| 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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| 12/01/1992 | US5167292 Motive power unit for driving a hydrostatic transmission coupled to an internal combustion engine |
| 12/01/1992 | US5167127 Car air conditioner |
| 12/01/1992 | US5167041 For use in a tub or spa |
| 12/01/1992 | CA1310873C Disposable fluid infusion pumping chamber cassette and drive mechanism thereof |
| 11/26/1992 | WO1992020921A1 Overload protective device for an internal combustion engine acting as the drive motor of the main pump of a hydraulic pressure generator |
| 11/26/1992 | DE4116649A1 Control for vehicle hydrostatic drive - has valves responsive to control pressure in connecting pipes for pump |
| 11/25/1992 | EP0514767A2 Flow control apparatus |
| 11/24/1992 | US5165875 Reciprocating hydraulic pump |
| 11/24/1992 | US5165864 Vacuum pump unit |
| 11/24/1992 | US5165862 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 |
| 11/24/1992 | CA1310512C Pump control system |
| 11/19/1992 | EP0512983A1 Airflow control system pump and housing. |
| 11/19/1992 | DE4115606A1 Ueberlast-schutzeinrichtung fuer einen als brennkraftmaschine ausgebildeten antriebsmotor einer hauptpumpe eines hydraulischen druckversorgungsaggregats Overload-protection device for an internal combustion engine designed as a main pump drive motor of a hydraulic pressure supply unit |
| 11/18/1992 | CN2122246U 8 route patrol check air compressor safety monitor |
| 11/17/1992 | US5163818 Automatic constant air flow rate pump unit for sampling air |
| 11/17/1992 | CA1310196C Continuously variable capacity refrigeration system |
| 11/12/1992 | WO1992019867A1 Process and device for the controlled metering of at least one pourable component |
| 11/11/1992 | EP0512688A2 Proportioning pump |
| 11/11/1992 | EP0512166A1 Method and apparatus for removal of floating immiscible liquids |
| 11/11/1992 | CN2121547U Flow adjustable electric reciprocating pump |
| 11/10/1992 | US5161954 De-sludging systems |
| 11/05/1992 | DE4211068A1 Air compressor for motor vehicle - has outlet valve to reservoir, inlet valve controlled according to pressure in reservoir by electromagnet using clocking frequency dependent on pressure |
| 11/04/1992 | CN2120899U Pressure switch for air compressor |
| 11/04/1992 | CN2120895U Adjustable gas reciprocating pump |
| 11/04/1992 | CN2120890U Safety alarm device for inflater |
| 11/04/1992 | CN1065906A Slant plate type compressor with variable displacement mechanism |
| 11/03/1992 | US5160624 Automatic injection; high pressure vessel; high speed |
| 11/03/1992 | US5160245 Displacement control feedback apparatus and method |
| 11/03/1992 | US5160216 Drainage distribution amount determining method and drainage system |
| 11/03/1992 | US5159992 Infinitely variable hydrostatic transmission drive |
| 11/03/1992 | CA1309698C Variable capacity compressor |
| 10/28/1992 | EP0510496A1 Slant plate type compressor with variable displacement mechanism |
| 10/27/1992 | US5158441 Proportioning pump |
| 10/27/1992 | US5158436 Pump with speed controller responsive to temperature |
| 10/21/1992 | CN2119520U Electrocontroller for concrete conveying pump |
| 10/20/1992 | US5156531 Radial piston pump |
| 10/20/1992 | US5156177 Flow loading unloader valve |
| 10/15/1992 | WO1992017704A1 Rocking swash plate type variable capacity compressor |
| 10/15/1992 | DE4111803A1 Pump specifically designed for delivering water - adjusts to varying operating conditions using non=return valves and a hp relief valve |
| 10/14/1992 | EP0508823A1 A slant plate type compressor with a variable displacement mechanism |
| 10/14/1992 | EP0508556A1 Motor unit for a fluid pump and method of operation |
| 10/14/1992 | CN2118836U Adjustable vacuum pump |
| 10/14/1992 | CN2118835U Adjustable air pump |
| 10/13/1992 | US5154589 Metering pump |
| 10/07/1992 | CN2118189U Tooth type barring apparatus |
| 10/07/1992 | CN2118180U Automatic control apparatus for intermittent working of oil pumping machine |
| 09/29/1992 | US5151017 Variable speed hydromassage pump control |
| 09/29/1992 | US5151015 Compression device, particularly for the pressure filling of a container |
| 09/23/1992 | EP0504415A1 Control system of hydraulic pump |
| 09/23/1992 | CN1018377B Apparatus for controlling volume of pumps or motor |
