Cryogenic refrigerator with gas spring loaded valve

United States of America Patent

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Jun 11, 1985
Grant Date
N/A
app pub date
Jul 2, 1984
filing date
Jul 2, 1984

priority date (Note)
Expired

status (Latency Note)

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Abstract

In a cryogenic refrigerator, a valve member reciprocates to control fluid to and from chambers of variable volume. The valve member is moved in one direction by a cam and in the opposite direction by a fluid spring.

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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
Jensen, Jack E	Columbus, OH	6	36

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Cryogenic refrigerator with gas spring loaded valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06627581

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PATENT NO	4522033
SERIAL NO	06627581
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06627581

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Family

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