Ball check valve

Details Ball check valve Ball check valve

1976-01-30

1978-01-24

Cline, William R.

Fluid handling

Line condition change responsive valves

Direct response valves

13753315, 1375195, F16K 1504

Patent

active

040698408

ABSTRACT:
A check valve for permitting fluid flow in one direction and preventing flow in the reverse direction may comprise: a tubular body having a longitudinal flowbore therethrough; an annular seat within the flowbore; an inclined cylindrical pocket communicating with the flowbore; and a ball member movable between the pocket and sealing engagement with the seat in the flowbore to permit fluid to flow in one direction but blocking flow in the reverse direction.

REFERENCES:
patent: 841474 (1907-01-01), Wendelkin
patent: 1170284 (1916-02-01), Bounty
patent: 1339383 (1920-05-01), Beese
patent: 1700234 (1929-01-01), McCrosky
patent: 3269463 (1966-08-01), Page, Jr.
patent: 3584645 (1971-06-01), Radig
patent: 3850191 (1974-11-01), Brown

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