| Patents for F03B 15 - Controlling (1,832) |
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| 05/22/2008 | US20080118343 Combustion control for a gas turbine |
| 05/21/2008 | CN101182827A Double pumps displacement water turbine speed regulating means |
| 05/15/2008 | US20080112789 Method and Device for Using Wind Energy |
| 05/14/2008 | CN201059240Y Hydroelectric generating set overrun protecting equipment |
| 05/14/2008 | CN101178051A Cave system differential surge chamber |
| 05/14/2008 | CN100387831C Pump hydroturbine |
| 05/07/2008 | EP1917435A2 Sewer line power generating system |
| 05/07/2008 | CN100386515C Water pump hydroturbine and its control method and method for making hydroturbine stop |
| 04/24/2008 | US20080093458 Advanced fan control and identification system and method |
| 04/24/2008 | DE102006049490A1 Direct current motor operating control circuit for wind- or water power plant, has stopping brake that is connected either with three-bridge power inverter or emergency operation supply device over emergency operation-brake-switching unit |
| 04/17/2008 | WO2008045237A2 Wind power converting apparatus and method |
| 04/17/2008 | US20080089775 Plasma blade tip clearance control |
| 04/16/2008 | CN101162011A Wind power, water flow dual-purpose generator |
| 04/15/2008 | US7357622 Method and installation for extracting energy from a flowing fluid |
| 04/10/2008 | US20080085179 Wind power converting apparatus and method |
| 04/09/2008 | EP1907691A1 Turbine wheel for cross-flow turbines |
| 04/03/2008 | DE102007039293A1 Regulierbares Transmissionssystem und Verfahren dafür Independent Transmission System and method therefor |
| 04/02/2008 | EP1904689A1 A blade pitch control mechanism |
| 03/19/2008 | CN201037443Y Escapement speed-control water wheel generating device |
| 03/12/2008 | EP1706635B1 Rolling fluid machine especially with a liquid spraying at the output |
| 03/12/2008 | CN101139971A Small hydropower water regime operation system |
| 03/04/2008 | US7339284 Apparatus for generating electrical power from tidal water movement |
| 02/27/2008 | CN101131146A Paddle wheel weir tidal power plant and equipment thereof |
| 02/27/2008 | CN101131144A Hydraulic propeller of pressure-regulating speed-changing draught fan used for energy-saving cooling tower |
| 02/21/2008 | US20080044272 Utilizing alternative energy |
| 02/20/2008 | CN201025232Y Mechanical hydraulic pressure system with speed adjuster capable of automatic center recovery function |
| 02/20/2008 | CN201025219Y Hydraulic pressure controlled multi-spraying mouth device for impact water wheel machine |
| 02/13/2008 | CN101122276A 流体发动机 Fluid engine |
| 02/06/2008 | CN201016985Y Water turbine programmable rotation rate signal apparatus based on voting output mode |
| 01/30/2008 | CN101113715A Main pressure-distribution valve for hydroturbine electrohydraulic governor |
| 01/24/2008 | WO2008009553A1 Switching device for underwater turbine |
| 01/24/2008 | US20080019824 Fan and impeller thereof |
| 01/24/2008 | CA2658271A1 Switching device for underwater turbine |
| 01/23/2008 | EP1881193A1 Switching device for underwater turbine |
| 01/10/2008 | WO2007073469A3 Wide bandwidth farms for capturing wave energy |
| 01/09/2008 | CN201003462Y Horizontal self-centering hydraulic control main pressure dividing valve |
| 01/09/2008 | CN201003461Y All-hydraulic controlled air inlet protection control device for oil pressure system |
| 01/03/2008 | WO2008001501A1 Hydroelectric power generation device |
| 01/03/2008 | US20080003095 Systems and Methods for Detecting Undesirable Operation of a Turbine |
| 12/27/2007 | WO2007147254A1 Adjustable weir for hydroelectric dam installations |
| 12/27/2007 | WO2005111412A3 Self-calibrating fan |
| 12/25/2007 | US7310944 Wave energy converters (WECs) with velocity multiplication |
| 12/19/2007 | CN200993074Y Intake protection control device for oil hydraulic system electrohydraulic control |
| 12/12/2007 | CN101086244A Weir (lower digging) semi-opening horizontal water turbine power device |
| 12/06/2007 | WO2007138968A1 Hydroelectric power generator |
| 12/05/2007 | CN200985858Y Mechanical hydraulic controlled type self-ressetting main pressure distributing valve |
| 12/04/2007 | US7304400 Power generating system and its control method |
| 11/22/2007 | US20070269306 Fluid rotor with energy enhancements power generator |
| 11/21/2007 | CN200978772Y Turbine hydraulic manipulator |
| 11/14/2007 | EP1853819A2 Dual inlet rotary tool |
