Check valve

Details Check valve Check valve

1976-05-10

1977-06-07

Cline, William R.

Fluid handling

Line condition change responsive valves

Direct response valves

251337, F16K 1503

Patent

active

040276953

ABSTRACT:
A check valve controlled by the medium passing through comprising: a housing having an input opening on one side defining a valve seat and an output opening communicative with the input opening, a locking member disposed over the input opening of the valve seat and positioned on the seat, the locking member having a pivot axis at one end, a bearing cap mounted in and engaging the walls of the discharge opening, the cap having a pair of bearing side plates formed at one end, the side plates having laterial recesses formed therein for receiving the pivot axis of the locking member. There is also a spring coupled to the housing for urging the locking member against the valve seat.

REFERENCES:
patent: 1266130 (1918-05-01), Kimbler
patent: 2928416 (1960-03-01), Balhouse
patent: 3498322 (1970-03-01), Gilliam
patent: 3509908 (1970-05-01), Latham et al.
patent: 3604453 (1971-09-01), Boitnott
patent: 3933173 (1976-01-01), Kajita
patent: 3955592 (1976-05-01), Guyton

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