Patents
Patents for F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups (22,036)
09/2001
09/13/2001WO2001066944A1 Metering pump
09/13/2001US20010021347 Pumpjack dynamometer and method
09/13/2001DE10109679A1 Oil pump pressure regulator valve has a series of outlet detents symmetrical with respect to valve axial centerline
09/13/2001DE10006977A1 Regulator for hydro transformer has pressure regulator, delivery flow regulator, limiter driving revolution rate regulator that produces control parameter for motor intake volume actuator
09/12/2001EP1132616A1 Dosing pump
09/12/2001EP1132102A2 Medical device with encrypted identification
09/12/2001EP1131559A1 Apparatus and method for detection of a leak in a pump membrane
09/12/2001CN2447541Y Plunger pump with duan input reverser
09/12/2001CN1071003C Pisto type compressor
09/11/2001US6287085 Rapid unloader retrofits
09/11/2001US6287083 Compressed air production facility
09/11/2001US6286997 Temperature indicator for use in a pressurized environment
09/11/2001CA2209510C Sump pump container and method
09/06/2001US20010020148 Medical device
09/06/2001DE10102873A1 Elektrischer Kompressor The electric compressor
09/06/2001DE10059190A1 Vorrichtung für das Ansteuern eines linearen Kompressors, Medium und Informationseinrichtung Apparatus for driving a linear compressor, medium and information device
09/06/2001DE10006405A1 Adjustment device to adjust displacement volume of hydrostatic machine; has adjustment piston to apply adjustment pressure and control device to apply control pressure and control adjustment pressure
09/05/2001EP1130265A2 Sealed compressor using hot oil to actuate protection switch
09/05/2001EP1129291A1 Programmable, fluid pressure actuated blood processing systems and methods
09/05/2001EP1129290A1 Systems and methods for control of pumps
09/05/2001EP1129288A1 Detecting obstructions in enteral/parenteral feeding tubes and automatic removal of clogs therefrom
09/04/2001US6283719 Detecting obstructions in enteral/parenteral feeding tubes and automatic removal of clogs therefrom
09/04/2001US6283717 Control circuit of a solenoid actuated pump to be powered by any variable voltage between 90 and 264 volts
09/04/2001US6283716 Multistage blowdown valve for a compressor system
09/04/2001US6282892 Pump controller for construction machine
08/2001
08/30/2001US20010017445 Seal assemblies
08/30/2001US20010017036 Displacement control apparatus for variable displacement compressor, displacement control method and compressor module
08/30/2001DE10029969C1 Flügelzellenpumpe Vane pump
08/29/2001EP1128101A2 Seal assemblies
08/29/2001EP1127721A2 Displacement control apparatus for variable displacement compressor, displacement control method and compressor module
08/29/2001EP1127220A1 Lift valve for a rotary screw compressor
08/29/2001EP1126897A1 Blood processing systems and methods employing fluid pressure actuated pumps and valves
08/29/2001EP1126895A1 Blood processing systems and methods with on-line mixing of replacement fluids
08/29/2001EP1027541B1 Regulating device for positive-displacement pumps
08/29/2001CN1310301A Sealed compressor with hot oil-operated protection switch
08/29/2001CN1310297A Controller for variable compressor
08/28/2001US6280159 Valve arrangement and pump for a gear system
08/28/2001US6280147 Apparatus for adjusting the stroke length of a pump element
08/28/2001US6280146 Sealed compressor using hot oil to actuate protector switch
08/23/2001WO2001061429A1 Method and system for automatically controlling water level in storage tank through wireless control process
08/23/2001WO2001061193A1 High pressure pump and engine system using the same
08/23/2001DE10006659A1 Regulator, for hydraulic pump, has electrically driven actuator for exerting force directly on flow regulating valve in addition to pressure difference across choke in working line
08/23/2001DE10006548A1 Verfahren zur Erzeugung und Stabilisierung des Arbeitsdrucks durch Volumenstromanpassung beim Verdichten von kompressiblen Fluiden A process for the production and stabilization of the working pressure by flow adjustment during compression of compressible fluids
