Filling unit with air-operated spool valve system

Details Filling unit with air-operated spool valve system Filling unit with air-operated spool valve system

1976-06-11

1977-10-25

Tollberg, Stanley H.

Dispensing

With discharge assistant

With discharge volume varying means

222334, G01F 1106

Patent

active

040552810

ABSTRACT:
A spool-type valve system for use with a high-speed filling machine, in which a solenoid valve controlled by the main shaft of the filling machine, selectively supplies air under pressure to a respective end of a pneumatically operated piston-cylinder unit of a spool valve assembly which selectively opens and closes the pump space with respect to the reservoir for the product to be filled while simultaneously closing and opening the pump space with respect to the discharge nozzle.

REFERENCES:
patent: 3580302 (1971-05-01), Riesenberg
patent: 3666147 (1972-05-01), Shiraki et al.

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