Metered valve assembly for dispensing devices

Details Metered valve assembly for dispensing devices Metered valve assembly for dispensing devices

1973-09-10

1977-12-06

Reeves, Robert B.

Dispensing

With discharge assistant

Fluid pressure

22240222, 222513, B65D 8314, G01F 1128

Patent

active

040612511

ABSTRACT:
A metered valve assembly for dispensing a predetermined volume of fluid from a receptacle containing fluid under pressure for each actuation of the dispensing apparatus having a valve chamber of predetermined capacity with a check valve controlling the flow of fluid under pressure from the receptacle to the valve chamber and a control valve for discharging the fluid contained in the valve chamber. The valve structures are so characterized that upon the closing off of the control valve, fluid under pressure in the receptacle will lift the normally seated check valve off its seat to fill said valve chamber with fluid under pressure. Upon the actuation of the dispensing apparatus to dispense fluid, the force maintaining the check valve on its seat is progressively increased until the control valve is opened to permit the discharge of that volume of fluid trapped in the volume chamber.

REFERENCES:
patent: 2693983 (1954-11-01), Howell
patent: 3708090 (1973-01-01), Harris

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