08/22/2001EP1126223A1 Air conditioner outdoor unit drive control unit
08/22/2001EP1125062A1 Fluid vacuum safety device for fluid transfer systems
08/22/2001CN2444068Y Controlling device for oil pumping between well
08/22/2001CN1309279A Air conditioner, outdoor unit and refrigerating unit
08/22/2001CN1069956C Pump and over-center snap link
08/21/2001US6278910 Compressor driving apparatus
08/21/2001US6276610 Control valve
08/21/2001US6276154 Two step metering device
08/21/2001US6276133 Pressure fluid supply and delivery apparatus
08/16/2001WO2001059292A1 Fuel injection device
08/16/2001WO2001059266A1 Device and method for controlling a piston engine
08/16/2001US20010014288 Fluid pumping apparatus
08/16/2001US20010014287 Variable displacement compressor and air conditioning apparatus
08/16/2001US20010013761 Driving device for motor-driven compressor
08/16/2001US20010013271 Electric compressor
08/16/2001DE10053657A1 Verfahren zum Ableiten von Kondensat und Kondensatableiter A method for draining condensate and steam traps
08/16/2001DE10003869A1 Verfahren zum Komprimieren von fluiden Fördermedien A method for compressing fluid fluids
08/15/2001CN2443171Y Flow controlling regulator for creeping pump
08/15/2001CN2443170Y Automatic switch for pipe pump
08/15/2001CN1308188A Multi-stage blow-down valve for compressor system
08/14/2001US6275654 Cleaning unit
08/14/2001US6272872 Motor reversal switching system
08/09/2001US20010012486 Hydraulic delivery device
08/09/2001US20010012485 Electronically controlled cryopump
08/09/2001US20010011500 Method of regulating a fluid treatment plant, fluid treatment plant and application of such a plant to the production of a constituent of air
08/09/2001DE10005108A1 Device for fitting to medical equipment has an accessory connector and accessory components with a connector element complementing an accessory connector.
08/08/2001EP1122440A1 Method of controlling a process for treating fluids
08/08/2001EP1122431A2 Control circuit of a variable displacement compressor
08/08/2001EP1122430A2 Controller for variable displacement compressor
08/08/2001EP1122429A2 Variable displacement type compressor with suction control valve
08/08/2001EP1121529A2 Stroke control of a reciprocating pump
08/08/2001CN2442000Y High efficiency energy saving compressor for refrigerator
08/08/2001CN2441999Y Random dynamic controller for oil pump unit
08/08/2001CN1069377C Variable displacement hydrostatic device and neutral return mechanism therefor
08/07/2001US6272400 Vacuum network controller
08/01/2001EP1119704A1 Pump arrangement for providing fuel at high pressure
08/01/2001CN1306606A Pump capacity control device and valve device
08/01/2001CN1306605A Splitting air conditioner
07/2001
07/31/2001US6267571 Hydraulic displacement pump having two stroke length
07/31/2001US6267566 Oil pump
07/31/2001US6267563 Variable capacity type compressor with inclined capacity control valve
07/31/2001US6267561 Variable delivery, fixed displacement pump
07/31/2001US6267559 Apparatus and method for reducing power consumption in a peristaltic pump mechanism
07/26/2001WO2001054253A1 Device and method for controlling piston position in linear compressor
07/26/2001WO2001053699A1 Variable-displacement swash plate type clutchless compressor
07/26/2001WO2001053678A1 Improved energy efficient fluid pump
07/25/2001EP1118771A2 Power control unit
07/25/2001EP1118482A1 A method of controlling an air conditioning circuit having a variable displacement compressor
07/25/2001EP1118048A1 Compressor drive
07/25/2001EP1117912A1 Gas turbine engine
07/24/2001US6264435 Regulation of fluid conditioning stations
07/24/2001US6264432 Method and apparatus for controlling a pump
07/24/2001CA2221475C Variable displacement compressor
07/19/2001WO2000049283A8 Variable output pump for gasoline direct injection
07/18/2001EP1116899A2 Variable displacement piston pump/motor
07/18/2001EP1116882A2 Variable displacement compressor and air conditioning apparatus
07/18/2001EP1115975A1 Fuel injection system