Human body cooling suit with heat pipe transfer

Details Human body cooling suit with heat pipe transfer Human body cooling suit with heat pipe transfer

1994-02-03

1995-02-07

Sollecito, John M.

Refrigeration

Structural installation

With body applicator

16510417, F25D 2312

Patent

active

053867017

ABSTRACT:
Described herein is a new human body cooling suit that is comprised of a number of flexible heat pipes and a (or a number of) phase-change material (PCM) module (or modules). A lower section (with reference to the gravity field) of the flexible heat pipe is sandwiched between the outer cover and the inner lining materials. An upper section of the heat pipe runs through the PCM module. The shell of the said flexible heat pipe can be a corrugated metal tube, a corrugated plastic tube, or a smooth plastic tube, depending on specific applications. The said outer cover is made of thermal insulating materials that shield off the heat from the environment to the human body. When a human being, who wears this cooling suit, is exposed to a very hot environment, the flexible heat pipe section embedded in the suit materials absorbs the heat that is dissipated from the human body, and transfers it to the said PCM module where the heat is stored in the PCM module via the change of phase. Since the PCM is chosen such that it has a melting temperature close to the normal temperature range of the human body and a large latent heat of melting, and the heat pipe has an extremely high effective thermal conductance, the human body temperature can be maintained at a temperature close to normal, regardless of the environment a person encounters. Three types of PCM modules, in which the thawed PCM can be easily replaced, are also described.

REFERENCES:
patent: 5201365 (1993-04-01), Siegel

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