Flap valve

Details Flap valve Flap valve

1975-04-15

1976-11-09

Cline, William R.

Fluid handling

Line condition change responsive valves

Direct response valves

251337, F16K 1503

Patent

active

039904717

ABSTRACT:
A flap valve, in particular a check valve comprising a valve housing and a valve seat formed therein, a plate-like locking member cooperating with the valve seat, the locking member being pivotably mounted to the housing, a locking spring extending across a remote front face and having a longitudinal axis substantially crosswise with respect to the pivot direction of the locking member. The locking spring is held axially pretensioned with one end on the valve housing and with another end on the locking member and the locking spring has the form of a leg spring and at least one winding connecting the legs. The windings are mounted substantially parallel to the front face of the locking member.

REFERENCES:
patent: 2394747 (1946-02-01), Campbell
patent: 2492271 (1949-12-01), Cox et al.
patent: 2708562 (1955-05-01), Schmid
patent: 3498322 (1970-03-01), Gilliam
patent: 3509908 (1970-05-01), Latham et al.
patent: 3612098 (1971-10-01), Bora

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