| Patents for F03C 2 - Rotary-piston engines (2,448) |
|---|
| 07/12/1983 | US4392798 Gear pump or motor with low pressure bearing lubrication |
| 06/28/1983 | US4390329 Rotary fluid pressure device and valve-seating mechanism therefor |
| 06/22/1983 | EP0081902A1 A gear pump or motor |
| 06/15/1983 | EP0081293A1 A tooth top sealing mechanism for a gear pump or motor |
| 06/07/1983 | US4386894 Hybrid high pressure hydraulic turbine |
| 06/07/1983 | US4386893 Gear pump or motor with a shaftless gear |
| 03/15/1983 | US4376620 Seawater hydraulic vane-type motor |
| 03/15/1983 | CA1142794A1 Rotary pumps and motors |
| 02/01/1983 | CA1140355A1 Planetary mechanism |
| 01/25/1983 | CA1139993A1 Rotary piston machine for liquids |
| 01/12/1983 | EP0069604A1 Hydraulic pumps or motors with helicoidal gears (screw turbines) |
| 01/05/1983 | EP0068355A1 Rotor and method of making same |
| 01/05/1983 | EP0068354A1 A fluid pump or motor of the sliding vane type |
| 12/07/1982 | US4362481 Rotary vane machine with rings radially constraining the vanes |
| 12/07/1982 | US4362479 Rotary fluid pressure device and lubrication circuit therefor |
| 11/10/1982 | EP0064239A1 Gear pump or motor |
| 11/02/1982 | US4357133 Rotary gerotor hydraulic device with fluid control passageways through the rotor |
| 10/20/1982 | EP0062747A2 Hydraulic gear motor |
| 10/13/1982 | EP0062405A1 Gear pump or motor with low pressure bearing lubrication |
| 09/29/1982 | EP0061293A1 Rotary fluid pressure device and lubrication circuit therefor |
| 09/14/1982 | CA1131500A1 Hydraulic gerotor motor with balancing grooves and seal pressure relief |
| 08/10/1982 | US4343601 Fluid pressure device and shuttle valve assembly therefor |
| 08/10/1982 | US4343600 Fluid pressure operated pump or motor with secondary valve means for minimum and maximum volume chambers |
| 06/23/1982 | EP0054161A2 Gerotor gear set device with integral rotor and commutator |
| 06/15/1982 | US4334843 Gerotor machine with valve plates attached to wheel gear |
| 06/09/1982 | EP0053544A1 Hydraulic motor and hydrostatic power transmission employing this motor |
| 04/01/1982 | WO1982001030A1 Planetary hydromotor |
| 02/24/1982 | EP0046293A2 Rotary fluid pressure device and valve-seating mechanism therefor |
| 01/21/1982 | WO1982000173A1 Planetary hydromotor |
| 01/20/1982 | EP0043899A1 Annular gear pump |
| 12/08/1981 | CA1113919A1 Down-hole mud motor |
| 11/03/1981 | US4298318 Rotary valve for fluid motor or pump |
| 09/29/1981 | US4292013 Rotary impeller or motor with pressure balanced end plates |
| 08/12/1981 | EP0033544A2 Internal-axis gear-type fluid machine with distribution means |
| 06/23/1981 | US4274814 Rotative machine for fluids |
| 06/02/1981 | CA1102179A1 Rotative machine for fluids |
| 04/28/1981 | CA1099989A1 Angular compression expansion cylinder with radial pistons |
| 03/17/1981 | US4256443 Rotary vane-type engine throttle channels communicating between adjacent working spaces |
| 03/03/1981 | US4253806 Low speed hydraulic motor with counter balanced planetating drive ring and spring biased vanes |
| 01/27/1981 | US4247268 Rotary vane machine with radial vane constraining members |
| 10/15/1980 | EP0016754A1 Hydraulic pressure motor with low speed and high torque |
| 09/18/1980 | WO1980001936A1 Planetary gear mechanism |
| 09/16/1980 | US4222718 Linear motion thrust block for hydraulic pumps and motors |
| 09/09/1980 | USRE30400 Globoid-worm compressors |
