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:
May. 03, 2011
Filed:
Sep. 02, 2006
Applicant:
Dieter Messmer, Remseck, DE;
Inventor:
Dieter Messmer, Remseck, DE;
Assignee:
MAHLE International GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention proposes a liquid-cooled assembled piston () having an upper part () and a lower part (), wherein the upper part () and the lower part () are connected to one another by means of a radially outer annular support () and by means of a radially inner annular support (). An outer cooling duct () is arranged between the outer support () and the inner support (), and an inner cooling duct () is arranged radially within the inner support (). Here, the outer cooling duct () is connected to the inner cooling duct () by means of at least one overflow duct ().