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:
Apr. 02, 2002
Filed:
Sep. 19, 2000
Applicant:
Inventor:
Richard L. Fischer, Lisle, IL (US);
Assignee:
Marconi Communications, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28F 3/00 ; F28F 3/14 ; F28F 7/00 ;
U.S. Cl.
CPC ...
F28F 3/00 ; F28F 3/14 ; F28F 7/00 ;
Abstract
A plastic heat exchanger which is simple and inexpensive. The heat exchanger includes an outer duct and a stack of inner ducts, the inner ducts for establishing a first flow path for cooling air or air to be cooled. Each inner duct includes end portions which are stackable upon one another and a middle portion which has a reduced dimension. A seal is placed about each stack of end portions and a second flow path for cooled air or cooling air is formed within the outer duct, between the seals and around the outside of the middle portions of the inner ducts.