| 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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| 05/31/2001 | US20010002238 Vacuum relief device for fluid transfer and circulation systems |
| 05/31/2001 | US20010002237 Control valve in variable displacement compressor |
| 05/30/2001 | EP1103721A2 Air conditioner and control valve in variable displacement compressor |
| 05/29/2001 | US6237573 Variable delivery fuel supply device |
| 05/29/2001 | CA2172745C Variable capacity vane compressor with linear actuator |
| 05/25/2001 | WO2001036828A1 Hydraulic pump control device |
| 05/25/2001 | WO2001036820A1 Hydraulic piston pump |
| 05/25/2001 | WO2001036755A1 Control apparatus and control method for construction machine |
| 05/23/2001 | EP1101981A2 Hydraulic motor control system |
| 05/23/2001 | EP1101942A2 Evacuating apparatus |
| 05/23/2001 | EP1101940A2 High pressure fuel pump delivery control by piston deactivation |
| 05/23/2001 | EP1101639A1 Air conditioning apparatus |
| 05/23/2001 | DE19953248A1 Radialkolbenpumpe Radial piston pump |
| 05/23/2001 | CN1296333A Apparatus and method for controlling the supplied current and static capacitance to compressor |
| 05/23/2001 | CN1296134A Single piece type proportion controller |
| 05/23/2001 | CN1296129A Valve for controlling air condition system and control method thereof |
| 05/22/2001 | US6234992 Portable peristaltic pump for peritoneal dialysis |
| 05/22/2001 | US6234763 Variable displacement compressor |
| 05/22/2001 | US6234759 Method for regulating a fluid pressure |
| 05/22/2001 | US6233957 Vehicular air conditioner |
| 05/22/2001 | US6233948 Control apparatus for a plurality of cryopumps |
| 05/17/2001 | WO2001035521A1 Device and method for controlling supply of current and static capacitance to compressor |
| 05/17/2001 | WO2001035520A1 Device and method for controlling supply of current and static capacitance to compressor |
| 05/17/2001 | WO2001034980A1 Drive controller for hybrid compressors |
| 05/17/2001 | DE19953170A1 Power control device for hydraulic pump has control valve acted upon by final control element with variable additional force |
| 05/17/2001 | DE19951584A1 Device for generating electrical energy with fuel cell has control circuit that controls first machine as motor, second to idle during starting, second as motor, first as generator after starting |
| 05/17/2001 | DE10051620A1 Tandem pump unit has common housing with first and second openings at opposite ends relative to direction of pump shafts plus separating wall |
| 05/16/2001 | EP1100190A2 Device and method for controlling the current supply and the static capacitance of a compressor |
| 05/16/2001 | EP1099856A1 Pump capacity control device and valve device |
| 05/16/2001 | EP1099852A2 Control valve for variable displacement compressors |
| 05/16/2001 | EP1099578A1 Vehicle air conditioner |
| 05/15/2001 | US6231321 Air compressor |
| 05/15/2001 | US6231316 Scroll-type variable-capacity compressor |
| 05/15/2001 | US6231314 Variable displacement compressor |
| 05/15/2001 | US6230688 Process for generating high-pressure fuel and system for generating high fuel pressure |
| 05/15/2001 | US6230507 Hybrid compressor and control method |
| 05/10/2001 | WO2001033133A1 Arrangement in a lubricant pump |
| 05/10/2001 | WO2001033079A1 Pumps |
| 05/10/2001 | WO2001033077A1 Radial piston pump |
| 05/10/2001 | DE19952000A1 Vorrichtung zum Erzeugen eines variablen Volumenstroms für eine Pumpe Apparatus for generating a variable flow for a pump |
| 05/10/2001 | DE10041721A1 Solenoid valve for hydraulic brake system used in motor vehicles, has plunger and ball arranged independently inside chamber to open and close the valve |
| 05/10/2001 | DE10028074A1 Hybrid pumping unit on engine, supplying lubricating- or hydraulic oil under pressure, includes both mechanically- and electrically-driven pumps with controller |
| 05/10/2001 | CA2389689A1 Pumps |
| 05/10/2001 | CA2325701A1 System and method for automatic thermal protection of a fluid compressing system |
| 05/09/2001 | EP1098091A2 Flow rate control for a compressor in a refrigeration cycle |
| 05/09/2001 | EP1097500A2 Control system with integrated actuation package |
| 05/08/2001 | US6227818 Low power electromagnetic pump |
| 05/08/2001 | US6227816 Hydraulic delivery device |
| 05/08/2001 | US6227815 Pressure control for a reciprocating compressor |
| 05/08/2001 | US6227812 Refrigerant circuit and compressor |
