Title:
STEAM VALVE AND STEAM TURBINE FACILITY PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2021/014903
Kind Code:
A1
Abstract:
A steam stop valve (20) is provided with: a valve body (40) that linearly moves in a reciprocating manner in a valve casing (30) and opens/closes a flow passage (33); a valve rod (41) that is connected to the valve body; an actuator (50) that moves the valve rod; and a link mechanism (60) for transmitting an operation of the actuator to the valve rod. The link mechanism (60) has a lever (61), a valve rod link (62), and a valve casing link (63). The rod leading end (52s) of an actuator rod (52) is directly or indirectly pin-joined to the first end (61a) of the lever. The valve rod link is pin-joined to the leading end (41b) of the valve rod and to an intermediate part (61c) of the lever. The valve casing link is pin-joined to the valve casing and to the second end (61b) of the lever.
Inventors:
HATA MASAKI (JP)
ISHIBASHI YUSUKE (JP)
SUZUKI FUMIYUKI (JP)
ISHIBASHI YUSUKE (JP)
SUZUKI FUMIYUKI (JP)
Application Number:
PCT/JP2020/025696
Publication Date:
January 28, 2021
Filing Date:
June 30, 2020
Export Citation:
Assignee:
MITSUBISHI POWER LTD (JP)
International Classes:
F16K31/44; F01D25/00; F16K1/00
Domestic Patent References:
| WO2015125236A1 | 2015-08-27 |
Foreign References:
| CN204573292U | 2015-08-19 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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