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.

Date of Patent:
May. 09, 2017

Filed:

May. 29, 2008
Applicants:

Kenichi Yamada, Yaizu, JP;

Hideo Kobayashi, Mishima, JP;

Katuhiko Arisawa, Gotemba, JP;

Toshihisa Sugiyama, Gotemba, JP;

Kunihiko Hayashi, Odawara, JP;

Ryo Michikawauchi, Susono, JP;

Inventors:

Kenichi Yamada, Yaizu, JP;

Hideo Kobayashi, Mishima, JP;

Katuhiko Arisawa, Gotemba, JP;

Toshihisa Sugiyama, Gotemba, JP;

Kunihiko Hayashi, Odawara, JP;

Ryo Michikawauchi, Susono, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M 11/04 (2006.01); F01M 11/00 (2006.01); F16N 31/00 (2006.01); F01M 5/02 (2006.01);
U.S. Cl.
CPC ...
F01M 11/0004 (2013.01); F16N 31/004 (2013.01); F01M 2005/023 (2013.01); F01M 2011/0037 (2013.01); F01M 2011/0045 (2013.01); F01M 2011/0087 (2013.01);
Abstract

An oil pan structure () includes a lower structure () fixed to a lower portion of an engine block, a main oil pan () provided under an engine block with the lower structure being between the main oil pan and the engine block, a sub oil pan () that is provided in the main oil pan () and forms a first chamber () and a second chamber () inside the main oil pan (). The sub oil pan () is separated into an upper body () and a lower body (). The upper body () is formed together with the lower structure () by injection molding.


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