| 05/08/2001 | US6227807 Constant flow fluid pump |
| 05/08/2001 | US6227806 Lift pump guard |
| 05/08/2001 | US6227241 Actuator valve for pressure switch for a fluidic system |
| 05/03/2001 | WO2001031202A1 Multistage compressor unit and method for regulating such multistage compressor unit |
| 05/03/2001 | WO2001031200A2 Piston pump |
| 05/02/2001 | EP1096148A2 Distribution member for varying the flow rate for a pump |
| 05/02/2001 | EP0986709A4 Linear peristaltic pump |
| 05/01/2001 | US6224353 Pump control apparatus and method |
| 05/01/2001 | US6224168 Fluid pressure generating system for a vehicle and brake fluid pressure control system for a vehicle |
| 05/01/2001 | US6223725 High-pressure fuel supply assembly |
| 05/01/2001 | US6223529 Hydraulic system with a hydromotor fed by a hydraulic transformer |
| 04/26/2001 | DE19950160A1 Piezo-powered pump for hydraulic vehicle braking system has elastic element enclosing pump chamber communicating with inlet, outlet with volume varied by deforming elastic element |
| 04/26/2001 | DE19949169A1 Verstellvorrichtung Adjustment |
| 04/25/2001 | EP1094222A1 Automatic regulator for sucking air in a reservoir |
| 04/25/2001 | EP1094220A1 Air conditioner |
| 04/25/2001 | CN1292850A Scroll compressor with combined pressure ratio and pressure differential relief valve |
| 04/25/2001 | CN1292454A Equipment for regulating transfer pressure of pump providing fuel for internal combustion engine |
| 04/24/2001 | US6223130 Apparatus and method for detection of a leak in a membrane of a fluid flow control system |
| 04/24/2001 | US6220045 Apparatus and method for controlling resonance frequency of inverter refrigerator |
| 04/24/2001 | US6220028 Hydraulic drive system for hydraulic work vehicle |
| 04/24/2001 | CA2245889C Magnetic direct drive reciprocating pump apparatus and method with integral pressure sensing |
| 04/21/2001 | CA2323389A1 Multistage blowdown valve for a compressor system |
| 04/19/2001 | WO2001027472A1 Adjusting device of a swash-plate piston engine |
| 04/19/2001 | DE19949086A1 Hydrostatic drive with adjustable hydraulic pump for e.g. mobile appliances has two load sensing valves in two different control pressure differential stages |
| 04/19/2001 | DE19947890A1 Verfahren zum Ermitteln oder Steuern eines Betriebsparameters einer Pumpe A method for detecting or controlling an operating parameter of a pump |
| 04/19/2001 | DE10047166A1 Pump unit has centre part connected to pump housing and forming pair of inlet and outlet channels connected to those of hydraulic pump and producing connecting channel to connect with ends of loading channel |
| 04/19/2001 | DE10043451A1 Swivel inclined axes hydraulic unit for proportional regulation has proportional magnetic fluid valve connected to computer and to control piston to control fluid pressure and cylinder block |
| 04/18/2001 | EP0746684B1 Soft-start pump control system |
| 04/18/2001 | CN1291684A Frequency-changing pressure stabilizing system for air compressor |
| 04/17/2001 | US6217296 Variable displacement pump |
| 04/17/2001 | US6217293 Variable displacement compressor |
| 04/17/2001 | US6217292 Variable displacement type refrigerant compressor |
| 04/17/2001 | US6217291 Control valve for variable displacement compressors and method for varying displacement |
| 04/17/2001 | US6217290 Control valve for variable capacity compressors |
| 04/17/2001 | US6217287 Variable capacity compressor having adjustable crankpin throw structure |
| 04/17/2001 | US6216670 Hydraulically-actuated system having a variable delivery fixed displacement pump |
| 04/17/2001 | US6216456 Load sensing hydraulic control system for variable displacement pump |
| 04/17/2001 | CA2035255C De-sludging systems |
| 04/12/2001 | WO2000052338A3 Pump drive decoupler |
| 04/11/2001 | EP1091125A2 Control valve of displacement variable compressor |
| 04/11/2001 | EP1091124A2 Control valve for variable capacity compressors |
| 04/11/2001 | EP1091120A2 Method for determining and controlling a pump parameter |
| 04/11/2001 | EP1090229A1 Device for adjusting hydraulic equipment |
| 04/11/2001 | CN1290815A Volume changeable compressor control valve |
| 04/10/2001 | US6213739 Linear peristaltic pump |
| 04/10/2001 | US6213730 Flow control apparatus for a hydraulic pump |
| 04/10/2001 | US6213729 Suction-throttled pump |
| 04/10/2001 | US6213728 Variable displacement compressor |
| 04/10/2001 | CA2180306C Combination compressor unloader |
| 04/10/2001 | CA2035091C Pumping system |