| 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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| 09/18/1984 | US4472112 Pressure control arrangements for an air compression system |
| 09/18/1984 | CA1174561A1 Hydraulic control system |
| 09/13/1984 | WO1984003542A1 Lifting device for the closure plate of compression valves |
| 09/12/1984 | EP0118416A1 Lifting device for the valve plate of compressors |
| 09/12/1984 | EP0118039A1 Positive displacement machine with discharge volume-control |
| 09/11/1984 | US4470764 Demand responsive hydraulic pump |
| 09/11/1984 | US4470428 Unloader and check valve |
| 09/11/1984 | US4470427 Pressure regulator for a pump with controlled intake flow |
| 09/11/1984 | CA1174335A1 Reciprocable pump with variable speed drive |
| 09/11/1984 | CA1174111A1 Destroking start valve for variable displacement pump |
| 09/04/1984 | USRE31657 Feedback mechanism for variable displacement hydraulic device having an electrohydraulic controller |
| 09/04/1984 | CA1173805A1 Compressor |
| 08/28/1984 | US4468222 Intravenous liquid pumping system and method |
| 08/28/1984 | US4468219 Pump flow rate compensation system |
| 08/28/1984 | US4468178 Scroll type compressor with displacement adjusting mechanism |
| 08/28/1984 | US4468173 Control device for a variable displacement pump |
| 08/21/1984 | US4466777 Pump control circuit |
| 08/21/1984 | US4466337 Electro hydraulic control with dead zone compensation |
| 08/21/1984 | CA1173135A1 Constant flow pumping apparatus |
| 08/07/1984 | US4463727 Diesel engine fuel injection system |
| 08/07/1984 | CA1172221A1 Gas compressor of the scroll type having delayed suction closing capacity modulation |
| 08/01/1984 | EP0114646A2 Failure detection system for hydraulic pump |
| 07/31/1984 | US4462758 Water well pump control assembly |
| 07/31/1984 | US4462610 Vehicle height adjusting apparatus |
| 07/31/1984 | US4462491 Apparatus for controlling a driving force applied to a compressor |
| 07/05/1984 | WO1984002558A1 Multiple displacement hydraulic pump sytem with automatic displacement control for brake boosters and the like |
| 07/04/1984 | EP0112791A2 Automatic pressure setting adjustment for pressure compensated pumps |
| 06/27/1984 | EP0112267A1 Servo control variable displacement pressure compensated pump |
| 06/27/1984 | EP0111752A1 Control of an adjustment device for a variable displacement hydrostatic pump |
| 06/26/1984 | US4456435 Scroll type fluid displacement apparatus |
| 06/26/1984 | US4456434 Power transmission |
| 06/26/1984 | US4456310 Hydraulic pump and anti-skid brake system |
| 06/20/1984 | EP0030533B1 Control circuit for variable displacement pumps with override valve |
| 06/19/1984 | USRE31608 Fluid pump mechanism |
| 06/19/1984 | US4455124 Automatic pressure setting adjustment for a pressure compensated pump |
| 06/13/1984 | EP0059712A4 Improved load-plus valve for variable displacement pumps. |
| 06/05/1984 | US4452571 Multiple cylinder rotary compressor |
| 06/05/1984 | US4452570 Multiple cylinder rotary compressor |
| 05/30/1984 | EP0109480A1 Arrangement for interrupting the delivery of a piston compressor |
| 05/29/1984 | EP0059710A4 Multiple pump system with horsepower limiting control. |
| 05/29/1984 | CA1168132A1 Horsepower consumption control for variable displacement pumps |
| 05/29/1984 | CA1168127A1 Control and relief valves |
| 05/22/1984 | US4449650 Metering pump especially for volatile materials |
| 05/16/1984 | EP0108051A1 Regulator for a motor driven pump. |
| 05/15/1984 | USRE31586 Liquid chromatography pump |
| 05/08/1984 | US4447193 Compressor unloader apparatus |
| 05/08/1984 | US4446704 Air conditioning apparatus with temperature regulated cooling |
| 05/08/1984 | CA1166933A1 Drive transmission means |
| 05/02/1984 | EP0035569B1 Reciprocating pump |
| 05/01/1984 | US4446415 Automatic load seeking control for a pumpjack motor |
