Metering dispenser for liquids

Details Metering dispenser for liquids Metering dispenser for liquids

1976-05-12

1979-05-08

Knowles, Allen N.

Dispensing

Supply containers with traps

With trap chamber cutoffs

222444, 222452, 222453, 222504, G01F 1132, G01F 1144

Patent

active

041531876

ABSTRACT:
A liquid dispenser having a metering chamber and a supply chamber disposed in side by side relationship and adapted for liquid communication with one another through a normally open supply valve. The liquid in the chambers are maintained at the same level. An outlet drain from the metering chamber through which liquid may be drained from the metering chamber and a normally closed outlet valve for controlling the flow of liquid through the outlet drain is provided. The supply valve and said outlet valve co-operate in such manner that upon opening the outlet valve to dispense liquid from the metering chamber, the supply valve closes and then subsequently re-opens for replenishing the metering chamber from the supply chamber only after the outlet valve has closed.

REFERENCES:
patent: 820556 (1906-05-01), Cooke
patent: 1733310 (1929-10-01), Manley
patent: 2761595 (1956-09-01), Vergers
patent: 2838208 (1958-06-01), Levit
patent: 3189233 (1965-06-01), Wilson et al.

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