Patents for F01C 1 - Rotary-piston machines or engines (9,235)
09/1994
09/06/1994US5343838 Dual radius rotor for pre-mixed-charge rotary engine combustion
09/01/1994DE4409349A1 Solar engine
09/01/1994DE4405049A1 Displacement machine
08/1994
08/31/1994CN2175831Y Rotary steam expansion engine
08/30/1994US5342184 Scroll machine sound attenuation
08/30/1994US5341782 Rotary internal combustion engine
08/25/1994DE4305669A1 Elliptical rotary internal combustion engine
08/11/1994DE4337427A1 Stator geometry of a rotary-piston machine (engine)
08/10/1994EP0561855B1 Rotating piston machine
08/09/1994US5336068 Scroll-type fluid machine having the eccentric shaft inserted into the moving scroll
08/04/1994WO1994017284A1 A rotary engine
08/03/1994EP0608316A1 Wing motor.
07/1994
07/26/1994US5332375 Rotary piston machine
07/26/1994CA2049878C Scroll apparatus with enhanced lubricant flow
07/21/1994WO1994016208A1 Sliding piston internal combustion rotary engine
07/21/1994DE4301462A1 Rotary piston motor or pump
07/21/1994DE3744760C2 Compacting machine compressing fluid e.g. refrigeration compressor
07/19/1994US5329900 Rotary internal combustion engine
07/14/1994DE4300613A1 Four-stroke combustion engine with toroidal and rotary pistons
07/12/1994US5328337 Guided vanes hydraulic power system
07/06/1994EP0604533A1 Internal combustion engine having opposed pistons.
07/05/1994US5326238 Rotating piston machine having cam controlled alternating pistons
07/05/1994US5325714 Steerable motor system with integrated formation evaluation logging capacity
07/05/1994US5325671 Rotary heat engine
06/1994
06/29/1994EP0604358A1 A scroll compressor with a thermally responsive bypass valve for high temperature protection
06/28/1994US5324182 Rotating piston internal combustion engine with ring gear elastically coupled to the housing
06/28/1994US5324176 Oscillating piston engine for pumping system
06/28/1994US5323737 Electrical charging system for an electric powered vehicle
06/28/1994CA2051733C Co-rotational scroll apparatus with positive lubricant flow
06/23/1994WO1994013942A1 Dual disc rotary combustion engine
06/23/1994WO1994013933A1 Rotary engine
06/23/1994DE4242966A1 Wankel type rotary piston engine
06/22/1994EP0602272A1 Rotary piston machine
06/22/1994EP0602143A1 Rotor for a screw rotor machine.
06/21/1994US5322426 Displacement machine spiral shaped strip with different curvatures
06/21/1994US5322425 Rotary internal combustion engine
06/15/1994EP0601218A1 Rotary piston machine
06/15/1994EP0510009B1 Rotary valve machine
06/14/1994US5320506 Oldham coupling for scroll compressor
06/09/1994WO1994012764A1 A transmission
06/09/1994DE4239927A1 Modified two-stroke rotary-piston engine with slide-valve control - has three slide-valves reciprocated radially to open and close combustion chamber and for sepn. of inlet and exhaust ports.
