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. 13, 2014
Filed:
Aug. 30, 2011
Applicants:
Takahiro Yano, Kawogawa, JP;
Michio Hirano, Akashi, JP;
Shinya Akase, Kobe, JP;
Inventors:
Assignee:
Kawasaki Jukogyo Kabushiki Kaisha, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 75/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A balancer shaft of an engine includes a pair of journal portions, a first stage balance weight and a second stage balance weight. The first stage balance weight is formed between the journal portions and eccentrically arranged with respect to an axis. The second stage balance weight is formed on a center part of the first stage balance weight in the axial direction and projects outward from the first stage balance weight in a radial direction. The balancer shaft has a recess portion on the opposite side of the eccentricity direction.