Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 14 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
Patents for F04C 14 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (3,663)
07/1999
07/08/1999WO1999034498A1 Driving mechanism for a pump
07/06/1999US5919033 Pump having relief valve seat free of direct structural restraint
07/06/1999US5918573 Energy efficient fluid pump
06/1999
06/30/1999EP0925453A1 Vane cell pump
06/30/1999CN1221476A Progressive cavity pump
06/24/1999DE19856096A1 Driver for pump for adjustable drive for a hydraulic pump
06/23/1999EP0715704B1 Pump arrangement for an oil burner
06/16/1999EP0636203B1 Variable displacement pump
06/09/1999EP0920589A1 Pump for conveying a medium
06/09/1999EP0920588A1 Medical gear pump for suctioning and rinsing
06/03/1999WO1999027255A1 Swivelling vane pump
06/01/1999US5908286 Motor driven fuel pump and control system for internal combustion engines
05/1999
05/26/1999EP0917621A1 In-tank fuel fump assembly with unitary control unit for internal combustion engines
05/20/1999WO1999024717A1 Drive head for a rotary-driven rod assembly, especially for driving a sand pump
05/20/1999CA2308164A1 Drive head for a rotary-driven rod assembly, especially for driving a sand pump
05/12/1999DE19748907C1 Antriebskopf für ein drehantreibbares Gestänge, insbesonders zum Antreiben einer Bohrlochpumpe Drive head for a rotatably driven boom, especially for driving a downhole pump
05/06/1999WO1999022143A1 Regulating device for positive-displacement pumps
05/06/1999EP0913314A2 Demand responsive flow control valve
05/05/1999CN1215810A Gerotor motor and parking lock assembly therefor
04/1999
04/29/1999DE19747341A1 Displacement pump
04/28/1999EP0911525A1 Gerotor motor and parking lock assembly therefor
04/28/1999EP0910747A1 Control of lubrication and temperature of the bearings of a pump
04/22/1999WO1999019629A1 Positive-displacement pump
04/20/1999US5895209 Variable capacity pump having a variable metering orifice for biasing pressure
04/07/1999EP0906512A1 Vane pump
03/1999
03/30/1999US5887612 Hydraulic pump apparatus
03/24/1999EP0835382B1 Rotary hydraulic motor with electrohydraulic control arrangement
03/16/1999US5881698 Fuel pump with regulated output
03/10/1999EP0900938A1 Oil pump with bypass valve
03/03/1999EP0899458A1 Hydraulic pump apparatus
02/1999
02/25/1999WO1999009322A1 Low noise suction pump
02/25/1999DE19735245A1 Gearwheel machine such as pump or engine
02/11/1999WO1999006710A1 Rotary pump with hydraulic vane actuation
02/10/1999CN1041999C Readily installed universal sewage grinder pump
02/09/1999US5868175 Apparatus for recovery of fuel vapor
02/04/1999DE19834034A1 Oil pump for compact lubricating systems
01/1999
01/26/1999US5863189 Variable displacement vane pump adjustable by low actuation loads
01/21/1999DE19745448C1 Pressure pump for motor vehicle power steering
01/20/1999EP0891489A1 Gear oil pump with internal rotor, comprising extensions of reniform suction and pressure elements
01/13/1999CN1204735A Infinitely variable ring gear pump
01/12/1999US5857478 Demand responsive flow control valve
01/07/1999DE19827970A1 Vehicle pump flow control system
01/07/1999DE19827922A1 Hydraulic pump e.g. for vehicle power steering systems
12/1998
12/30/1998WO1998059172A1 Pump for conveying a medium
12/24/1998DE19725462A1 Medizinische Zahnradpumpe zum Saugen und Spülen The medical gear pump for suction and irrigation
12/23/1998WO1998058174A1 Medical gear pump for suctioning and rinsing
12/16/1998EP0884476A2 Pressure limiting control circuit for the safe operation of a variable displacement radial or axial hydraulic piston pump or vane cell machine
