Spring return check valve

Details Spring return check valve Spring return check valve

1999-03-17

2000-04-18

Ferensic, Denise L.

Fluid handling

Line condition change responsive valves

Direct response valves

1375272, 251337, F16K 1500

Patent

active

060502940

ABSTRACT:
A resilient disc check valve with a spring return mechanism is provided. The spring return mechanism is contained entirely within the valve body. The spring return mechanism is in the form of a leaf spring or similar structure which engages a back side of the disc and does not require any attachment to the disc by way of fasteners or other mechanisms.

REFERENCES:
patent: 93294 (1869-08-01), Frisbie
patent: 107605 (1870-09-01), Foster
patent: 735912 (1903-08-01), Schrotz
patent: 985122 (1911-02-01), Ashmusen
patent: 1285110 (1918-11-01), Funk
patent: 1393204 (1921-10-01), Daggett
patent: 2356815 (1944-08-01), Bischoff
patent: 3331391 (1967-07-01), Meridinyan
patent: 3613720 (1971-10-01), Welch et al.
patent: 3640306 (1972-02-01), Vogt
patent: 3990471 (1976-11-01), Schutzer et al.
patent: 4027695 (1977-06-01), Schnatmeyer et al.
patent: 4274436 (1981-06-01), Smith
patent: 4330006 (1982-05-01), Eck et al.
Rubber Flapper Check Valve With Spring Return Attachment, Valve and Primer Corp, Schaumburg, IL; Drawing No. S100-SR; Dated Mar. 5, 1984.
Dresser Swing Check Valves for Water, Wastewater and Industrial Application; Dresser Manufacturing Division, Dresser Industries Inc. Anniston, AL 36202.

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