| 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) |
|---|
| 02/14/1984 | CA1162214A1 Self-contained fountain arrangement |
| 02/14/1984 | CA1162154A1 Warm-up valve in a variable displacement system |
| 01/31/1984 | US4428718 Variable displacement compressor control valve arrangement |
| 01/31/1984 | CA1161409A1 Unloader/check valve |
| 01/24/1984 | US4427346 Motor-driven reciprocating piston compressor, particularly for hermetically encapsulated small refrigerators |
| 01/17/1984 | US4426196 Oil supply system |
| 01/17/1984 | US4426195 Adjustable axial flow piston machines |
| 01/17/1984 | CA1160605A1 Cylinder unloading mechanism for refrigeration compressor |
| 01/17/1984 | CA1160539A1 Power transmission |
| 01/17/1984 | CA1160538A1 Power transmission |
| 01/10/1984 | CA1160319A1 Pump failure protection for liquid transmission pipelines |
| 01/03/1984 | US4424005 Method and apparatus for controlling the capacity of a reciprocating compressor |
| 12/27/1983 | US4422834 Power steering pump |
| 12/20/1983 | US4421462 Variable displacement pump of vane type |
| 12/20/1983 | US4421459 Fluid level control apparatus |
| 12/20/1983 | US4420937 Hydraulic circuit for a variable displacement pump |
| 12/20/1983 | US4420935 Hydraulic system |
| 12/13/1983 | US4420393 Pump for liquid chromatography and a chromatograph including the pump |
| 12/13/1983 | US4420290 Power steering pump |
| 12/13/1983 | US4420289 System for successively producing hydraulic fluid flows at staggered values |
| 12/13/1983 | CA1158745A1 Method and apparatus for controlling capacity of a multiple-stage cooling system |
| 11/30/1983 | EP0095037A2 Lubricant watching device at a piston compressor |
| 11/24/1983 | WO1983004074A1 Regulator |
| 11/23/1983 | EP0094457A1 Safety arrangement for a vacuum pump |
| 11/22/1983 | US4416590 Hydraulic drive liquid transfer pump system |
| 11/22/1983 | CA1157314A1 Apparatus for converting a pump to a controller |
| 11/16/1983 | EP0093916A1 Control apparatus for a variable displacement pump |
| 11/15/1983 | US4415313 Hydraulic generator with free-piston engine |
| 11/15/1983 | CA1157129A1 Dosing apparatus |
| 11/09/1983 | EP0093705A1 Piston compressor |
| 11/08/1983 | US4413955 Swash plate compressor |
| 11/08/1983 | US4413951 Capacity control arrangement for fixed speed compressor |
| 11/08/1983 | US4413778 Antique lawn pump mobile |
| 11/08/1983 | US4413548 Hydraulic motor with adjustable flow volume |
| 11/08/1983 | US4413472 High-pressure pump with pressure regulator |
| 11/02/1983 | EP0092751A1 Compressor unit for heat pump equipment |
| 11/01/1983 | US4413218 Automatic load seeking control for a multitorque motor |
| 11/01/1983 | US4412789 Oil pump unit |
| 11/01/1983 | US4412788 Control system for screw compressor |
| 10/26/1983 | EP0091994A1 Apparatus for generating gas under pressure |
| 10/25/1983 | US4411141 Parallel operation compressor type refrigerating apparatus |
| 10/25/1983 | CA1155949A1 Electronic intermitter |
| 10/19/1983 | EP0091569A2 Output regulator for a hydrostatic pump |
| 10/18/1983 | US4410299 Compressor having functions of discharge interruption and discharge control of pressurized gas |
| 10/18/1983 | CA1155369A1 Hydraulic power pack |
| 10/11/1983 | USPP5120 Rose plant 72-12551 |
| 10/11/1983 | US4408963 Power steering pump |
| 10/11/1983 | US4408453 Hydraulic control system |
| 10/05/1983 | EP0090760A2 Method and apparatus for controlling the operation of a compressor crankcase heater |
| 10/04/1983 | US4407640 Reciprocating pump having unique pressure control valve construction |
| 10/04/1983 | US4407639 Compressor |
| 10/04/1983 | US4407139 Method for controlling an air conditioning system |
