Patents for F03B 15 - Controlling (1,832)
03/1981
03/03/1981US4253794 Method of controlling wicket gates of a pump-turbine
02/1981
02/10/1981CA1095374A1 Electrohydraulic speed governor for hydraulic turbine
01/1981
01/13/1981US4245163 Control installation for at least two hydraulic turbines
08/1980
08/12/1980US4217617 Turbine trip circuit
05/1980
05/06/1980US4201925 Method for starting hydraulic turbine generator
03/1980
03/18/1980CA1073782A1 Method and means of controlling the operation of a hydraulic turbine
01/1980
01/29/1980US4186312 AC Electrical power systems with alternate sources of power
12/1979
12/18/1979US4179237 Method for controlling the operation of a fluid machine in spinning reserve
11/1979
11/27/1979US4175707 Hydraulic installation
11/15/1979WO1979000928A1 Method of controlling pumping water-wheel
09/1979
09/25/1979US4168935 Apparatus and method for controlling water turbine
09/11/1979CA1062123A1 Load sensing steering system with dual power source
07/1979
07/24/1979CA1059007A1 Hydraulic turbine speed governor
06/1979
06/19/1979US4158525 Method of and apparatus for operating pump turbine
04/1979
04/10/1979US4149092 System for converting the randomly variable energy of a natural fluid
03/1979
03/13/1979US4144421 Hydraulic machine shutdown sensor assembly
03/06/1979CA1049893A1 Dual flow hydraulic system and control valve therefor
01/1979
01/30/1979US4137004 Operation-control method for hydraulic machine
10/1978
10/17/1978US4120602 Method and apparatus for controlling a water turbine
09/1978
09/05/1978US4111101 Apparatus for closing guide vanes of a hydraulic machine
09/05/1978CA1037779A1 Method for adjusting the vanes of a hydraulic machine operable both as a pump and as a turbine
08/1978
08/22/1978US4109160 Control system for hydroelectric power station system
06/1978
06/27/1978US4097183 Method of and apparatus for controlling by-pass valve
02/1978
02/14/1978US4073594 Pump starting method for hydraulic machinery
11/1977
11/08/1977US4057005 Dual flow hydraulic system and control valve therefor
11/01/1977US4056330 Method for adjusting the output of a pump provided with an adjustable spray cone with movable blades
08/1977
08/30/1977US4044786 Load sensing steering system with dual power source
03/1977
03/29/1977US4014624 Method and device for starting pump
10/1976
10/12/1976US3985464 Spinning reserve device for a water-wheel
08/1976
08/10/1976US3974433 Automatic control apparatus with saturation element
06/1976
06/01/1976US3960463 Method of starting operation for a pump or a pump turbine
03/1976
03/23/1976US3945754 Hydraulic machines and operating method thereof
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