Electromagnetically actuatable metering valve for successive del

Details Electromagnetically actuatable metering valve for successive del Electromagnetically actuatable metering valve for successive del

1975-12-12

1977-04-05

Hoffman, Drayton E.

Dispensing

Supply containers with traps

With trap chamber cutoffs

222453, 222504, G01F 1130

Patent

active

040157555

ABSTRACT:
A metering valve, preferably electromagnetically actuatable, for the successive delivery of precisely measured volumes of fluid irrespective of inlet fluid pressure, including a valve core, slidably mounted in a cavity in the valve body, the top of the core closing a normally open fluid inlet when the core is moved to an uppermost position, and the bottom of the core closing a fluid discharge outlet when in its normal lowermost position, the volume of fluid discharged being the volumetric difference between the volume of the cavity and the volumetric displacement of the core.

REFERENCES:
patent: 1342173 (1920-01-01), Joslin
patent: 2887255 (1959-05-01), Bauerlein
patent: 3072302 (1963-01-01), Giovannoni et al.

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