Needle valve type pump injector

Details Needle valve type pump injector Needle valve type pump injector

1975-09-08

1978-09-26

Rosenthal, Arnold

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

251DIG4, 251205, 137604, F16K 104

Patent

active

041164172

ABSTRACT:
The pump Injector is a brass valve with a needle type regulator that is adapted onto the intake side of a pump. This injector enables a person to regulate the flow of a liquid composition into the main flow of water or other liquid that is being pumped by adjustment of the needle valve. Specifically, the liquid that is to be used is in a container. A clear plastic hose runs from the container and connects to the pump injector. The vacuum from the pump sucks the liquid from the container up through the plastic hose through the hose connection sleeve and down past the needle valve head and along the flattened side of the brass valve. It is then sucked through the 1/16 inch side port hole and is regulated by the needle valve. The regulated flow passes on down into the liquid being pumped.

REFERENCES:
patent: 715658 (1902-12-01), Hampson et al.
patent: 938601 (1909-11-01), Haas
patent: 1746055 (1930-02-01), Roberts et al.
patent: 2100407 (1937-11-01), Peo et al.
patent: 2454557 (1948-11-01), Jacobson
patent: 2761704 (1956-09-01), Crawford
patent: 2774352 (1956-12-01), Emerson
patent: 2832641 (1958-04-01), Korda
patent: 2874719 (1959-02-01), Van Tuyl
patent: 3240230 (1966-03-01), Callahan et al.

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