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:
Jul. 18, 1989
Filed:
Apr. 25, 1988
Applicant:
Inventors:
Takashi Sasada, Higashihiroshima, JP;
Syuzi Okazaki, Hiroshima, JP;
Assignee:
Mazda Motor Corporation, Hiroshima, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01M / ;
U.S. Cl.
CPC ...
1231 / ; 184106 ;
Abstract
An oil pan for a vehicle engine is cast to have shallow and deepened bottom oil pan sections and an integral fitting flange to which a transmission case is attached. The fitting flange is formed with bosses for receiving bolts to tightly attach the oil pan to an engine block of the vehicle engine. First or outer reinforcing ribs extend along the center line of the bosses. Second or back reinforcing ribs are arranged correspondingly to the outer reinforcing ribs. Bolts pass through the bosses and tighten the oil pan to the bottom of the cylinder block of the vehicle engine.