Patents for F03B 17 - Other machines or engines (5,086)
03/1994
03/24/1994DE4231638A1 Hydrostatic thrust rotor for electric current generation - is subjected to continuous rotation by magnets and springs for excitation of generator by movements of float in water-filled container
02/1994
02/17/1994WO1994003725A1 Stepanov's aerohydrodynamic engine
02/10/1994DE4223952A1 Water supply and pumping station using Archimedes screw driven by water turbine - uses water lifted to set into motion water bucket chain coupled to electric generator with released flow energy used for turbine drive
01/1994
01/27/1994DE4223971A1 Paddle blade system for utilising wind or water power to produce e.g. electric power - is designed, e.g. as frameless, large area kinetic plates arranged respectively against open carrier frames in any number around paddle wheel shaft
01/25/1994US5281856 Water current energy converter
01/19/1994EP0578868A1 Apparatus for accumulating energy and converting energy in electrical power
01/19/1994EP0400000B1 Procedure for energy production in power plants installed in a room under the water surface of a head store
01/19/1994CN1080978A Hydraulic power generation with combined gravity transformation system
01/06/1994WO1994000688A1 Automatic pumping apparatus utilizing wave motion
01/05/1994DE4221657A1 Totally submerged hydro-electricity generation plant - uses water turbine with peripheral cups within turbine housing leading to water-tight sump at lower level
01/05/1994CN1080365A Buoyancy engine
11/1993
11/25/1993DE4216531A1 Rotor system with one or more rotor blades - having axes of rotation lying vertical to flow direction of medium and rotor blades arranged on common carrier rotational around axis vertical to carrier plane
10/1993
10/20/1993CN1077519A Electricity generating device
10/01/1993CA2064456A1 Renewable electrical energy
09/1993
09/23/1993DE4209567A1 Buoyancy-conversion system into rotary movement - uses floats travelling immersed along half circular path in vertical plane and deflected from inner to outer radius
09/02/1993DE4205870A1 Lifting of water between reservoirs at different levels - lowering floor which drives water into ascending duct for return via hydraulic turbogenerators
08/1993
08/25/1993CN2140971Y Fluid pressure intensity automatic changeover generator
08/04/1993CN2139633Y Engine of vehicle using liquid countercurrent
07/1993
07/29/1993DE4201683A1 Passive gas compression and release machine e.g. for well-shaft type power station - has tubes on vertical chain drive within water-filled well collecting gas above water and releasing at BDC
07/27/1993US5230215 Ocean current power generation system
07/22/1993WO1993014314A1 Water turbines or pumps
07/22/1993DE4201396A1 Current generating plant using water movement esp. of large rivers - has pontoon anchor fixed on river accommodating at least one generator which, on outer side in flow direction, has rope or chain at which paddles are fixed at intervals
07/22/1993DE4201317A1 Water power plant with current generator coupled to driving turbine - having impeller arranged on horizontal shaft arranged between two pontoons held against direction of flow and impeller shaft is arranged above water level
06/1993
06/16/1993CN2136341Y Water pump by use of water energy
06/09/1993EP0545280A1 Drive mechanism
06/02/1993CN1021074C Hydraulic turbine
05/1993
05/27/1993DE4138601A1 Water-powered electrical energy generation system - has containers fitted to endless transmission chain between deflection rollers carried by spaced catamaran punts
04/1993
04/27/1993US5205720 Method and apparatus for producing compressed air and water pumping apparatus utilizing the produced air
04/27/1993CA1316833C Motor
03/1993
03/04/1993WO1993004280A1 Gravity/flotation motor
03/04/1993DE4128652A1 Generating electrical power from water - using linear displacement of piston by water pressure to drive dynamo
02/1993
02/18/1993WO1993003277A1 Reversible mechanical kinetic to rotational energy converter
02/09/1993US5184469 Kinetic energy recovery device of liquid and gas
02/04/1993WO1993001970A1 A floating platform for submerged hydroelectric generating stations and/or foundation supports for constructions of any kind
02/04/1993DE4125691A1 Tidal generator adaptable to available topography - uses generator with propeller tethered to concrete base on sea-bed and always in direction of water flow
01/1993
01/28/1993DE4124899A1 Plant to convert energy from water - has pressure plate and conical compression vessel connected via valves to intake water and nozzles
01/14/1993DE4122510A1 Gravity powered energy generator - uses endless bucket chain to lift water which runs down through turbine
01/05/1993US5176501 Propeller with an elastic sleeve
12/1992
12/10/1992WO1992021877A1 Underwater turbine
11/1992
11/26/1992WO1992020917A1 Free rotor
11/19/1992DE4211718A1 Hydrostatic pressure device to generate rotary movement - consists of sets of rings with double pistons in apertures, moved by hydrostatic pressure
11/19/1992DE4126647A1 Removal of trapped material for gate supply of small power stations - with trapped material directed to run-off channel via interlinked secondary grid or chain bucket system
11/12/1992WO1992019864A1 Hydraulic circulatory systems
10/1992
10/15/1992DE4111662A1 Agricultural gravitation pump - is of rotatable double float construction with two opposite feed pumps
10/08/1992DE4103632A1 Machine with energy output twice its energy input - consists of tube filled with water which is rotated about its centre point
10/01/1992DE4139591A1 Power station located in well - uses hydrogen@ and oxygen@ from electrolytic water fission to transmit energy
09/1992
09/17/1992WO1992015782A1 Apparatus for recovering kinetic energy in a free flowing water stream
09/10/1992DE4206892A1 Electric current generator employing column of ionised gas - uses gas from electrolysis of water and ionised electrostatically for induction of current in windings of generator
09/10/1992DE4105581A1 Underwater air turbine to generate energy - consists of vertical turbine wheel and compressed air chamber
09/02/1992EP0500669A1 Water current energy converter.