06/09/1994CA2150352A1 A transmission
06/08/1994CN1024941C Scroll-type fluid machinery and assembling method of same
06/02/1994CA2084215A1 Rotary internal combustion engine
06/01/1994CN1087401A Full low auxiliary vane type variable volume mechanism
05/1994
05/31/1994US5316456 Slide vane machine
05/24/1994US5314316 Scroll apparatus with reduced inlet pressure drop
05/19/1994DE4238218A1 Rotary piston combustion engine - has triangular piston rotating about eccentric in rectangular housing which is bounded by drive and driven aggregates
05/18/1994CN2165227Y Screw expander
05/11/1994WO1994010425A1 Scroll compressor drive having a brake
05/10/1994US5310325 Rotary engine with eccentric gearing
05/10/1994US5310324 Scroll-type fluid machine with attaching means for the balance weight
05/10/1994US5310320 Rotor for a rotary screw machine having internal member and external shell made of pressed metal powder
05/10/1994CA2044326C Scroll type fluid machinery
05/04/1994EP0594849A1 Rotary piston internal combustion engine
05/04/1994CN1086288A Annular cavity piston-type volume-changing device
04/1994
04/28/1994WO1994009268A1 Mechanism for converting rotary to reciprocating rotary motion
04/28/1994WO1994009261A1 Internal combustion engine, compressor and compressed-air engine
04/28/1994WO1994009260A1 Sliding vane machine
04/28/1994WO1994009259A1 Scroll apparatus with reduced inlet pressure drop
04/28/1994DE4235559A1 Verbrennungsmotor Combustion engine
04/26/1994US5305716 Rocking-type piston engine
04/21/1994DE4234503A1 Rotary piston engine - has crank shafts which pass through ring-shaped piston carriers and revolve at same speed as drive shaft about central axis
04/19/1994US5304049 For handling fluid
04/19/1994US5304048 Scissor-action piston rotary engine with distributive arms
04/19/1994US5304047 Scroll compressor of two-stage compression type having an improved volumetric efficiency
04/19/1994US5303546 Internal combustion engine
04/14/1994CA2080432A1 Mechanism for converting rotary to reciprocating rotary motion
04/13/1994EP0591979A1 Screw rotor toth profile
04/07/1994DE4328538A1 Displacement engine with variable volume working chambers - uses grid made up of wall segments to create working chambers
03/1994
03/23/1994CN1084246A Two-angle rotor mechanism
03/22/1994US5295814 Trochoidal rotary piston machine with piston follow-up mechanism
03/22/1994US5295813 Scroll-compressor having flat driving surfaces
03/17/1994WO1994005957A1 Portable self-contained power and cooling system
03/17/1994DE4330609A1 Rotating piston machine with spiral element design - has spiral body in form of involute with base circle radius to alter involute angle
03/17/1994CA2142865A1 Portable self-contained power and cooling system
03/15/1994US5293850 Scroll type rotary internal combustion engine
03/15/1994US5293747 Power regulator for a pressure fluid motor
03/10/1994DE4229789A1 Rotating piston engine with single chamber - has three pistons rotating about axis offset from runner axis
03/03/1994WO1994004794A1 Axial vane rotary engine with rounded vanes
03/03/1994WO1994004793A1 Axial vane rotary engine
03/03/1994DE4327994A1 Vane cell compressor assembly - has rotor with grooves containing blades, positioned so that blade tips do not project into intake apertures
03/02/1994EP0584177A1 A rotary displacement compressor and a method for regulating a rotary displacement compressor.
03/01/1994US5290160 Scroll type fluid machinery and assembling method of the same
03/01/1994US5289802 Internal combustion engine having opposed pistons
02/1994
02/24/1994DE4227786A1 Rotary piston machine or power unit - has six pistons arranged in star formation about seventh piston, creating small and large working chambers on rotation
02/23/1994EP0584036A1 Dynamically balanced co-orbiting scrolls
02/22/1994US5288217 Cyclic volume machine
02/17/1994WO1994003714A1 Improved oscillating piston engine
02/17/1994DE4226629A1 Rotary piston engine assembly - uses eight-section seat control rod working with curved disc
02/17/1994DE4225932A1 Rotary IC engine with cylindrical bore - has rotating piston with pivot-mounted shaped combustion elements on outer rim
02/16/1994CN1082141A Piston-rotating volume-varying mechanism
02/15/1994US5286179 Thermal isolation arrangement for scroll fluid device
02/10/1994DE4330033A1 Triple disc rotary piston IC engine - has functions controlled by slits which are opened and closed by disc pistons, has ignition chamber outside of housing and joined to compression and expansion chambers by openings
02/10/1994DE4225585A1 Combustion engine with counter-rotating plates - has series of walls formed on plates to create working chambers
02/09/1994EP0582555A1 Rotary internal combustion engine
02/08/1994CA1326830C Rotary internal combustion engine
02/08/1994CA1326829C Compound rotary internal combustion engine
02/03/1994WO1994002724A1 Improved oscillating piston engine
02/02/1994EP0581431A1 Pressure fluid motor having a power regulator
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