Patents for F03B 5 - Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction (183)
04/2009
04/07/2009CA2395211C Viscous drag impeller components incorporated into pumps, turbines and transmissions
03/2009
03/17/2009US7504740 Magnus type wind power generator
03/12/2009DE202009000184U1 Modulare Wasserkraftwerk-Vorrichtung Modular Hydroelectric device
02/2009
02/12/2009WO2009019291A1 Perfected submersible hydraulic motor structure, particularly for pressurized systems
12/2008
12/16/2008US7465123 Water circulation apparatus to reduce evaporation
11/2008
11/12/2008CN101305184A Fluid energy converter
11/06/2008WO2008134168A1 Method and apparatus for enabling control of fuel injection for an engine operating in an auto-ignition mode
11/06/2008WO2007136938A3 An efficient power turbine and electrical generation system
10/2008
10/16/2008US20080253905 Molten Metal Pump
10/09/2008DE102006061768A1 Hydraulikturbine mit rotierender Lochscheibe Hydraulic turbine with rotating perforated disc
07/2008
07/02/2008EP1937965A2 Tubular fluid energy converter
03/2008
03/12/2008EP1706635B1 Rolling fluid machine especially with a liquid spraying at the output
12/2007
12/11/2007US7306728 Rotor and methods of use
08/2007
08/09/2007WO2006121698A3 Devices and methods for displacing biological fluids incorporating stacked disc impeller systems
07/2007
07/19/2007WO2007044128A3 Fluid energy converter
07/10/2007US7241106 Combined cycle boundary layer turbine
05/2007
05/02/2007EP1778986A2 Molten metal pump
04/2007
04/19/2007WO2007044128A2 Fluid energy converter
04/19/2007CA2620880A1 Fluid energy converter
03/2007
03/07/2007EP1242719B1 Viscous drag impeller components incorporated into pumps, turbines and transmissions
01/2007
01/31/2007CN1904351A Pressure water cushion type biscrew hydraulic turbine
01/23/2007US7165931 Compact molecular-drag vacuum pump
01/04/2007WO2007000122A1 Liquid machine
12/2006
12/28/2006WO2005081766A3 Bladeless conical radial turbine and method
12/19/2006US7151336 Rotor of reluctance motor
12/07/2006DE202006014802U1 Water wheel for driving installations, machine, appliances has cavities in it to take high pressure water and drive the appliance using polygonal drive shaft with couplings positioned at center of wheel
10/2006
10/04/2006EP1706635A1 Rolling fluid machine especially with a liquid spraying at the output
08/2006
08/29/2006US7097431 Mechanical kinetic vacuum pump
08/08/2006US7086827 Turbo molecular high-vacuum pump with a circular intake area
05/2006
05/23/2006CA2485929A1 Hydro dyne generator
04/2006
04/25/2006US7033132 Bladeless pump
04/13/2006US20060078436 Pump or turbine drive unit comprising such a pump or turbine and outboard motor
03/2006
03/29/2006CN1754045A Pump or turbine, drive unit comprising such a pump or turbine and outboard motor
03/07/2006US7008176 Molecular speed and direction selection
02/2006
02/09/2006CA2573137A1 Molten metal pump
12/2005
12/29/2005WO2005124148A1 Water power machine with several helically-wound water guide ducts
11/2005
11/23/2005EP1597810A2 Pump or turbine, drive unit comprising such a pump or turbine and outboard motor
11/22/2005CA2268793C Fluid machine
11/10/2005WO2005106205A1 Bladeless fluid machine
10/2005
10/19/2005CN2734541Y Hydraulic actuator
09/2005
09/29/2005US20050214110 Method of driving and drive mechanism utilizing surface tension difference convection generated in two fluids having an interface
08/2005
08/04/2005WO2005071256A1 Rolling fluid machine especially with a liquid spraying at the output
07/2005
07/20/2005CN1641211A Hydraulic engine
06/2005
06/30/2005US20050140238 Rotor of reluctance motor
06/01/2005EP1536132A2 Turbine for a hydraulic power plant
05/2005
05/12/2005WO2005042970A1 Two fold spiral turbine
04/2005
04/14/2005WO2005033504A1 Hydraulic motor for driving rotational tools
01/2005
01/27/2005DE10329465A1 Immersed water power generator for extracting power from wave energy has Archimedes screw whose screw thread is divided into individual vanes with vane profile attached to axle at distance apart
10/2004
10/21/2004WO2004077639A3 Pump or turbine, drive unit comprising such a pump or turbine and outboard motor
09/2004
09/10/2004WO2004077639A2 Pump or turbine, drive unit comprising such a pump or turbine and outboard motor
03/2004
03/09/2004US6702038 Hydraulic motor
03/2003
03/19/2003EP1082538B1 Hydraulic motor
03/12/2003CN1102999C 液压马达 Hydraulic motor
01/2003
01/02/2003EP1268984A2 High efficiency turbine
08/2002
08/20/2002US6434944 High efficiency turbine
07/2002
07/17/2002CN1087813C Rolling fuid machine
06/2002
06/05/2002EP1015760B1 Rolling fluid machine
11/2001
11/07/2001CN1320768A Positive-displacement water turbine
10/2001
10/11/2001US20010027652 High efficiency turbine
07/2001
07/04/2001CN1302355A 液压马达 Hydraulic motor
05/2001
05/22/2001US6233942 Condensing turbine
05/03/2001WO2001006095A3 High efficiency turbine
03/2001
03/14/2001EP1082538A1 Hydraulic motor
01/2001
01/25/2001WO2001006095A2 High efficiency turbine
01/25/2001CA2379761A1 High efficiency turbine
01/18/2001DE19929889A1 Fluid-based energy transfer system, in which fluids do not come into contact with each other
10/2000
10/31/2000US6139267 Fluid machine
07/2000
07/05/2000EP1015760A1 Rolling fluid machine
03/2000
03/02/2000WO2000011322A1 Multipurpose propeller with vectored impulses
12/1999
12/02/1999WO1999061790A1 Hydraulic motor
12/02/1999CA2333029A1 Hydraulic motor
10/1999
10/27/1999CN1233315A Rolling fluid machine
10/06/1999CN2342124Y Fluid wheel
04/1998
04/30/1998WO1998017910A1 Rolling fluid machine
07/1997
07/08/1997CA2030869C Vacuum pump control apparatus for an evacuating type waste water collecting system
03/1996
03/05/1996US5496149 Thin plate turbine
06/1991
06/12/1991EP0431460A1 Vacuum pump control apparatus for an evacuating type waste water collecting system
12/1990
12/06/1990DE3917974A1 Compact hydroelectric power station - has control rotor mounted in convergent-divergent conical stator
12/1988
12/21/1988CN87215292U Axle gear water turbine
12/1986
12/16/1986US4629395 Fluid-powered rotary motor
03/1983
03/29/1983US4378195 Pressure fluid motor
04/1981
04/14/1981US4262211 Liquid storage device and energy generator
11/1980
11/11/1980US4232991 Rotary motor
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