Water traps

Details Water traps Water traps

1983-02-14

1985-03-05

Weakley, Harold W.

Fluid handling

With liquid valves or liquid trap seals

Liquid seal in liquid flow line; flow liquid forms seal

13724741, F16K 900

Patent

active

045025002

ABSTRACT:
A water trap comprises a body 10 which defines a passage having a downwardly extending portion 11 which in use communicates with the interior of a building and leads to a transverse portion 12 passing under a barrier 18. The transverse portion 12 leads in turn to an upwardly extension portion 13 which communicates through an outlet 14 with the exterior of the building. The transverse portion provides a gas barrier when filled with water. The trap includes at least one reservoir chamber 23, 24 which, when the trap is filled with water to the level of the outlet 14, contains sufficient water to refill the transverse portion 12 at least to the height of the barrier 18, should the transverse portion be emptied by siphonage.

REFERENCES:
patent: 424943 (1890-04-01), Garrett
patent: 767904 (1904-08-01), Linke
patent: 921688 (1909-05-01), Fock
patent: 1027997 (1912-05-01), Cudell
patent: 1375598 (1921-04-01), Leonard

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