Invention Grant
- Patent Title: Steam valve
- Patent Title (中): 蒸汽阀
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Application No.: US12549640Application Date: 2009-08-28
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Publication No.: US07931252B2Publication Date: 2011-04-26
- Inventor: Osamu Shindo , Hideaki Miyayashiki , Atsushi Narabe , Makoto Takahashi
- Applicant: Osamu Shindo , Hideaki Miyayashiki , Atsushi Narabe , Makoto Takahashi
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Foley & Lardner LLP
- Priority: JP2004-250408 20040830
- Main IPC: F16K1/00
- IPC: F16K1/00 ; F16K15/00
Abstract:
A steam valve is provided with a valve body, a valve seat, and a valve rod provided for the valve body. The valve body has a bottom portion to which a recessed portion is formed, and the recessed portion has an edge, which is positioned on an upstream side of a place at which a shock wave is generated in steam flowing through a steam path defined by the valve body and the valve seat.
Public/Granted literature
- US20100006792A1 STEAM VALVE Public/Granted day:2010-01-14
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