| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
|---|
| 08/21/1979 | US4165209 External axle rotary piston machine |
| 07/31/1979 | US4162854 Multi-shaft screw extruder |
| 07/24/1979 | CA1058964A1 Spherical piston machine |
| 07/17/1979 | CA1058446A1 Plate with passages for fluid rotative machines |
| 07/10/1979 | CA1058129A1 Control system for variable capacity gas compressor |
| 07/10/1979 | CA1057966A1 Air source heat pump with multiple slide rotary screw compressor/expander |
| 06/26/1979 | CA1057252A1 Screw rotor machine |
| 06/05/1979 | US4157234 Scroll-type two stage positive fluid displacement apparatus |
| 05/29/1979 | CA1055311A1 Rotary machine |
| 05/15/1979 | US4154560 Endless belt pump |
| 05/08/1979 | CA1054114A1 Rotary compressor |
| 05/01/1979 | US4152100 Rotary piston compressor having pistons rotating in the same direction |
| 05/01/1979 | CA1053508A1 Vanes for fluid power converter |
| 04/24/1979 | US4150926 Rotary piston compressor with transfer flow pockets in housing |
| 04/17/1979 | US4149834 Delivery valve, especially for rotary piston compressors |
| 04/10/1979 | US4148436 Solar augmented heat pump system with automatic staging reciprocating compressor |
| 04/03/1979 | US4147475 Control system for helical screw compressor |
| 04/03/1979 | CA1051845A1 Rotary compressor |
| 04/03/1979 | CA1051844A1 Scroll member and scroll-type apparatus incorporating the same |
| 04/03/1979 | CA1051843A1 Axial compliance means with radial sealing for scroll-type apparatus |
| 03/27/1979 | CA1051399A1 Method for improving the efficiency of helical screw type compressors |
| 03/13/1979 | US4144005 Rotary through vane 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 | US4137798 Two-speed drive apparatus |
| 01/30/1979 | US4137019 Rotary piston machine |
| 01/30/1979 | US4137018 Rotary vane variable capacity compressor |
| 01/30/1979 | CA1047463A1 Control system for helical screw compressor |
| 01/30/1979 | CA1047267A1 Refrigeration apparatus |
| 01/10/1979 | EP0000131A1 Process and apparatus for the lubrication of compressors |
| 01/09/1979 | CA1046031A1 Screw compressor control means |
| 12/26/1978 | CA1045095A1 Rotary vane compressor with vane extension means |
| 12/05/1978 | CA1043753A1 Positive displacement machine for compressible media |
| 11/07/1978 | CA1041835A1 Axial thrust adjustment for dual screw-type pump |
| 10/31/1978 | US4123201 Modular vacuum pump assembly |
| 10/24/1978 | US4121438 Coupling member for orbiting machinery |
| 10/17/1978 | CA1040540A1 Rotary engines, compressors and vacuum pumps |
| 10/17/1978 | CA1040445A1 Heat pump with high efficiency reversible helical screw rotary compressor |
| 10/10/1978 | US4119392 Screw compressor with axially displaceable motor |
| 10/10/1978 | CA1040168A1 Fluid rotative machine with variable displacement |
| 10/10/1978 | CA1040167A1 Fluid rotating machines with spiral-like passages and vane wheels |
| 10/10/1978 | CA1040166A1 Rotative machines for fluids with spiral-like passages and vane wheels |
| 10/03/1978 | US4118158 Rotary piston compressor |
| 10/03/1978 | US4118157 Rotary compressor |
| 09/19/1978 | CA1038836A1 Floating chamber machine |
| 08/22/1978 | US4108618 Anti-foam chamber for screw compressor oil separator |
| 08/15/1978 | US4106169 Seal lubrication in a rotary engine |
| 08/08/1978 | US4105378 Sealing arrangement |
| 08/08/1978 | US4105375 Rotary piston compressor |
| 08/01/1978 | US4103506 Method and arrangement for controlling the operation of a cooling system in an automotive vehicle |
| 07/18/1978 | US4101248 Rotary gas expansion motor |
