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)
02/2003
02/06/2003US20030026716 Oscillation-type compressor
02/06/2003US20030026703 Apparatus and method for controlling operation of reciprocating compressor
02/06/2003US20030026702 Stroke control apparatus of reciprocating compressor and method thereof
02/06/2003US20030026701 Apparatus and method for controlling operation of reciprocating motor compressor
02/06/2003US20030024257 Displacement control valve
02/06/2003US20030024240 Control device for a proportionally adjustable hydraulic pump and a variable displacement pump for a hydrostatic drive
02/05/2003EP1281868A2 Displacement control valve
02/05/2003EP0966605B1 Fuel injection device for internal combustion engines
02/05/2003CN2534392Y Load stepless adjustable hydraulic impact pump
02/05/2003CN1395042A Displacement controller for variable displacement compressor
02/05/2003CN1100943C Pressure-pulsation-reducing compressor
02/04/2003US6516249 Fluid control system with autonomously controlled pump
02/04/2003US6514049 Compressor control valve with two independently operated check valves, wherein the crank chamber pressure is the control pressure, and the monitor pressure is the suction pressure
02/04/2003CA2187578C Pump drive head
01/2003
01/30/2003WO2003009075A2 Method for operating, with a minimal amount of power, at least one compressor for introducing a gaseous medium into at least two reservoirs
01/30/2003WO2003008806A1 Constant-pressure pump controller system
01/30/2003US20030021709 Plunger pump device
01/30/2003US20030021703 Compressor with blocked suction capacity modulation
01/30/2003US20030021699 Compressor with integral control unit
01/30/2003US20030021698 Control valve of variable displacement compressor
01/30/2003US20030021693 Method of controlling a compressor, piston-position monitoring system, and compressor
01/30/2003US20030019681 Control device for construction machine
01/30/2003US20030019478 Sleeve metered unit pump and fuel injection system using the same
01/30/2003US20030019226 Variable displacement compressor and displacement control valve for variable displacement compressor
01/30/2003DE10139054C1 Operating method for direct fuel injection engine has controlled inlet valve with variable opening duration controlling fuel quantity supplied to common-rail for fuel injection valves
01/29/2003EP1279833A2 Compressor with blocked suction capacity modulation
01/29/2003EP1279831A2 Variable displacement compressor and displacement control valve for variable displacement compressor
01/29/2003CN1393639A Linear compressor driving controlling method and linear compressor driving controlling method for vehicle
01/29/2003CN1100208C Apparatus and method for ganging multiple open circuit pumps
01/28/2003US6510843 Valve system for controlling the fuel intake pressure in a high-pressure pump
01/28/2003US6510779 Electronic bore pressure optimization mechanism
01/28/2003US6510702 Control valve for variable displacement compressor
01/28/2003US6510699 Displacement control apparatus for variable displacement compressor
01/23/2003US20030018415 Displacement controller of variable displacement compressor
01/23/2003US20030017060 Fluid pumping apparatus
01/23/2003US20030017055 Constant pressure pump controller system
01/23/2003US20030017054 Electric compressor and control method therefor
01/23/2003US20030014990 Control valve for variable displacement compressor
01/23/2003DE10138554C1 Control device for proportionally adjustable hydraulic pump of closed hydraulic circuit includes valve configuration with valve for each swivel direction of piston and a mechanical touch
01/22/2003EP1278298A2 Method and apparatus for starting a pump drive
01/22/2003EP1277959A2 Electric compressor and control method therefor
01/22/2003EP1060335B1 Scroll compressor with combined pressure ratio and pressure differential relief valve
01/22/2003CN2532273Y Flow regulator for creep pump
01/21/2003US6508072 Air conditioner outdoor unit drive control unit
01/21/2003US6508071 Air conditioner and displacement control valve for variable displacement compressor
01/16/2003WO2003004879A1 Hydraulic circuit device
