| 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) |
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| 04/16/2002 | US6371145 System and method for compressing a fluid |
| 04/16/2002 | US6370888 Method for controlling variable speed drive with chiller equipped with multiple compressors |
| 04/16/2002 | US6370875 Air powered hydraulic jack with load sensing auto shut-off air control |
| 04/16/2002 | CA2229498C Compressor inlet valve |
| 04/11/2002 | WO2002029251A1 Piston stroke limiting device for a reciprocating compressor |
| 04/11/2002 | US20020041312 Liquid discharging apparatus and method for discharging liquid |
| 04/11/2002 | DE10047629A1 Method for operating compressors in refrigeration and air-conditioning installations, involves using two-pole asynchronous motors to drive compressors |
| 04/10/2002 | EP1195524A2 Liquid discharging apparatus and method for discharging liquid |
| 04/10/2002 | EP1194691A1 Piston pump, method and installation for filtering water |
| 04/10/2002 | CN1082631C Delivery control device for hydraulic pumps |
| 04/10/2002 | CN1082620C Fuel injection pump with integrated solenoid control valve for by-pass |
| 04/09/2002 | US6367890 Method and apparatus for activating a pump of a braking system as a function of the pressure drop |
| 04/04/2002 | WO2001092709A3 Pump assembly and method |
| 04/04/2002 | WO2001071186A3 Position sensor and compressor |
| 04/04/2002 | US20020038554 Variable capacity compressor having adjustable crankpin throw structure |
| 04/04/2002 | US20020038551 Reciprocating compressor with a linear motor |
| 04/04/2002 | US20020038547 Neutral override for servo controlled hydrostatic units |
| 04/03/2002 | CN1342840A Unloading control method for air compressor |
| 04/03/2002 | CN1342839A Control valve for positive displacement compressor |
| 04/03/2002 | CN1082143C Control device for variable volume pump |
| 04/02/2002 | US6364623 Bubble detection and recovery in a liquid pumping system |
| 04/02/2002 | US6364621 Method of and apparatus for controlling vacuum pump |
| 04/02/2002 | US6364619 Sealed compressor with temperature feedback to motor protector unit |
| 04/02/2002 | US6364431 Electromagnetic valve and hydraulic circuit |
| 03/28/2002 | WO2000079671A8 Linear motor |
| 03/28/2002 | US20020037223 Control valve of variable displacement compressor |
| 03/28/2002 | US20020035988 Compound electromagnetic valve, high pressure pump and apparatus for controlling high pressure pump |
| 03/28/2002 | US20020035842 Air conditioner |
| 03/28/2002 | DE10054152C1 Air compressor management method for rail vehicle has different compressors switched into operation in fixed or variable priority sequence |
| 03/28/2002 | DE10045118A1 Hydraulisches System mit einer Hauptpumpe und einer Vordruckpumpe Hydraulic system with a main pump and a priming pump |
| 03/28/2002 | DE10043490A1 Verfahren zum Mischen von zwei fließfähigen Reaktions-Komponenten sowie Vorrichtung A method for mixing two flowable reaction components, as well as apparatus |
| 03/27/2002 | EP1191226A2 Compound electromagnetic valve, high pressure pump and apparatus for controlling high pressure pump |
| 03/27/2002 | EP1191224A1 High-pressure dome type compressor |
| 03/27/2002 | EP1190174A1 Pump assembly for supplying fuel |
| 03/27/2002 | EP0871818A4 Surge recurrence prevention control system for dynamic compressors |
| 03/27/2002 | CN1341809A Bionic heart-lung pump |
| 03/27/2002 | CN1081744C Control valve for positive-displacement compressor |
| 03/26/2002 | US6361288 Variable clearance system for reciprocating compressors |
| 03/26/2002 | US6361283 Displacement control valve |
| 03/21/2002 | WO2002023041A1 Hydraulic system comprising a main pump and a precompression pump |
| 03/21/2002 | US20020034669 Decreased electric power consumption and which can make it easy to discharge the produced water to drive the fuel cell in an adequate manner |
| 03/21/2002 | US20020034448 Valve system for controlling the fuel intake pressure in a high-pressure pump |
| 03/21/2002 | US20020034447 Open loop control apparatus for vacuum controlled systems |
| 03/21/2002 | US20020033167 Fuel supply system |
| 03/20/2002 | EP1188925A1 Variable-capacity control for refrigerating cycle |
| 03/20/2002 | EP1188919A2 Fuel supply system |
| 03/20/2002 | EP1188221A1 Linear motor |
