Patents for F01C 19 - Sealing arrangements in rotary-piston machines or engines (1,301)
03/1982
03/16/1982US4319867 End-face seal for rotary internal-combustion engine
03/04/1982WO1982000681A1 Machine capable of working as an engine,a compressor or a pump
03/03/1982EP0046586A2 Internal combustion engine
03/02/1982US4317648 Apex seal for rotary piston engines with separate sealing and support pieces
01/1982
01/19/1982US4311442 Rotary piston machine with alternating pistons and sealings therefor
12/1981
12/29/1981US4308002 Wankel-type engine with semi-circular sectional configuration for chamber end surface
12/16/1981EP0041802A1 Scroll type fluid displacement apparatus
12/15/1981US4305596 Joint seal on the rotor drive of an eccentric screw machine
10/1981
10/27/1981US4297090 Rotary expansion power unit with valve disc connected to crankshaft
10/27/1981US4296936 Seal mechanism for the rotor periphery of a rotary piston engine
10/07/1981EP0037206A2 A thermodynamic rotary engine
08/1981
08/25/1981US4285643 Rotary fluid pressure device
08/06/1981WO1981002183A1 Slant axis rotary piston mechanism
08/05/1981EP0033026A2 Slant axis rotary piston machine
07/1981
07/14/1981US4278410 Rotatable pneumatic gear motor having a deformable adjustable sealed chamber
06/1981
06/23/1981US4274815 Rotary combustion engine of trochoid design with oil return groove
06/09/1981CA1102622A1 Sealing system for a rotary machine
04/1981
04/30/1981WO1981001169A1 Rotary expansion power unit
04/28/1981US4264288 Gerotor machine with flow control recesses in the inner gear member
04/07/1981CA1098832A1 1-beam apex seal
02/1981
02/11/1981EP0023529A2 Rotary piston machine of the external axis type
01/1981
01/20/1981US4245597 Split cycle heat engines
01/07/1981EP0022103A1 A rotary vane machine
01/06/1981US4243233 Seal ring having a tapered surface, and a sealing device
12/1980
12/16/1980US4239469 Seals for a rotary machine
12/09/1980CA1091201A1 Rotary engine with separable abutment and adjustable valve cam
11/1980
11/11/1980US4233004 Seal for an eccentric-rotor machine
10/1980
10/14/1980CA1087646A1 Sealing member for orbital or rotary motors
09/1980
09/30/1980US4225295 Gas seal means for rotary piston engines
09/30/1980US4225294 Oil seal means for rotary piston engines including a nitrided and ground surface
09/16/1980US4222720 Corner seal means for rotary piston engines
08/1980
08/26/1980US4219315 Sealing member for orbital or rotary motors
07/1980
07/15/1980US4212602 Chromium or chromium alloy
07/15/1980US4212473 Multiple seal ring having a tapered surface, and a sealing device
06/1980
06/25/1980EP0012364A1 Sealing for rotary piston machines
05/1980
05/20/1980CA1077780A1 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
05/06/1980US4201526 Pivoted blade between rotor and stator having arcuate sections
04/1980
04/22/1980US4199308 Axial compliance/sealing means for improved radial sealing for scroll apparatus and scroll apparatus incorporating the same
03/1980
03/04/1980US4191515 Sealing system for a rotary machine
02/1980
02/05/1980CA1071024A1 Power transmission
01/1980
01/23/1980EP0006915A1 Rotary pistons machine
01/01/1980US4181478 Seal life in rotary mechanisms
01/01/1980US4180983 Device for preventing leakages of working fluid from a heat engine
12/1979
12/18/1979CA1068162A1 Seal for hydraulic pumps and motors
11/1979
11/15/1979WO1979000919A1 Tapered seal for engines or the like
10/1979
10/04/1979WO1979000741A1 Improving seal life in rotary mechanisms
09/1979
09/25/1979US4168941 Rotary vane machine with roller seals for the vanes
