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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06/09/1998 | US5762795 Dual stage pump and filter system with control valve between pump stages |
06/09/1998 | US5762476 Variable capacity single-headed piston refrigement compressor |
06/09/1998 | US5762475 Automatic solenoid control valve calibration |
06/09/1998 | US5762159 Power steering apparatus |
06/04/1998 | WO1998023858A1 Fuel injection system |
06/04/1998 | DE19752397A1 Power assisted steering arrangement for motor vehicle |
06/04/1998 | DE19751274A1 Fluid high-pressure source e.g. for vehicle ABS braking system |
06/03/1998 | EP0845642A2 A refrigeration system employing a compressor for single or multi-stage operation with capacity control |
06/03/1998 | EP0845593A1 Slant plate type compressor with variable capacity control mechanism |
06/02/1998 | US5761627 For a vehicle |
06/02/1998 | US5759148 For driving a medical device |
06/02/1998 | US5759013 Oil pump apparatus |
06/02/1998 | US5758499 Hydraulic control system |
05/28/1998 | WO1998022717A1 Hydraulic drive apparatus |
05/28/1998 | WO1998022716A1 Hydraulic drive apparatus |
05/28/1998 | DE19751736A1 Variable displacement compressor for vehicle air conditioning unit |
05/28/1998 | DE19648690A1 Kraftstoffeinspritzsystem The fuel injection system |
05/28/1998 | DE19647967A1 Pump esp. motor driven centrifugal pump with sensor determining pressure differences |
05/27/1998 | EP0844396A1 Process for controlling the operation of a plant for pressurized air with several compressors |
05/27/1998 | EP0844392A2 Variable displacement compressor |
05/27/1998 | EP0843563A1 Systems and methods for cassette identification for drug pumps |
05/27/1998 | EP0795086B1 Vane pump |
05/27/1998 | EP0720693B1 Flow-metered pumping with load compensation system and method |
05/27/1998 | CN2282610Y Structure of control valve for compressor |
05/26/1998 | US5757667 Solid state pressure detector for beverage dispensers |
05/26/1998 | US5755561 Piston pumping system delivering fluids with a substantially constant flow rate |
05/26/1998 | US5755560 Pump and combination pump and trap with snap-over mechanism and double-seal outlet valve |
05/26/1998 | US5755559 Apparatus and method for pumping supercritical fluid and measuring flow thereof |
05/26/1998 | US5755251 Full flow pressure trap unloader valve |
05/22/1998 | WO1998021094A1 Suction device |
05/20/1998 | EP0843098A1 Scroll compressor |
05/20/1998 | DE19646410A1 Absaugvorrichtung Suction |
05/20/1998 | CN2282081Y Automatic controller for electromagnetic slip speed regulation |
05/20/1998 | CN2282080Y Antomatic protector for liquid pump |
05/20/1998 | CN1182194A Variable capacity compressor |
05/19/1998 | US5752427 Adjustable hydro-static radial piston machine |
05/13/1998 | EP0840852A1 Fluid pumping apparatus |
05/13/1998 | EP0840851A1 Pump |
05/13/1998 | CN2281428Y Improved structure of inductive pump protector |
05/13/1998 | CN2281427Y Self controlled water pump |
05/13/1998 | CN1038378C Single-phase induction motor, its control method and use in refrigerator |
05/12/1998 | US5750027 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
05/12/1998 | US5749710 Refrigerant compressor with rotation detecting means |
05/07/1998 | WO1998019069A1 Power- and moment-regulating system for a plurality of hydraulic pumps |
05/07/1998 | WO1998019068A1 System and method for pump control and fault detection |
05/06/1998 | EP0840014A1 Pumping set with a circuit enabling the saving of energy from the emergency power source |
05/06/1998 | EP0840009A2 High pressure pump |
05/06/1998 | EP0840008A1 Control device for a variable displacement hydraulic pump |
05/06/1998 | EP0757587A4 Mixing apparatus for microflow gradient pumping |
05/06/1998 | EP0682769B1 Starting arrangement for small refrigeration systems |
