发明授权
- 专利标题： Steam valve
- 专利标题（中）： 蒸汽阀
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申请号： US12549640申请日： 2009-08-28
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公开(公告)号： US07931252B2公开(公告)日： 2011-04-26
- 发明人: Osamu Shindo , Hideaki Miyayashiki , Atsushi Narabe , Makoto Takahashi
- 申请人： Osamu Shindo , Hideaki Miyayashiki , Atsushi Narabe , Makoto Takahashi
- 申请人地址： JP Tokyo
- 专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人地址： JP Tokyo
- 代理机构： Foley & Lardner LLP
- 优先权： JP2004-250408 20040830
- 主分类号： F16K1/00
- IPC分类号： F16K1/00 ; F16K15/00
摘要：
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.
公开/授权文献
- US20100006792A1 STEAM VALVE 公开/授权日：2010-01-14
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