| 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) |
|---|
| 02/06/2001 | CA2212942C Gas actuated slide valve in a screw compressor |
| 02/06/2001 | CA2199405C System for increasing flow uniformity |
| 02/01/2001 | WO2000065237A3 Gas pressurized liquid pump with intermediate chamber |
| 02/01/2001 | DE4447648C2 Reciprocating piston compressor for cooling gas |
| 02/01/2001 | DE19931961A1 Verfahren zur Regelung einer Fördergröße einer Pumpe Method for controlling a feed size of a pump |
| 01/31/2001 | EP1072868A1 Dosing device for liquids |
| 01/31/2001 | CN1281945A High pressure pump with switch valve for supplying fuel to internal combustion engine |
| 01/30/2001 | US6179570 Variable pump control for hydraulic fan drive |
| 01/25/2001 | WO2001006126A1 Hydraulic power system |
| 01/24/2001 | EP1070846A2 Displacement control device for variable displacement compressor |
| 01/24/2001 | EP1070845A1 Crank pressure control mechanism of variable displacement compressor |
| 01/24/2001 | CN2416251Y Air-pressure automatic stabilizing apparatus for air compressor |
| 01/23/2001 | US6176684 Variable displacement hydraulic piston unit with electrically operated variable displacement control and timing control |
| 01/23/2001 | US6176683 Output control apparatus for linear compressor and method of the same |
| 01/23/2001 | US6176682 Pumpjack dynamometer and method |
| 01/23/2001 | US6176251 Valve assembly in particular for a pressure washer |
| 01/23/2001 | US6176126 Engine speed control system for construction machine |
| 01/23/2001 | US6176095 Pretrip device for testing of a refrigeration system compressor |
| 01/23/2001 | US6176085 Hydraulic drive system |
| 01/23/2001 | US6176083 Apparatus and method for controlling displacement of steering pump for work vehicle |
| 01/18/2001 | WO2001004584A1 Dosing device for liquids |
| 01/18/2001 | WO2001003758A1 Volumetric infusion pump with servo valve control |
| 01/18/2001 | WO2000060239A3 Load sharing valve and system for operating centrifugal pumps in parallel |
| 01/18/2001 | DE19933202A1 Method for operating multi-phase compressor especially for refrigerating plants uses computer-calculated speed combinations for comparing ideal value and actual value of cold water header temperature for selecting right combination |
| 01/18/2001 | DE19930610A1 Compressor with boiler and compression unit, having flange casing between two compressed air line sectors |
| 01/18/2001 | CA2341745A1 Volumetric infusion pump with servo valve control |
| 01/17/2001 | EP1068453A1 Injection pump for dye dispensing machine |
| 01/17/2001 | EP1068451A1 Diaphragm pump and pump for double-breast pumping |
| 01/17/2001 | CN1280253A Method for regulating pump transport volume |
| 01/17/2001 | CN1060845C Apparatus for automatic controlling load of oil pumping unit and balance of oil well liquid supply rate |
| 01/16/2001 | US6174137 Compressor having load control |
| 01/16/2001 | US6174136 Pump control and method of operating same |
| 01/16/2001 | US6173513 Wheel loader |
| 01/11/2001 | WO2001002736A1 Hydraulic control device for supplying a pressure means to preferably, several hydraulic consumers |
| 01/11/2001 | WO2001002726A1 Control valve for variable displacement compressor |
| 01/11/2001 | DE19930648A1 Elektrohydraulische Druckversorgung mit verstellbarer Pumpe und regelbarem elektrischem Antrieb Electro-hydraulic pressure supply pump with adjustable and controllable electric drive |
| 01/10/2001 | EP1067287A1 Swash plate type variable displacement compressor |
| 01/10/2001 | EP1066997A2 Air conditioning apparatus and control procedure for variable displacement compressor |
| 01/10/2001 | EP0766788B1 Adjustable hydrostatic radial-piston motor |
| 01/10/2001 | CN2414221Y Strong sand-proof plunger assembly |
| 01/10/2001 | CN1279355A Valve for closed compressor |
| 01/10/2001 | CN1279354A Cut-off method and unit with compressed air for pump station |
| 01/10/2001 | CN1279345A IC engine supply high pressure pump with detachable shut/open valve |
| 01/09/2001 | US6171073 Fluid vacuum safety device for fluid transfer and circulation systems |
| 01/09/2001 | US6171072 Combination aspirator pump and air compressor apparatus for use in medical procedures |
| 01/09/2001 | US6171071 Water pump having water cooling device |
| 01/09/2001 | US6171065 Compressor that can be switched on and off on demand and method for controlling or regulating such a compressor |
| 01/09/2001 | US6170277 Control algorithm for maintenance of discharge pressure |
| 01/09/2001 | US6170262 Control device for hydraulically driven equipment |
| 01/04/2001 | WO2001000992A1 Variable-capacity control for refrigerating cycle |
