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. 14, 1991
Filed:
Jul. 19, 1990
Mazda Motor Corporation, Hiroshima, JP;
Abstract
An internal combustion engine having a reinforced cylinder block, a skirt portion integrally formed therewith at a lower portion thereof, a plurality of bearings received therein, a crank shaft journaled in the bearings, a plurality of bearing caps secured to the bearings, and front and rear covers formed at front and rear portions of the cylinder block, respectively, and having respective openings through which the crank shaft extends. In order to reinforce the cylinder block, a reinforcing member is secured to a lower surface of the skirt portion of the cylinder block and to a lower surface of the rear cover. At least two first bolts for fastening the reinforcing member to the lower surface of the rear cover are provided on opposite sides of the rear cover while at least two second bolts for fastening the reinforcing member to a bearing cap for a rearmost bearing of the bearings are placed within a pitch of the first bolts in a direction transversely of the cylinder block.