Steam valve

Details Steam valve Steam valve

2011-04-26

2011-04-26

Fristoe, Jr., John K (Department: 3753)

Valves and valve actuation

Reciprocating valve

Particular head and seat cooperation

C251S318000

Reexamination Certificate

active

07931252

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.

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patent: 2001-193846 (2001-07-01), None
patent: 2004-116607 (2004-04-01), None

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