| Patents for F04C 14 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (3,663) |
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| 05/16/2001 | CN1295197A Progressive cavity pump with fusible stator |
| 05/08/2001 | US6227816 Hydraulic delivery device |
| 05/03/2001 | WO2001006095A3 High efficiency turbine |
| 05/03/2001 | WO2000079132A3 Downhole roller vane pump |
| 04/26/2001 | DE19950206A1 Vorrichtung mit antriebskombinierten Umlaufverdrängerpumpen, insbesondere außenverzahnte Zahnradpumpen, vor allem für Brennkraftmaschinen Device with power combined Umlaufverdrängerpumpen, especially external gear pumps, especially for internal combustion engines |
| 04/26/2001 | DE10039347A1 Hydraulic pump with variable delivery amount with pump body and cam ring supported in body so that it can swivel in direction and cam ring defines pump chamber and first and second fluid |
| 04/25/2001 | EP1094221A1 Apparatus with rotary positive displacement pumps having combined drive |
| 04/24/2001 | US6220838 Progressive cavity pump with meltable stator |
| 04/19/2001 | DE19837275C2 Mengenregelbare Flügelzellenpumpe A volume-controllable vane pump |
| 04/18/2001 | EP1092440A1 Liquid pump |
| 04/17/2001 | US6217296 Variable displacement pump |
| 04/12/2001 | DE19945122A1 Hydraulische Steuereinrichtung Hydraulic control device |
| 04/11/2001 | EP1091126A1 Internal gear pump |
| 04/10/2001 | US6213730 Flow control apparatus for a hydraulic pump |
| 04/05/2001 | DE19943107A1 Exzenterschneckenpumpen-Anschlußvorrichtung und Exzenterschneckenpumpe mit einer derartigen Anschlußvorrichtung Progressive cavity connecting device and progressing cavity pump with such a connection device |
| 03/29/2001 | WO2001002730A8 Internal gear machine for reversed operation in a closed hydraulic circuit |
| 03/29/2001 | DE19945922A1 Innenzahnradpumpen umfassendes Pumpenaggregat Internal gear pumps complete pump unit |
| 03/28/2001 | EP1087138A2 Pump unit with two internal gear pumps |
| 03/27/2001 | US6206646 Method and sensor for the detection of cavitations and an apparatus containing a sensor of this kind |
| 03/22/2001 | DE19952287A1 Relief valve apparatus used in oil pump of internal combustion engine, has one of relief holes with maximum opening area, which are sequentially opened |
| 03/14/2001 | EP1083336A2 Moineau pump and connection device |
| 03/14/2001 | CN1287590A Drive head for a rotary-driven rod assembly, especially for driving a sand pump |
| 03/13/2001 | US6200114 Variable flow pump |
| 02/28/2001 | EP1078204A1 A device for the supply of a liquid fuel to a burner member |
| 02/28/2001 | EP0817738B1 Hydraulic vehicle brake system |
| 02/22/2001 | WO2001012991A1 Dual lobe, split ring, variable roller vane pump |
| 01/25/2001 | WO2001006127A1 Reversible vane pump and motor |
| 01/25/2001 | WO2001006095A2 High efficiency turbine |
| 01/25/2001 | DE19933864A1 Door opener system has a throttle in the pressure channel from the hydraulic pump to the door opening mechanism to match the loading during the door movement phases for a constant pump speed |
| 01/25/2001 | CA2379761A1 High efficiency turbine |
| 01/18/2001 | DE19933484A1 Pump unit for lubrication system of internal combustion engine, in which on of internal rotors has device for controlled interruption of drive connection |
| 01/18/2001 | DE19930910C1 Innenzahnradpumpe für Reversierbetrieb im geschlossenen hydraulischen Kreislauf Internal gear pump for reversing the closed hydraulic circuit |
| 01/11/2001 | WO2001002730A1 Internal gear machine for reversed operation in a closed hydraulic circuit |
| 01/11/2001 | WO2001002729A1 Axial compensation in an inner geared pump for a closed circuit |
| 01/02/2001 | US6168401 Hydraulic conveying device |
| 01/02/2001 | US6168391 Oil pump apparatus |
| 12/28/2000 | WO2000079132A2 Downhole roller vane pump |
| 12/27/2000 | EP0846224B1 Fuel supply pump for a fuel injection pump for internal combustion engines |
| 12/27/2000 | CN1278317A Drive head for rotary-driven rod assembly, especially for driving sand pump |
| 12/26/2000 | US6164922 Flow control valve for a pump for conveying a medium |
| 12/13/2000 | EP1058788A1 Hydrostatic pump or engine with infinitely variable debit or impulse |
| 12/13/2000 | CN1276852A 低噪音抽吸泵 Low noise suction pump |
| 12/12/2000 | US6158976 Hydraulic pump |
| 12/05/2000 | US6155797 Variable displacement pump |
| 11/30/2000 | DE19947577A1 Continuously variable conveyor device for flowable media has pair of gearwheels with variable tooth engagement depth and sealing element on one side face and sealing filling element on opposite side face with profiled elements |
| 11/28/2000 | US6152716 Vane pump |
| 11/28/2000 | US6152231 Wellhead drive brake system |
| 11/23/2000 | DE19923201A1 Für einen Einsatz in einem aggressiven Medium vorgesehener Einsatz For use in an aggressive medium intended use |
