Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
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)
06/2003
06/18/2003EP1319831A2 High pressure fuel pump having integrated vane feed pump
06/18/2003EP0840852B1 Fluid pumping apparatus
06/18/2003DE20302318U1 Hand-operated water pump for garden use has frost period water drain
06/18/2003CN2556386Y Automatic pressure-balancing starter for refrigeration compressor
06/18/2003CN1425215A Device and method for controlling piston position in linear compressor
06/18/2003CN1425149A Method and system for automatically controlling water level in storage tank through wireless control process
06/18/2003CN1424508A Intellignet monitoring protector of water-cooled helium compressor
06/18/2003CN1424507A Fully closed compressor with dented thermal protector assembling structure
06/18/2003CN1424506A Driving devices of linear compressors
06/18/2003CN1111700C Method for controlling compressor of refrigerator
06/17/2003US6579074 Diaphragm type fuel pump
06/17/2003US6579067 Variable speed control of multiple compressors
06/17/2003US6578372 Apparatus and method for controlling variable displacement compressor
06/12/2003WO2003048587A1 Drive
06/12/2003WO2003048578A1 Rod saver speed control method and apparatus
06/12/2003US20030108432 Variable displacement type compressor, air conditioner with the variable displacement type compressor, and method for controlling displacement in the variable displacement type compressor
06/12/2003US20030108430 Driving apparatus of a linear compressor
06/12/2003US20030106331 Vehicle air conditioner with automatic breaking-in operation of compressor
06/12/2003US20030106314 Electro-hydraulic pump control system
06/12/2003CA2469059A1 Rod saver speed control method and apparatus
06/11/2003EP1317624A1 Hydraulic system comprising a main pump and a precompression pump
06/11/2003EP1017942B1 Regulating device for an adjustable hydraulic pump with several consumers
06/10/2003US6577089 Pressure control system using input current sensing
06/10/2003US6575710 Compressor with blocked suction capacity modulation
06/10/2003US6574960 Method and apparatus for maintaining the correct oil overflow quantity in diaphragm compressors
06/05/2003WO2003046383A1 Pump and pump control circuit apparatus and method
06/05/2003WO2003046382A1 Determination of the piston stroke in a reciprocating piston machine
06/05/2003WO2003045130A1 Electronic proportioner using continuous metering and correction
06/05/2003US20030104634 Fluid dispensing algorithm for a variable speed pump driven metering system
06/05/2003US20030103849 Fuel metering unit
06/05/2003US20030102954 Overload protector with control element
06/05/2003US20030102454 Control valve for variable-capacity compressor
06/05/2003US20030102179 Hydraulic drive system with constant pressure in pressure conduit
06/05/2003US20030102027 Unloading valve
06/05/2003US20030101931 Control system for metering pump and method
06/05/2003CA2762214A1 Pump and pump control circuit apparatus and method
06/05/2003CA2468454A1 Pump and pump control circuit apparatus and method
06/04/2003EP1316869A2 Improvements in or relating to a fluid metering system
06/04/2003EP1316727A1 Electric oil pump controller
06/04/2003EP1316726A2 Control valve for variable-capacity compressor
06/04/2003EP0934463B1 System and method for pump control and fault detection
06/04/2003EP0773370B1 Hydraulic controller
06/04/2003CN1422364A Motor protector on non-orbiting scroll
06/03/2003US6572604 Occlusion detection method and system for ambulatory drug infusion pump
06/03/2003US6572341 Variable displacement type compressor with suction control valve
05/2003
05/30/2003WO2003044940A1 Actuator driving device of working machine
05/30/2003WO2003044365A1 Linear motor controller
05/30/2003CA2466304A1 Linear motor controller
05/29/2003US20030099550 Apparatus and method for controlling linear compressor
05/29/2003US20030099549 Air compressor control system
05/29/2003US20030099548 Pump and pump control circuit apparatus and method
05/29/2003US20030098072 Fuel metering unit
05/29/2003US20030097851 Air conditioner
05/29/2003US20030097849 Control unit for clutchless, variable displacement compressor
05/28/2003EP1314890A2 Control system for vacuum pump
05/28/2003EP1314595A1 Air conditioner with variable displacement compressor and torque controlling means
05/28/2003EP0782671B2 Device for the controlled driving of at least one hydraulic shaft
05/28/2003CN2553137Y Differential pressure controlled vacuum pump
05/28/2003CN1420282A Cooling system and method
05/28/2003CN1109864C Refrigeration system employing compressor for single or multi-stage operation with capacity control
05/27/2003US6568426 Pressurized water supply systems
05/22/2003US20030095870 Methods and apparatus for photoresist delivery
05/22/2003US20030094007 Cooling system and cooling method
05/22/2003US20030094004 Adaptive control for a cooling system
05/21/2003EP1312790A1 Solenoid valve for variable discharge fuel supply apparatus
05/21/2003EP1312495A1 Air conditioning device and motor vehicle equipped therewith
05/21/2003EP1311761A1 Bubble detection and recovery in a liquid pumping system
05/21/2003CN1419045A Method and system for avoiding anomaly stop of production device
05/20/2003US6565473 Hydraulic pressure control apparatus for automatic transmission of vehicle
05/20/2003US6565327 Circuit for driving linear compressor
05/20/2003US6564565 Air conditioning system and method
05/20/2003US6564549 Displacement control device for hydraulic pump and brake control device for hydraulic motor
05/15/2003WO2003040568A1 Vacuum pump
05/15/2003US20030091445 Variable-flow high pressure pump
05/15/2003US20030091441 Fan control system using a microcontroller
05/15/2003US20030089339 Fuel injection system with improved regulation of pumping quantities
05/15/2003US20030089119 Diagnostic system and method for a cooling system
05/15/2003CA2466571A1 A vacuum pump
05/14/2003EP1309798A1 A system and method for compressing a fluid
05/14/2003CN1108451C Control valve in variable displacement compressor
05/13/2003US6561482 Control valve for variable capacity compressor
05/09/2003CA2361350A1 A method and apparatus for shutting down a pumpjack
05/08/2003US20030088147 Implantable heart assist system and method of applying same
05/08/2003US20030086795 Mechanical pumps
05/08/2003US20030086794 System for regulating fluid pump pressures
05/08/2003US20030084674 Variable displacement type compressor, air conditioner with the variable displacement type compressor, and method for controlling displacement in the variable displacement type compressor
05/08/2003US20030084672 Refrigeration system and method for controlling defrost
05/07/2003EP1308621A2 Variable capacity swash plate type compressor
05/07/2003EP1082542B1 Pressurised water supply systems
05/07/2003CN1107804C Volumetric pump with sterility seal
05/06/2003US6558347 Control device and process for a pumping device
05/06/2003US6558136 Micropump underpressure control device
05/06/2003US6558132 Variable displacement pump
05/06/2003US6557360 Compressor torque computing method, air-conditioning system and engine control apparatus
05/06/2003US6557344 Hydraulic drive with several hydraulic consumers also comprising a differential cylinder
05/02/2003EP1306556A2 Molecular pump
05/02/2003EP1306553A2 Fuel pump, fuel system and method for operating a fuel system and an internal combustion engine
05/02/2003EP1306552A2 Electro-hydraulic pump control system
05/02/2003EP1306548A2 Fuel injection apparatus in which the displacement control is improved
05/02/2003EP1097500A4 Control system with integrated actuation package
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