| Patents for F01D 1 - Non-positive-displacement machines or engines, e.g. steam turbines (3,766) |
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| 02/03/1994 | CA2119564A1 Refrigeration system utilizing an expansion jet compressor |
| 02/02/1994 | EP0334905B1 Pneumatic motor with jet-propulsion disk |
| 01/11/1994 | US5277542 Turbine with spiral partitions on the casing and rotor thereof |
| 01/05/1994 | CN1080356A Axial flow turbine |
| 12/23/1993 | DE4320180A1 Rotor unit for axial flow turbo-engine - with constant profile variation of fluid passage between rotor core and outer jacket |
| 12/22/1993 | EP0575302A1 Pneumatic turbine with particle separator |
| 12/21/1993 | US5271225 Multiple mode operated motor with various sized orifice ports |
| 11/23/1993 | US5263814 Water driven turbine |
| 11/16/1993 | US5261233 Brake device of pneumatic rotational tool |
| 11/03/1993 | EP0567784A1 Axial flow turbine |
| 10/20/1993 | CN2144181Y Steam-gas turbine |
| 10/20/1993 | CN1022505C Non variable capacitance type rotary machine |
| 10/07/1993 | DE4244527C1 Cross current flow machine - is constructed with individual wheels in a single or double flow arrangement with housing inner part coaxial to outer part |
| 10/06/1993 | EP0563404A1 Fluid energy apparatus |
| 09/21/1993 | US5246338 Mixed gas turbine |
| 09/21/1993 | US5245822 Compact turbine assembly |
| 08/24/1993 | US5237814 Internal combustion rotary engine |
| 08/17/1993 | US5236349 Two-phase reaction turbine |
| 08/05/1993 | WO1993015312A1 Rotary jet engine |
| 08/04/1993 | CN1074972A Improved dual-medium (steam and gas) turbine |
| 07/22/1993 | CA2080268A1 Air block |
| 07/07/1993 | EP0537146A4 Rotary disc pump |
| 06/15/1993 | US5219270 Reaction barrel with rocket nozzles in staggered alignment and connecting ducts of unequal length |
| 06/08/1993 | US5216899 Rotating single cycle two-phase thermally activated heat pump |
| 06/02/1993 | CN1072754A Impeller stress improvement through overspeed |
| 06/01/1993 | US5215436 Inlet casing for steam turbine |
| 05/19/1993 | EP0541911A1 Method for improving the capability of a body to withstand stress in rotation |
| 05/16/1993 | CA2076243A1 Impeller stress improvement through overspeed |
| 04/22/1993 | WO1993008375A1 Fluid energy apparatus |
| 04/21/1993 | EP0537146A1 Rotary disc pump. |
| 04/15/1993 | WO1993007361A1 Method of driving a turbine in rotation by means of a jet device |
| 04/13/1993 | US5201180 Method and apparatus for monitoring the operating condition of a steam turbine |
| 03/18/1993 | WO1993005275A1 Forward skew fan with rake and chordwise camber corrections |
| 03/17/1993 | CN1070029A Impulse turbine with drum rotor, and improvements to such turbines |
| 03/09/1993 | US5192182 Substantially noiseless fan |
| 03/04/1993 | WO1993004005A1 System for recovering energy from wet oxidation process streams |
| 02/16/1993 | US5186603 Air motor |
| 02/16/1993 | US5186602 Turbine and turbocharger using the same |
| 12/29/1992 | CA1311929C Regenerative turbomachine |
| 12/23/1992 | WO1992022740A1 Electricity generator |
| 12/01/1992 | US5167486 Turbo-machine stage having reduced secondary losses |
| 10/27/1992 | US5158435 Impeller stress improvement through overspeed |
| 10/21/1992 | EP0509921A1 Action turbines |
| 10/21/1992 | EP0509347A1 System for monitoring the operation of a steam turbine |
| 10/20/1992 | CA2066318A1 Drum rotor-type impulse turbines and improvements of same |
| 10/13/1992 | US5154574 Gearless air motor |
| 10/13/1992 | US5154372 Torque multiplier for aircraft propeller |
| 09/29/1992 | US5151112 Pressure generator/gas scrubber |
| 09/15/1992 | US5147564 Generating electricity |
