Conical liquid metering device

Details Conical liquid metering device Conical liquid metering device

1975-11-20

1977-07-05

Knowles, Allen N.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With discharge assistant for each source

222139, 222194, 222370, B67D 552

Patent

active

040334821

ABSTRACT:
A device for precisely metering out quantities of fluids is disclosed. The device comprises a tapered rotor having a plurality of chambers, each of the chambers having first and second openings. The rotor is received within a housing and together with the housing cooperates to perform the metering function as the rotor is rotated with respect to the housing. The housing has a plurality of input and overflow ports corresponding to the chambers in the rotor. These ports are positioned with respect to the rotor in such a manner that when a corresponding input port is in communication with one of said openings, its corresponding overflow port is in communication with the other of said openings. The housing also comprises a plurality of pressure ports and output ports which correspond to the plurality of chambers. The pressure and output ports are positioned in such a manner that when one opening of a chamber is in communication with its corresponding pressure port, its other opening is in communication with its output port.

REFERENCES:
patent: 2427680 (1947-09-01), Leonard
patent: 3273758 (1966-09-01), Starrett
patent: 3610476 (1971-10-01), Starrett
patent: 3750902 (1973-08-01), Starrett

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