| 07/11/1978 | US4099896 Rotary compressor |
| 07/04/1978 | US4098487 Device for controlling oil injection to a screw compressor |
| 05/16/1978 | US4089625 Rotary gas machine |
| 05/09/1978 | USRE29627 Rotary compressor |
| 04/25/1978 | US4086072 Air source heat pump with multiple slide rotary screw compressor/expander |
| 04/25/1978 | US4086042 Rotary compressor and vane assembly therefor |
| 04/25/1978 | US4086039 Orbital machine with cooperating lobe and recess guide means |
| 04/04/1978 | US4082484 Scroll-type apparatus with fixed throw crank drive mechanism |
| 03/21/1978 | US4080122 Displacement pump, especially cell pump, for compressing gaseous media |
| 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 | US4076469 Rotary compressor |
| 02/28/1978 | US4076468 Multi-stage screw compressor interconnected via communication channel in common end plate |
| 02/28/1978 | US4076461 Feedback control system for helical screw rotary compressors |
| 02/21/1978 | US4074957 Screw compressors |
| 02/14/1978 | US4073608 Positive displacement vane type rotary pump |
| 02/07/1978 | US4072451 Power transmission |
| 01/17/1978 | US4068984 Multi-stage screw-compressor with different tooth profiles |
| 12/27/1977 | US4065279 Scroll-type apparatus with hydrodynamic thrust bearing |
| 12/06/1977 | US4061449 Fluid rotating machines with spiral-like passages and vane wheels |
| 11/29/1977 | US4060342 Vane assembly for rotary compressor |
| 11/22/1977 | US4059368 Gas compressor unloading means |
| 11/22/1977 | US4058988 Heat pump system with high efficiency reversible helical screw rotary compressor |
| 11/01/1977 | US4056336 Apex seals for slant axis rotary mechanisms |
| 10/04/1977 | US4052135 Control system for helical screw compressor |
| 10/04/1977 | US4051893 Air curtain-projecting ventilator |
| 09/27/1977 | US4050855 Dry air rotary pump or compressor |
| 08/23/1977 | US4043704 Double-acting rotary expansible chamber pump adaptable to series or parallel operation |
| 08/16/1977 | US4042310 Screw compressor control means |
| 07/19/1977 | US4036567 Globoid worm type rotary machine |
| 07/19/1977 | US4036540 Screw extruder housing |
| 07/05/1977 | US4033708 Rotary compressor |
| 06/28/1977 | US4032270 Rotary vane compressor with improved vane extension means |
| 06/28/1977 | US4032269 Rotary vane compressor with vane extension means of improved design |
| 06/07/1977 | US4028026 Screw compressor with involute profiled teeth |
| 06/07/1977 | US4028025 Screw pump |
| 06/07/1977 | US4028023 Fluid operable rotary piston device |
| 06/07/1977 | US4028020 Oil seal for a rotary engine |
| 06/07/1977 | US4028016 Rotary displacement compressor with capacity control |
| 05/31/1977 | US4026662 Bearings for slant axis rotary mechanisms |
| 05/24/1977 | US4025244 Rotary compressor of liquid-cooled type provided with means for adjusting amount of liquid and volume of gas |
| 05/10/1977 | US4022553 Rotary piston compressor with inlet and discharge through the pistons which rotate in the same direction |
| 05/03/1977 | US4021166 Rotary vane compressor with increased outlet through-flow area |
| 05/03/1977 | US4021165 Rotative machine for fluids with spiral-like passages and vane wheels |
| 05/03/1977 | US4021159 Housing formation for a rotary piston machine of trochoidal construction with an outer envelope curve |
| 05/03/1977 | US4021158 Spherical piston machine |
| 05/03/1977 | US4020642 Compression systems and compressors |
| 04/26/1977 | US4019840 Positive displacement vane type rotary pump |
| 04/19/1977 | US4018548 Rotary trochoidal compressor |