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.:
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 ().