| 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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| 05/27/1997 | US5632605 Multistage vacuum pump |
| 05/27/1997 | CA2106678C Package system for collection-transport of waste liquids |
| 05/22/1997 | DE19647861A1 Compressor with housing and drive shaft |
| 05/21/1997 | EP0774580A2 Vibrating compressor |
| 05/20/1997 | US5630706 Multichannel pump apparatus with microflow rate capability |
| 05/18/1997 | CA2163137A1 Method and apparatus for controlling downhole rotary pump used in production of oil wells |
| 05/14/1997 | EP0773370A1 Hydraulic controller |
| 05/14/1997 | CN1149674A Rotary compressor braked by reverse rotation |
| 05/13/1997 | US5628619 Infusion pump having power-saving modes |
| 05/13/1997 | US5628229 Method and apparatus for indicating pump efficiency |
| 05/09/1997 | WO1997016643A2 Piston pump |
| 05/09/1997 | WO1997016214A1 Dialysis device |
| 05/07/1997 | EP0771949A1 Control device with hydraulic centering mechanism |
| 05/07/1997 | CN1149107A Displacement controlling structure for clutchless variable displacement compressor |
| 05/06/1997 | US5627769 Method and control system for controlling a fluid compression system |
| 05/06/1997 | US5627417 Compressor minimum off-time switch for series connection with delay-on-break feature |
| 05/06/1997 | US5627309 In a fluid |
| 05/06/1997 | US5626465 Hydraulic piston machines |
| 05/06/1997 | US5626114 Fuel pump for high-pressure fuel injection system |
| 05/06/1997 | US5626027 Capacity control for multi-stage compressors |
| 05/06/1997 | US5626015 Delivery control device for hydraulic pumps and hydraulic systems with such devices |
| 05/06/1997 | CA2106647C Valved discharge mechanism in a refrigerant compressor |
| 05/02/1997 | EP0770782A1 Turbo compressor |
| 04/29/1997 | US5624237 Pump overload control assembly |
| 04/24/1997 | WO1997014890A1 Reciprocating variable displacement rotary vane machine |
| 04/24/1997 | WO1997014889A1 Output regulation with load sensing |
| 04/24/1997 | WO1997014453A1 Controlled pneumatic driving system |
| 04/24/1997 | DE19538899A1 Cooler fan hydrostatic drive e.g. for diesel engine of heavy goods vehicle |
| 04/24/1997 | DE19538649A1 Leistungsregelung mit Load-Sensing Power control with load sensing |
| 04/23/1997 | EP0769620A1 Variable capacity refrigerant compressor provided with an improved inclination limiting means for a swash plate element |
| 04/23/1997 | EP0769102A1 Booster pump |
| 04/22/1997 | US5622486 Radially-valve compressor with adjustable clearance |
| 04/17/1997 | DE19641996A1 Compressor with pressure release valve |
| 04/17/1997 | DE19539395A1 Electrically driven liquid pump e.g. for wet cleaning machine |
| 04/16/1997 | CN1147847A Hydraulic controller |
| 04/10/1997 | WO1997013066A1 Synchronized unloader system and method for a gas compressor |
| 04/10/1997 | CA2267234A1 Synchronized unloader system and method for a gas compressor |
| 04/09/1997 | EP0766788A1 Adjustable hydrostatic radial-piston motor |
| 04/09/1997 | CN1147076A Drive for outdoor draft fan |
| 04/09/1997 | CN1147056A Liquid level monitoring arrangement |
| 04/08/1997 | US5618165 Variable displacement and constant pressure pump |
| 04/08/1997 | US5618163 Volumetric pump shift bottoming detector |
| 04/03/1997 | WO1997013068A1 Method and device for producing an intake valve of plate-like construction |
| 04/03/1997 | DE19548497C1 High pressure cleaning equipment |
| 04/03/1997 | DE19536106A1 Circuit arrangement for motor vehicle control system |
| 04/03/1997 | CA2234157A1 Method and apparatus for a suction valve of the plate-type of construction |
| 04/02/1997 | EP0577783B1 Variable pressure inlet system for hydraulic pumps |
| 04/02/1997 | CN2251054Y Relief valve for small high-pressure pump |
| 04/02/1997 | CN1146796A Directional control valve |