09/11/1979US4167375 Power-converting device
09/11/1979CA1062164A1 Spacer-spring for rotary piston engines
09/04/1979CA1061719A1 Rotary piston engine piston having an internal seal
08/1979
08/21/1979US4165203 Pressurized medium powered device
08/21/1979CA1060801A1 Apex seal assembly
08/21/1979CA1060708A1 Fluid driven motor having improved blade construction
06/1979
06/12/1979CA1056307A1 Oil seal construction for rotary mechanisms
05/1979
05/29/1979US4156586 Seal for rotary fluid-handling apparatus
05/22/1979US4155685 Gas seal arrangement between rotor and housing
05/15/1979US4154208 Rotary engine
05/08/1979US4153477 Engine seals and rings, quenching
05/08/1979CA1054065A1 Rotary engine rotor and oil seal configuration
04/1979
04/05/1979WO1979000157A1 Rotary pistons machine
04/03/1979CA1051844A1 Scroll member and scroll-type apparatus incorporating the same
04/03/1979CA1051843A1 Axial compliance means with radial sealing for scroll-type apparatus
03/1979
03/27/1979CA1051265A1 Support means for floating rotary ring member
03/13/1979US4144003 Bar type seal for rotary mechanism
03/13/1979CA1050433A1 Seal grid for a rotary internal combustion engine
02/1979
02/06/1979US4138124 Corner seal for rotary piston engines
01/1979
01/16/1979CA1046251A1 Loading device for installation of rotary engine oil sealing rings
01/02/1979US4132419 Oil seal ring for rotary piston engines
12/1978
12/12/1978CA1044147A1 Rotary internal combustion engine
12/12/1978CA1044145A1 Pressure lubrication to apex corner seal
11/1978
11/14/1978US4125399 Apex seals for rotary piston engines
10/1978
10/31/1978CA1041472A1 Apex seal composition for rotary engines
10/17/1978US4120622 Static oil seal assembly
10/10/1978CA1039981A1 Copper base alloy for apex seal material
09/1978
09/26/1978US4116593 Lubricant metering system for rotary piston mechanism
09/05/1978US4111618 Hydraulic wheel ii
08/1978
08/15/1978US4106780 Seal carrier for rotary piston engine
08/15/1978CA1036563A1 Rotary compressor with labyrinth sealing
08/08/1978US4105378 Sealing arrangement
08/01/1978US4104011 I-Beam apex seal
07/1978
07/25/1978US4102617 Oil seal means in a rotary piston engine
07/18/1978US4101319 Mixture of molybdenum or tungsten with a metal alloy or compound of phosphorus, boron or silicon
07/18/1978US4100664 Apex seal for rotary engines
05/1978
05/23/1978US4090824 Rotary piston engine piston having an internal seal
05/02/1978US4087099 Oil seal means for rotary piston engines
03/1978
03/21/1978US4080120 Inner seal for rotary piston engines and method of making same
03/21/1978US4080118 Rotary piston engine with seals and gas groove means in the rotor end faces
03/21/1978US4080116 Seal grid for a rotary internal combustion engine
02/1978
02/28/1978US4076261 Apex seal device for use in rotary piston engine
02/07/1978US4072451 Power transmission
02/07/1978US4072449 Combined seal biasing spring and check valve for rotary mechanisms
01/1978
01/17/1978US4068986 Sealing means for radial faces of piston in orbital piston device
01/03/1978US4066007 Actuator seal assembly
12/1977
12/06/1977US4061447 Oil seal for rotary engine
12/06/1977US4061445 Power-converting device
11/1977
11/29/1977US4060352 Sealing grid system for rotary piston mechanism of the Wankel type
11/29/1977US4060342 Vane assembly for rotary compressor
11/22/1977US4059370 Rotary engine having low thermal conductivity rotor
11/15/1977US4058321 Oil seal construction for rotary mechanisms
11/01/1977US4056339 Rotary piston type internal combustion engines
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