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:
Aug. 31, 2010
Filed:
Oct. 14, 2005
Applicants:
David M. Berchowitz, Athens, OH (US);
Neill Lane, Athens, OH (US);
Todd Cale, Coolville, OH (US);
James Gary Wood, Albany, OH (US);
Inventors:
David M. Berchowitz, Athens, OH (US);
Neill Lane, Athens, OH (US);
Todd Cale, Coolville, OH (US);
James Gary Wood, Albany, OH (US);
Assignee:
Sunpower, Inc., Athens, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B23P 15/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A regenerator having a plurality of involute foils disposed in an annular gap between an inner cylindrical tube and an outer cylindrical tube. The involute shape of the foils provides uniform spacing throughout the entire regenerator and substantial surface area for fluid contact.