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:
Feb. 08, 2000
Filed:
Mar. 04, 1998
Applicant:
Inventors:
Hironaka Sasaki, Tochigi, JP;
Hirohiko Watanabe, Tochigi, JP;
Tetsuya Tategami, Tochigi, JP;
Nobuaki Goh, Tochigi, JP;
Assignee:
Showa Aluminum Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F / ; F28F / ;
U.S. Cl.
CPC ...
165144 ; 165146 ;
Abstract
A duplex heat exchanger comprises unit heat exchangers which have a plurality of tubes arranged parallel with each other and comprise fins each interposed between two adjacent ones of such tubes, opposite ends of each tube being connected to a pair of headers in fluid connection therewith. The unit heat exchangers are closely juxtaposed to each other fore and aft in a direction of air flow. Coolant circuits of said unit heat exchangers are connected either in series or in parallel with each other.