초록 ▼

A heat exchanger for a fast cooldown cryostat having high pressure and low pressure flow paths wherein a low pressure flow path is defined by a finely divided matrix which in turn defines a plurality of flow paths and said high pressure flow path is disposed in heat exchange relationshp to said matr

A heat exchanger for a fast cooldown cryostat having high pressure and low pressure flow paths wherein a low pressure flow path is defined by a finely divided matrix which in turn defines a plurality of flow paths and said high pressure flow path is disposed in heat exchange relationshp to said matrix.

대표청구항 ▼

A heat exchanger for a fast cooldown cryostat having in at least one stage the combination of a cold end located proximate to a Joule Thompson orifice, a warm end located proximate to a source of high pressure fluid, said cold end and said warm end being separated by a distance dimension, means for

A heat exchanger for a fast cooldown cryostat having in at least one stage the combination of a cold end located proximate to a Joule Thompson orifice, a warm end located proximate to a source of high pressure fluid, said cold end and said warm end being separated by a distance dimension, means for conducting expanded gas from said Joule Thompson orifice the length of said distance dimension to said warm end, said conducting means comprising a matrix defining a plurality of paths for said expanded gas from said Joule Thompson orifice to said warm end, and means for conducting said high pressure fluid from said warm end to said Joule Thompson orifice at said cold end, said high pressure fluid conducting means being in heat exchange relation to said matrix throughout said distance dimension.