| 01/04/2001 | DE19930618A1 Hydraulische Steueranordnung zur Druckmittelversorgung von vorzugsweise mehreren hydraulischen Verbrauchern A hydraulic control arrangement for the pressure medium supply of preferably a plurality of hydraulic consumers, |
| 01/04/2001 | DE19930562A1 Hydraulikanlage für ein Flurförderzeug Hydraulic system for a truck |
| 01/03/2001 | EP1065455A2 Hot gas compressor bypass using oil separator circuit |
| 01/03/2001 | EP1065386A2 Hydraulic circuit for a materials handling vehicle |
| 01/03/2001 | EP1065380A1 DC-Motor control circuit for a diaphragm pump |
| 01/03/2001 | EP1065379A2 Electrohydraulic pressure supply with variable displacement pump and controllable electric drive |
| 01/03/2001 | EP1065375A2 Crankcase pressure control for swash plate compressor |
| 01/03/2001 | EP1065372A2 Device for regulating the delivery pressure of a pump, for example, for feeding fuel to an internal combustion engine |
| 01/03/2001 | EP1065371A2 High-pressure pump with a removable on-off valve for feeding fuel to an internal combustion engine |
| 01/03/2001 | EP1065370A2 High-pressure pump with an on-off valve for feeding fuel to an internal combustion engine |
| 01/03/2001 | EP0667452B1 Capacity control device in variable capacity hydraulic pump |
| 01/03/2001 | CN1278891A Hydraulic machine with radial pistons and variable displacement |
| 01/02/2001 | US6167702 Rotary mechanism control with power supply |
| 12/28/2000 | WO2000079671A1 Linear motor |
| 12/28/2000 | WO2000079188A1 Refrigerant compressor driven by variable supply frequency motor |
| 12/28/2000 | WO1999037920A3 Variable capacity compressor having adjustable crankpin throw structure |
| 12/28/2000 | EP1051571A3 Variable capacity compressor having adjustable crankpin throw structure |
| 12/28/2000 | DE19939200A1 Arrangement for providing pressure in vehicle pressure reservoir has parallel pumps with different pumping power levels; maximum total power matches required maximum flow rate |
| 12/28/2000 | CA2374351A1 Linear motor |
| 12/27/2000 | EP1062424A1 Hydraulically-actuated system having a variable delivery fixed displacement pump |
| 12/27/2000 | EP0846224B1 Fuel supply pump for a fuel injection pump for internal combustion engines |
| 12/27/2000 | CN2412106Y Electromagnetic liquid pumping appts. |
| 12/26/2000 | US6164926 Variable displacement compressor |
| 12/26/2000 | US6164925 Control valve for variable displacement compressors |
| 12/26/2000 | US6164924 Piston and drive assembly for use in a pump |
| 12/26/2000 | US6164923 Mobile thick matter pump |
| 12/26/2000 | CA2027994C Vehicle suspension system |
| 12/21/2000 | WO2000077403A1 Volume control valve of variable displacement hydraulic rotating machine |
| 12/21/2000 | WO2000077397A1 Piston pump, method and installation for filtering water |
| 12/21/2000 | WO2000077389A1 Pump assembly for supplying fuel |
| 12/21/2000 | DE19959006C1 Radial piston pump for common-rail fuel injection system for automobile engine has suction valve for one cylinder bore controlled in dependence on rotation angle of eccentric drive shaft |
| 12/21/2000 | DE19926969A1 Hydrostatic drive system for e.g. industrial trucks etc. and pump and consumer with regulator units with adjustable regulating speeds |
| 12/21/2000 | DE19926308A1 Pumpenanordnung für Kraftstoff Pump assembly for fuel |
| 12/21/2000 | DE10019606A1 Drive control apparatus of cooling fan used in hydraulic powered machine e.g. construction machinery, controls capacity of hydraulic motor and pump based on difference between actual and target values of fan speed |
| 12/21/2000 | CA2412378A1 Piston pump, method and installation for filtering water |
| 12/20/2000 | EP1060335A1 Scroll compressor with combined pressure ratio and pressure differential relief valve |
| 12/20/2000 | CN1277663A Bellows type pressure responding valve |
| 12/19/2000 | US6162030 Zero leakage valveless positive fluid displacement device |
| 12/19/2000 | US6162026 Variable displacement type compressor |
| 12/19/2000 | US6162024 Constant horsepower continuously variable volume pump |
| 12/19/2000 | US6162022 Hydraulic system having a variable delivery pump |
| 12/19/2000 | US6161522 Controller of engine and variable capacity pump |
| 12/14/2000 | WO2000074990A1 Vehicle air braking systems |
| 12/13/2000 | EP1059445A2 Variable capacity type compressor with check valve |
| 12/13/2000 | EP1059443A2 Displacement control valve |
| 12/13/2000 | EP1059183A2 Vehicular air conditioner |
| 12/13/2000 | CN2410444Y Safety protective controller for thickened oil well pump |
| 12/13/2000 | CN1276493A Variable displacement compressor with check valve |
| 12/12/2000 | US6161069 Power steering apparatus |
| 12/12/2000 | US6158970 Variable displacement compressor |