Patents for F04C 14 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (3,663)
02/2002
02/07/2002DE10063953A1 Verfahren und Vorrichtung zum Betreiben einer Schneckenpumpe Method and apparatus for operating a screw pump
01/2002
01/31/2002US20020012598 Gerotor pump having an eccentric ring housing with an integral pressure chamber
01/31/2002DE10128499A1 Pumpe mit variabler Verdrängung Variable displacement pump
01/31/2002DE10034238A1 Hydrotransformator Hydro transformer
01/24/2002WO2002006669A1 Hydraulic transformer
01/17/2002US20020006345 Hydraulically retractable hydraulic motor
01/10/2002US20020004013 Vane pump
01/03/2002WO2002001074A1 Vane-cell pump
01/03/2002WO2002001073A1 Constant flow vane pump
01/03/2002DE10120252A1 Pumpe mit veränderlicher Verdrängung Pump with variable displacement
01/02/2002EP1167768A2 Vane Pump
01/02/2002EP1165979A1 Hybrid bearing
01/01/2002US6335581 Electric motor intended for use in an aggressive medium
12/2001
12/27/2001US20010055528 Control for progressive cavity pump
12/26/2001CN1328490A Gear pump and replaceable reservoir for fluid sprayer
12/25/2001CA2219062C Infinitely variable ring gear pump
12/20/2001DE10027990A1 Vane or roller pump has intermediate hydraulic capacity which can be pressurized via connection to pressure connection
12/19/2001EP1163449A1 Variable displacement vane pump
12/13/2001WO2001094791A1 Pump
12/13/2001WO2001094790A1 Transmission for deep well pump
12/12/2001CN1326048A Varied speed ratio hydraulic motor with external circulation
12/11/2001US6328543 Gear pump and replaceable reservoir for a fluid sprayer
12/11/2001US6328535 Flow control valve capable of adjusting fluid flow characteristics in accordance with a position of a valve element in a bore
12/04/2001CA2183303C Pump protection system with an interstage liquid/gas phase detector
11/2001
11/29/2001US20010045233 Process and device for pressurizing flowable reaction components
11/29/2001DE10025723A1 Geregelte Pumpe Controlled pump
11/29/2001DE10024696A1 Pump system has pump regulating element(s) adjustable by external control parameters; regulating elements are coupled so further element can be adjusted depending on external control
11/28/2001EP1158165A2 Gyrotor hydraulic motor
11/27/2001US6322329 Hydraulic pump of the gear type and electro-pump equipped with such a pump
11/22/2001WO2001088379A1 Method and device for operating a screw pump
11/21/2001EP1156220A2 Internal gear pump
11/20/2001US6318973 Fuel pump
11/15/2001WO2001086149A2 Fluid motor
11/15/2001DE10020162A1 Verfahren und Vorrichtung zum Herstellen eines Massivstoff oder Schaumstoff bildenden, fließfähigen Reaktionsgemisches Method and apparatus for producing a solid material or foam-forming, flowable reaction mixture
11/14/2001CN1322281A Rotary machine
11/14/2001CN1321575A Flowing reactive component pressurizing process and equipment
11/06/2001US6312238 Hydraulically retractable hydraulic motor
11/01/2001US20010036412 Variable displacement pump
11/01/2001US20010036411 Reversible variable displacement hydraulic pump and motor
10/2001
10/31/2001EP1149674A2 Verfahren und Vorrichtung zur Druckbeaufschlagung von fliessfähigen Reaktionskomponenten
10/25/2001WO2001079684A1 Pump
10/25/2001US20010033802 Double rotor-vane pump
10/25/2001US20010033797 Regulatable pump
10/25/2001DE10018749A1 Quantity-controllable fly pump has swivel control ring with overflow cross-sections and curved recess divided by sealing strip into two opposite chambers to reduce delivery when friction force is too high
10/24/2001EP1148244A2 Variable displacement pump
10/18/2001US20010031204 Variable displacement pump
10/18/2001DE10023330C1 Variable pump for lubrication of IC engine has regulation device controlling volumetric flow and/or pressure in pressure line leading to engine
10/11/2001US20010028857 Hydristor control means