12/04/1998CA2206917A1 Electronic control for a variable delivery positive displacement fuel pump
12/03/1998DE19722401A1 Electronic fuel injection controller for jet aircraft gas turbine engine
12/02/1998EP0782672B1 Regulating device for displacement pumps
12/01/1998US5842837 Tandem pump apparatus
12/01/1998US5842451 Camshaft drive housing for an internal combustion engine
12/01/1998US5842449 Valve train with suction-controlled ring gear/internal gear pump
11/1998
11/24/1998US5839889 Infinitely variable vane-type hydraulic machine
11/12/1998WO1998050698A1 Multiple pump control arrangement
11/11/1998EP0877165A2 Horizontal pumping system
11/07/1998CA2236762A1 Horizontal pumping system
11/05/1998WO1998049431A1 Two-step regulating valve
11/05/1998WO1998026181A3 Gerotor pump for liquid media
11/04/1998EP0875678A2 Oil pump control valve
11/04/1998EP0875677A1 Method and vane pump for dosing of a pasty and compressible mass
11/04/1998CN1197888A Pressure regulator
10/1998
10/29/1998WO1998048172A1 Improvements to impeller pumps
10/29/1998DE19717922A1 Zweistufenregelventil Two-stage control valve
10/29/1998DE19717794A1 Vehicle power assisted steering displacement pump
10/22/1998DE19715781A1 Pump with variable delivery flow
10/15/1998DE19714648A1 Fuel feed pump for IC engine
10/13/1998US5819778 Flow control device of power steering system
10/13/1998US5819777 Flow control device
09/1998
09/24/1998DE19710976A1 Flywheel pump for power steering
09/23/1998EP0736702B1 Hydraulic speed variator
09/22/1998US5810565 Regulating device for displacement pumps
09/15/1998US5807090 Vane pump having a hydraulic resistance element
09/15/1998US5806300 Electronic control for a variable delivery, positive displacement fuel pump
09/09/1998EP0863306A1 Pressure regulator
09/09/1998EP0702755B1 Multi-stage regulator for lubricant pumps with continuously variable feed rate
09/01/1998US5800135 Sliding vane pump using a drive shaft as a flow divider for enhanced oil circulation
09/01/1998US5800131 Process for regulating the capacity of lubricant pumps and lubricant pump therefor
08/1998
08/25/1998US5797732 Variable capacity pump having a pressure responsive relief valve arrangement
08/06/1998DE19804207A1 Hydraulic circuit with fluid seal
07/1998
07/30/1998DE19703113A1 Hydraulic vane cell machine
07/21/1998US5782615 Pump assembly method with a tubular bypass liner
07/21/1998US5782608 Method and apparatus for controlling a progressing cavity well pump
07/21/1998US5782083 Drive systems
07/14/1998US5779460 Progressive cavity pump with tamper-proof safety
07/14/1998US5779451 Power efficient multi-stage twin screw pump
07/09/1998WO1998029663A1 Flow control valve
07/08/1998EP0852306A1 Geared variable hydraulic motor
06/1998
06/25/1998WO1998027339A1 Gear oil pump with internal rotor, comprising extensions of reniform suction and pressure elements
06/18/1998WO1998026181A2 Gerotor pump for liquid media
06/17/1998EP0848165A2 Internal gear pump
06/17/1998EP0847497A1 Apparatus for recovery of fuel vapor
06/16/1998CA2131181C Compressor slide valve control
06/11/1998WO1998025029A1 Motor pump unit
06/10/1998EP0846994A1 Flow control for a hydraulic pumping installation
06/10/1998EP0846861A1 Continuously variable annular gear pump
06/10/1998EP0846229A1 Fuel supply pump for a fuel injection pump for internal combustion engines
06/10/1998EP0846224A1 Fuel supply pump for a fuel injection pump for internal combustion engines
06/03/1998EP0845598A1 Method and apparatus for temperature dependent operation of pumps with helical rotors
06/03/1998EP0845080A1 Outlet pressure control for internal gear pump
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