Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981) |
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09/18/1979 | CA1062483A1 Cooling system for hermetic compressor |
08/22/1979 | EP0003572A1 Sliding vane pump |
08/14/1979 | US4164384 Rotary vane vacuum pump with filter means for inlet |
06/28/1979 | WO1979000364A1 Valve |
06/12/1979 | CA1056355A1 Method and device for driving liquid from a liquid separator |
06/05/1979 | US4157234 Scroll-type two stage positive fluid displacement apparatus |
05/08/1979 | US4153395 Compressors |
05/08/1979 | CA1054114A1 Rotary compressor |
05/01/1979 | US4152100 Rotary piston compressor having pistons rotating in the same direction |
04/24/1979 | US4150926 Rotary piston compressor with transfer flow pockets in housing |
04/17/1979 | US4149834 Delivery valve, especially for rotary piston compressors |
04/17/1979 | CA1052588A1 Method and means for cooling the oil in a system including a compressor with oil supply, as well as such systems |
04/10/1979 | CA1052112A1 Combination motor cooler and storage coil for heat pump |
04/10/1979 | CA1052111A1 Combination motor cooler and storage coil for heat pump |
03/13/1979 | US4144002 Rotary compressor |
03/06/1979 | US4142765 Rotor bearing assembly for rotary gas machine |
02/27/1979 | US4141677 Scroll-type two stage positive fluid-displacement apparatus with intercooler |
02/06/1979 | CA1047933A1 System for liquid cooling of a rotor of a rotary mechanism |
01/23/1979 | US4135865 Rotary vane compressor with outlet check valve for start-up pressure on lubricant system |
01/10/1979 | EP0000131A1 Process and apparatus for the lubrication of compressors |
11/28/1978 | US4127369 Pressure valve for a rotary piston compressor |
10/31/1978 | US4123203 Multistage helical screw compressor with liquid injection |
10/24/1978 | CA1041024A1 Oil separator |
10/03/1978 | US4118157 Rotary compressor |
09/12/1978 | US4112701 Method and means for cooling the oil in a system including a compressor with oil supply, as well as such systems |
08/15/1978 | US4106304 Thermodynamic compressor |
08/08/1978 | US4105375 Rotary piston compressor |
07/11/1978 | US4099896 Rotary compressor |
07/04/1978 | US4098487 Device for controlling oil injection to a screw compressor |
05/30/1978 | US4091638 Cooling system for hermetic compressor |
05/09/1978 | US4088428 Discharge valve assembly for a compressor |
05/09/1978 | US4088426 Sliding vane type of compressor-expander having differential eccentricity feature |
04/25/1978 | US4086041 Rotary compressor comprising improved rotor lubrication system |
04/25/1978 | US4086040 Rotary compressor comprising improved rotor lubrication system |
04/11/1978 | US4083658 Liquid ring compressor including a calibrated gas input opening |
03/21/1978 | US4080119 Method and device for draining oil from the gear case of a compressor |
03/07/1978 | US4077751 End housing clamps for rotary mechanisms |
02/28/1978 | US4076461 Feedback control system for helical screw rotary compressors |
02/14/1978 | US4073607 Gas compressor system |
02/07/1978 | US4072451 Power transmission |
01/31/1978 | US4071306 Rotary vane compressor with relief means for vane slots |
01/24/1978 | US4070166 Method and device for driving liquid from a liquid separator |
01/17/1978 | US4068987 Pneumatic motor with muffled exhaust |
01/17/1978 | US4068981 Blade-type rotary compressor with full unloading and oil sealed interfaces |
12/20/1977 | US4063855 Compressor capacity and lubrication control system |
12/13/1977 | US4062199 Refrigerating apparatus |
11/15/1977 | US4058361 Refrigerant compressor having indirect outlet connection |
10/18/1977 | US4054401 Vacuum pump with lubricant control system to interrupt lubricant flow upon loss of pump pressure |
09/27/1977 | US4050855 Dry air rotary pump or compressor |
09/20/1977 | US4049410 Gas compressors |
09/20/1977 | US4049401 Apparatus for separating suspensions of liquids in gas |
09/06/1977 | US4045975 Combination motor cooler and storage coil for heat pump |
09/06/1977 | US4045974 Combination motor cooler and storage coil for heat pump |
08/30/1977 | USRE29378 Leakage prevention |
07/12/1977 | US4035114 Method for reducing power consumption in a liquid-cooled rotary compressor by treating the liquid |
05/24/1977 | US4025244 Rotary compressor of liquid-cooled type provided with means for adjusting amount of liquid and volume of gas |
05/24/1977 | US4025242 Vacuum pump oiling |
05/03/1977 | US4020642 Compression systems and compressors |
03/08/1977 | US4011032 System for liquid cooling of a rotor or a rotary mechanism |
02/08/1977 | US4006602 Refrigeration apparatus and method |
01/25/1977 | US4004864 Method for modifying a compressing apparatus unit |
12/21/1976 | US3998243 Flapper valve for a rotary compressor |
11/02/1976 | US3989490 Oil separator, especially for a cooling medium compressor |
10/26/1976 | US3988080 Rotary vane compressor with outlet pressure biased lubricant |
10/19/1976 | US3986799 Fluid-cooled, scroll-type, positive fluid displacement apparatus |
08/31/1976 | US3977816 Mechanically driven compressor for air conditioning devices, particularly in vehicles |
08/17/1976 | US3975123 Shaft seals for a screw compressor |
08/10/1976 | US3973881 Vane-type pump or motor with undervane fluid bias |
07/06/1976 | US3967466 Air conditioning system having super-saturation for reduced driving requirement |
05/11/1976 | US3955905 Sliding-vane pump |
03/30/1976 | US3947078 Rotary screw machine with rotor thrust load balancing |
03/23/1976 | US3945464 Oil-injection-type rotary compressor having a centrifugal water separator |
03/23/1976 | US3945220 Injection cooling arrangement for rotary compressor |
03/23/1976 | US3945219 Method of and apparatus for preventing overheating of electrical motors for compressors |
03/23/1976 | US3945216 Refrigeration systems |
03/02/1976 | US3941522 Modified rotary compressor yielding sinusoidal pressure wave outputs |
03/02/1976 | US3941520 Method and device for injection of liquid |
02/03/1976 | US3936249 Rotary compressor of oil cooling type with appropriate oil discharge circuit |
02/03/1976 | US3936238 Rotary compressors |
01/13/1976 | US3931718 Refrigerant screw compression with liquid refrigerant injection |
01/06/1976 | US3930902 Nitrified sintered alloy |