08/1992
08/27/1992DE4112730A1 Generator powered by water stream - uses paddle blade wheel(s) impeller(s) to drive generator(s) arranged on large float anchored locally in flowing water
08/26/1992CN1063924A Suspended hydraulic generator and motive machine
08/13/1992DE4103937A1 Energy generation system - uses tube in sea water to take advantage of ellipsoid shape of earth
08/11/1992US5137423 Hydraulic turbine
08/04/1992US5136174 Multi-paddlewheel system for generating electricity from water canal
07/1992
07/29/1992CN1063146A Buoyancy power generator
07/08/1992CN1062581A Submergible or floatable power apparatus and cooperative electric generator
07/01/1992EP0491705A1 Power booster
07/01/1992CN1062402A Doing work method using pressurized gas as transmission mass
06/1992
06/30/1992CA1304272C Fluid powered motor-generator apparatus
06/12/1992CA2031989A1 System for hydraulically generating mechanical energy
06/09/1992CA1302898C Devices for extracting power from a moving fluid
06/02/1992US5118255 Motor
05/1992
05/14/1992DE4128885A1 Turbine housing for channelling flow of streams or waves - is reversible so that either large or small aperture of funnel serves as inlet or outlet
04/1992
04/23/1992DE4029150A1 Belt with hollow bodies for energy production - has water tank and wind turbines, incorporating wind collectors
04/15/1992EP0480214A1 Energy converter
03/1992
03/11/1992EP0272319B1 A fluid powered motor-generator apparatus
03/05/1992WO1992003656A1 Fluid-powered turbine with built-in floating elements and current direction intensifiers
03/04/1992CA2049775A1 Hydraulic turbine
02/1992
02/27/1992DE4026638A1 Water-powered current generation plant - has paddle wheel located in free space between two floating pontoons
02/19/1992CN1058854A Chinese taoist school, book of changes philosophy displaying instrument
01/1992
01/25/1992CA2031669A1 Apparatus for utilizing water as an energy source
01/23/1992WO1992001153A1 Device for generating energy from a moving fluid
01/23/1992DE4022977A1 Torque recovery device for sluice-gate electric generators - incorporates rollers rotated by endless-loop cable as float rises and sinks with level of water
01/23/1992DE4022767A1 Moving-magnet electric generator powered by hydrostatic thrust - which raises floating magnets alternately in upper and lower cylinders around which induction coils are wound
01/16/1992DE4121687A1 Maritime power station - uses electrolytic fission of water to recover hydrogen and oxygen
01/16/1992DE4022254A1 Vorrichtung zum erzeugen von energie aus einer bewegten fluessigkeit Apparatus for generating energy from a moving fluid
01/08/1992EP0465242A1 Method and apparatus for producing compressed air
01/08/1992EP0464026A1 Force deflection arrangement
01/06/1992WO1992001155A1 Power booster
01/06/1992CA2065239A1 Power booster
01/04/1992WO1992001154A1 Method of and device for providing compressed air and water pumping device using air thus compressed
12/1991
12/12/1991WO1991019092A1 Fluid motor and drive assembly for a fluid motor
11/1991
11/14/1991DE4014995A1 Central rotor for electricity generation with water recirculation - develops centrifugal force driving water through peripheral turbines discharging onto rim of coaxial collector plate
11/13/1991CN1056151A Cylindrical float machine
11/13/1991CN1014739B Dynamic energy output method of natural flow force of wave in river or sea and its hinge-type water turbine
10/1991
10/24/1991DE4012375A1 Water operated power generator - uses propeller or bucket wheel assembly having little effect on flow
10/23/1991EP0452601A1 Buoyancy motor
09/1991
09/24/1991US5051059 Fluid powered electric generator having hinged vane rotor
09/19/1991DE4007888A1 Energy generation device - drives first mass up inclined plane by torque applied by second mass
09/17/1991US5048356 Wobble device
09/12/1991DE4007550A1 Method of utilising the energy of falling water - enables falling water to drive turbine with actuator operated by compressed air to move water
08/1991
08/08/1991DE4003684A1 Water power converter with compressor-container and turbogenerator - includes control valves and highly mobile pressure plate lifted by flooding container between vertical guides
06/1991
06/27/1991WO1991009224A1 Apparatus for providing motive power
06/08/1991CA2030853A1 Power generating unit for hydroelectric power generation
06/05/1991CN1051964A Power generator with no energy loss and pollution
05/1991
05/29/1991CN1051780A Gravity energy machine
05/23/1991DE4021198A1 Flowing water power-generating machine - has hinging blades on spacers between chains running round sprockets
05/16/1991WO1991007587A1 Water current energy converter
05/16/1991CA2068717A1 Water current energy converter
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