Title:
STEAM VALVE
Document Type and Number:
Japanese Patent JPH0681607
Kind Code:
A
Abstract:
PURPOSE: To provide a high reliability steam valve by effectively preventing a oil cylinder piston rod from oil leakage from a gap thereof.
CONSTITUTION: A steam valve to hold a valve body 3 movably forward and backward toward a valve seat 2 of a valve casing 1 with a valve rod 4 and dispose an oil cylinder 6 directly on the opposite valve casing side of a valve rod 4 is constituted to use couplings 5A, 5B such that the valve rod axis and the axis of the oil cylinder are in parall independently separated from each other and the valve rod 4 and the oil cylinder 6 are coupled with each other by using a pin 19 capable of sliding in the direction orthogonal to the axis.
Inventors:
SHINDO KURA
Application Number:
JP23073992A
Publication Date:
March 22, 1994
Filing Date:
August 31, 1992
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
F01D17/26; F01D21/00; (IPC1-7): F01D17/26; F01D21/00
Attorney, Agent or Firm:
Noriyuki Noriyuki
Next Patent: STEAM TURBINE SPEED CONTROLLER