Joule-Thomson liquifier utilizing the Leidenfrost principle

Details Joule-Thomson liquifier utilizing the Leidenfrost principle Joule-Thomson liquifier utilizing the Leidenfrost principle

1975-05-02

1976-11-09

O'Dea, William F.

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

F25B 1900

Patent

active

039902650

ABSTRACT:
For cooling a load which may be installed for example in an aircraft, and intended to be supplied from a bulk supply of liquid refrigerant, the latter is replaced by a liquid dispenser including a liquefier fed with gaseous refrigerant under pressure. The liquefier acts on the Joule Thomson principle and includes a heat exchanger having two paths through the first of which refrigerant gas from a supply at high pressure flows to an expansion nozzle through which it expands to an intermediate pressure above ambient pressure, causing some of the refrigerant to liquefy in a liquefying chamber while the remainder flows back through the second path of the heat exchanger to cool the incoming refrigerant; and a nozzle forming an outlet from the liquefying chamber and means for connecting a transfer pipe to the outlet.

REFERENCES:
patent: 3320755 (1967-05-01), Jepsen et al.
patent: 3353370 (1967-11-01), Patten, Jr. et al.
patent: 3418822 (1968-12-01), Massey
patent: 3495419 (1970-02-01), Hart
patent: 3548607 (1970-12-01), Pillsbury, Jr. et al.

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