Gate protecting device for hydraulic machines

Details Gate protecting device for hydraulic machines Gate protecting device for hydraulic machines

1976-02-17

1977-08-09

Scott, Samuel

Rotary kinetic fluid motors or pumps

Including destructible, fusible, or deformable non-reusable...

64 28R, 415 36, 415155, B23B 3904

Patent

active

040407667

ABSTRACT:
In a wicket gate protecting device for hydraulic machines, a pair of link plates transmitting a force between a gate control ring and a gate lever, is connected to the gate lever through a shear pin. The gate lever disposed between the link plates, and rotatably supported about the shear pin. When the movement of the wicket gate is restricted by obstacles entered between adjacent gate vanes, the shear pin is cut and a part of the shear pin supporting the gate lever moves along between the link plates for a distance and is stopped by friction between the link plates and the shear pin, thereby preventing damage to the neighboring gate vanes.

REFERENCES:
patent: 1517896 (1924-12-01), Erz
patent: 1585862 (1926-05-01), Jessop
patent: 1641755 (1927-09-01), Gross et al.
patent: 1725421 (1929-08-01), Rogers
patent: 3060706 (1962-10-01), Hess
patent: 3639072 (1972-02-01), Munkstrand

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