Multi-stage cryogenic refrigerators

United States of America Patent

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Apr 29, 1986
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N/A
app pub date
Jul 2, 1984
filing date
Jul 2, 1984

priority date (Note)
Expired

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Abstract

First and second multi-stage cryogenic refrigerators each have a displacer driven by a common motor so that the displacers are substantially 180.degree. out of phase. The final stage of each refrigerator has a regenerator arranged in a heat exchange relationship with counterflow.

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Patent Owner(s)

Patent Owner	Address
PROCESS SYSTEMS INTERNATIONAL INC	20 WALKUP DRIVE WESTBOROUGH MA 43026

International Classification(s)

F25B:REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBIN....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hood, Charles B	Naples, FL	8	49
Jensen, Jack E	Columbus, OH	6	36
Parish, Harold C	Dublin, OH	1	8

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Multi-stage cryogenic refrigerators

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06627123

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PATENT NO	4584839
SERIAL NO	06627123
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06627123

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