Patents for F03B 7 - Water wheels (847)
08/2002
08/20/2002US6434941 Ordinary temperature heat engine
08/13/2002US6431821 High torque impulse turbine
07/2002
07/18/2002WO2002055876A1 Bladed water wheel
07/03/2002CN2498372Y Power station by running water in river
03/2002
03/07/2002DE10040940A1 Water wheel to produce energy has each stage with at least one blade axis on at least one radial and another blade axis on secant parallel to radial
02/2002
02/20/2002EP1180213A1 Generation of energy with fluid
12/2001
12/05/2001CN2463555Y Automatic power supply unit for flow-adjustable water heater
10/2001
10/24/2001CN1073487C In-situ welding method for assembling split wheels of large-scale mixed turbine
10/10/2001CN1316588A Electric generating ship using regenerated energy
08/2001
08/02/2001WO2001055589A1 Habitat hydro scheme
08/02/2001CA2398762A1 Habitat hydro scheme
07/2001
07/19/2001DE10101261A1 Water wheel to produce mechanical or electrical energy, roll-form body complete with blades and bearing of which is lighter than water
06/2001
06/12/2001US6246125 Portable wind and hydro electric generating system
05/2001
05/23/2001CN1296125A Vertical axle movable blade type energy-collecting impeller
04/2001
04/03/2001US6210113 Water wheel turbine for water power stations
03/2001
03/28/2001CN1289008A Enerlgy reusing power mechanism for hydroelectric station
03/27/2001US6208037 Waterwheel-driven generating assembly
03/27/2001US6206630 High torque impulse turbine
03/07/2001CN2422490Y Sealing device of mainshaft for horizontal water turbine
01/2001
01/11/2001DE19933467A1 Vane rotor for energy generation, e.g. water mill, windmill, etc. has rotor blades with plates to form closed surface on front and open surface on back of blade
01/11/2001DE19932337A1 Toothed roller water wheel comprises a rotating roller positioned on a rigid axis, guiding pipes for receiving the axis on its outer sides, and a current generator
11/2000
11/22/2000CN2407151Y Electric power generator in river
11/09/2000DE19919671A1 Transportable water wheel or turbine arrangement for temporary installation in a river bed to harness hydro-power comprises a water wheel or turbine, mounted on a base
09/2000
09/28/2000WO2000028210A9 Generation of energy with fluid
05/2000
05/18/2000WO2000028210A1 Generation of energy with fluid
05/18/2000CA2350752A1 Generation of energy with fluid
05/11/2000DE19850948A1 Power generating unit with an under-driven water wheel comprises a trough with a horizontal bottom section and vertical sides bounding the water stream supplied to the wheel
03/2000
03/22/2000CN1247942A Vertical-plate and driving band type water turbine
12/1999
12/29/1999WO1999067531A1 Pipelike power generating apparatus
12/16/1999WO1999064741A1 Room temperature heat engine
12/16/1999WO1999056017A3 High torque impulse turbine
11/1999
11/04/1999WO1999056017A2 High torque impulse turbine
10/1999
10/14/1999WO1999051876A1 Water wheel turbine for water power stations
10/14/1999CA2293542A1 Water wheel turbine for water power stations
10/13/1999EP0940576B1 Waterwheel
10/06/1999CN2342124Y Fluid wheel
09/1999
09/08/1999EP0940576A1 Waterwheel
08/1999
08/18/1999CN2334118Y Multi-stage compressed-air generating equipment using wave energy as power energy
08/18/1999CN2333832Y High-efficiency hydraulic impeller
06/1999
06/02/1999CN2321955Y Shaft sealing water-stopping device for hydraulic turbine
03/1999
03/16/1999US5882143 Low head dam hydroelectric system
03/10/1999CN2310167Y Multi-stage tandem water turbine
03/10/1999CN2310166Y Liquid driven wheel device
11/1998
11/11/1998EP0530315B1 Free-yaw, free-pitch wind-driven electric generator apparatus
09/1998
09/24/1998WO1998041757A1 Slide vane vertical water wheel
09/23/1998CN2292170Y Double-body shaped hydroelectric generating ship
09/02/1998CN2290143Y Shipborne river power generation device
09/01/1998US5800123 Bladed pump capstan
05/1998
05/26/1998US5755553 Water turbine
04/1998
04/16/1998DE19708636A1 Generator to recover regenerative energy potential in flowing water
04/09/1998WO1998014054A1 Power supply device
09/1997
09/04/1997DE19607592A1 Flow turbine using air and water flows for electricity production or work power