| 11/22/2000 | EP1054499A2 Electromotor for use in an agressive medium |
| 11/22/2000 | EP0845080B1 Outlet pressure control for internal gear pump |
| 11/21/2000 | US6149410 Reversible gerotor pump having magnetic attraction between the rotor and the reversing ring |
| 11/07/2000 | US6142750 Gear pump and replaceable reservoir for a fluid sprayer |
| 11/02/2000 | EP1048879A2 Pressure fluid supply of a CVT |
| 11/02/2000 | EP1048842A2 Fuel control system and valve therefor |
| 11/02/2000 | DE19924855A1 Druckmittelversorgung eines CVT-Getriebes Pressure medium supply of a CVT |
| 11/02/2000 | DE19917593A1 Hydraulische Verdrängermaschine Hydraulic displacement |
| 10/31/2000 | US6139285 Hydraulic pump for power steering system |
| 10/25/2000 | EP1046819A2 Positive displacement hydraulic machine |
| 10/24/2000 | US6135741 Recirculating flow path for gear pump |
| 10/24/2000 | US6135723 Efficient Multistage pump |
| 10/19/2000 | WO2000061971A1 Control devices of a hydrostatic transmission |
| 10/19/2000 | DE19915784A1 Gear pump used for medical purposes has channel on inner side of base or cover plate facing intermeshing gearwheels and acting as flow passage between suction chamber and pressure chamber |
| 10/18/2000 | EP1045147A2 Two speed gerotor motor |
| 10/18/2000 | CN1270283A Two speed motor with external chamber circulation |
| 10/12/2000 | DE19915739A1 Mengenregelbare Flügelzellenpumpe A volume-controllable vane pump |
| 10/12/2000 | DE19915738A1 Mengenregelbare Flügelzellenpumpe A volume-controllable vane pump |
| 10/12/2000 | DE19915555A1 Displacement pump with flow regulating valve and pressure regulating valve, latter containing closure body loaded by spring force and sealing against sealing edge limiting sealing surface |
| 10/11/2000 | EP1043504A2 Vane pump with capacity control |
| 10/11/2000 | EP1043503A2 Vane pump with capacity control |
| 10/11/2000 | EP1042855A1 Driving mechanism for a pump |
| 10/11/2000 | EP1042586A1 Drive head for a rotary-driven rod assembly, especially for driving a sand pump |
| 10/05/2000 | DE19914499A1 Fördervorrichtung für pastöse Massen und Verfahren zur Bestimmung deren Luftinhaltes Conveyor for pasty materials and mechanisms for determining the air content |
| 10/04/2000 | EP1040758A1 Device for transporting pasty material and method for detecting the air quantity |
| 10/03/2000 | US6126420 Infinitely variable ring gear pump |
| 09/27/2000 | EP0954678A4 Hydraulic vane pump with flexible band control |
| 09/26/2000 | US6123533 Cavitation-free gear pump |
| 09/25/2000 | CA2272269A1 Flow responsive time delay pump motor control logic |
| 09/21/2000 | WO2000043673B1 Efficient multistage pump |
| 09/19/2000 | US6120256 Variable displacement pump |
| 09/14/2000 | DE19840791A1 Vane cell pump/motor is without defined suction and pressure sides for 4-quadrant operation |
| 09/13/2000 | EP1035327A2 Vane pump |
| 09/12/2000 | US6116859 Pressure operated by-pass valve disposed in the cover of a feed pump for reverse flow |
| 09/07/2000 | DE19909963A1 Van or roller-cell displacement pump, with second bypass channel between throttle channel and outlet channel |
| 09/05/2000 | US6113360 Gerotor pump |
| 09/05/2000 | US6112718 Pressure regulator |
| 08/23/2000 | EP1029178A1 Drive head for a rotary-driven rod assembly, especially for driving a sand pump |
| 08/23/2000 | CN1264454A Rotary pump with hydraulic vane actuation |
| 08/17/2000 | DE19857726A1 Rotary piston pump/motor unit has working chamber with volume adjusted by relative movement of cylinder housing and rotary piston |
| 08/17/2000 | DE10004028A1 Variable displacement pump for e.g. power steering in motor vehicles has first and second fluid pressure chambers on either side of cam ring separate from pump outlet flow paths |
| 08/16/2000 | EP1027541A1 Regulating device for positive-displacement pumps |
| 08/15/2000 | US6102684 Cavitation noise abatement in a positive displacement fuel pump |
| 08/09/2000 | EP1026392A1 Gear pump and electric pump group having such a pump |
| 08/09/2000 | EP1025363A1 Positive-displacement pump |
| 08/08/2000 | US6099280 Two speed geroter motor with external pocket recirculation |
| 08/08/2000 | US6099263 Fuel delivery pump with a bypass valve and an inlet check valve for a fuel injection pump for internal combustion engines |
| 08/01/2000 | US6095773 Vane cell pump |
| 08/01/2000 | US6095763 Fuel delivery pump with a bypass valve, for a fuel injection pump for an internal combustion engine |
| 07/27/2000 | WO2000043676A1 Vane-cell pump or motor |
| 07/27/2000 | WO2000043673A1 Efficient multistage pump |
| 07/27/2000 | DE19902017A1 Blade cell pump or motor, with rotor chamber inside stator in bearing housing which is radially adjustable relative to drive shaft |