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:
Mar. 27, 1990
Filed:
Jul. 13, 1988
Mazda Motor Corporation, Hiroshima, JP;
Abstract
An arrangement for supporting a crankshaft in a multicylinder engien comprises a plurality of bulkheads provided in a cylinder block of the engine to be arranged at predetermined intervals along an axis of the crankshaft disposed in the cylinder block, a plurality of bearing caps each coupled with a lower end of one of the bulkheads by a cap bolt screwed into the bulkhead through a part of the bearing cap relatively close to the bulkhead so as to constitute a bearing portion for supporting the crankshaft in conjunction with the bulkhead, a beam structure extending along the axis of the crankshaft to interconnect therethrough adjacent two of the bearing caps, and a reinforcing structure coupled with the beam structure with a plurality of clamped spots generally arranged in the direction along which the crankshaft extends and also coupled with each of side skirt portions of the cylinder block with a plurality of clamped spots generally arranged in the direction along which the crankshaft extends.