Steam valve

Details Steam valve Steam valve

2007-10-23

2007-10-23

Keasel, Eric (Department: 3753)

Fluid handling

With means for separating solid material from the fluid

Plural separating elements

C137S549000, C137S613000, C137S625300

Reexamination Certificate

active

10956153

ABSTRACT:
In a steam valve, a strainer is arranged between a valve body and a valve casing in which the valve body is accommodated, and a screen assembly is mounted on an outer peripheral portion of the strainer. The screen assembly includes a temporary screen unit and a permanent screen unit which is arranged inside the temporary screen unit. Each of the screen units is a substantially cylindrical structure made of a plate formed with perforations.

REFERENCES:
patent: 1898816 (1933-02-01), Crossen
patent: 3262563 (1966-07-01), Pall
patent: 4825906 (1989-05-01), Hartman
patent: 5870896 (1999-02-01), Clark et al.
patent: 2004/0035769 (2004-02-01), Mouhebaty
patent: 54-145071 (1979-11-01), None
patent: 10-8913 (1998-01-01), None

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