Patents for F03B 17 - Other machines or engines (5,086)
04/1991
04/25/1991DE3935063A1 Water power plant esp. for relatively quiet flows - uses turbogenerator driven by fall of water taken up by Archimedean screw geared to rotating waterwheel
04/24/1991CN1050923A Buoyancy, gravity cycle water supply generator
04/16/1991US5007241 Kinetic energy recovery device of liquid and gas
04/04/1991WO1991004412A1 Fluid driven motor
03/1991
03/27/1991EP0412088A4 Closed system, standpipe operated hydroelectric power plant
03/19/1991US5001357 Linear gravitational generator
03/06/1991EP0414785A1 Devices for extracting power from a moving fluid.
02/1991
02/26/1991CA1280667C Hydraulic motor
02/13/1991EP0412088A1 Closed system, standpipe operated hydroelectric power plant
02/13/1991CN1011609B Flow rate increment device
01/1991
01/16/1991EP0292545B1 Floating power plant to be placed in seas and rivers for gaining energy
01/09/1991EP0406338A1 Process and device for recovering energy from the lifting force of bodies
01/01/1991US4981015 Buoyancy engines
12/1990
12/05/1990EP0400000A1 Procedure for energy production in power plants installed in a room under the water surface of a head store.
10/1990
10/25/1990DE4009022A1 Generation of electricity by wind-power - by using windmill to drive water pump which drives turbine
10/25/1990DE3903412A1 Floating river power station
10/11/1990DE3911125A1 Turbine
10/04/1990DE3909154A1 Device for generating a rotary movement by means of a lifting body which is immersed in a liquid column and rises therein
09/1990
09/20/1990WO1990010790A1 Fluid flow systems
08/1990
08/29/1990EP0384757A1 A fluid turbine
08/16/1990DE4003680A1 Blade arrangement for water wheel - has fixed blade base portions concave towards incoming water
08/14/1990US4947647 Energy storage and generation hydro well apparatus
07/1990
07/10/1990US4939859 Air-liquid kinetic sculpture apparatus
06/1990
06/28/1990WO1990007058A1 Force deflection arrangement
05/1990
05/17/1990DE3837832A1 Mobile
05/03/1990DE3836554A1 Plant for using buoyancy force
04/1990
04/17/1990US4918369 Hydro-energy conversion system
04/12/1990DE3833812A1 Energy convertor
04/05/1990WO1990003515A1 Method and means for generating electric energy from stagnant water
04/04/1990CN1007444B Hydro-pneumatic hydraulic motor
03/1990
03/08/1990WO1990002262A1 Process and device for recovering energy from the lifting force of bodies
02/1990
02/08/1990DE3815801A1 Method of utilising known energy sources, in particular surface waters, in a better and environmentally beneficial manner
01/1990
01/25/1990DE3824760A1 Constant-pressure turbo machine
01/17/1990CN1006487B Fluid power prime mover
12/1989
12/07/1989DE3816133A1 Buoyancy-downforce-machine
11/1989
11/30/1989WO1989011594A1 Devices for extracting power from a moving fluid
11/23/1989DE3816555A1 Machine for delivering drive force
11/02/1989WO1989010482A1 A method of converting energy in a stream of moving liquid
11/02/1989EP0339246A1 A method of converting energy in a stream of moving liquid
10/1989
10/18/1989CN1036423A Dynamic energy output method of natural flow force of wave in river or sea and its hinge-type water turbine
10/10/1989US4873450 Electrical generating apparatus and method
10/10/1989US4872805 Water powered device
10/05/1989DE3803675A1 Underwater power plant for utilising the water upthrust for drive purposes
09/1989
09/26/1989CA1260802A1 Energy storage and recovery
09/26/1989CA1260801A1 Energy storage and recovery
09/21/1989WO1989008793A1 Closed system, standpipe operated hydroelectric power plant
09/21/1989WO1989008779A1 Procedure for energy production in power plants installed in a room under the water surface of a head store
09/19/1989US4868408 Portable water-powered electric generator
09/05/1989US4864152 Floating tidal power station for placing in sea and river currents for gaining energy
