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:
Nov. 25, 1997
Filed:
Mar. 15, 1996
Applicant:
Inventors:
Henning Blocker, Stelle, DE;
Pierre Bonny, Hamburg, DE;
Thomas Hulsberg, Rosengarten, DE;
Ralf Punjer, Hamburg, DE;
Assignee:
Mercedes-Benz A.G., Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60322 ; 60323 ; 60272 ; 138155 ; 285226 ;
Abstract
An exhaust manifold for an internal combustion engine with at least two cylinders includes at least two adjacent connection branches which are interconnected by collection pipe sections having an expansion compensating bellows for accommodating differential thermal expansion therebetween and a gas flow guide pipe structure which extends into the bellows. At least one of the collection pipe sections comprises a multi-layered pipe wall with which the expansion compensating bellows is integrally formed.