| Patents for F03B 15 - Controlling (1,832) |
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| 08/11/1988 | DE3702719A1 Device in the flow into spiral-casing pumps used as turbines |
| 07/12/1988 | US4756663 Method for operating pumps |
| 06/28/1988 | US4754156 Control apparatus for variable-speed hydraulic power generating system |
| 06/28/1988 | US4754155 Hydroelectric generator having retractable runner |
| 06/07/1988 | US4749928 Device for reducing the lag in recovery of a non-linear subsidiary controller |
| 05/18/1988 | CN87209747U Filter system unit of auto-control water-wheel generator set |
| 05/10/1988 | US4743827 Variable speed pumping-up electrical power system |
| 05/10/1988 | US4743826 Pumping-up generator/motor system and method of operation of the same |
| 05/10/1988 | US4743160 Process and device for limiting the overspeed of a low head hydroelectric generating set |
| 04/28/1988 | DE3635320A1 Device for reducing the water pressure in the feed line of a storage tank |
| 03/30/1988 | CN85101368B Speed-regulatable waterpower electric power generation system contral method and device |
| 01/26/1988 | US4722061 Method of synthesizing signals |
| 12/22/1987 | US4714402 Mechanism for actuating deflector of Pelton wheel |
| 11/25/1987 | CN87103153A Variable speed water raising ghenerate electricity arrangement |
| 11/24/1987 | US4708594 Method of starting a variable-speed pump turbine or a variable speed pump |
| 11/19/1987 | EP0245777A2 Control system for variable speed water-wheel generator apparatus |
| 11/04/1987 | EP0243937A1 Variable-speed pumped-storage power generating system |
| 10/14/1987 | CN86102310A Automatically closing mechanical type water turbine controller |
| 09/08/1987 | US4692090 Multistage hydraulic machine |
| 09/03/1987 | DE3606314A1 Adjusting device for controlling water turbines |
| 08/19/1987 | CN86100506A Flow rate increment device |
| 08/12/1987 | CN86204211U High-pressure manipulator for hydraulic machinery |
| 08/05/1987 | EP0230636A1 Hydro-electric generating set with preadvanced optimal efficiency of the required notation values |
| 08/04/1987 | US4683718 Method and apparatus for monitoring hydro turbine plants |
| 08/04/1987 | CA1225118A1 Low lead hydroelectric installation |
| 07/23/1987 | DE3601289A1 Power regulation of a water-driven machine set |
| 06/23/1987 | US4674279 Control system for run-of-river hydroelectric plant |
| 04/29/1987 | CN86204628U Closing down system in case of alternating current accident |
| 02/11/1987 | CN86200088U Brake for water wheel generator |
| 02/03/1987 | US4641040 Low-head hydroelectric installation |
| 02/03/1987 | US4640664 Methods of controlling operation of multistage hydraulic machines |
| 01/24/1987 | CN85101646A Automatic travel speed control for a harvesting machine |
| 01/24/1987 | CN85101368A Speed-regulatable waterpower electric power generation system-controlling method and apparatus |
| 01/07/1987 | EP0207866A1 Pump starting method by means of a pump functioning as a turbine |
| 12/16/1986 | US4629904 Micro-hydroelectric power plant |
| 12/16/1986 | US4629393 Method of operating multistage hydraulic machinery |
| 12/10/1986 | EP0204645A1 Hydraulic turbine power control method |
| 11/25/1986 | US4625125 Method and apparatus for controlling variable-speed hydraulic power generating system |
| 11/25/1986 | US4624622 Fail-safe system for a reversible pump-turbine apparatus |
| 11/05/1986 | EP0200081A2 Pumping-up generator/motor system and method of operation of the same |
| 09/09/1986 | US4610599 Apparatus for controlling a hydraulic turbine |
| 06/10/1986 | CA1205682A1 Start-up device for multistage pumps and turbopumps with steady diffuser |
| 03/25/1986 | US4578017 Method for stopping a multi-stage hydraulic machine |
| 03/12/1986 | EP0174287A1 A method and a device for monitoring hydro turbine plants |
| 02/04/1986 | US4568240 Method and apparatus for controlling multistage hydraulic machine |
| 10/23/1985 | EP0159152A1 Protection for hydraulic machines |
| 10/16/1985 | EP0158576A1 Method and device for controlling the frequency of an electric current |
| 09/03/1985 | US4538957 Multi-stage hydraulic machine and control method for multi-stage hydraulic machine |
