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:
Dec. 19, 1995
Filed:
Sep. 14, 1994
Applicant:
Inventors:
Gerhard Doll, Esslingen, DE;
Helmut Seitz, Stuttgart, DE;
Volker Keck, Stuttgart, DE;
Walter Burbock, Stuttgart, DE;
Peter Linden, Wernau/N, DE;
Assignee:
Mercedes-Benz AG, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L / ; F01M / ;
U.S. Cl.
CPC ...
123 9036 ;
Abstract
The invention resides in a hollow rocker-arm shaft with multiple internal passages for an internal combustion engine which rocker-arm shaft consists of two shell sections forming circular segments which are welded together by a weld seam extending along the longitudinal edges of the circular segments and at least one dividing wall extends through the interior of the hollow shaft between the weld seams and divides the interior of the hollow shaft into at least two passages.