| 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) |
|---|
| 12/15/1993 | EP0573733A1 Method and apparatus for controlling hydraulic pump |
| 12/15/1993 | CN2149496Y Intermittent air pump |
| 12/14/1993 | US5269930 Apparatus and method for supercritical fluid extraction |
| 12/14/1993 | US5269659 Air sampling pump system |
| 12/09/1993 | WO1993024893A1 Infusion pump configuration scheme using eeproms |
| 12/09/1993 | CA2113905A1 Infusion pump configuration scheme using eeproms |
| 12/08/1993 | EP0573144A1 Compressor unloader |
| 12/07/1993 | US5268103 Apparatus and method for supercritical fluid extraction |
| 12/07/1993 | US5268102 Apparatus and method for supercritical fluid extraction |
| 12/07/1993 | US5267835 Pump speed controller-nuclear hardened/temperature responsive |
| 12/07/1993 | US5267441 Method and apparatus for limiting the power output of a hydraulic system |
| 12/02/1993 | CA2095772A1 Compressor unloader |
| 12/01/1993 | EP0478675B1 A loading machine equipped with a first and a second pump supplying pressure oil to at least one hydraulically driven working component, such as a hydraulic piston-cylinder device or hydraulic motor |
| 12/01/1993 | CN1079030A Automatic control system for diaphragm pumps |
| 12/01/1993 | CN1079029A Controller for low speed start, operation spurt of slide beam oil pump |
| 12/01/1993 | CN1079027A High molecular polymer measuring pump |
| 12/01/1993 | CN1079025A High rpessure plug pump with digit control electric motor |
| 11/30/1993 | US5266010 Method and apparatus for controlling hydraulic pump |
| 11/24/1993 | EP0474720B1 Variable displacement pump |
| 11/18/1993 | EP0570114A1 Control system for prime driver of compressor and method |
| 11/16/1993 | US5261792 Reverse osmosis water purifier booster pump system |
| 11/16/1993 | US5261791 Method and apparatus for recovering pollutants from an aquifer |
| 11/16/1993 | CA2068591C Variable speed hydromassage pump control |
| 11/10/1993 | EP0568567A1 Vacuum-Controller |
| 11/10/1993 | EP0445241B1 Vacuum pumping group |
| 11/10/1993 | EP0436673B1 Electronically controlled cryopump |
| 11/09/1993 | US5259738 Fluid-working machine |
| 11/09/1993 | US5259736 Swash plate type compressor with swash plate hinge coupling mechanism |
| 11/09/1993 | US5259733 Pump in a water distribution network |
| 11/09/1993 | US5259731 Multiple reciprocating pump system |
| 11/09/1993 | US5259556 Pressure washer with pressure bypass |
| 11/09/1993 | US5259427 Package system for collection-transport of waste liquids |
| 11/09/1993 | US5259211 Method for controlling the rotational speed of a motor-compressor used in an air conditioner |
| 11/03/1993 | EP0568176A1 Automatic control system for diaphragm pumps |
| 11/03/1993 | EP0567826A2 Solid pump |
| 11/03/1993 | EP0567527A1 Vapour emission control |
| 11/02/1993 | US5257912 Method of monitoring operation |
| 11/02/1993 | US5257640 Fine pressure control system for high pressure gas |
| 10/31/1993 | CA2089352A1 Automatic control system for diaphragm pumps |
| 10/28/1993 | WO1993021442A1 Well pump control system |
| 10/28/1993 | WO1993021424A1 Variable displacement pump |
| 10/26/1993 | US5256041 Peristaltic pump arrangement |
| 10/20/1993 | EP0566449A1 Hydraulic maximum load and pressure compensating valve |
| 10/20/1993 | CN1077520A Automatic pressure controller for motor driven pump. |
| 10/19/1993 | US5253982 Electrohydraulic pump load control system |
| 10/19/1993 | US5253981 Multichannel pump apparatus with microflow rate capability |
| 10/19/1993 | US5253481 Control unit for activating compressor |
| 10/14/1993 | DE4211788A1 Regulating RPM of high pressure pump in cleaner - using current voltage transformer connected to max.-min. discriminator |
| 10/13/1993 | CN2143685Y Conveniently starting less oil low noise air pump |
| 10/12/1993 | US5252042 Gas booster assembly for fluid pressure piston driving apparatus |
| 10/12/1993 | US5252041 Automatic control system for diaphragm pumps |
| 10/12/1993 | US5252032 Variable capacity swash plate type compressor |
| 10/12/1993 | US5252031 Monitoring and pump-off control with downhole pump cards |
| 10/12/1993 | US5251537 Hydraulic driving system |
| 10/12/1993 | CA1322924C Infusion device with disposable elements |
| 10/07/1993 | DE4307827A1 Hydraulic power supply system - with variable delivery provided by variable displacement pump that is adjusted to meet demands determined by commands to load devices |
