Liquid metering device with time delayed closure

Details Liquid metering device with time delayed closure Liquid metering device with time delayed closure

1987-10-16

1988-11-15

Shaver, Kevin P.

Dispensing

Supply containers with traps

With trap chamber cutoffs

222 36, 222477, G01F 1132

Patent

active

047843004

ABSTRACT:
A device for dispensing a predetermined, measured quantity of liquid from an inverted bottle incorporates a delay mechanism whereby a plunger within the measuring chamber is held in an open condition for a predetermined period of time sufficient to ensure delivery of the entire contents of the measuring chamber. The delay mechanism is associated with a linkage system whereby an operating member disposed adjacent to the outlet of the measuring chamber is coupled to the plunger and comprises a piston which is driven in a cylinder by a spring at a rate determined by the rate at which a fluid flows through a restricting orifice.

REFERENCES:
patent: 3460723 (1969-08-01), Young
patent: 3731856 (1973-05-01), Young

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