Mechanism for preventing back-flow for pump discharge pipes

Details Mechanism for preventing back-flow for pump discharge pipes Mechanism for preventing back-flow for pump discharge pipes

1994-04-06

1996-05-28

Kwon, John T.

Rotary kinetic fluid motors or pumps

Including working fluid force responsive vane or flow control

415 24, F01D 1700

Patent

active

055205100

ABSTRACT:
A mechanism for preventing back-flow for a discharge pipe of a pump. The discharge pipe terminates in a container and essentially runs vertically upward. A bell-shaped hood is turned over the exit opening of the discharge pipe so as to form a low-loss siphon. At least one venting apparatus is connected to one of the discharge pipe and the hood.

REFERENCES:
patent: 1003905 (1911-09-01), Hill
patent: 2211526 (1940-08-01), Storey
patent: 3174434 (1965-03-01), Schieve
patent: 3251303 (1966-05-01), Mason et al.

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