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. 05, 2013
Filed:
Dec. 15, 2009
Chiaki Kato, Kure, JP;
Kazuya Ito, Higashi-Hiroshima, JP;
Naohiro Koi, Kure, JP;
Sakumi Haseto, Hiroshima, JP;
Eiji Wada, Higashi-Hiroshima, JP;
Masaaki Sato, Higashi-Hiroshima, JP;
Chiaki Kato, Kure, JP;
Kazuya Ito, Higashi-Hiroshima, JP;
Naohiro Koi, Kure, JP;
Sakumi Haseto, Hiroshima, JP;
Eiji Wada, Higashi-Hiroshima, JP;
Masaaki Sato, Higashi-Hiroshima, JP;
Mazda Motor Corporation, , JP;
Abstract
An engine balancer includes a pair of balancer shafts and a balancer housing for housing the balancer shafts, and is placed in an oil pan at the bottom of an engine. The balancer housing includes a pair of front and rear bearing walls respectively supporting the balancer shafts with rolling bearings interposed therebetween. The bearing walls of the balancer housing are attached to bearing walls for a crankshaft. The housing body has an aperture at the top thereof. The aperture of the housing body is covered with a plate-shaped cover member thinner than a member forming the housing body.