| 09/22/1992 | US5148685 Control system for variable-capacity compressor in air conditioner |
| 09/17/1992 | WO1992015979A1 Computer controlled positive displacement pump for physiological flow simulation |
| 09/16/1992 | EP0503260A1 Device for a hydrostatic pump delivery control |
| 09/15/1992 | US5147559 Controlling cone of depression in a well by microprocessor control of modulating valve |
| 09/15/1992 | US5146763 Air conditioning compressor protection device |
| 09/09/1992 | EP0502095A1 Method and apparatus for controlling a fluid compression system. |
| 09/08/1992 | US5145327 Variable capacity vane compressor having an improved bearing for a capacity control element |
| 09/08/1992 | US5145324 RAM air turbine driving a variable displacement hydraulic pump |
| 09/08/1992 | US5145323 Liquid level control with capacitive sensors |
| 09/03/1992 | WO1992014930A1 Stator current based malfunction detecting system in a variable flow delivery pump |
| 09/02/1992 | EP0501463A2 Common-rail fuel injection system for an engine |
| 09/02/1992 | EP0501459A2 Common-rail fuel injection system and related method |
| 09/02/1992 | EP0500825A1 Reciprocating pump. |
| 08/26/1992 | EP0499794A1 Hydraulic pump |
| 08/25/1992 | US5141413 Gas compressor having a variable-volume clearance pocket, and means for varying a clearance pocket in a gas compressor |
| 08/25/1992 | US5141407 Scroll machine with overheating protection |
| 08/25/1992 | US5141403 Two-level vacuum system controller with adjustable speed drive |
| 08/25/1992 | US5141402 Power transmission |
| 08/20/1992 | WO1992014058A1 Junction assembly with leak detection means |
| 08/18/1992 | US5140311 Pump shut-down system |
| 08/18/1992 | US5139051 Unloading valve for an air compressor system |
| 08/18/1992 | US5138932 Pump/motor control mechanism |
| 08/13/1992 | DE4104006A1 Anti-cavitation control for variable hydraulic pump - monitors suction pressure by processor control to vary pump rate |
| 08/13/1992 | DE4103857A1 Control system for electric motor driven pump esp. for sewage lifting plant - has filling level switch for level dependent control of pump, also at least one motor contactor for connecting motor to supply mains controlled by level switch |
| 08/12/1992 | CN1017824B Pumping plant |
| 08/11/1992 | US5136932 Radial piston hydraulic motor of variable cylinder capacity |
| 08/11/1992 | US5136931 Rotary type fluid energy convertor |
| 08/06/1992 | WO1992013216A1 Vapour emission control |
| 08/05/1992 | EP0497293A1 Method for regulating a hydrostatic drive at a limited load and hydrostatic drive for working machines |
| 08/05/1992 | EP0496803A1 Computer controlled metering pump. |
| 08/04/1992 | US5135359 Emergency light and sump pump operating device for dwelling |
| 08/04/1992 | US5135031 Power transmission |
| 07/30/1992 | DE4102406A1 Improved safety circuit for hydraulically driven transfer pump - for used oil etc. in road tanker |
| 07/30/1992 | DE4102364A1 Piston pump unit - has stepped piston forming two working chambers |
| 07/29/1992 | EP0495813A1 Process for operating an auxiliary pump. |
| 07/28/1992 | US5133646 Antisurge apparatus for eliminating surges in compressed air output by a compressor |
| 07/28/1992 | US5133644 Multi-pressure compensation of variable displacement pump |
| 07/28/1992 | US5133244 Radial piston hydraulic motor of variable cylinder capacity |
| 07/28/1992 | US5133186 Device for controlling the pressure in a hydraulic pressure system |
| 07/23/1992 | WO1992013195A1 Safety device |
| 07/23/1992 | CA2101170A1 Safety device |
| 07/22/1992 | EP0495654A1 Control apparatus for variable displacement pump |
| 07/22/1992 | EP0495146A1 Variable displacement fluid pump with improved wideband neutral |
| 07/22/1992 | EP0358743B1 Brake system |
| 07/21/1992 | US5132014 Pressure vessel; cartridge with sealing plug |
| 07/18/1992 | CA2059460A1 Multi-pressure compensation of variable displacement pump |
| 07/15/1992 | EP0494236A1 Improved fluid-working machine. |
| 07/14/1992 | US5129791 Variable capacity vane compressor controllable by an external control signal |
| 07/14/1992 | US5129230 Control system for load sensing hydraulic drive circuit |
| 07/09/1992 | DE4142534A1 Rotary compressor control for refrigerator suitable for vehicle - provides drive by inverter coupled to three=phase induction motor allowing supply from car battery |