Water flow actuated air charging device

Details Water flow actuated air charging device Water flow actuated air charging device

1975-09-02

1977-01-11

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Gas pressure storage over or displacement of liquid

417 38, F04F 100

Patent

active

040021840

ABSTRACT:
An air charging device is connected to a supply tank, a pump and a use facility, such as a faucet. When the faucet is opened, water flow from the tank through the device to the faucet charges a chamber in the device with air; while when the pump is actuated, water flow from the pump through the device to the tank causes the air in the chamber to be compressed and escape into the tank. The flow of water in either of two directions causes a freely movable valve member to engage and shift a plunger. Movement of the plunger in one direction causes intake of air into the chamber, and movement thereof in the other direction causes compression and discharge of air into the supply tank.

REFERENCES:
patent: 2447173 (1948-08-01), Gordon
patent: 3259067 (1966-07-01), Bryan
patent: 3385216 (1968-05-01), Henderson

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