| 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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| 08/05/1986 | US4604036 Torque control apparatus for enclosed compressors |
| 07/31/1986 | WO1986004431A1 Digital electro-hydraulic valve arrangement |
| 07/23/1986 | EP0188044A1 Precise pressure regulator for a variable output pump |
| 07/23/1986 | EP0187885A1 Liquid pump with a hydromotor |
| 07/23/1986 | EP0187792A1 Arrangement for influencing the speed of a compressor of a refrigerating system. |
| 07/22/1986 | US4601641 Discharge pressure-dependant variable-capacity radial plunger pump |
| 07/15/1986 | US4600364 Fluid operated pump displacement control system |
| 07/09/1986 | CN85108837A Apparatus for releasing clutch which connects the motor driving device with the compressor |
| 07/08/1986 | US4599051 Vane type rotary pump |
| 07/08/1986 | US4599050 Device for controlling displacement of variable displacement hydraulic pump |
| 07/08/1986 | US4599049 High pressure meter pump |
| 07/08/1986 | US4599046 Control improvements in deep well pumps |
| 07/08/1986 | CA1207449A1 Method and apparatus for entering control points relative to a dynagraph of a well pumping unit |
| 07/08/1986 | CA1207448A1 Method and apparatus for weighing a sucker-rod pumped well |
| 06/24/1986 | US4596518 Swash-plate type compressor |
| 06/24/1986 | US4596514 Pressure responsive pump drive motor control apparatus having spot switch and alarm lamp |
| 06/24/1986 | CA1206378A1 Fluid flow machine with an electromagnetically operated diaphragm pump |
| 06/17/1986 | US4595341 Fluid supply apparatus including plural reservoirs and condition responsive control of pump drive motor by contaminant sensing probes |
| 06/17/1986 | CA1206129A1 Variable displacement compressor control valve arrangement |
| 06/11/1986 | EP0184329A1 Positive displacement air compressors |
| 06/10/1986 | US4594059 Diaphragm pump |
| 06/10/1986 | US4593524 Control device for a power-driven air pump for a car |
| 06/10/1986 | CN85107744A 电动泵 Electric pump |
| 05/27/1986 | US4591314 Hydraulic power supply system utilizing a solid propellant gas generator |
| 05/27/1986 | CA1205057A1 Compressor apparatus |
| 05/21/1986 | EP0181679A1 Pump unit |
| 05/20/1986 | US4589825 High-pressure cleaning unit with a bypass valve |
| 05/14/1986 | EP0180912A2 Fluidic radial piston machine |
| 05/14/1986 | EP0180746A1 Constant flow-rate pump |
| 05/13/1986 | US4588359 Compressor capacity control apparatus |
| 05/13/1986 | US4588357 Hydraulic throttle control |
| 05/13/1986 | US4587808 Control system for hydraulic circuit means |
| 05/10/1986 | CN85104096A Fluid operated pump displacement control system |
| 05/09/1986 | WO1986002702A1 Method and piston pump for operation of a hydraulic system |
| 05/06/1986 | US4586874 Refrigerant compressor with a capacity adjusting mechanism |
| 04/30/1986 | EP0179713A1 Fuel-metering device, for example for a gas turbine |
| 04/30/1986 | EP0179587A2 Power system for infusion pumps |
| 04/23/1986 | EP0178750A2 Method of operating a positive displacement pump |
| 04/22/1986 | US4584654 Method and system for monitoring operating efficiency of pipeline system |
| 04/22/1986 | US4583916 Electrical control system for oil well bailer pump |
| 04/22/1986 | US4583915 Pump-off controller |
| 04/22/1986 | CA1203603A1 Degradation sensing and shut-down means for refrigeration motor-compressor units |
| 04/10/1986 | CN85108395A Fuel supplying apparatus |
| 04/08/1986 | US4580950 Sliding-vane rotary compressor for automotive air conditioner |
| 04/08/1986 | US4580949 Sliding vane type rotary compressor |
| 04/08/1986 | US4580947 Method of controlling operation of a plurality of compressors |
| 04/02/1986 | EP0176219A1 Flow regulator valve |
| 04/01/1986 | US4579043 Hydrostatic machine with fixed or variable displacement |