| 05/01/1984 | US4445824 Valve for compressor clearance or by-pass control |
| 05/01/1984 | US4445818 Apparatus for supplying hydraulic fluid |
| 04/27/1984 | EP0060247A4 Unloading means for flow-pressure compensated valve. |
| 04/27/1984 | EP0059709A4 Torque and high pressure limiting control for variable displacement pumps. |
| 04/27/1984 | EP0059708A4 Horsepower consumption control for variable displacement pumps. |
| 04/25/1984 | EP0106808A2 Radial piston machine with a variable displacement |
| 04/25/1984 | EP0106612A1 Improvements to compressor assemblies |
| 04/24/1984 | US4444545 Pump control system |
| 04/24/1984 | US4444017 Method and apparatus for controlling the operation of a compressor crankcase heater |
| 04/24/1984 | CA1166073A1 Two-component metering pump |
| 04/18/1984 | EP0105526A2 A control device for a pneumatically-driven demand pump |
| 04/18/1984 | EP0105523A1 Automatic neutral point detecting system for hydraulic pump |
| 04/17/1984 | US4443216 Fluid pump |
| 04/17/1984 | US4443159 Power control device for pumps |
| 04/17/1984 | US4443156 Automatic natural gas compressor control system |
| 04/17/1984 | US4442953 Apparatus for supplying fluid of preset quantity |
| 04/10/1984 | US4442395 Pump failure protection for liquid transmission pipelines |
| 04/10/1984 | US4441863 Variable discharge rotary compressor |
| 04/10/1984 | US4441860 Water level detector apparatus of float type |
| 04/10/1984 | CA1165292A1 Variable capacity positive displacement type compressor |
| 04/03/1984 | CA1164728A1 Power steering pump |
| 04/03/1984 | CA1164725A1 Displacement control for a hydraulic pump or motor with failure override |
| 03/28/1984 | EP0104036A2 Single stage liquid motor and pump |
| 03/20/1984 | US4437811 Submersible pump with alternate pump operation control means |
| 03/20/1984 | CA1163849A1 Arrangement for the pulsation-free delivery of a liquid medium, especially for road marking machines |
| 03/15/1984 | WO1984001003A1 Pumping device for hydraulic plants |
| 03/14/1984 | EP0102780A1 Fluid pumping system |
| 03/14/1984 | EP0102691A1 Variable displacement compressor |
| 03/13/1984 | US4436491 Method of supplying hydraulic operating fluid in diaphragm type |
| 03/13/1984 | US4436489 Control device for a liquid pump with adjustable pumping volume |
| 03/13/1984 | US4436486 Circulating pump unit |
| 03/13/1984 | US4436230 Arrangement for pulsation-free feeding of a liquid medium |
| 03/13/1984 | CA1163527A1 Hydraulic drive liquid transfer pump system |
| 03/13/1984 | CA1163499A1 Hydraulic pump |
| 03/06/1984 | US4435134 Flow control valve |
| 03/06/1984 | US4435133 Free piston engine pump with energy rate smoothing |
| 03/06/1984 | US4435130 Hydraulic planetary piston engine having free wheeling valve |
| 03/06/1984 | US4435127 Apparatus with latching effect for limiting pressure in liquid feeding systems |
| 03/06/1984 | CA1163252A1 Unloading means for a gas compressor |
| 03/01/1984 | EP0041518A4 Drive transmission means. |
| 02/21/1984 | US4432705 Refrigeration compressor capacity control means and method |
| 02/21/1984 | US4432703 Adjusting arrangement for a hydraulic pump with variable discharge flow quantity |
| 02/21/1984 | US4432698 Compressor having a starting load reducing apparatus |
| 02/21/1984 | US4432386 Valve assembly for reciprocating plunger pump |
| 02/21/1984 | US4432212 Hermetic turbo-refrigerator apparatus |
| 02/21/1984 | CA1162603A1 Pneumatic device to control the speed of an electric motor |
| 02/15/1984 | EP0100390A2 A method of driving the impeller of a liquid pump by means of a brushless A.C. motor, and a liquid pump for carrying out the method |
| 02/14/1984 | US4431433 Single stage liquid motor and pump |
| 02/14/1984 | US4431381 Variable volume hydraulic pump |
| 02/14/1984 | US4431379 For satisfying the fluid flow requirements of a hydraulic system |