07/1989
07/25/1989US4850190 Submerged ocean current electrical generator and method for hydrogen production
07/18/1989US4849647 Floating water turbine
06/1989
06/13/1989US4838025 Hydraulic motor with buoyant tubular members
06/01/1989DE3738985A1 The water displacement generator gains its energy via an electronically controlled hydraulic system and the carrying capacity of the water
05/1989
05/11/1989DE3735841A1 Device for generating electrical energy at barrage weirs with locks
05/03/1989DE3736188A1 Mobile, buoyant irrigation-pump installation driven by running water
04/1989
04/06/1989DE3731387A1 Eddy-current generator for converting kinetic energy
04/04/1989US4818888 Water-powered electricity generating apparatus
03/1989
03/28/1989US4816697 Portable hydroelectric power unit
03/01/1989CN1031409A Floated ball type of power machine
02/1989
02/28/1989US4807437 Closed system, standpipe operated hydroelectric power plant
02/28/1989CA1250437A1 Energy storage and recovery
02/21/1989US4805406 Air activated liquid displacement motor
01/1989
01/19/1989DE3731772A1 Radial-flow turbine and its inversion as a drive unit
01/10/1989CA1248430A1 Energy converter
01/10/1989CA1248364A1 Down-hole devices for imparting rotary motion
01/05/1989DE3720580A1 Plant for driving hydroelectric turbines
12/1988
12/28/1988EP0176547B1 Hydropneumatic hydroelectric power plant
11/1988
11/30/1988EP0292545A1 Floating power plant to be placed in seas and rivers for gaining energy.
11/17/1988EP0291490A1 Rotor to extract energy from a moving fluid, and particularly from the wind
10/1988
10/13/1988DE3704013C1 Process and apparatus for the purification of flowing waters
10/06/1988EP0222826A4 Method and means for imparting energy to fluid.
09/1988
09/28/1988EP0272319A4 A fluid powered motor-generator apparatus.
09/21/1988EP0282620A1 Hydraulic motor
09/15/1988DE3802023A1 Gravity rotor
09/15/1988DE3707025A1 Plant for driving water-powered engines
08/1988
08/30/1988US4767938 Fluid dynamic energy producing device
08/11/1988DE3800192A1 Undershot water wheel arrangement
07/1988
07/21/1988DE3700328A1 Float engine
07/14/1988DE3644791A1 Coupled flowing-water power plant, optionally combined with a river-water oxygen enrichment plant - set up for operation of a buoyancy power plant
06/1988
06/29/1988EP0272319A1 A fluid powered motor-generator apparatus.
06/28/1988US4753070 Apparatus utilized in generating power and method for revolving a plurality of vanes to generate power
06/23/1988DE3642447A1 Compressed-air and water power station
06/23/1988DE3642007A1 Water carousel shaft, arranged for operating a buoyancy power plant
06/21/1988CA1238242A1 Water pump system
06/16/1988WO1988004362A1 Floating tidal power plant to be placed in seas and rivers for gaining energy
06/07/1988US4748808 Fluid powered motor-generator apparatus
06/01/1988DE3639989A1 Device for utilising water power to generate electricity
05/1988
05/04/1988EP0157811B1 Energy converter
05/03/1988US4742242 Buoyancy engine utilizing linked lifting bodies
04/1988
04/19/1988US4739182 Hydropneumatic water engine
04/12/1988US4737070 Water powered device
04/06/1988EP0262645A1 A hydrothrusting turbine
03/1988
03/30/1988CN86106328A System for utilizing the energy of main-water and its water motor
03/10/1988DE3629329A1 Energy converter
02/1988
02/23/1988US4726188 Motor utilizing buoyancy forces
02/18/1988DE3627426A1 Device for converting gas pressure energy into rotational energy
02/16/1988US4725195 Advanced piggyback water power generator
02/02/1988US4722665 Turbine
01/1988
01/28/1988DE3716093A1 Cyclic process for extracting technical work from the earth's gravitational field
01/26/1988US4720976 Method of power generation and its apparatus utilizing gravitation force and buoyancy
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