Valve having at least one screen

Fluid handling – With means for separating solid material from the fluid – Planar strainer normal to flow path

Reexamination Certificate

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Details

C137S544000, C251S366000

Reexamination Certificate

active

06892759

ABSTRACT:
A valve has a valve housing having a flow path for a medium with at least one bore. At least one screen is arranged in the flow path of the medium in the valve housing. The screen is a perforated plate having screen openings and is made of a strap. The valve housing has at least one annular channel and the screen is arranged on a support surface provided in the annular channel.

REFERENCES:
patent: 1420073 (1922-06-01), Babcock
patent: 2217056 (1940-10-01), Johnson
patent: 4575364 (1986-03-01), Lamers
patent: 6220283 (2001-04-01), Saarinen et al.

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