Automatic wet tank drain valve

Details Automatic wet tank drain valve Automatic wet tank drain valve

1992-02-10

1993-04-27

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137203, B01D 500

Patent

active

052053156

ABSTRACT:
The manual valve normally attached to the wet tank of an air pressure system in a motor vehicle which accumulates moisture is replaced by an automatic valve which has an inlet port connected to the drain line from the wet tank and an outlet port vented to the atmosphere. This valve is operable between an open position where the inlet and outlet ports are interconnected and a closed position where these two ports are isolated from each other. An air line which is used to activate the valve is interconnected to the parking brake of the motor vehicle and is operable to move the valving means to the closed position during normal operation of the vehicle and to the open position whenever the parking brake is engaged to thereby automatically drain moisture from the wet tank while the vehicle is parked.

REFERENCES:
patent: 2509597 (1950-05-01), Hamilton
patent: 2509880 (1950-05-01), Pelton
patent: 3101091 (1963-08-01), Schultz
patent: 4987919 (1991-01-01), Boutin

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