10/11/2001US20010027652 High efficiency turbine
10/10/2001EP1141551A1 Pump assembly comprising two hydraulic pumps
10/09/2001US6299600 Liquid pump
10/09/2001US6299418 Oil pump apparatus
10/09/2001US6298820 Apparatus and method of protecting a water pump driven by a combustion engine from high speed damage
10/02/2001US6296456 Positive displacement pump systems with a variable control orifice
09/2001
09/27/2001WO2001071191A2 Control for progressive cavity pump
09/27/2001US20010024618 Adjustable-displacement gear pump
09/26/2001EP1135214A1 A gear pump and replaceable reservoir for a fluid sprayer
09/25/2001US6293777 Hydraulic positive displacement machine
09/25/2001US6293765 Tandem fixed displacement pump with torque control
09/20/2001DE10040692C1 Internal gear pump to supply fuel from suction to pressure channel has internally toothed ring gear and eccentric outer toothed pinion driven on drive shaft, to form pump action
09/19/2001EP1133640A1 Rotary pump
09/13/2001US20010021351 Gear unit for a deep-borehole pump
09/13/2001DE10011187A1 Getriebe für eine Tiefbohrlochpumpe Gear for a deep well pump
09/12/2001EP1132620A2 Transmission for deep well pump
09/07/2001WO2001065118A1 Hydraulic pressure transformer
09/06/2001DE10043842A1 Zahnradpumpe mit einer fördermengenverändernden Verschiebeeinheit Gear pump with an output flow changing displacement unit
09/05/2001EP1130262A2 Gear pump with flow capacity changing sliding unit
09/05/2001EP1129293A1 Rotary hydraulic machine
09/04/2001US6283736 Hydrostatic pump or engine with infinitely variable debit or impulse
09/04/2001US6283735 Variable-delivery external gear pump
08/2001
08/30/2001DE10029969C1 Flügelzellenpumpe Vane pump
08/29/2001EP1027541B1 Regulating device for positive-displacement pumps
08/28/2001US6280150 Variable displacement pump
08/23/2001WO2001061150A1 Hydraulically retractable hydraulic motor
08/23/2001US20010016167 Static cam seal for variable displacement vane pump
08/22/2001EP1126175A1 Rotary machine
08/16/2001WO2001059301A1 Control device for positive displacement pumps
08/16/2001WO2001059259A2 Hydristor control means
08/16/2001DE10006140A1 Control system for vane and other displacement pumps has a thickened section at the control pin to prevent temporary increase in the pumped volume/pressure on a rapid acceleration
08/09/2001US20010012486 Hydraulic delivery device
07/2001
07/31/2001US6267566 Oil pump
07/26/2001WO2001053724A1 Dual gerotor pump for use with automatic transmission
07/26/2001WO2001053711A1 Hybrid bearing
07/26/2001WO2001053702A1 Hydraulic fluid vane pump
07/26/2001WO2001053701A1 Hydraulic vane pump
07/24/2001CA2162371C Readily installed universal sewage grinder pump
07/12/2001DE19962554A1 Adjustable rotating lubrication pump for an internal combustion engine has an eccentric hub operating inside the casing with fitted to a guide ring
07/11/2001EP1114259A1 Mass balancing system with a lubricating oil pump for reciprocating engines
07/10/2001US6257854 Double screw rotor assembly having means to automatically adjust the clearance by pressure difference
07/10/2001US6257841 Regulating device for positive-displacement pumps
06/2001
06/28/2001WO2001046591A1 Variable displacement vane pump
06/28/2001DE10062650A1 Steuerventil für hydraulische Kupplungen Control valve for hydraulic couplings
06/27/2001EP1110000A2 Internal gear machine for reversed operation in a closed hydraulic circuit
06/19/2001US6247904 Oil pump apparatus
06/12/2001US6244839 Pressure compensated variable displacement internal gear pumps
06/07/2001WO2001040658A1 Variable flow pump
06/07/2001DE19629336C2 Flügelzellenpumpe Vane pump
06/05/2001US6241392 Hybrid bearing
05/2001
05/29/2001US6238315 Hydraulic coupling for vehicle drivetrain
05/22/2001US6233942 Condensing turbine
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