| Patents for F03B 15 - Controlling (1,832) |
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| 05/27/1998 | CN1182850A Cam direct control main pressure-distribution valve device for water turbine speed regulator step motor |
| 05/19/1998 | US5754446 Method and apparatus for optimizing performance of a kaplan turbine |
| 04/22/1998 | CN1179509A Air feeder for hydraulic machinery |
| 04/21/1998 | US5742515 Asynchronous conversion method and apparatus for use with variable speed turbine hydroelectric generation |
| 02/25/1998 | EP0825344A1 Method and apparatus for optimizing performance of a kaplan turbine |
| 02/04/1998 | EP0822332A1 Hydraulic power station |
| 01/29/1998 | WO1998003792A1 Pump-turbine system |
| 07/01/1997 | CA2069161C Method and apparatus for optimizing the operating parameters of a double-regulated water turbine |
| 06/18/1997 | CN2256609Y Full digital generator group microcomputer speed regulator |
| 04/09/1997 | EP0766787A1 Cushioned dual-action constant speed wave power generator |
| 03/13/1997 | DE19636620A1 Hydraulic turbine or pump with two counter-rotating rotors |
| 01/09/1997 | DE19524889A1 Current generator drive turbine |
| 11/26/1996 | CA2091483C Hydroelectric plant draft tube water level control |
| 10/23/1996 | EP0739087A2 Asynchronous conversion method and apparatus for use with variable speed turbine hydroelectric generation |
| 10/03/1996 | WO1996030646A1 Cushioned dual-action constant speed wave power generator |
| 10/01/1996 | US5561358 Variable speed pumping-up generator |
| 06/27/1996 | DE4446621A1 Frequenzgeregelter Stellmotor Frequency-controlled servomotor |
| 03/14/1996 | DE4432384A1 Free jet turbine for current generator drive |
| 12/05/1995 | US5472312 Water level regulating system |
| 10/10/1995 | US5456115 Method of counterflow through a pump and method of controlling the operation of a pump in a pumping installation |
| 07/25/1995 | US5436507 Hydroelectric plant draft tube water level control |
| 06/13/1995 | US5424582 Cushioned dual-action constant speed wave power generator |
| 03/28/1995 | US5402332 Method for optimizing the efficiency of a set of machines comprising a turbine and a generator |
| 03/22/1995 | EP0644331A1 Method of efficiency optimisation for a water turbine |
| 09/28/1994 | CN1092847A Method for majorization of effect of group of water turbine and motor |
| 09/21/1994 | EP0616277A2 Water level regulating system |
| 06/21/1994 | US5322412 Method and apparatus for optimizing the operating parameters of a double-regulated water turbine |
| 03/30/1994 | CN2160021Y Manual braking machine for small horizontal water turbogenerator group |
| 02/02/1994 | CN2154919Y Distance controller of miniature water turbogenerator |
| 01/26/1994 | CN2154560Y Miniature water turbogenerator group with automatic water controll and voltage-stabilizing |
| 12/23/1993 | DE4220255C1 Efficiency improvement method for water turbine generating set - uses results from model testing to determine pitch angles for guide wheel and runner |
| 11/03/1993 | CN2145266Y Braking control device for water turbogenerator |
| 07/22/1993 | DE4201317A1 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 |
| 06/25/1993 | CA2085410A1 Agricultural film |
| 05/26/1993 | EP0543071A1 A distributor for a reaction water turbine |
| 03/23/1993 | CA1314787C Pelton turbine |
| 03/17/1993 | CN1020124C Pump system operable by variable-speed control |
| 03/16/1993 | US5193654 Hydrodynamic retarder with shiftable stator blade wheel |
| 01/14/1993 | DE4139250A1 Water driven power generator - has wheel of water turbine connected to generator via transmission gear with oil-hydraulic plate coupling between gear and generator |
| 01/13/1993 | CA2073357A1 Water power station |
| 12/23/1992 | EP0519530A1 Procedure for optimizing the working parameters of a double controlled hydraulic turbine |
| 11/11/1992 | CN1019039B Domestic miniature current velocity generator |
| 11/03/1992 | US5160244 Pump system operable by variable-speed control |
| 10/14/1992 | EP0508037A1 Procedure for controlling small hydro-electric plants |
| 10/07/1992 | CN2118172U Multi spray nozzle dual regulating control mechanism |
| 10/06/1992 | CA1308459C Variable speed pumping-up electrical power system |
| 08/26/1992 | EP0499806A1 Hydro-electric plant |
| 08/06/1992 | WO1992013191A1 Generating plant driven by tidal energy |
