Precision filtered choke

Details Precision filtered choke Precision filtered choke

1997-02-03

1999-12-14

Ferensic, Denise L.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

138 42, 138 44, F15D 102

Patent

active

060004339

ABSTRACT:
Choke for connection to a fluid flow passage for controlling fluid flow through the passage in a predetermined direction. The choke has structure for attachment to the fluid passage. It also has an internal fluid flow passage, which has at least one constriction. One or more mesh filters are located in the internal fluid flow passage of the choke, upstream of the constriction, to remove debris from the fluid which would otherwise interfere with fluid flow through the orifice.

REFERENCES:
patent: 1797280 (1931-03-01), Zerk
patent: 2375646 (1945-05-01), Grossi
patent: 2457578 (1948-12-01), Maliphant
patent: 2645099 (1953-07-01), Cumming
patent: 3109459 (1963-11-01), Lee, II et al.
patent: 3490561 (1970-01-01), Colgan
patent: 3642031 (1972-02-01), Wright
patent: 4009592 (1977-03-01), Boerger
patent: 4171209 (1979-10-01), Brown
patent: 4426213 (1984-01-01), Stavropoulus

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