초록 ▼

A system for generating refrigeration and providing refrigeration to a heat load at a very cold temperature which includes a forecooling circuit using a multicomponent refrigerant fluid and a magnetic refrigeration circuit which provides refrigeration to the heat load and which rejects heat into the

A system for generating refrigeration and providing refrigeration to a heat load at a very cold temperature which includes a forecooling circuit using a multicomponent refrigerant fluid and a magnetic refrigeration circuit which provides refrigeration to the heat load and which rejects heat into the forecooling circuit.

대표청구항 ▼

[ What is claimed is:] [7.]7. Apparatus for providing refrigeration at a very cold temperature comprising:(A) a compressor, a multicomponent refrigerant fluid heat exchanger, means for passing fluid from the compressor to the multicomponent refrigerant fluid heat exchanger, an expansion device, and

[ What is claimed is:] [7.]7. Apparatus for providing refrigeration at a very cold temperature comprising:(A) a compressor, a multicomponent refrigerant fluid heat exchanger, means for passing fluid from the compressor to the multicomponent refrigerant fluid heat exchanger, an expansion device, and means for passing fluid from the multicomponent refrigerant fluid heat exchanger to the expansion device;(B) an intermediate temperature heat exchanger and means for passing fluid from the multicomponent refrigerant fluid heat exchanger to the intermediate temperature heat exchanger;(C) a magnetic refrigerator system comprising a bed of magnetizable bed material, means for magnetizing the magnetizable bed material, means for passing fluid from the magnetic refrigerator system to the intermediate temperature heat exchanger, and means for passing fluid from the intermediate temperature heat exchanger to the magnetic refrigerator system; and(D) a heat load and means for passing fluid from the magnetic refrigerator system in heat exchange with the heat load.