Quick disconnect for sewage system

Details Quick disconnect for sewage system Quick disconnect for sewage system

1986-06-17

1987-10-27

Cohan, Alan

Fluid handling

Line condition change responsive valves

Direct response valves

137855, 137858, 285179, 285325, F16K 1514, F16L 3726, F16L 4300

Patent

active

047022744

ABSTRACT:
A quick disconnect coupling device for connecting the vertical pipe from a submersible pump in a sewage system to a horizontal pipe includes male and female coupling members. The female coupling member is connected to the horizontal pipe and is coupled to the male coupling member by guideways which are engaged by guide elements on the male coupling member. The male member includes a pair of coupling elements which are connected together to form a 90-degree coupling. A flap type check valve is clamped between the coupling elements of the male coupling member and permits the flow of waste water through the coupling, but prevents the return flow of waste water to the submersible pump.

REFERENCES:
patent: 314107 (1885-03-01), Chappell
patent: 1272794 (1918-07-01), Girtanner
patent: 2386485 (1945-10-01), Longenecker
patent: 3583731 (1971-06-01), Jewell
patent: 4011532 (1977-03-01), Williams et al.
patent: 4130300 (1978-12-01), Sheridan

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