| 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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| 01/23/1997 | WO1997002421A1 Pumping device |
| 01/22/1997 | EP0754862A1 A fluid displacement apparatus with variable displacement mechanism |
| 01/21/1997 | US5595478 Pump and control valve with annular sealing member to prevent corrosion |
| 01/16/1997 | WO1997001399A1 Washing objects and recovering contaminants |
| 01/16/1997 | DE19525557A1 Dosierpumpe Metering pump |
| 01/15/1997 | EP0753692A1 Control system for controlling minimum flow througput and check valve |
| 01/15/1997 | EP0753102A1 Pump control system |
| 01/14/1997 | US5593291 Fluid pumping apparatus |
| 01/14/1997 | US5592754 Air compressor system |
| 01/14/1997 | CA2094479C Monitoring and pump-off control with downhole pump cards |
| 01/14/1997 | CA2016858C Piston rod seal monitoring arrangement for reciprocating oil pumps |
| 01/09/1997 | DE19542015A1 Druckbetriebene Pumpen Pressure driven pumps |
| 01/08/1997 | EP0752535A1 Directional control valve |
| 01/08/1997 | EP0752531A1 Apparatus for rapid evacuation of a vacuum chamber |
| 01/07/1997 | US5591901 Fluid sensor |
| 01/07/1997 | US5590525 Method of preventing cavitation in an axial piston pump during an aiding load and system and valve employing the same |
| 01/03/1997 | WO1997000380A1 Vane cell pump |
| 01/02/1997 | EP0751446A2 Method and device for monitoring system units |
| 01/02/1997 | DE19523935A1 Pumpvorrichtung Pumping device |
| 12/31/1996 | US5588807 Swash plate type variable displacement compressor |
| 12/31/1996 | US5588805 Vibration and pressure attenuator for hydraulic units |
| 12/31/1996 | US5588339 Adjustable stroke drive for a displacement piston pump |
| 12/27/1996 | EP0750116A1 Control method for displacement-type fluid machine, and apparatus thereof |
| 12/27/1996 | EP0750115A1 A variable capacity swash plate type compressor with an improved hinge unit for inclinably supporting a swash plate |
| 12/24/1996 | US5586870 Bearing structure used in a compressor |
| 12/24/1996 | US5586869 Initial pressure governor for a variable displacement pump |
| 12/24/1996 | CA2096846C Controlling vacuum level with a two-level vacuum system controller and adjustable speed drive |
| 12/24/1996 | CA2070755C Electronic regulator for gasoline engine driven piston paint pumps |
| 12/21/1996 | CA2179254A1 Variable capacity swash plate type compressor with an improved hinge unit for inclinably supporting a swash plate |
| 12/19/1996 | DE19540654C1 Adjusting device for adjusting piston of hydrostatic engine |
| 12/19/1996 | DE19532037C1 Control of pump-compressor with separately controlled suction and pressure valves |
| 12/19/1996 | DE19521635A1 Flügelzellenpumpe Vane pump |
| 12/18/1996 | EP0748937A2 Displacement controlling structure for clutchless variable displacement compressor |
| 12/17/1996 | US5584989 Apparatus for supercritical fluid extraction having means for removing extraction from collection solvent |
| 12/17/1996 | US5584673 Device for reducing the pressure of a compressor in the idling and shutdown mode |
| 12/17/1996 | US5584672 Low profile positive displacement pump system |
| 12/17/1996 | US5584670 Piston type variable displacement compressor |
| 12/17/1996 | US5584667 Method of providing uniform flow from an infusion device |
| 12/12/1996 | DE19622869A1 Swashplate compressor with variable displacement |
| 12/12/1996 | DE19521146A1 Regulator for engine-driven hydro-pump of variable supply volume |
| 12/11/1996 | EP0746684A1 Soft-start pump control system |
| 12/10/1996 | US5582508 Auto-control device for lift pumps |
| 12/10/1996 | US5582017 Cryopump |
| 12/08/1996 | CA2151518A1 Control device for a variable volume pump |
| 12/05/1996 | WO1996038671A1 Compressed air maintenance device |
| 12/05/1996 | DE19534464C1 Device preventing dryout of electromagnetic oscillating-piston pump |
| 12/04/1996 | EP0745400A2 Automatic peristaltic pump occlusion adjustment |
| 12/04/1996 | EP0745189A1 Device for regulating the total output of at least two hydrostatic variable displacement pumps |
| 12/04/1996 | EP0745188A1 Hydraulic actuator for pressure switch of fluidic system |
| 12/04/1996 | EP0744973A1 Systems and methods for communicating with ambulatory medical devices such as drug delivery devices |
