Valve assembly

Details Valve assembly Valve assembly

1977-03-09

1978-09-26

Rosenthal, Arnold

Fluid handling

Diverse fluid containing pressure systems

Main line flow displaces additive from shunt reservoir

13762542, 60478, 137565, F16K 11085

Patent

active

041162110

ABSTRACT:
A liquid manure spreading apparatus having a tank and a pump selectively operable to evacuate air from within the tank or supply air to the tank. A safety shut off valve located in the tank having a ball and an elongated float confined in a cage is operable to block the evacuation of air from the tank when the tank is full of liquid manure. A control valve mounted on the pump has a single spool selectively moveable with a handle to an air evacuating position and an air supplying position. A single air line is connected to the valve and tank.

REFERENCES:
patent: 2800365 (1957-07-01), Hodges
patent: 3544010 (1970-12-01), Jurdyc

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