05/06/1998 | CN2280782Y Unloading protecting mechanism for chain oil-sucking machine |
05/05/1998 | US5748077 Hydraulic leak detection system |
05/05/1998 | US5746721 Pulsed lavage pump with integral power source and variable flow control |
04/30/1998 | DE19747620A1 Tandem pump device for preventing cavitation |
04/30/1998 | DE19644961A1 Verfahren zum Steuern des Motor-Pumpe-Systems einer hydraulischen Baumaschine A method for controlling the motor-pump system of a hydraulic construction machine |
04/29/1998 | EP0837988A1 Dosing pump |
04/28/1998 | US5745378 Parameter input for drug delivery pump |
04/28/1998 | US5743716 Reversible pump controller |
04/28/1998 | US5743089 Hydraulic control system |
04/23/1998 | DE19654084C1 Method of increasing dosing accuracy of liquid dosing pump driven by asynchronous motor with eccentric gear |
04/22/1998 | CN1179512A Scroll-type compressor with variable displacement mechanism |
04/21/1998 | US5742147 Dc based powering and charging circuit for compressor systems and other mechanical devices |
04/21/1998 | US5741122 Variable displacement compressor having a spool with a coating layer |
04/21/1998 | CA2131149C Compressor pressure relief assembly |
04/16/1998 | WO1998015788A1 A method of operating a refrigeration system and a control valve |
04/16/1998 | DE19705672A1 Antrieb für eine Vakuumpumpe Drive for a vacuum pump |
04/15/1998 | EP0836005A1 Reclamation system for a hydraulic pump system |
04/15/1998 | EP0717817B1 Hydraulic control valve block |
04/14/1998 | US5738498 Apparatus and method for thermoelectric cooling of an extraction fluid pump |
04/14/1998 | US5738497 Apparatus and method for controlling a rotary screw compressor |
04/14/1998 | US5737994 On a motor driven piston pump |
04/09/1998 | WO1998015022A1 Process for supplying with air a polymer electrolyte membrane (pem) fuel cell system |
04/09/1998 | CA2217302A1 Reclamation system for a hydraulic pump system |
04/08/1998 | EP0834029A1 Hydraulic actuation system |
04/08/1998 | EP0681656B1 Process for regulating the capacity of lubricant pumps and lubricant pump therefor |
04/07/1998 | US5735675 Combination compressor unloader |
04/01/1998 | EP0833059A2 Gas compression method |
04/01/1998 | EP0832389A1 Automatic solenoid control valve calibration |
04/01/1998 | EP0832361A1 Vane cell pump |
04/01/1998 | EP0832360A1 Variable displacement electro-hydraulic pump |
04/01/1998 | EP0832011A1 Hydraulic leak detection system |
04/01/1998 | EP0832001A1 Motor vehicle air conditioning control system |
03/31/1998 | CA2113043C Scroll compressor unloader valve |
03/26/1998 | DE19638837A1 Two-unit pressure control system |
03/25/1998 | EP0831231A2 Gear pump |
03/25/1998 | EP0830902A2 Pump unit (paint system) |
03/25/1998 | CN1177424A Electric hydraulic hybrid motor, control device and control method for the motor |
03/25/1998 | CN1177423A Electric hydaulic hybrid motor |
03/19/1998 | WO1998011348A1 Reciprocating piston pump with bleed passages |
03/18/1998 | EP0829945A1 Electric hydraulic hybrid motor, control device and control method for the same motor |
03/18/1998 | EP0829792A1 Water distributing installation controllers |
03/18/1998 | EP0829266A2 Automated peritoneal dialysis system |
03/18/1998 | EP0829220A2 Method for controlling the amount of water filled in a dishwashing machine |
03/18/1998 | EP0828944A1 Compressed air maintenance device |
03/18/1998 | EP0746684A4 Soft-start pump control system |
03/18/1998 | EP0701660A4 Motor controlled constant flow pump |
03/18/1998 | CN2276570Y Inertial energy-saving motor |
03/18/1998 | CN1176680A Gas actuated slide valve in a screw compressor |
03/18/1998 | CN1176679A Method and control system of controlling a fluid compression system |
03/11/1998 | CN1175676A Method for controlling water supply of automatic ice maker in refrigerator and water supply device employing the same |