
| 01/24/2006 | CA2379641C Double acting, two-stage pump |
| 01/18/2006 | EP1617077A1 Swash plate compressor |
| 01/18/2006 | CN1237272C Reciprocating pump having linear motor driving device |
| 01/12/2006 | US20060008370 Liquid handling device with surface features at a seal |
| 01/12/2006 | DE102005029850A1 Low density counterweight for eccentric driven pump, has circular nib formed of specific density, arranged offset from axis of drive shaft along radial direction |
| 01/05/2006 | DE202004020772U1 Novel PCR primer pair, useful for identifying insecticide or organophosphorous pesticide resistant Aphis gossypii |
| 12/22/2005 | DE19842021B4 Vorrichtung zur Reduktion des Speisdruck-Pulsierens von Hochdruck-Treibstoffpumpen A device for reducing the pressure pulsation meat of high-pressure fuel pump |
| 12/15/2005 | WO2005119059A1 Displacer machine, particularly a hydraulic motor or pump |
| 12/08/2005 | US20050271533 Pump apparatus |
| 12/07/2005 | EP1602827A2 Pump pulsation damper |
| 12/07/2005 | EP1455567A4 Electronic proportioner using continuous metering and correction |
| 12/01/2005 | US20050263207 Method and device for pouring plastic raw material liquid |
| 11/16/2005 | EP1370450B1 Piston pump |
| 11/10/2005 | DE4243075B4 Elektrisch geregelte Verstellpumpe Electrically controlled variable |
| 10/27/2005 | DE19947890B4 Verfahren zum Betreiben einer Pumpe in einer Kraftstoffeinspritzanlage A method of operating a pump in a fuel injection system |
| 10/27/2005 | DE102004017049A1 Pump for use in braking system, has two pumping units between which feeder line with increased diameter is provided, so that additional absorption volume is made available, where cylinder bore of one unit is similar to that of other unit |
| 10/26/2005 | EP1589336A1 Leakage checking and calibration of a liquid delivery system |
| 10/25/2005 | US6957567 Method and system for the controlled application of fluid pressure to a load, especially for pressure testing pipe |
| 10/20/2005 | US20050232792 High-pressure small volume pump |
| 10/19/2005 | EP1240429B1 Multi-piston engine, such as a pump or compressor, with improved vibrational behaviour |
| 10/13/2005 | WO2005095875A1 Flow path device, freezing cycle device, pressure pulsation reducing device, and pressure pulsation reducing method |
| 10/05/2005 | CN1678442A Method and device for pouring plastic raw material liquid |
| 09/13/2005 | CA2117258C Transfer tube material flow management |
| 09/08/2005 | DE19543780B4 Radialkolbenpumpe Radial piston pump |
| 09/01/2005 | US20050191194 Low power electromagnetic pump having internal compliant element |
| 08/31/2005 | CN1662745A High-pressure small volume pump |
| 08/17/2005 | EP1427536B1 Device for conveying powder and method for operating the same |
| 08/17/2005 | EP1155238B1 Hydraulic pump unit |
| 08/11/2005 | DE19611637B4 Verfahren zum Betreiben einer Peristaltikpumpe und Peristaltikpumpe zur Durchführung des Verfahrens A method for operating a peristaltic pump and a peristaltic pump for performing the method |
| 08/10/2005 | EP1560637A1 Method and device for desalinating water while overcoming decreases in pressure |
| 08/02/2005 | US6923916 Liquid chromatograph pump and control method therefor |
| 07/28/2005 | DE10359187A1 Radial piston pump for CVT-transmission, has circlip arranged between inner and outer slip rings, and enclosing beams that are coupled with one another and evenly arranged in tangential direction, and bridges provided between beams |
| 07/07/2005 | WO2005061371A1 Fluid dispensing system with two pumps |
| 07/07/2005 | DE19503360B4 Pumpe und Verfahren zur Steuerung einer Pumpe Pump and method for controlling a pump |
| 06/29/2005 | EP0908622B1 Pulsation reducing device |
| 06/16/2005 | US20050129549 Hydro damper |
| 06/16/2005 | US20050127088 Constant pressure fluid-dispensing pumping system and method |
| 06/16/2005 | DE10032793B4 Pumpenanordnung und Verfahren zum geglätteten Pumpen eines Fluids Pump assembly and method of smoothed pumping a fluid |
| 06/15/2005 | EP1541314A1 Method and device for pouring plastic raw material liquid |
| 06/15/2005 | EP1540178A1 Hydraulic amplification device for a high-pressure pumping system |
| 05/25/2005 | CN1619305A Liquid feed pump apparatus |
| 05/19/2005 | DE102004050412A1 Gaskompressor Gas compressor |
| 05/18/2005 | EP1108141B1 Piston pump |
| 05/12/2005 | US20050100464 Liquid feed pump apparatus |
| 05/05/2005 | US20050095145 Liquid chromatograph pump and control method therefor |
| 04/28/2005 | US20050089428 Pump pulsation dampening attachment and method for dampening pump pulsations |
| 04/21/2005 | US20050084397 Gas compressor |
| 04/21/2005 | US20050084386 Gradient liquid feed pump system, and liquid chromatograph |
| 04/20/2005 | EP1523622A1 Piston engine comprising a pulsation-reducing device |
| 04/07/2005 | WO2005031161A2 Fluid pump particularly high-pressure fuel pump with pressure damper |
| 04/06/2005 | EP1521076A1 Sheath flow forming device and sample analyzer provided with same |
| 03/24/2005 | WO2005026551A1 Pump piston force modulator |
| 03/24/2005 | US20050063848 Double-acting reciprocating downhole pump |
| 03/24/2005 | US20050061722 Pump, pump for liquid chromatography, and liquid chromatography apparatus |
| 03/22/2005 | US6869152 Hydraulic unit |
| 03/16/2005 | EP1514027A2 High-pressure small volume pump |
| 03/16/2005 | CN1596070A Electronic proportioner using continuous metering and correction |
| 03/10/2005 | US20050053487 Motor/pump aggregate |
| 03/10/2005 | US20050053469 Multiple-compressor system having base and trim compressors |
| 03/01/2005 | US6860103 Multiple-compressor system having base and trim compressors |
| 02/15/2005 | US6854269 Noise attenuation in a hydraulic circuit |
| 02/03/2005 | US20050023205 Pump for liquid chromatography |
| 02/03/2005 | DE19531064B4 Pulsationsfreie Pumpe Pulse-free pump |
| 01/27/2005 | US20050019188 Damper mechanism and high pressure fuel pump |
| 01/27/2005 | US20050019106 Device for conveying powder and method for operating the same |
| 01/26/2005 | EP1500811A1 Damper mechanism for a high pressure fuel pump |
| 01/20/2005 | US20050013706 Fuel metering pump |