Patents for F01C 1 - Rotary-piston machines or engines (9,235)
12/1980
12/16/1980US4239465 Rotary motor with alternating pistons
12/16/1980US4239027 Rotary internal stage combustion engine
12/16/1980CA1091587A1 Rotary internal combustion engine
12/09/1980CA1091091A1 Rotary engine or pump construction
11/1980
11/25/1980US4235217 Rotary expansion and compression device
11/18/1980US4234296 Screw compressor
11/12/1980EP0018359A1 Apparatus for transforming pressure and/or flow motion of a fluid to rotational motion of a body, or vice versa
10/1980
10/28/1980US4230088 Rotary internal combustion engine with integrated supercharging
10/21/1980US4229152 Epicyclic gear system and driving means therefor
10/16/1980WO1980002176A1 Multiple-thread screw-type drive for use in the borehole
10/14/1980US4227506 Internal combustion engine
10/14/1980CA1087646A1 Sealing member for orbital or rotary motors
10/01/1980EP0016105A1 Engine system
09/1980
09/30/1980US4225308 Pneumatic laminar motor for dental use
09/30/1980US4225293 Rotary engine with arcuate sealing vanes
09/30/1980CA1086517A1 Heat pump
09/23/1980US4224016 Rotary positive displacement machines
09/18/1980WO1980001935A1 Rotary-piston machine
09/16/1980US4222718 Linear motion thrust block for hydraulic pumps and motors
09/09/1980US4221553 Oribital pump with fluid flow control
09/09/1980CA1085126A1 Multi-shaft screw extruder
08/1980
08/26/1980US4219315 Sealing member for orbital or rotary motors
08/06/1980EP0013947A1 Internal combustion engine with rotary pistons of the internal axis type
08/05/1980US4215533 Rotary expander engine
07/1980
07/29/1980US4214557 Pivoting wall type, four stroke, internal combustion, rotary engine
07/22/1980CA1082107A1 Internal ballistic engine
07/15/1980US4212603 Rotary vane machine with cam follower retaining means
07/15/1980US4212282 Positive displacement, continuous combustion rotary engine
07/15/1980US4212271 Radial torque internal combustion engine
07/10/1980WO1980001397A1 Rotating piston engine
06/1980
06/25/1980EP0012329A1 Rotary piston device super-charging an internal combustion engine
06/24/1980US4209001 Orbital internal combustion engine
06/17/1980US4207736 Rotary piston machine
06/11/1980EP0011762A1 Rotary piston engine
06/10/1980US4207039 Seal grid system for a rotary piston mechanism
06/10/1980US4207037 Stator for a downhole fluid operated motor and method of assembling the same
05/1980
05/20/1980US4203410 Method for operating a rotary engine
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
05/13/1980US4202315 Single cycle rotary engine with constant fuel feeding
05/06/1980US4201526 Pivoted blade between rotor and stator having arcuate sections
04/1980
04/30/1980EP0010402A1 Improvements in scroll-type compressor units
04/22/1980US4199308 Axial compliance/sealing means for improved radial sealing for scroll apparatus and scroll apparatus incorporating the same
04/16/1980EP0009916A1 Rotary positive displacement machines
04/16/1980EP0009915A1 Rotary positive displacement machines
04/15/1980US4198194 Rotary piston machine with wear surface on rotary valve member
04/15/1980US4197715 Heat pump
04/08/1980US4197061 Rotary pneumatic vane motor with rotatable tubing contacted by vanes
04/03/1980WO1980000601A1 Apparatus for transforming pressure and/or flow motion of a fluid to rotational motion of a body,or vice versa
04/03/1980WO1980000592A1 Gear machine
04/03/1980WO1980000591A1 Gear machine
03/1980
03/25/1980US4194871 Rotary piston internal combustion engine
03/18/1980US4193748 Yoke coupler for two eccentrically rotating members
03/18/1980CA1073741A1 Fluid-cooled, scroll-type, positive fluid displacement apparatus
03/11/1980US4192634 Rotary internal combustion engine
03/11/1980US4192152 Scroll-type fluid displacement apparatus with peripheral drive
03/05/1980EP0008531A1 Rotary machine
03/04/1980US4191515 Sealing system for a rotary machine
03/04/1980US4191032 Rotary energy-transmitting mechanism
03/04/1980CA1073023A1 Scroll-type apparatus with hydrodynamic thrust bearing
03/04/1980CA1072928A1 Rotary vane compressor with vane extension means of improved design
02/1980
02/12/1980US4188176 Variable displacement rotary fluid energy converter
02/12/1980CA1071597A1 Rotary vane compressor with improved vane extension means
02/07/1980WO1980000170A1 Engine system
02/06/1980EP0007535A1 Double-rotor rotary piston machine
02/05/1980US4187064 Rotary machine
02/05/1980US4187062 Bypass rotary gas expansion motor
02/05/1980CA1071024A1 Power transmission
01/1980
01/29/1980CA1070577A1 Pulse motor nutrunner
01/23/1980EP0006915A1 Rotary pistons machine
01/22/1980CA1070133A1 Coupling member for orbiting machinery
01/15/1980US4183723 Rotary vane pump having multi-independent outputs due to stator surfaces of different contour
01/08/1980US4182301 Rotary internal combustion engine
01/01/1980US4181481 Rotary internal combustion engine
01/01/1980US4181479 Balanced gerotor device with eccentric drive
01/01/1980US4180983 Device for preventing leakages of working fluid from a heat engine
12/1979
12/25/1979US4179890 Epitrochoidal Stirling type engine
12/25/1979US4179885 Turbine-wheeled power device
12/18/1979US4178900 Rotary internal combustion engine
12/18/1979CA1068216A1 Rotary piston engine
12/04/1979US4177024 Vane air motor with eccentric adjustment ring and bearing ring for vane ends
11/1979
11/29/1979WO1979000985A1 Internal combustion engine with rotating pistons
11/27/1979US4175393 Rotary vane drive with rotating cylinder
11/20/1979US4174930 Rotary engine
11/06/1979CA1065823A1 Low friction, controlled leakage rotary engine
11/06/1979CA1065822A1 Rotary steam engine
10/1979
10/09/1979US4170213 Rotary engine
10/02/1979US4169697 Angular compression expansion cylinder with radial pistons
09/1979
09/25/1979US4168941 Rotary vane machine with roller seals for the vanes
09/18/1979US4167922 Internal ballistic engine
09/11/1979US4167375 Power-converting device
08/1979
08/21/1979US4165209 External axle rotary piston machine
08/21/1979US4165203 Pressurized medium powered device
08/21/1979CA1060708A1 Fluid driven motor having improved blade construction
08/08/1979EP0003355A1 Unidirectional energy converter engine
08/07/1979US4163635 Vane type rotary fluid pumps or compressors
07/1979
07/31/1979US4162854 Multi-shaft screw extruder
06/1979
06/26/1979CA1057252A1 Screw rotor machine
06/19/1979CA1056648A1 Rotor-stator gear set
06/12/1979US4157882 Device for sealing between the rotary piston and the separating slide of a rotary engine, a rotary piston pump, or the like
06/05/1979US4157234 Scroll-type two stage positive fluid displacement apparatus
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