| 03/19/1986 | EP0174516A1 Rotary variable-delivery compressor |
| 03/18/1986 | US4576552 Air and water volume control apparatus for hydropneumatic tanks |
| 03/18/1986 | US4576064 Coupling mechanism for wind turbine |
| 03/11/1986 | US4575735 Droplet depositing viscosity line-pressure sensing control for fluid re-supply |
| 03/05/1986 | EP0172970A2 Refrigerant compressor |
| 03/04/1986 | US4573878 Variable-delivery compressor |
| 02/27/1986 | WO1986001261A1 Flow regulating device for a rotary piston pump |
| 02/19/1986 | EP0171392A1 Load responsive system. |
| 02/18/1986 | US4570667 Demand responsive flow regulator valve |
| 02/13/1986 | WO1986000963A1 Manual and automatic governor for a hydrostatic transmission |
| 02/12/1986 | EP0171094A1 A method of driving the impeller of a liquid pump |
| 02/11/1986 | US4569636 Device for regulating the delivery of rotary compressors |
| 02/11/1986 | CA1200435A1 Servo control variable displacement pressure compensated pump |
| 02/11/1986 | CA1200434A1 Automatic pressure setting adjustment for a pressure compensated pump |
| 02/04/1986 | US4568251 Cyclic speed control apparatus in variable stroke machines |
| 02/04/1986 | US4568249 Variable reciprocating plunger pump |
| 01/30/1986 | WO1986000690A1 Arrangement for influencing the speed of a compressor of a refrigerating system |
| 01/30/1986 | WO1986000671A1 Regulation device for a positive displacement pump, particularly a semi-rotary cell pump |
| 01/30/1986 | WO1986000670A1 Variable displacement hydraulic pressure intensifier |
| 01/28/1986 | US4566863 Rotary compressor operable under a partial delivery capacity |
| 01/28/1986 | US4566858 Pulsation-free volumetric pump |
| 01/28/1986 | CA1199999A1 Apparatus for preventing overcurrent draw in a hydraulic turbine drive centrifuge |
| 01/21/1986 | US4565488 Compressor |
| 01/07/1986 | US4563134 Cylinder head with pressure regulator valve |
| 01/07/1986 | CA1198934A1 Valve piston for constant displacement pump |
| 01/07/1986 | CA1198933A2 Sealing arrangement for vertical top mounted pump switches |
| 01/02/1986 | EP0165927A1 Compression relief |
| 12/31/1985 | US4561828 Pump for forwarding liquids |
| 12/31/1985 | US4561827 Air compressor having condition responsive clutch control |
| 12/24/1985 | US4560322 Regulator for regulating the output pressure of a motor driven pump |
| 12/24/1985 | US4559778 Control device for a hydrostatic transmission |
| 12/18/1985 | EP0164602A2 Device for regulating the pressure and the capacity of a variable-capacity pump |
| 12/17/1985 | US4558994 Dual stage air compressor |
| 12/17/1985 | US4558993 Rotary compressor with capacity modulation |
| 12/17/1985 | US4558593 Failure detection system for hydraulic pumps |
| 12/10/1985 | US4557670 For use in a refrigeration apparatus |
| 12/10/1985 | US4557287 Pressure control valve for fuel injection pumps |
| 12/05/1985 | WO1985005333A1 Hydrostatic vehicle control |
| 12/05/1985 | WO1985005332A1 Hydrostatic vehicle control |
| 11/27/1985 | EP0162222A2 Compressor inlet control device |
| 11/21/1985 | WO1985005046A1 Device for stirring or pumping |
| 11/21/1985 | EP0149667A4 Plural hydraulic pump system with automatic displacement control. |
| 11/19/1985 | US4553908 High pressure pump with a flow control valve |
| 11/19/1985 | US4553907 Unloading mechanisms for air compressors |
| 11/19/1985 | US4553904 Pump control with fluid responsive standby pressure |
| 11/19/1985 | CA1196837A1 Power transmission |
| 11/12/1985 | US4552513 Multiple piston pump control |
| 11/06/1985 | EP0160055A1 Hydromagnetic pressurization system |
| 11/05/1985 | US4551730 Method and apparatus for entering control points relative to a dynagraph of a well pumping unit |
| 11/05/1985 | US4551069 Integral oil pressure sensor |
| 11/05/1985 | CA1196251A1 Pump swashplate control assist |
| 10/29/1985 | US4549856 Compressor control system |