Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01C - Rotary-piston or oscillating-piston machines or engines › F01C 1 - Rotary-piston machines or engines
Patents for F01C 1 - Rotary-piston machines or engines (9,235)
01/1985
01/22/1985US4494914 Scroll fluid apparatus with displaced centers for the scroll member end plates
01/15/1985US4493622 Variable displacement motor
01/09/1985EP0130436A1 Rotary piston machine used as an expansion engine or compressor
01/09/1985EP0130328A1 Scroll-type fluid displacement machine and composite scroll-type fluid displacement machine
01/08/1985US4492546 Rotor tooth form for a screw rotor machine
01/08/1985US4492543 Orbiting member fluid displacement apparatus with rotation preventing mechanism
01/02/1985EP0130171A1 Rotary internal combustion engine
12/1984
12/27/1984EP0129126A1 Rotary piston machines
12/27/1984EP0128972A1 Internal-combustion engine with rotating pistons
12/27/1984CA1179946A Valveless bi-chamber rotary steam engine with turbine effect
12/25/1984US4490101 Internally axed rotary piston engine
12/25/1984US4490099 Scroll type fluid displacement apparatus with thickened center wrap portions
12/20/1984WO1984004944A1 Rotor - internal combustion engine with rotary pistons
12/20/1984WO1984004943A1 Rotary machine
12/18/1984US4488855 Main bearing lubrication system for scroll machine
12/12/1984EP0127615A1 Rotary seal rotary engine
12/11/1984US4487559 Hydraulic machine with retractable partitions and variable cubic capacity
12/11/1984US4487176 Rotary positive displacement motor
12/11/1984CA1179153A1 Rotary engine
11/1984
11/28/1984EP0126238A1 Scroll-type fluid displacement machine
11/20/1984CA1178256A1 Stepping type unloading system for helical screw rotary compressor
11/14/1984EP0124592A1 Hydraulic torque device
11/13/1984US4482305 Axial flow apparatus with rotating helical chamber and spindle members
11/13/1984US4481920 Rotary internal combustion engine, fluid motor and fluid pump having planetating gear pistons
11/06/1984CA1177454A1 Wrap element and tip seal for use in fluid apparatus of the scroll type
10/1984
10/31/1984EP0123407A1 Rotation-preventing device for an orbiting piston-type fluid displacement apparatus
10/30/1984CA1177038A1 Delivery valve assembly, especially for rotary compressors
10/30/1984CA1177036A1 Tip seal back-up member for use in fluid apparatus of the scroll type
10/30/1984CA1176990A1 Rotary motor
10/24/1984EP0122722A1 Axial sealing device for a scroll type fluid displacement apparatus
10/17/1984EP0122068A1 Interfitting mechanism of spiral elements for scroll type fluid displacement apparatus
10/17/1984EP0122067A1 A scroll type fluid displacement apparatus with surface treated spiral element
10/17/1984EP0122066A1 Scroll type fluid displacement apparatus with axial moving prevent device of bearing for driving mechanism
10/16/1984US4477239 Scroll type fluid displacement apparatus with offset wraps for reduced housing diameter
10/09/1984US4475875 Scroll type fluid displacement apparatus with balance weight
10/09/1984US4475874 Scroll fluid apparatus with axial sealing force
10/02/1984US4474544 Rotary gerotor hydraulic device with fluid control passageways through the rotor
10/02/1984US4474543 Rotation prevention device for an orbiting member of a fluid displacement apparatus
10/02/1984US4474045 Spring guide rail with several centering fingers
09/1984
09/25/1984US4473343 Bearing device for scroll-type compressor
09/25/1984CA1174983A1 Internal combustion engine
09/25/1984CA1174875A1 Driveshaft arrangement for a rotary expansible chamber device
09/19/1984EP0118900A1 Lubricating mechanism for a scroll-type fluid displacement apparatus
09/19/1984EP0118508A1 Rotary machine
09/18/1984US4472120 Scroll type fluid displacement apparatus
09/13/1984WO1984003537A1 Compact high torque hydraulic motors
09/11/1984US4470779 Rotary fluid machine with expandable rotary obturator
