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. 03, 2022
Filed:
Jan. 31, 2019
Applicant:
Toyota Boshoku Kabushiki Kaisha, Aichi-ken, JP;
Inventors:
Tomoyo Ohno, Nagoya, JP;
Ryusuke Kimura, Ichinomiya, JP;
Assignee:
TOYOTA BOSHOKU KABUSHIKI KAISHA, Aichi-Ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 35/10 (2006.01); F02M 35/024 (2006.01); B01D 45/16 (2006.01); B01D 50/00 (2022.01); F02M 35/02 (2006.01);
U.S. Cl.
CPC ...
F02M 35/024 (2013.01); B01D 45/16 (2013.01); B01D 50/002 (2013.01); F02M 35/0201 (2013.01); F02M 35/10262 (2013.01);
Abstract
A pre-cleaner for an internal combustion engine is arranged in an intake passage of the internal combustion engine at an upstream side of a filter of an air cleaner. The pre-cleaner includes a casing that includes a cylindrical side wall and swirl generation vanes that swirl intake air about an axis of the casing. The side wall has a portion located next to an upstream side of the swirl generation vanes that is formed from an air-permeable fibrous molded body.