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:
Oct. 10, 2000
Filed:
Feb. 05, 1999
David M Langer, Warren, MI (US);
DaimlerChrysler Corporation, Aurburn Hills, MI (US);
Abstract
An engine block includes a unitary engine block casing having a cylinder wall and an upper peripheral wall spaced from the cylinder wall to define an open channel therebetween. The channel has a bottom formed by a portion of the engine block casing and an open top formed between the cylinder wall and the peripheral wall. An independent insert member is disposed in the open top of the channel extending between the cylinder wall and the peripheral wall for providing structural support between the cylinder wall and the peripheral wall. The invention further includes a method for diecasting the engine block using permanent molds. The steps of the method include: providing a first permanent mold; diecasting a unitary engine block casing in the first permanent mold, the casing including a cylinder wall and an upper peripheral wall spaced from the cylinder wall to define an open channel therebetween, the channel including a bottom formed by a portion of the engine block casing and an open top formed between the cylinder wall and the peripheral wall; providing a second permanent mold; diecasting an independent insert member in the second permanent mold; and fixing the insert member in the open top of the channel for providing structural support between the cylinder wall and the peripheral wall.