Automatic hydraulic turbine starting device
CA 1084809 A · Owner: Proizvodstvennoe Obiedinenie Turbostroenia Leningradsky Metallichesky Vod · Inventors: Ananiin, Boris N.; Cherepovitsyn, Alexandr I.; Klyavin, Lev A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic hydraulic turbine starting device compris-, ing a gate limit mechanism limiting the width of opening of the wicket gate of said hydraulic turbine and an actuating, element of the sensor of the head of the water supplied to said hydraulic turbine, said element having a profile cam said, mechanism and said element being connected with the main distributing valve of the wicket gate servomotor through a leverage. The gate limit mechanism is connected with the actuating element of the water head sensor through a kinematic linkage comprising a lever connected with a solenoid core, the speed switch of the hydraulic turbine being connected into the circuit of the solenoid winding and …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 2, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 2, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.