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:
Mar. 28, 1989
Filed:
Oct. 07, 1987
Applicant:
Inventor:
Klaus Hagemeister, Munich, DE;
Assignee:
MTU Motoren-Und Turbinen -Union Munchen GmbH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165173 ; 165163 ;
Abstract
A heat exchanger having a matrix of tubes around which hot gases flow, the matrix comprising spaced internested oval profiled tubes connected to a manifold for supply of compressed air to the tubes. The manifold is composed of a plurality of superimposed elements assembled on another in fluid-tight fashion. The profiled tubes have rectangular or square base ends which are fitted into corresponding openings in the superimposed elements.