Valve device for priming a pump, particularly for coffee making

Details Valve device for priming a pump, particularly for coffee making Valve device for priming a pump, particularly for coffee making

1995-07-03

1997-11-04

Michalsky, Gerald A.

Fluid handling

With heating or cooling of the system

With electric heating element

99281, 1374932, 1375123, 137860, F16K 2400

Patent

active

056829205

ABSTRACT:
Valve device for priming a pump includes a body having a first conduit connected to a pump for sucking water from a tank, a second conduit for connecting the body to a heater provided with a calibrated delivery valve for delivering superheated water, and a third conduit for discharging air during the priming of said pump, a valve for a free passage of water from the body to the heater and for the flow back of the water into the body only when the pressure inside the heater has reached a selected value near, but lower than, the pressure setting of the calibrated delivery valve.

REFERENCES:
patent: 3741675 (1973-06-01), Porter et al.
patent: 3789871 (1974-02-01), Tupper

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