| 10/07/1993 | DE4228193C1 Miniature pump flow control - has a porous membrane at inlet or outlet for laser beam to pass through |
| 10/07/1993 | DE4214770C1 Hydrostatic-machine displacement-volume adjustment - has control-pressure pipe connected to adjusting ram whose piston connects it to setting-pressure pipe in intermediate position |
| 10/07/1993 | DE4211551A1 Adjustable pump with cartridge type valves - has pressure limiting valve and pressure switching valve incorporated as single unit |
| 10/07/1993 | DE4211191A1 Control system for electric motor drive for compressor - uses a time interval greater than time interval for reciprocal value of switching frequency. |
| 10/06/1993 | CN1077004A Digital-control boosting metering distribution pump |
| 10/05/1993 | US5250195 For computer controlled high pressure treatment of samples before measurement of radioactivity |
| 10/05/1993 | US5249935 Piston pump |
| 10/05/1993 | US5249929 Liquid chromatographic pump |
| 10/05/1993 | CA1322740C Controlled by-pass for a booster pump |
| 09/30/1993 | WO1993019406A1 Improved pwm control for electric motor driven piston paint pumps |
| 09/30/1993 | WO1993019296A1 Method and apparatus for controlling the operation of a pumpjack |
| 09/30/1993 | WO1993019295A1 Scroll machine with overheating protection |
| 09/29/1993 | EP0562398A1 Pump for viscous material |
| 09/29/1993 | CN1076763A A gas compressor having a variable-volume clearance pocket, and means for varying a clearance pocket in a gas compressor |
| 09/28/1993 | US5248244 Scroll compressor with a thermally responsive bypass valve |
| 09/23/1993 | DE4233994A1 Hydraulic actuator esp. for sliding roof of vehicle - is backed up by hand-operated pump for supplying fluid to cylinder in absence of pressure from electric pump |
| 09/22/1993 | EP0561153A1 Capacity regulating device for at least two hydrostatic variable displacement pumps |
| 09/22/1993 | CA2092065A1 Sludge pump |
| 09/21/1993 | US5246347 Infusion device with disposable elements |
| 09/16/1993 | WO1993018307A1 Compressor slide valve control |
| 09/16/1993 | WO1993018302A1 Methods and apparatus for recovering pollutants |
| 09/16/1993 | WO1993018301A1 Process for measuring the flow rate of thick matter pumps |
| 09/16/1993 | DE4307745A1 Variable delivery compressor with eccentrically mounted rotor - has by=pass channel between chambers which is opened and closed by folding bellows. |
| 09/16/1993 | CA2131708A1 Methods and apparatus for recovering pollutants |
| 09/14/1993 | US5244364 Pumping unit |
| 09/14/1993 | US5244358 Load sensed variable output gear pump |
| 09/14/1993 | US5244357 Method for continuous control of delivery rate of reciprocating compressors and device for carrying out the method |
| 09/14/1993 | US5244356 Hydraulic piston apparatus |
| 09/14/1993 | US5244353 Gas pumping installation having means for regulating its pumping speed |
| 09/14/1993 | US5244350 Adjustable oil pump timing circuit with pressure monitor |
| 09/14/1993 | CA1322105C Electronically controlled cryopump |
| 09/09/1993 | DE4206749A1 Glue metering pump for dowel insertion equipment - has hose membrane adjustable by movable body in housing connected to reservoir via check valve |
| 09/09/1993 | DE4206576A1 Verfahren und anordnung zur bestimmung der foerdermenge oder des foerderstroms von mittels einer kolbendickstoffpumpe transportiertem foerdergut Method and arrangement for determining the delivery or the foerderstroms transported by means of a piston pump Pumped thick material |
| 09/07/1993 | US5241985 Flow control valve system |
| 09/07/1993 | US5241821 Hydraulic system for a vehicle |
| 09/03/1993 | CA2130437A1 Process for measuring the flow rate of thick matter pumps |
| 09/02/1993 | WO1993016829A1 Pump apparatus for pumping melt metal |
| 09/01/1993 | EP0557543A1 Variable speed motor control |
| 09/01/1993 | EP0465474B1 Control arrangement for a two-cylinder pump for thick materials |
| 09/01/1993 | CN1075778A Swash plate type compressor with variable displacement mechanism |
| 08/31/1993 | US5240389 Scroll type compressor |
| 08/31/1993 | US5240387 Variable capacity vane compressor having an improved bearing arrangement for a drive shaft and a capacity control element |
| 08/31/1993 | US5240385 Variable displacement wobble plate type compressor |
| 08/31/1993 | CA2015140C Battery monitoring and charging circuit for sump pumps |