| 08/18/1992 | US5139391 Rotary machine with non-positive displacement usable as a pump, compressor, propulsor, generator or drive turbine |
| 07/29/1992 | EP0496571A1 Gas turbine |
| 07/15/1992 | CN2110099U Power changed wheel machine |
| 07/08/1992 | CN1062578A Intake-case for steam turbine |
| 07/08/1992 | CN1062576A Mixed-flow saturated steam turbine |
| 06/30/1992 | US5125794 Impulse turbine stage with reduced secondary losses |
| 06/24/1992 | EP0491134A1 Inlet casine for steam turbine |
| 06/19/1992 | CA2055710A1 Inlet casing for steam turbine |
| 06/09/1992 | US5120194 Hydraulic/pneumatic turbine transmission |
| 06/02/1992 | US5118961 Turbine generator |
| 06/02/1992 | US5118250 Compressed air motor with reaction propulsive disk |
| 05/29/1992 | WO1992008878A1 New turbine helicoidal in depth |
| 05/26/1992 | US5116200 Apparatus and methods for minimizing vibrational stresses in axial flow turbines |
| 03/15/1992 | WO1992005350A1 Turbine generator |
| 02/26/1992 | CN2097280U Radial steam turbine |
| 01/07/1992 | US5077968 Vaneless contrarotating turbine |
| 01/03/1992 | WO1992000440A1 Rotary disc pump |
| 01/02/1992 | EP0463881A1 Apparatus and methods for minimizing vibrational stresses in axial flow turbines |
| 01/01/1992 | CN1057506A Pulsating turbo-machine stage having reduced secondary losses |
| 01/01/1992 | CN1057504A Turbo-machine stage having reduced secondary losses |
| 12/18/1991 | CN2090873U Household miniature multifunction steam turbine alternator |
| 12/10/1991 | US5071312 Interdigitated discs |
| 11/21/1991 | EP0457241A1 Impulse turbine stage with reduced secondary losses |
| 11/21/1991 | EP0457240A1 Turbomachinery stage with reduced secondary losses |
| 10/17/1991 | WO1991015680A1 Vortex-type rotor machine |
| 10/01/1991 | US5052180 Fluid pressure driven power system |
| 09/03/1991 | US5045246 Suction device |
| 08/07/1991 | CN2082313U 发动机 Engine |
| 07/25/1991 | DE4014976C1 Exhaust turbocharger with two-stage axial exhaust turbine - has duct section, adjacent to first turbine stage, as part of axially displaceable ring slider |
| 06/26/1991 | EP0434615A2 Turbine |
| 06/13/1991 | DE3935757A1 Use of inertia force of mass to produce energy - involves accelerating mass and then using its kinetic energy |
| 06/05/1991 | EP0429650A1 Volume-expansion steam rotor engine |
| 04/24/1991 | CN2075700U High efficient gas turbine |
| 04/23/1991 | CA1283298C Multi-staged turbine system with bypassable bottom stage |
| 03/06/1991 | CN2072594U Heat engine |
| 01/23/1991 | EP0408618A1 Rotary machine with non-positive displacement, for use as a pump, compressor, propulsion unit, generator or drive turbine |
| 12/25/1990 | US4979873 Steam turbine |
| 12/18/1990 | US4978277 Regenerative turbomachine |
| 12/13/1990 | WO1990015225A1 Internal combustion engine |
| 12/13/1990 | DE3918713A1 Brennkraftmaschine Internal combustion engine |
| 12/13/1990 | DE3918624A1 Reactive turbine driven by compressed gas leaving peripheral jets - has gas supplied through canals in piston, that slides into contact with turbine hub |
| 11/29/1990 | WO1990014503A1 Volume-expansion steam rotor engine |
| 11/06/1990 | US4968217 Variable pitch arrangement for a gas turbine engine |
| 11/06/1990 | US4968216 Two-stage fluid driven turbine |
| 09/06/1990 | DE3935048A1 Multi-technology system for energy conversion - incorporates arrangement of turbines with heat exchanger |
| 08/08/1990 | EP0380990A2 Reversible turbine pump |
| 07/10/1990 | US4940385 Rotary disc pump |
| 07/04/1990 | EP0376644A1 Radial flow fluid pressure module |
| 06/13/1990 | EP0372135A1 Internal combustion engine |
| 05/22/1990 | US4927323 Radial flow fluid pressure module |
| 05/16/1990 | CN2057219U Unified micro steam-turbo-generator |