Internal check ball retainer

Details Internal check ball retainer Internal check ball retainer

1977-09-22

1979-05-22

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

13753315, F16K 1504

Patent

active

041553748

ABSTRACT:
An internal check ball retainer for use in an in line check valve assembly has a M-shape configuration with a rectangular cross section. The in line check valve assembly includes a check valve having a check ball hole connected to a smaller through hole by a ball seat. A check ball is positioned in the check ball hole and is movable against the ball seat to block the through hole. The internal check ball retainer is dispositioned so as to dispose the check ball between the parallel arms of the M-shaped configuration and abuttable with the vertex of the V-shaped portion of the internal check ball retainer. A connector having a through-hole provided therein is threaded into the check ball hole so as to abut the internal check ball retainer and hold it in place while the V-shaped portion of the M prevents the check ball from blocking the through-hole in the connector.

REFERENCES:
patent: 1901217 (1933-03-01), Yerkes
patent: 3219057 (1965-11-01), Knowles
patent: 4071045 (1978-01-01), Brandt

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