| 08/27/1985 | US4537558 Multi-stage hydraulic machine and control method for a multi-stage hydraulic machine |
| 08/06/1985 | US4533835 Control apparatus for hydraulically driven generator |
| 07/30/1985 | CA1191232A1 Rotational speed controller for turbine or pump with dual setting |
| 05/15/1985 | EP0141372A1 Method and apparatus for controlling variable-speed hydraulic power generaton system |
| 03/05/1985 | US4502831 Method of controlling operation of multistage hydraulic machines |
| 01/29/1985 | US4496845 Method and apparatus for control of a turbine generator |
| 12/11/1984 | US4487549 Apparatus for controlling operation of hydraulic machine |
| 11/21/1984 | EP0125496A1 Water turbine |
| 10/31/1984 | EP0123480A1 A method of stopping a multi-stage hydraulic machine |
| 10/09/1984 | US4475865 Apparatus for controlling the operation of a water turbine or a pump turbine and a method thereof |
| 10/09/1984 | US4475334 Method of and system for controlling hydraulic turbine |
| 10/02/1984 | US4474528 Water wheel operation control method and apparatus therefor |
| 09/18/1984 | US4472105 Rotary type pumping machine |
| 09/18/1984 | US4472104 Operation control method for multistage regulated hydraulic machine |
| 09/18/1984 | US4472103 Multistage hydraulic machines and methods of controlling operations thereof |
| 08/28/1984 | US4468167 Method of operating water-turbine or pump water-turbine |
| 08/21/1984 | US4467216 Multiple fixed hydraulic geometry turbine control system |
| 02/14/1984 | US4431370 Multistage hydraulic machines having air exhausting devices |
| 02/07/1984 | US4430574 Method for switching operation of water wheel or pump water wheel |
| 01/11/1984 | EP0098047A1 Electrical control systems |
| 12/06/1983 | US4419047 Method of operation of a pump-turbine between part-load operation and reverse pumping operation |
| 11/02/1983 | EP0092580A1 Water turbine |
| 11/01/1983 | US4412779 Control method for multi-stage hydraulic machine |
| 10/11/1983 | US4408452 Pumping-up hydroelectric power plants |
| 09/27/1983 | US4406578 Method for operating pumps |
| 05/11/1983 | WO1983001656A1 Water turbine |
| 05/10/1983 | US4382745 Method of controlling wicket gates of a pump-turbine |
| 03/03/1983 | WO1983000721A1 Control system and nozzle for impulse turbines |
| 12/22/1982 | EP0067453A2 Apparatus for controlling operation of hydraulic machine |
| 12/14/1982 | US4363597 Method for operating pumps |
| 12/08/1982 | EP0066490A1 Frequency control device for a hydraulic power plant with a low head of water |
| 10/26/1982 | US4355949 Control system and nozzle for impulse turbines |
| 10/19/1982 | US4354800 Method of controlling pump turbine |
| 09/29/1982 | EP0061269A2 Multi-stage hydraulic rotating machine |
| 08/24/1982 | US4346304 Method of controlling operation of Francis type pump turbines |
| 08/17/1982 | US4344735 Method of controlling two-stage hydraulic pump-turbines |
| 08/11/1982 | EP0057402A2 Apparatus for controlling the operation of a water turbine or a pump turbine and a method thereof |
| 07/07/1982 | EP0055351A1 Electrohydraulic position drive for turbine valves |
| 05/25/1982 | US4331173 Hydraulic system for feeding an action turbine |
| 03/23/1982 | CA1120539A1 A.c. generating system driven by wind, water or fuel engine |
| 03/02/1982 | US4318004 Method of pumping up electric power generation and an apparatus therefor |
| 12/01/1981 | US4303370 Control apparatus and method of operating the same |
| 10/20/1981 | US4295782 Starting of pumps or turbopumps |
| 10/20/1981 | US4295781 Method for operating fluid machines in spinning-in-air mode |
| 09/29/1981 | US4292533 Motoring control for hydraulic pump-turbine |
| 09/01/1981 | US4287429 Apparatus for automatically controlling the active power produced by the generator of a hydraulic turbine-generator unit |
| 07/28/1981 | US4280788 Multistage hydraulic machine system and a method for controlling the operation thereof |
| 07/07/1981 | CA1104465A1 Hydraulic turbine control device |
| 05/12/1981 | US4267459 Method of operating a hydraulic turbine or a pump-turbine |
| 05/06/1981 | EP0028211A1 A hydro-electric power station |
| 03/31/1981 | CA1098583A1 Control installation for at least two hydraulic turbines |
| 03/10/1981 | US4255078 Method of controlling operation of multistage hydraulic machines |