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:
Dec. 06, 2011
Filed:
Sep. 28, 2007
Applicants:
Michael J. Campagna, Chillicothe, IL (US);
Robert John Moffat, Los Altos, CA (US);
Inventors:
Michael J. Campagna, Chillicothe, IL (US);
Robert John Moffat, Los Altos, CA (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F28D 7/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A heat exchanger is disclosed. The heat exchanger may have a conduit configured to conduct a fluid and at least one body of metal foam surrounding the conduit. The at least one body of metal foam may have a radially inner portion, a radially outer portion, and a radially intermediate portion between the radially inner portion and the radially outer portion. The at least one body of metal foam may have a lower percentage of void space at the radially outer portion as compared to the radially intermediate portion.