| 03/27/1997 | WO1997011265A1 Device for controlling the rotation speed of an engine for a hydraulic working machine |
| 03/25/1997 | US5614089 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| 03/25/1997 | US5613840 Pump including a control valve and sealing member |
| 03/25/1997 | US5613834 Positive displacement pump including modular pump component |
| 03/20/1997 | WO1997010019A1 Flow estimation and compensation of flow-induced pressure swings in cpap treatment and assisted respiration |
| 03/20/1997 | DE19537442A1 Feed-pump supplying receiver in motor vehicle |
| 03/19/1997 | EP0763660A2 Variable capacity vane compressor with linear actuator |
| 03/19/1997 | EP0711383A4 Improved bootstrap power steering systems |
| 03/19/1997 | EP0462238B1 Device for monitoring the rotation of a drive shaft, for instance in a peristaltic pump |
| 03/19/1997 | CN1145658A Adjustable hydrostatic radial-piston motor |
| 03/18/1997 | US5611675 Swash plate compressor with start up flow restrictive inlet spool valve |
| 03/18/1997 | US5611200 Linear hydraulic actuator with adjustable output speed |
| 03/13/1997 | DE19541220C1 Variable-speed hydraulic pump delivering at constant rate |
| 03/12/1997 | EP0762256A1 Flow control valve |
| 03/12/1997 | EP0761975A1 Gas compressor |
| 03/12/1997 | EP0761966A2 Pump displacement control for a variable displacement pump |
| 03/11/1997 | USRE35473 Sludge flow measuring system |
| 03/11/1997 | US5610958 Reactor circulating pump system |
| 03/05/1997 | EP0760244A1 Linear pump |
| 03/05/1997 | EP0760059A1 Low power electromagnetic pump |
| 03/05/1997 | EP0648315B1 High-pressure cleaning device |
| 02/27/1997 | WO1997007335A1 Piston-type compressor, especially for generating compressed air in motor vehicles |
| 02/27/1997 | DE19633533A1 Swashplate driven compressor e.g. for motor vehicle air conditioning system |
| 02/26/1997 | EP0759505A2 Variable displacement compressor |
| 02/26/1997 | CN1143718A Variable capacity swash plate type compressor |
| 02/26/1997 | CA2184026A1 Floating pump |
| 02/20/1997 | WO1997005913A1 Diaphragm pump and pump mounted in a carrying case useful in breast pumping |
| 02/18/1997 | US5603610 Clutchless piston type variable displacement compressor |
| 02/18/1997 | US5603609 Variable delivery swash plate pump having a piston located spill port |
| 02/18/1997 | US5603354 Volumetric pump/valve |
| 02/13/1997 | WO1997005387A1 Device with at least one hydraulic shaft |
| 02/13/1997 | WO1997005384A1 Durable high-precision magnetostrictive pump |
| 02/13/1997 | WO1997005382A1 Fluid pumping apparatus |
| 02/13/1997 | WO1997005381A1 Pump |
| 02/13/1997 | WO1997004888A1 High-pressure cleaning equipment |
| 02/13/1997 | DE19529684A1 Kolbenverdichter, insbesondere für die Drucklufterzeugung in Kraftfahrzeugen Piston compressor, in particular for generating compressed air in motor vehicles |
| 02/12/1997 | EP0758055A1 Apparatus and method for electronically controlling inlet flow and preventing backflow in a compressor |
| 02/12/1997 | EP0757757A1 Single-piston, multi-mode fluid displacement pump |
| 02/12/1997 | EP0757587A1 Mixing apparatus for microflow gradient pumping |
| 02/12/1997 | EP0725900A4 Relief valve seat for positive displacement pump |
| 02/12/1997 | CN1142596A Capacity control for multi-stage compressors |
| 02/11/1997 | US5601707 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| 02/11/1997 | US5601414 Interstage liquid/gas phase detector |
| 02/11/1997 | US5601413 Automatic low fluid shut-off method for a pumping system |
| 02/11/1997 | US5600961 Refrigeration system with dual cylinder compressor |
| 02/05/1997 | EP0756902A1 High-pressure cleaning device |
| 01/30/1997 | WO1997003290A1 Dosing pump |
| 01/30/1997 | DE19527402A1 Pumpe Pump |
| 01/29/1997 | CN1141415A Difuser driving apparatus for air conditioner |
| 01/29/1997 | CN1141393A Refricerant compressor with rotation detecting means |
| 01/28/1997 | US5597960 Pump station flowmeter |