Ball check valve

Details Ball check valve Ball check valve

1986-09-08

1987-10-20

Cohan, Alan

Fluid handling

Line condition change responsive valves

Direct response valves

137539, 251337, F16K 1504

Patent

active

047007419

ABSTRACT:
A ball check valve is provided having a ball retainer which is particularly inexpensive to manufacture and yet which is capable of allowing high amounts of flow without clogging or plugging. The retainer member is formed with three stamped pieces of sheet material which are generally u-shaped and have included an angle such that the sum of the angles is 360.degree.. In the preferred embodiment three such retainer components are used and the retaining member is held in place between two housing members which are threadably attached to one another. The ball and spring are held in place by the retainer member.

REFERENCES:
patent: 619705 (1899-02-01), Knupp
patent: 2707965 (1955-05-01), Allen
patent: 2935082 (1960-05-01), Richardson et al.
patent: 2950736 (1960-08-01), Oldberg
patent: 3002528 (1961-01-01), Leissner
patent: 3219057 (1965-11-01), Knowles
patent: 3288167 (1966-11-01), Gibson
patent: 3358770 (1967-12-01), Zandmer
patent: 3378030 (1968-04-01), Cary
patent: 3421547 (1969-01-01), Aslan
patent: 3524469 (1970-08-01), Jebe
patent: 3626977 (1971-12-01), Riley
patent: 3720220 (1973-03-01), McMath
patent: 3913615 (1975-10-01), Cooper
patent: 4091839 (1978-05-01), Donner

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