| 09/09/1980 | US4221552 Hydraulic motor with variable speed |
| 07/08/1980 | CA1081043A1 High-pressure rotary fluid-displacing machine |
| 05/20/1980 | CA1077780A1 Method for sealing off in the radial direction a volume of fluid bound between a stator and a rotor and an arrangement for carrying out said method |
| 05/06/1980 | US4201526 Pivoted blade between rotor and stator having arcuate sections |
| 04/16/1980 | EP0009479A1 Hydraulic motor with vanes and constant displacement |
| 03/18/1980 | CA1073742A1 Gerotor gearset device |
| 03/18/1980 | CA1073741A1 Fluid-cooled, scroll-type, positive fluid displacement apparatus |
| 03/04/1980 | CA1072818A1 Rotor for hydraulic pump or motor |
| 02/05/1980 | CA1071024A1 Power transmission |
| 02/05/1980 | CA1071023A1 Fluid pressure device |
| 01/29/1980 | CA1070577A1 Pulse motor nutrunner |
| 01/22/1980 | US4184813 Fluid rotating machine with multiple displacement |
| 01/22/1980 | CA1070133A1 Coupling member for orbiting machinery |
| 12/18/1979 | CA1068162A1 Seal for hydraulic pumps and motors |
| 12/04/1979 | US4177025 High-pressure rotary fluid-displacing machine |
| 10/23/1979 | US4171938 Fluid pressure operated pump or motor |
| 08/21/1979 | US4165209 External axle rotary piston machine |
| 08/21/1979 | US4165203 Pressurized medium powered device |
| 07/24/1979 | CA1058964A1 Spherical piston machine |
| 07/17/1979 | CA1058446A1 Plate with passages for fluid rotative machines |
| 06/26/1979 | CA1057120A1 Versatile fluid motor and pump |
| 06/19/1979 | CA1056648A1 Rotor-stator gear set |
| 05/29/1979 | CA1055311A1 Rotary machine |
| 05/17/1979 | WO1979000264A1 Hydraulic pressure motor with low speed and high torque |
| 05/17/1979 | WO1979000263A1 Hydraulic motor with vanes and constant displacement |
| 05/01/1979 | CA1053508A1 Vanes for fluid power converter |
| 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 | CA1051266A1 Rotary fluid displacement device |
| 03/27/1979 | CA1051265A1 Support means for floating rotary ring member |
| 03/20/1979 | CA1050820A1 Fluid rotation machine with multiple displacement |
| 02/13/1979 | CA1048344A1 Hydraulic device |
| 01/30/1979 | CA1047315A1 Hydraulic motor with orbiting drive member |
| 01/30/1979 | CA1047313A1 Rotary fluid motor |
| 01/02/1979 | US4132514 High pressure hydraulic gear pump or motor |
| 12/26/1978 | US4131400 Hydraulic rotary screw machine with axial balancing piston |
| 11/21/1978 | CA1042718A1 Hydraulic motor or pump |
| 10/24/1978 | US4121438 Coupling member for orbiting machinery |
| 10/17/1978 | CA1040510A1 Hydraulic motor brake |
| 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 |
| 09/26/1978 | CA1039110A1 Inlet and outlet ports and sealing means for a fluid driven motor |
| 09/19/1978 | CA1038836A1 Floating chamber machine |
| 08/15/1978 | US4106883 Distributing valve on a hydraulic rotary piston engine |
| 08/08/1978 | US4105376 Rotor for hydraulic pump or motor |
| 07/25/1978 | US4102614 Machines for generating motion |
| 05/02/1978 | US4087215 Gerotor gearset device |
| 04/25/1978 | US4086039 Orbital machine with cooperating lobe and recess guide means |
| 04/18/1978 | US4084487 Pulse motor in a nut runner |
| 04/04/1978 | US4082480 Fluid pressure device and improved Geroler® for use therein |
| 03/14/1978 | US4078526 Rotary piston engine |
| 02/07/1978 | US4072451 Power transmission |
| 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 | US4059165 Versatile fluid motor and pump |
| 11/08/1977 | US4057222 Concrete vibrator |