| 05/05/1992 | CA1299944C Governor device |
| 02/25/1992 | US5090872 Method of controlling the operation of a pump in a pumping installation by detecting counterflow |
| 02/05/1992 | CN1015397B Pneumatic wave power device |
| 11/19/1991 | US5066191 Turbine with control system |
| 08/28/1991 | CN2083642U Microcomputer controlled multi-function hydraulic engine set |
| 07/18/1991 | DE4100690A1 Low pressure turbine regulating system - has rotor guide body consisting of rotor ring and regulator ring |
| 07/03/1991 | EP0435182A2 Control system for high-efficiency operation of generating units in hydroelectric power stations |
| 06/25/1991 | US5026256 Variable speed pumping-up system |
| 05/29/1991 | CN1012697B Automatically closing mechanical type water turbine controller |
| 04/24/1991 | CN1050922A Gas-closed limiting surface upright shaft seal |
| 02/20/1991 | CN1049396A Pump system operable by variable-speed control |
| 02/13/1991 | CN1011609B Flow rate increment device |
| 02/05/1991 | US4989495 Hydraulic positioning system with normal and high supply and exhaust flow paths |
| 12/27/1990 | EP0303655B1 Centrifugal action turbine |
| 11/13/1990 | CA1276266C Device for reducing the lag in position of a non linear copying system for a regulation loop |
| 10/17/1990 | CN1010043B Preventer of incontrollable rotating speed of hydroelectric generator |
| 09/25/1990 | US4958986 Centrifugal action turbine |
| 08/21/1990 | US4950130 Pelton turbine |
| 07/31/1990 | CA1272271A1 Establishing synthesis validity between two signal sources |
| 07/18/1990 | EP0377631A1 An adjustment device for obtaining the maximum efficiency for water turbines |
| 07/17/1990 | US4941771 Hydroelectric plant |
| 06/06/1990 | CN1008230B Automatic travel speed control for harvesting machine |
| 05/09/1990 | CN1041991A Domestic miniature current velocity generator |
| 04/24/1990 | US4920277 Control system for a variable speed hydro-power plant apparatus |
| 04/11/1990 | EP0363309A1 Pelton turbine |
| 04/10/1990 | CA1267692A1 Vane angle adjustment method of controlling operation of hydro turbine |
| 03/06/1990 | CA1266506A1 Control apparatus for variable-speed hydraulic power generating system |
| 02/21/1990 | CN1006924B Variable speed water raising shenerate electricity arrangement |
| 01/10/1990 | CN2050975U Multiway force gauge for preventing pressure drop of liquid injection |
| 07/19/1989 | CN2041367U Speed regulator of water trubine with simple structure and energy-saving features |
| 06/21/1989 | EP0320718A1 Variable speed pumping-up system |
| 06/15/1989 | WO1989005402A1 Turbine with control device and use of said turbine |
| 06/07/1989 | EP0319464A1 Turbine with a control device, and its use |
| 04/18/1989 | US4823018 Control system for variable speed water-wheel generator apparatus |
| 03/28/1989 | US4816696 Variable-speed pumped-storage power generating system |
| 03/23/1989 | WO1989002530A1 An adjustment device for obtaining the maximum efficiency for water turbines |
| 03/14/1989 | CA1251144A1 Process and device for limiting the overspeed of a low head hydroelectric generating set |
| 02/22/1989 | EP0303655A1 Centrifugal action turbine. |
| 02/21/1989 | US4806781 Water-driven machine set with the speed reference value set for optimum efficiency |
| 02/15/1989 | EP0303170A2 Control system for a variable speed hydro-power plant apparatus |
| 01/31/1989 | CA1249630A1 Pumping-up generator/motor system and method of operation of the same |
| 01/25/1989 | CN1030632A New preventer of incontrollable rotating speed of hydroelectric generator |
| 01/10/1989 | US4797074 Governor device |
| 01/04/1989 | EP0297879A2 Motor speed controller for a pressure fluid-operated motor |
| 12/27/1988 | US4794544 Method and apparatus for automatically index testing a kaplan turbine |
| 12/13/1988 | US4791309 Electrical control systems |
| 12/13/1988 | US4790135 Steady operation method for hydraulic machine operating at variable speed |
| 11/29/1988 | CA1245717A1 Control system for run-of-river hydroelectric plant |
| 11/01/1988 | US4781064 Protection for hydraulic machines |
| 10/26/1988 | CN87215693U All-alloy corrosion proof device for petroleum pump |
| 09/20/1988 | US4772157 Liquid level control system and method of operating the same |
| 08/25/1988 | WO1988006239A1 Centrifugal action turbine |