Liquified gas withdrawal apparatus

Details Liquified gas withdrawal apparatus Liquified gas withdrawal apparatus

1980-04-21

1982-02-02

Schmidt, Frederick R.

Refrigeration

Storage of solidified or liquified gas

Including cryostat

222146HA, F17C 702

Patent

active

043133061

ABSTRACT:
Apparatus for removing liquified gas which boils at ambient temperature from an enclosed reservoir. Removal from the reservoir is controlled by an on-off valve disposed in a delivery line, while selectively venting the pressurized vapor of the liquid generated above the reservoir. When flow is desired, the valve is opened and the vent is blocked by a warm heat rod slidable into and out of heat exchange relation with the liquid in the reservoir, which causes the liquid to boil and consequently, increases the vapor pressure on the liquid to cause it to flow through the delivery tube.

REFERENCES:
patent: 2440915 (1948-05-01), Roehr
patent: 4037631 (1977-07-01), Schulze et al.
patent: 4149388 (1979-04-01), Schneider et al.

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