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.:

US 8601993 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 10, 2013

Filed:

Feb. 17, 2009
Applicants:

Masashi Koyanagi, Wako, JP;

Yoshinobu Ozaki, Wako, JP;

Inventors:

Masashi Koyanagi, Wako, JP;

Yoshinobu Ozaki, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 75/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

An engine balancer device is provided that can prevent an increase in the number of component parts and the enlargement of an engine. The balancer weight includes a primary balancerrotated at the same speed as, and in a counter direction to a crankshaftand a coupling balancer for suppressing moment force resulting from the reciprocative weight of the engine. The coupling balancer is integrally provided on a driven gearfor transmitting rotation of the crankshaftto the primary balancer


Find Patent Forward Citations

Koyanagi, Masashi. (2013). Engine balancer device (U.S. Patent No. 8601993). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8601993

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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