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:
Jun. 22, 2010
Filed:
Sep. 06, 2005
Applicant:
Arne Boman, Trollhättan, SE;
Inventor:
Arne Boman, Trollhättan, SE;
Assignee:
Volvo Aero Corporation, Trollhattan, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 31/02 (2006.01); B21D 53/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An engine wall structure includes an inner wall to which hot gas is admitted during engine operation, an outer wall, which is colder than the inner wall during engine operation, and at least two webs that connect the inner wall with the outer wall and delimit a cooling duct between the walls. The webs are mainly formed by a first material and the inner wall is mainly formed by a second material of other composition and other heat conductivity than the first material.