The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7165406 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 23, 2007

Filed:

Jan. 08, 2003
Applicant:

Ralph C. Longsworth, Allentown, PA (US);

Inventor:

Ralph C. Longsworth, Allentown, PA (US);

Assignee:

SHI-APD Cryogenics, Inc., Allentown, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 9/00 (2006.01); B01D 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An integrated cryopump and 2 stage pulse tube refrigeration system () comprising a cryopump, a compressor for a pulse tube refrigerator, a pulse tube refrigerator located within the vacuum chamber of the cryopump where the hot ends of the pulse tubes () are connected to each other through a buffer volume (), are integral to the cryopump vacuum chamber hosing, and a buffer volume () is connected to the hot ends () of the pulse tubes () through flow restrictors ().


Find Patent Forward Citations

Longsworth, Ralph. (2007). Integral pulse tube refrigerator and cryopump (U.S. Patent No. 7165406). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7165406

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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