| 03/20/2002 | EP1188027A1 Refrigerant compressor driven by variable supply frequency motor |
| 03/20/2002 | EP0937204B1 Method for generating high pressurized fuel and a system for generating thereof |
| 03/20/2002 | CN1340683A Method for control of speed-variation driver possessing several coolers |
| 03/20/2002 | CN1340364A Pump for injector |
| 03/19/2002 | US6358024 High capacity supply pump with simultaneous directly actuated plungers |
| 03/19/2002 | US6358017 Control valve for variable displacement compressor |
| 03/19/2002 | US6358016 Displacement control device and displacement control method for variable displacement compressor |
| 03/14/2002 | WO2002020991A1 Electric oil pump controller |
| 03/14/2002 | WO2001079697A3 Variable speed hydraulic pump |
| 03/14/2002 | WO2001031200A3 Piston pump |
| 03/14/2002 | US20020032095 Pump drive apparatus |
| 03/14/2002 | US20020031432 Control valve for variable displacement type compressor |
| 03/13/2002 | EP1186778A2 Control valve for variable displacement type compressor |
| 03/13/2002 | EP1186777A2 Control valve for variable displacement type compressor |
| 03/13/2002 | EP1186776A2 Control valve for variable displacement compressor |
| 03/13/2002 | EP1186311A2 Syringe pumps |
| 03/13/2002 | EP1185796A2 Gas pressurized liquid pump with intermediate chamber |
| 03/13/2002 | EP1185793A1 Method and arrangement for pumping material |
| 03/13/2002 | EP0904468B1 Rotary mechanism control system with bilateral braking |
| 03/13/2002 | EP0793779B1 Method and control system of controlling a fluid compression system |
| 03/13/2002 | CN1080798C Controller for pump torque |
| 03/12/2002 | US6354819 Diaphragm pump including improved drive mechanism and pump head |
| 03/12/2002 | US6354818 Oscillation-type compressor |
| 03/12/2002 | US6354811 Control valve for variable displacement compressors |
| 03/12/2002 | US6354810 Variable capacity type compressor with check value |
| 03/12/2002 | US6354805 Method for regulating a delivery variable of a pump |
| 03/12/2002 | US6354345 Pumping system |
| 03/07/2002 | US20020028143 Linear compressor |
| 03/07/2002 | US20020026806 Air-conditioner, outdoor unit and refrigeration unit |
| 03/07/2002 | DE10136705A1 Elektromagnetventil Solenoid valve |
| 03/07/2002 | DE10130841A1 Safety device for air conditioning compressor consists of pressure limitation valve unit to increase pressure medium flow from discharge pressure zone into driving chamber |
| 03/06/2002 | EP1184631A1 Method for controlling variable speed drive with multiple chillers |
| 03/06/2002 | EP1184571A2 Device for continuous regulation of the gas flow rate processed by a reciprocating compressor |
| 03/06/2002 | EP1184071A1 Method for mixing two flowable reaction components and device |
| 03/06/2002 | EP1183172A1 Vehicle air braking systems |
| 03/06/2002 | CN1338580A Safety device of fluid speed varying apparatus |
| 03/06/2002 | CN1338571A Control valve for positive displacement compressor |
| 03/06/2002 | CN1080391C Gas actuated slide valve in a screw compressor |
| 03/06/2002 | CN1080366C Pump-off controller |
| 03/05/2002 | US6352416 Device and method for controlling displacement of variable displacement compressor |
| 03/05/2002 | US6351965 Cooling and heating cycle apparatus and refrigerant cycle apparatus |
| 03/05/2002 | US6351960 Apparatus and method for protecting motor of inverter refrigerator |
| 02/28/2002 | WO2002016774A1 Compressor unloader system |
| 02/28/2002 | WO2002016770A1 Bubble detection and recovery in a liquid pumping system |
| 02/28/2002 | WO2002016755A1 Solenoid valve for variable discharge fuel supply apparatus |
| 02/28/2002 | US20020025263 Device for continuous regulation of the gas flow rate processed by a reciprocating compressor |
| 02/28/2002 | US20020025257 Fuel metering unit |
| 02/28/2002 | US20020025254 Depression container |
| 02/28/2002 | US20020023533 Radial piston pump |
| 02/28/2002 | DE10135153A1 Unterdruckbehälter Vacuum tank |
| 02/28/2002 | DE10040737A1 Valve arrangement for pressure medium supply hydraulic consumer has consumer pressure limitation valve with pilot valve unit |
| 02/28/2002 | DE10039773A1 Kraftstoffversorgungsanlage Fuel supply system |
| 02/27/2002 | EP1181458A1 Hydraulic drive with several hydraulic consumers also comprising a differential cylinder |