02/1997
02/20/1997WO1997006366A1 Waterwheel-driven generating unit
05/1996
05/21/1996CA2082585C Free-yaw, free-pitch wind-driven electric generator apparatus
05/02/1996DE4438400A1 Counterflow system for making waves
04/1996
04/24/1996EP0708240A1 Water mill
04/17/1996EP0533934B1 Hydraulic power device
11/1995
11/08/1995CN2212091Y Arc inclined shape blade water wheel
09/1995
09/21/1995DE19507149A1 Water force screw conveyor
08/1995
08/08/1995US5440175 Waterwheel-driven generating unit
08/02/1995CN1106108A In-situ welding method for assembling split wheels of large-scale mixed turbine
07/1995
07/04/1995US5430332 Method of adjustably damming a flowing body of water
04/1995
04/22/1995CA2133952A1 Water turbine
02/1995
02/09/1995DE4340603A1 Device for generating electrical power (electrical energy)
09/1994
09/07/1994CN1025879C A high-strength sintered composite ceramic body having excellent toughness and errosion resistance and process for preparation thereof
06/1994
06/09/1994DE4241082A1 Power generating plant utilising flowing waters - consists of one or two bucket wheels, connected to generators
02/1994
02/17/1994DE4313509A1 Water power generation plant - has water-wheel bolted onto gearbox input shaft flange with gearbox casing bolted to strut on wall
10/1993
10/13/1993EP0530315A4 Free-yaw, free-pitch wind-driven electric generator apparatus
08/1993
08/25/1993CA2061768A1 Variable undershot waterwheel
06/1993
06/02/1993CN1021074C Hydraulic turbine
06/01/1993CA1318569C Liquid driven turbine
03/1993
03/31/1993EP0533934A1 Hydraulic power device
03/10/1993EP0530315A1 Free-yaw, free-pitch wind-driven electric generator apparatus
02/1993
02/18/1993DE4143303A1 Cross-flow rotor structure - has blade-ring frame fully integrated in lattice-work structure
01/1993
01/12/1993US5178518 Free-yaw, free-pitch wind-driven electric generator apparatus
12/1992
12/24/1992DE4226475A1 Water wheel to generate electricity - has generator, with drive shaft forming wheel hub, and wheel centre of gravity in drive shaft bearing
10/1992
10/13/1992US5154566 Perfected hydraulic machine preferably for minimum height waterfalls
10/01/1992WO1992016744A1 Hydraulic power device
08/1992
08/11/1992US5137423 Hydraulic turbine
07/1992
07/29/1992CN1017640B Energy converter
07/22/1992CA2057814A1 Pump
04/1992
04/30/1992DE4124983A1 Support structure for cross current drum runner - absorbs bending and torsional forces and uses draw anchors, distance tubes, cross bars and two module plates
03/1992
03/26/1992DE4029760A1 Rapid exchange coupling for water wheels - is of rhomboidal insert type and is used with drum-type wheels on horizontal shaft
03/04/1992CA2049775A1 Hydraulic turbine
01/1992
01/23/1992DE4022625A1 Irrigation water supply system for arid regions - uses locally available materials, without engines or wind turbines
01/01/1992CN1057505A High-strength sintered composite ceramic body having excellent toughness and errosion resistance and process for preparation thereof
11/1991
11/28/1991WO1991018203A1 Free-yaw, free-pitch wind-driven electric generator apparatus
05/1991
05/15/1991EP0427176A1 Perfected hydraulic machine preferably for minimum height waterfalls
05/07/1991CA2029223A1 Perfected hydraulic machine preferably for minimum height waterfalls
11/1990
11/27/1990US4973856 Hydroelectric generator system
06/1990
06/07/1990DE3938748A1 Water-wheel with circular blades - which pass through curved cylinder through which water flows
05/1990
05/08/1990US4923368 Liquid driven turbine
08/1989
08/17/1989DE3803147A1 Apparatus for generating electrical energy from water from water-treatment plants
05/1989
05/11/1989DE3736638A1 Underwater energy conversion apparatus
05/11/1989DE3735841A1 Device for generating electrical energy at barrage weirs with locks
05/10/1989CN2037397U Reversible waterpower machine
04/1989
04/26/1989CN1032535A High strength sintering composite ceramic body with fine toughness and resist erosion function
03/1989
03/22/1989CN2034625U Automatic control wind-driven generator
02/1989
02/23/1989DE3726275A1 Floating small water power stations
01/1989
01/10/1989CA1248430A1 Energy converter
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