| 12/04/1996 | EP0698184A4 Innovative pumping system for peristal pumps |
| 12/03/1996 | US5580221 Motor drive circuit for pressure control of a pumping system |
| 11/27/1996 | EP0744548A2 Refrigerant compressor with rotation detecting means |
| 11/26/1996 | US5578752 Process for measuring the flow rate of thick matter pumps |
| 11/26/1996 | US5577897 Scroll-type variable-capacity compressor having two control valves |
| 11/26/1996 | US5577894 Piston type variable displacement compressor |
| 11/26/1996 | US5577890 Solid state pump control and protection system |
| 11/26/1996 | US5577390 Compressor for single or multi-stage operation |
| 11/21/1996 | WO1996036813A1 Sliding hydraulic output and moment regulation device |
| 11/21/1996 | DE19517974A1 Verschiebbare hydraulische Leistungs- bzw. Momentenregeleinrichtung Adjustable hydraulic power or torque control device |
| 11/20/1996 | EP0742870A1 Hydrostatic axial piston machine |
| 11/19/1996 | US5576582 Automatic pump control |
| 11/19/1996 | US5576503 Method of drawing samples into containers |
| 11/19/1996 | US5575627 High and low pressure two stage pump and pumping method |
| 11/13/1996 | EP0644791A4 Apparatus and method for supercritical fluid extraction. |
| 11/13/1996 | CN1033290C A gas compressor having variable-volume clearance pocket |
| 11/13/1996 | CN1033288C High molecular polymer measuring pump |
| 11/13/1996 | CN1033287C High pressure plug pump with digit control electric motor |
| 11/12/1996 | US5573381 Internally regulated self priming fuel pump assembly |
| 11/12/1996 | US5573379 Variable capacity swash plate type compressor |
| 11/12/1996 | US5572919 Apparatus for controlling pressure in a cylinder chamber of a hydraulic pump-motor |
| 11/07/1996 | WO1996034649A1 Enteral feeding pump motor unit and method of use |
| 11/06/1996 | EP0741068A2 Method for controlling the rotational speed of a pump of a hydraulic power steering device |
| 11/06/1996 | EP0639099A4 Apparatus and method for supercritical fluid extraction. |
| 11/06/1996 | EP0639098A4 Apparatus and method for supercritical fluid extraction. |
| 11/05/1996 | US5571259 Structure of washing machine |
| 11/05/1996 | US5571243 Pump device for supplying fuel from a tank to an internal combustion engine |
| 11/05/1996 | US5571000 Booster pump with bypass valve integrally formed in gasket |
| 11/05/1996 | US5570999 Electromagnetic pump having an automatic exhaust-control valve |
| 10/23/1996 | CN2238329Y Fault display alarm device for long-acting concrete pump |
| 10/22/1996 | US5567124 Variable capacity swash-plate type compressor with an improved capacity control means |
| 10/22/1996 | US5567123 Pump displacement control for a variable displacement pump |
| 10/22/1996 | US5567121 Indicator-ported discharge valves for reciprocating compressors |
| 10/22/1996 | US5566709 Fluid plant and its operating method |
| 10/17/1996 | WO1996032593A1 Displacement controlling device for a variable displacement type hydraulic pump |
| 10/17/1996 | WO1996032589A1 Adjustable hydrostatic radial-piston motor |
| 10/17/1996 | WO1996032587A1 Apparatus for controlling swash-plate pump and motor |
| 10/17/1996 | DE19513987A1 Verstellbare, hydrostatische Radialkolbenmaschine Adjustable hydrostatic radial piston engine |
| 10/17/1996 | DE19513767A1 Adjustable hydrostatic radial piston pump for hydraulic application |
| 10/17/1996 | DE19511591A1 Determining load of forklift truck and stacking vehicle |
| 10/16/1996 | EP0737812A1 Gear pump |
| 10/16/1996 | EP0439621B1 Pressure oil feed circuit device for hydraulic cylinder of operation machine |
| 10/16/1996 | CN1033052C Regulator for variable displacement pump |
| 10/15/1996 | US5564906 Means for moving a valve within a gas compressor having a straight cylinder |
| 10/15/1996 | US5564904 Method of evacuating a single fluid in an enclosure containing a mixture of fluid |
| 10/15/1996 | US5564469 Erosion resistant high pressure relief valve |
| 10/10/1996 | DE19513352A1 Regulating rotation rate of circulation pump of dishwasher |
| 10/10/1996 | DE19513136A1 Control for multi-pump pressure network |
| 10/09/1996 | EP0736708A1 Device for adjustment of the delivery rate of a hydraulic pump |
| 10/09/1996 | CN1132961A Single-phase induction motor and refrigerator using single-phase induction motor |