| 10/04/1983 | CA1154731A1 Vacuum pump switch |
| 09/27/1983 | US4406951 Hydraulic pump drive system for an automotive vehicle |
| 09/27/1983 | US4406589 Compressor |
| 09/27/1983 | US4406588 Compressor suction regulator |
| 09/27/1983 | CA1154353A1 Crane swing control |
| 09/21/1983 | EP0089112A1 Variable displacement compressor |
| 09/20/1983 | US4405292 Pneumatically controlled rate pump |
| 09/20/1983 | US4405288 Variable displacement hydraulic pump and controls therefor |
| 09/20/1983 | US4405287 Regulating devices for a plurality of pumps driven by a common source |
| 09/13/1983 | US4403924 Method and device for regulating the output of diaphragm pumps |
| 09/13/1983 | US4403921 Multi-cylinder variable delivery compressor |
| 09/13/1983 | US4403920 Device for regulating the output quantity of a compressed medium |
| 09/07/1983 | EP0087838A1 Capacity control valve for a compressor |
| 09/07/1983 | EP0087773A1 Variable displacement pump control system and a valve for such system |
| 08/30/1983 | US4401413 Air compressor switch device |
| 08/24/1983 | EP0086276A1 Device for maintaining the product of the delivery pressure and delivery rate of an adjustable pump at a constant level |
| 08/16/1983 | US4398869 Control means for variable displacement pump |
| 08/16/1983 | CA1152192A1 Electronic constant speed control for a hydrostatic transmission |
| 08/16/1983 | CA1152185A1 Method and apparatus for transport refrigeration system control |
| 08/10/1983 | EP0085285A1 Compressor drive system |
| 08/10/1983 | EP0085247A1 A control device for a compressor in a refrigerating system |
| 08/10/1983 | EP0085246A1 A control circuit for a variable displacement air conditioning compressor |
| 08/09/1983 | US4397610 Reciprocable pump with variable speed drive |
| 08/02/1983 | US4396345 Unloader valve having bypass valving means |
| 08/02/1983 | CA1151265A1 Compressor motor unit and a method of troubleshooting power supply circuits therefor |
| 07/27/1983 | EP0084070A1 Pressure equalization pumping system |
| 07/26/1983 | US4395203 Vane compressor having a discharge rate control |
| 07/26/1983 | US4395199 Control method of a system of internal combustion engine and hydraulic pump |
| 07/26/1983 | CA1150802A1 Personal sampling pump |
| 07/26/1983 | CA1150590A1 Flow and pressure compensated valves and pump circuits incorporating the same |
| 07/19/1983 | USRE31315 Apparatus for converting a pump to a controller |
| 07/19/1983 | US4393966 Operation control apparatus of a compressor |
| 07/13/1983 | EP0083491A1 Gerotor pumps |
| 07/12/1983 | US4392782 Liquid level controller |
| 07/07/1983 | WO1983002304A1 Pump control with fluid responsive standby pressure |
| 07/05/1983 | US4391569 Positive displacement pump systems |
| 06/28/1983 | US4390324 Pressure release valve for pumps |
| 06/28/1983 | CA1148791A1 Combined lift and metering pump |
| 06/22/1983 | EP0081711A1 Control device for a compressor |
| 06/21/1983 | US4389168 Apparatus for modulating the capacity of a reciprocating compressor |
| 06/21/1983 | US4389167 Pump having membrane actuated control valve to unload slave actuated inlet valve |
| 06/21/1983 | US4389164 Automatic liquid level controller |
| 06/15/1983 | EP0081076A1 A refrigerant compressor with mechanism for adjusting the capacity of the compressor |
| 06/14/1983 | US4388052 Fixed displacement pump with variable capacitance flow regulator |
| 06/14/1983 | US4388048 Stepping type unloading system for helical screw rotary compressor |
| 06/14/1983 | US4388046 Rotary compressors |
| 06/14/1983 | US4388044 Water storage tank |
| 06/14/1983 | US4388043 Conductivity dependent pump and process control |