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:
Feb. 14, 2023
Filed:
Jan. 19, 2022
Applicant:
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
Inventors:
Taiki Kawate, Susono, JP;
Kazuhito Sakai, Mishima, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 75/18 (2006.01); F16C 3/08 (2006.01); F16C 3/22 (2006.01);
U.S. Cl.
CPC ...
F02B 75/18 (2013.01); F16C 3/08 (2013.01); F16C 3/22 (2013.01);
Abstract
A crankshaft in which vibrations can be damped effectively without changing a design of a crankcase. The crankshaft comprises a first crank section located at one end of the crankshaft, and a second crank section located at the other end of the crankshaft. In the first crank section, a mass of a first inner balance weight is greater than a mass of a first outer balance weight. In the second crank section, a mass of a second inner balance weight is greater than a mass of a second outer balance weight.