F - Mech Eng,Light,Heat,Weapons – 03 – B
Patent
F - Mech Eng,Light,Heat,Weapons
03
B
138/33.03
F03B 15/04 (2006.01)
Patent
CA 1104465
HYDRAULIC TURBINE CONTROL DEVICE Abstract of the Disclosure A hydraulic turbine control device comprises runner and distributor servomotors having main pilot valves and interconnected by means of a mechanical transmission, the servomotors each having a feedback mechanism connect- ing it to the main pilot valve thereof and comprising a pulling member provided with pulling weights. The device is further provided with a pulling weight stroke limiter and an electric circuit used for stopping the hydraulic turbine and comprising an on-off switch incorporated therein, the weight stroke limiter being provided with double-arm pivoted levers, an end of one arm of each double-arm pivoted lever being in contact with the on- off switch, while an end of the other arm of such a lever is operatively associated with one of the pulling weights, whereby, in case of the pulling member break, the pulling weight of this pulling member interacts with the respective double-arm pivoted lever, this causing the on-off switch to operate and stop the hydraulic turbine. The hydraulic turbine control device prevents the hydraulic turbine operation under disturbed combinatorial relation conditions when the feedback pulling members are broken, as well as under the emergency conditions of the whole hydro-electric unit.
306018
Cherepovitsyn Alexandr I.
Chesnokova Valentina V.
Marks & Clerk
Proizvodstvennoe Obiedinenie Turbostroenia Leningradsky Metallic
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