Title:
二重ケーブルばねで懸架され調整可能なストッパ部及びロック部をコンクリート壁部に有する球形弁のための閉鎖用錘
Document Type and Number:
Japanese Patent JP2013518218
Kind Code:
A
Abstract:
Closing weight (6A) being suspended by cables (18) and springs (17) is provided for emergency closing of spherical valves (1) of a turbine. The weight (6A) is capable of moving in a weight pit. The angular movement of the valve door is stopped in a very precise position by provision of a micrometer adjustment nut at the farthest radius on a bracket fixed on the concrete wall (14). The weight (6A) is disposed at the farthest possible distance from the trunnion axis (5) and is hung by cables (18) attached to a lever (3) and is suspended through the pre-loaded springs (17).
Inventors:
Guildonia, Rajnishi, Kumar
Prasad, Cali
Calle, Amit
Prasad, Cali
Calle, Amit
Application Number:
JP2012549466A
Publication Date:
May 20, 2013
Filing Date:
January 21, 2010
Export Citation:
Assignee:
Barat Heavy Electricals Limited
International Classes:
F16K31/44; F03B11/00; F16K5/06; F16K35/00
Domestic Patent References:
| JPS6067472U | 1985-05-13 | |||
| JPS54156235U | 1979-10-30 | |||
| JP2006028848A | 2006-02-02 | |||
| JPS6067472U | 1985-05-13 |
Attorney, Agent or Firm:
Asamura patent office
Hideto Asamura
Hajime Asamura
Tadashi Tanaka
Toru Mori
Hideto Asamura
Hajime Asamura
Tadashi Tanaka
Toru Mori