Invention Grant
- Patent Title: Steam control valve
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Application No.: US17886300Application Date: 2022-08-11
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Publication No.: US11933422B2Publication Date: 2024-03-19
- Inventor: Hiroshi Igawa
- Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
- Applicant Address: JP Tokyo
- Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
- Current Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
- Current Assignee Address: JP Tokyo
- Agency: WHDA, LLP
- Priority: JP 21132406 2021.08.16
- Main IPC: F16K31/52
- IPC: F16K31/52 ; F16K11/04

Abstract:
A steam control valve including a valve seat, a valve disc that is abuttable on the valve seat, a valve lifting rod that is linked to the valve disc and extends in a vertical direction, a bushing that supports the valve lifting rod slidably, a lever linked to an upper end of the valve lifting rod, and an actuator that causes the lever to pivot, in which a box section having a downward-facing opening is provided on one end side of the lever, and the box section of the lever loosely fits an overhang section on a side of the valve lifting rod.
Public/Granted literature
- US20230050574A1 STEAM CONTROL VALVE Public/Granted day:2023-02-16
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