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:
Jul. 12, 2011
Filed:
Oct. 10, 2007
Kenneth L. Marotta, Macomb, MI (US);
Robert H. Beck, East China, MI (US);
Kenneth L. Marotta, Macomb, MI (US);
Robert H. Beck, East China, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
An exhaust manifold may include a manifold body and a flange. The manifold body may include a first tube that forms an exhaust gas inlet. The flange may be coupled to the manifold body and may fix the manifold body to an engine. The flange may include a first aperture having first and second portions located along an axial extent of the first aperture. The first portion may extend to a first end surface of the flange and the second portion may extend to a second end surface of the flange. The first portion may have a first radial width that is less than a second radial width of the second portion. The second portion may receive an end of the first tube therein. The first tube may be fixed to the flange at a location within the first aperture between the first portion and the second end surface.