01/16/2003WO2002038204A3 Occlusion detection method and system for ambulatory drug infusion pump
01/16/2003US20030014160 Vacuum system central control information server
01/16/2003US20030012665 Vane-cell pump
01/16/2003US20030010388 Positive pressure generation device and valve
01/16/2003US20030010319 Fuel injection device
01/15/2003CN1391060A Control for crankcase heater
01/15/2003CN1391039A Compressor with built-in motor and moving vehicles therewith
01/15/2003CN1098978C Displacement control and stroke control for hydraulic unit
01/14/2003US6505608 Fuel supply system
01/14/2003US6505480 Air-conditioner, outdoor unit and refrigeration unit
01/14/2003US6505473 Vehicle air conditioner and method for controlling vehicle air conditioner
01/09/2003WO2002084117A3 Speed variable feed pump
01/09/2003US20030009311 Apparatus for predicting life of rotary machine, equipment using the same, method for predicting life and determining repair timing of the same
01/09/2003US20030007878 Control valve and variable displacement compressor having the same
01/09/2003US20030007876 Variable displacement pump
01/09/2003US20030007875 Variable displacement pump
01/09/2003US20030007873 Screw compressor equipment for accommodating low compression ratio and pressure variation and the operation method thereof
01/09/2003US20030005714 Drive unit for variable displacement electric compressor
01/08/2003EP1273796A2 High pressure fuel pump especially for direct injection internal combustion engine and fuel system and internal combustion engine
01/08/2003EP1030699A4 Portable peristaltic pump for peritoneal dialysis
01/08/2003CN2530064Y High back pressure double compressor refrigeration unit started by high pressure balance
01/08/2003CN2530063Y Tyre inflating device
01/08/2003CN1390381A Device and method for controlling supply of current and static capacitance to compressor
01/08/2003CN1390380A Device and method for controlling supply of current and static capacitance to compressor
01/08/2003CN1390281A 液力活塞泵 Hydraulic piston pump
01/08/2003CN1389888A Overload protection device, electric compressor and refrigerating air-conditioner apparatus
01/08/2003CN1098512C Prediction of chiller compressor motor overheating
01/08/2003CN1098172C Pneumatic-spring suspension
01/07/2003US6503221 Temperature compensation system for regulating flow through tubing in a pump
01/07/2003US6503062 Method for regulating fluid pump pressure
01/03/2003WO2003001067A1 Hydraulic driving unit for working machine, and method of hydraulic drive
01/03/2003WO2003001063A1 Apparatus and method for controlling reciprocating compressor
01/02/2003US20030002998 Compressor with built-in motor, and mobile structure using the same
01/02/2003EP1270944A2 Displacement controller of variable displacement compressor
01/02/2003EP1269023A1 A gas compressor
01/02/2003EP1269022A2 Position sensor and compressor
01/02/2003EP1269021A1 Radial piston pump
01/01/2003CN2528963Y High-efficient energy-saving variable capacitance air conditioning compressor
01/01/2003CN1388631A Improved structure of linear motor
01/01/2003CN1388630A Improved structure for linear motor
01/01/2003CN1097688C Method and system for preventing in continent drop
12/2002
12/31/2002US6501240 Linear compressor driving device, medium and information assembly
12/31/2002US6499961 Solid state liquid level sensor and pump controller
12/31/2002US6499813 Method and device for controlling a pump of a brake system
12/31/2002US6499504 Control system for controlling multiple compressors
12/31/2002US6499305 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
12/26/2002US20020197166 Precision hydraulic energy delivery system
12/26/2002US20020195988 Sine wave variable speed drive
12/25/2002CN2527743Y Pressure-regulating backwater assembly for mechanically-driven pump
12/25/2002CN2527742Y Bidirectional safety valve for displacement pump
12/25/2002CN1387312A 逆变器装置 Inverter means
12/25/2002CN1097166C Hydraulic machine with radial pistous and variable displacement
12/24/2002US6497680 Method for compensating for pressure differences across valves in cassette type IV pump
12/24/2002US6497554 Fail safe electronic pressure switch for compressor motor