| 11/13/2007 | CA2174569C Asynchronous conversion method and apparatus for use with variable speed turbine hydroelectric generation |
| 11/08/2007 | CA2646842A1 Louvered horizontal wind turbine |
| 11/01/2007 | US20070253805 Method for operating a turbocompressor |
| 10/24/2007 | CN200964925Y Automatic closing device for water turbine generator |
| 10/24/2007 | CN101059114A Water-jet type engine structure and its working process |
| 10/17/2007 | CN200961560Y Hydraulic inner-feedback self-reset main pressure-dividing valve |
| 10/17/2007 | CN200961559Y Manual and electric speed regulator for hydraulic turbine |
| 10/11/2007 | CA2646326A1 Jet motor and method for providing rotation in a downhole tool |
| 10/10/2007 | CN200958458Y Accident pressure-distributing valve of speed-adjusting system for connected valve hydraulic turbine with valve-core opening fixed |
| 10/04/2007 | US20070231117 Two-way generation tidal power plant with one-way turbines |
| 10/03/2007 | CN100340765C Power transmission device |
| 09/27/2007 | US20070224029 Blades for a Vertical Axis Wind Turbine, and the Vertical Axis Wind Turbine |
| 09/26/2007 | CN101042107A Control regulating apparatus for cascade hydropower station combined operating frequency and water level between stations |
| 09/25/2007 | CA2492354C Flow control valve |
| 09/13/2007 | DE202006010273U1 Düse mit Absperrorgan in einer Pelton- oder Turgoturbine Nozzle with valve in a Pelton or Turgoturbine |
| 09/13/2007 | DE102006010852A1 Storage power station power-controlling method, involves constantly updating determination of best operation combination with smallest power dissipation sum of involved pump storage sets |
| 09/06/2007 | US20070207029 Fluid force taking-up and boosting apparatus |
| 09/05/2007 | CN200943561Y Manual and electric speed regulator for impact and incline impact type water turbine |
| 09/05/2007 | CN101029622A Speed-variable hydraulic-turbine generator |
| 08/29/2007 | EP1646785B1 Method of operation for a self-protecting wave energy conversion plant |
| 08/22/2007 | CN2937536Y Expansion propeller current energy generating device |
| 08/22/2007 | CN101021199A Curved rope wheel wave energy conversion and power generating system |
| 08/22/2007 | CN101021197A Blast furnace cooling water backwater top pressure power generation |
| 08/22/2007 | CN101021196A Gantry frame type non-dam scoop blade rotary wheel hydraulic power generator |
| 08/21/2007 | US7258523 Means to regulate water velocity through a hydro electric turbine |
| 08/15/2007 | CN2934640Y Highly oil-hydraulic kaplan turbine speed regulator |
| 08/14/2007 | US7256512 Variable aperture velocity augmented ducted fan wind turbine |
| 08/09/2007 | US20070183885 Method for optimizing the operation of a wind turbine |
| 08/08/2007 | CN2931838Y Blade-rotating hydropower ship |
| 08/01/2007 | CN2929234Y Complex controller of adaptive water wheel generator set |
| 08/01/2007 | CN2929233Y Main pressure distributing valve of water turbine speed regulator |
| 07/25/2007 | CN2926567Y Connected shutter of multi-nozzle impacting turbine |
| 07/19/2007 | US20070166147 Wind Turbine to produce ellectricity |
| 07/17/2007 | US7245042 Auxiliary wind energy generation from a wind power generation apparatus |
| 07/11/2007 | CN2921348Y Water turbine set in hydropower station for dry season use |
| 07/11/2007 | CN2921345Y Split oil acceptor for water turbine |
| 07/11/2007 | CN1995741A Automatic speed regulating and power-off system for hydropower station |
| 07/11/2007 | CN1325790C Water putertical power generating mechanism |
| 07/10/2007 | US7242106 Method of operation for a self-protecting wave energy conversion plant |
| 07/10/2007 | US7241105 Watercraft with vertically collapsible vertical axis wind turbine and propeller flexible drive shaft |
| 07/05/2007 | US20070156361 Self calibrating fan |
| 06/21/2007 | US20070140829 Modular Hydraulic or Hydroelectric Machine |
| 06/12/2007 | WO2007137426A1 Wave energy converter |
| 06/05/2007 | CA2366366C Method for controlling charging maneuvers in a hydroelectric installation with a surge tank |
| 05/30/2007 | CN1973128A Modular hydraulic or hydroelectric machine |
| 05/16/2007 | CN1963183A Automatically-adjustable power generation device from sea current |
| 05/09/2007 | EP1781944A1 Hydroelectric turbine with collapsile shroud |
| 04/25/2007 | CN2893205Y Multi-protection emergency stop valve |
| 04/25/2007 | CN2893204Y Air braking integrated valve |
| 04/25/2007 | CN2893203Y Micromotor rolling guide type servo proportional valve |