Pump for ice-cream machines

Details Pump for ice-cream machines Pump for ice-cream machines

1992-02-21

1993-06-15

Gluck, Richard E.

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

417493, 417503, 366163, B01F 1502

Patent

active

052194558

ABSTRACT:
A pump with piston for feeding liquid mixture for ice-cream from a tank to a whipping cylinder in a machine for the production of soft-type ice-cream, comprises valve means to connect in an adjustable way the cylinder of the pump with ambient air; a check valve positioned at the inlet of the delivery duct; an offtake or by-pass duct connecting the delivery duct with the sucking duct; and a second, by-pass valve, mounted in the offtake duct.

REFERENCES:
patent: 3387773 (1968-06-01), De Beaumont
patent: 3415441 (1968-12-01), Kehler
patent: 4147478 (1979-04-01), Vork
patent: 4259042 (1981-03-01), Heatherly
patent: 4779519 (1988-10-01), Giuliano

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