| Patents for F01C 3 - Rotary-piston machines or engines with non-parallel axes of movement of co-operating members (679) |
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| 08/23/1983 | CA1152468A1 Machine for expansion or compression of gases or vapours |
| 07/05/1983 | US4391574 Rotary positive displacement mechanism |
| 05/24/1983 | US4384833 Rotary machine of canted vane type having centering ball |
| 02/15/1983 | US4373866 Process to control the delivery of a single screw compressor |
| 10/19/1982 | US4354807 Compressor-expander of the vane type having canted vane cavity |
| 03/23/1982 | US4321022 Inter-engaging threaded rotor and pinion machine with multi-edged pinion tooth flanks |
| 09/15/1981 | CA1109038A1 Compressor-expander of the vane type having canted vane cavity |
| 08/25/1981 | US4285644 Expansion or compression machine with interengaging members rotating on perpendicular axes |
| 07/01/1981 | EP0031002A1 Rotary machine with two non-parallel axes in respect of one another |
| 06/23/1981 | US4274814 Rotative machine for fluids |
| 06/02/1981 | CA1102179A1 Rotative machine for fluids |
| 05/19/1981 | CA1101390A1 Thread construction for rotary worm compressor- expansion machines |
| 04/14/1981 | US4261691 Rotary screw machine with two intermeshing gate rotors and two independently controlled gate regulating valves |
| 02/10/1981 | US4249492 Constant torque rotary engine |
| 01/07/1981 | EP0021765A1 A rotary fluid machine, such as an engine, a pump, a compressor, a brake |
| 01/07/1981 | EP0021764A1 A rotary fluid machine, such as an engine, a pump, a compressor, a brake |
| 01/07/1981 | EP0021763A1 A rotary fluid machine, such as an engine, a pump, a compressor, a brake |
| 12/16/1980 | US4239469 Seals for a rotary machine |
| 09/18/1980 | WO1980001935A1 Rotary-piston machine |
| 09/09/1980 | USRE30400 Globoid-worm compressors |
| 04/02/1980 | EP0009047A1 Machine for expansion or compression of gases or vapours |
| 03/04/1980 | US4191032 Rotary energy-transmitting mechanism |
| 01/22/1980 | US4184813 Fluid rotating machine with multiple displacement |
| 12/18/1979 | US4179250 Thread construction for rotary worm compression-expansion machines |
| 11/15/1979 | WO1979000919A1 Tapered seal for engines or the like |
| 09/18/1979 | US4167933 Engine system |
| 09/06/1979 | WO1979000652A1 Machine for expansion or compression of gases or vapours |
| 07/24/1979 | CA1058964A1 Spherical piston machine |
| 07/17/1979 | CA1058446A1 Plate with passages for fluid rotative machines |
| 04/17/1979 | US4149835 Temperature responsive seal lubrication for rotary mechanisms |
| 03/20/1979 | US4144865 Fluid displacement apparatus |
| 03/20/1979 | CA1050820A1 Fluid rotation machine with multiple displacement |
| 01/02/1979 | US4132213 Rotary engine |
| 11/14/1978 | US4125030 Slant axis rotary mechanism |
| 11/07/1978 | US4124060 Rotor |
| 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 |
| 09/19/1978 | CA1038836A1 Floating chamber machine |
| 08/15/1978 | US4106169 Seal lubrication in a rotary engine |
| 08/08/1978 | US4105378 Sealing arrangement |
| 05/23/1978 | US4090825 Plate with passages for fluid rotative machines |
| 02/21/1978 | US4074957 Screw compressors |
| 12/06/1977 | US4061449 Fluid rotating machines with spiral-like passages and vane wheels |
| 11/01/1977 | US4056336 Apex seals for slant axis rotary mechanisms |
| 10/18/1977 | US4054400 Engine port bridging |
| 09/13/1977 | US4047855 Rotary mechanism with improved cooling |
| 07/19/1977 | US4036567 Globoid worm type rotary machine |
| 07/19/1977 | US4036566 Fluid displacement apparatus |
| 06/14/1977 | US4029444 Sealing bolt seat for rotary piston machine |
| 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 |
| 05/03/1977 | US4021165 Rotative machine for fluids with spiral-like passages and vane wheels |
| 05/03/1977 | US4021158 Spherical piston machine |
| 03/22/1977 | US4013046 Rotary engine |
| 03/08/1977 | US4011031 Rotor constructions for slant axis rotary mechanisms |
| 02/22/1977 | US4008989 Bolt seal for rotary piston machine |
| 02/15/1977 | US4008014 Piston seals for rotary mechanisms |
| 02/15/1977 | US4008013 Fluid rotative machine with variable displacement |
| 02/01/1977 | US4005950 Bearings for slant axis rotary mechanisms |
| 02/01/1977 | US4005682 Rotary internal combustion engine |
| 01/18/1977 | US4003348 Rotary internal combustion engine |
| 12/28/1976 | US3999903 Combination thrust and journal bearing |
| 12/28/1976 | US3999902 Slant axis rotary mechanism with relieved apex portions |
| 11/30/1976 | US3994640 Spherical rotary steam engine |
| 11/02/1976 | US3989421 Housing construction for slant axis rotary mechanism |
| 10/26/1976 | US3988078 Seals for rotary engines |
| 09/28/1976 | US3982861 Rotor construction for slant axis rotary mechanisms |
| 09/28/1976 | US3982860 Thrust bearings for slant axis rotary mechanisms |
| 09/21/1976 | US3981640 Slant axis rotary mechanism |
| 08/10/1976 | US3973469 Floating chamber machine |
| 08/03/1976 | US3972658 Housing for slant axis rotary mechanism |
| 08/03/1976 | US3972657 Slant axis rotary mechanism |
| 03/30/1976 | US3947164 Rotatable machine operating as a compressor or a motor |
| 03/23/1976 | US3945778 Compressors and expansion machines of the single worm type |
| 03/09/1976 | US3942384 Swashplate machines |
| 01/27/1976 | US3934559 Anti-pollutant spherical rotary engine with automatic supercharger |
| 01/13/1976 | US3932077 Rotary interengaging worm and worm wheel with specific tooth shape |