09/11/1984US4470777 Volumetric machine with screw and pinion-wheels
08/1984
08/30/1984WO1984003330A1 Rotary blade machine
08/28/1984US4468181 Improved rotation preventing device for a scroll-type fluid displacement apparatus
08/28/1984US4468178 Scroll type compressor with displacement adjusting mechanism
08/22/1984EP0116356A1 Rotary piston engine
08/21/1984US4466785 Clearance-controlling means comprising abradable layer and abrasive layer
08/21/1984US4466784 Drive mechanism for a scroll type fluid displacement apparatus
08/21/1984US4466783 Three vane, two lobe fluid motor
08/21/1984CA1172905A1 Displacement variation of hydraulic machines with retractable partitions
08/16/1984WO1984003124A1 Rotary piston mechanism
08/08/1984EP0115228A1 Volumetric machine with conical screws
08/07/1984US4464100 Scroll fluid apparatus handling compressible fluid
07/1984
07/31/1984US4462775 Rotary piston machine with mating frustoconical sealing surface
07/31/1984US4462774 Rotary expander fluid pressure device
07/31/1984US4462773 Planetary hydraulic motor
07/31/1984US4462772 Oil feeding device for scroll fluid apparatus
07/31/1984US4462771 Wrap element and tip seal for use in fluid apparatus of the scroll type and method for making same
07/17/1984US4460322 Rotors for a rotary screw machine
07/17/1984US4460321 Axial clearance adjustment mechanism for scroll type fluid displacement apparatus
07/10/1984US4459090 Rotary type compressor for automotive air conditioners
07/10/1984US4458453 Rotary tool and fluid motor
07/10/1984CA1170682A1 Wrap element and tip seal for use in fluid apparatus of the scroll type and method for making same
07/10/1984CA1170576A1 Global rotary engine
07/03/1984US4457681 Volume ratio control means for axial flow helical screw type compressor
07/03/1984US4457676 Driving support mechanism for an orbiting scroll of a scroll type fluid displacement apparatus
07/03/1984US4457674 High efficiency scroll type compressor with wrap portions having different axial heights
06/1984
06/26/1984US4456441 Rotary machine
06/26/1984US4456435 Scroll type fluid displacement apparatus
06/26/1984US4456051 Scroll manufacturing method
06/21/1984WO1984002376A1 Gear mechanism for pusher rod with radial, respectively axial, coupling for ring piston of a machine rotating at an intermittent speed
06/19/1984US4455131 Control device in a helical screw rotor machine for regulating the capacity and the built-in volume ratio of the machine
06/19/1984US4455130 Gear machine with oppositely aligned sealing elements
06/19/1984US4455128 Rotary internal combustion engine with uniformly rotating pistons cooperating with reaction elements having a varying speed of rotation and oscillating motion
06/12/1984US4453899 Scroll type fluid displacement apparatus with reinforced wrap seals
06/12/1984US4453868 Air-operated, hydraulically-controlled drillmotor
06/07/1984WO1984002160A1 Rotary seal rotary engine
06/05/1984CA1168510A1 Gear ring pump
05/1984
05/30/1984EP0109823A1 Rotary displacement machine
05/29/1984US4451219 Valveless bi-chamber rotary steam engine with turbine effect
05/29/1984US4451216 Planetary hydraulic motor with stator gear hinged to a housing
05/29/1984US4451215 Rotary piston apparatus
05/29/1984US4451214 Rotary piston type fluid machine
05/29/1984US4450802 Internal combustion engines and rotary volumetric compressors
05/22/1984US4449899 Rotary vane machine
05/15/1984US4448161 Internal combustion rotary power plant system
05/10/1984WO1984001800A1 Hydraulic torque device
05/08/1984US4446829 Rotary internal combustion engine
05/02/1984EP0106912A1 Screw rotor machine
04/1984
04/25/1984EP0106288A1 Scroll type compressor
04/25/1984EP0106287A1 Scroll type fluid displacement apparatus
04/25/1984EP0105981A1 Scroll type fluid displacement apparatus
04/24/1984US4444272 Overspeed safety device
04/24/1984US4444165 Internal combustion rotary power plant system
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