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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 10920720 B1

PDFFull Text
Date of Patent:
Feb. 16, 2021

Filed:

Jan. 06, 2017

Internal combustion engine having air cleaner

Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventors:

Shota Gomibuchi, Wako, JP;

Manabu Hashimoto, Wako, JP;

Yusuke Ninomiya, Wako, JP;

Assignee:

HONDA MOTOR CO., LTD., Tokyo, JP;

Attorney:

Westerman, Hattori, Daniels & Adrian, LLP

Primary Examiner:

Robert Clemente

Int. Cl.
CPC ...
F02M 35/02 (2006.01); B01D 46/00 (2006.01); B01D 50/00 (2006.01); F02M 35/024 (2006.01); F02M 35/04 (2006.01); F02M 35/022 (2006.01); F02M 35/08 (2006.01); B01D 45/16 (2006.01); B01D 46/24 (2006.01); F02B 63/02 (2006.01); F02B 75/02 (2006.01);
U.S. Cl.
CPC ...
F02M 35/0201 (2013.01); B01D 45/16 (2013.01); B01D 46/0024 (2013.01); B01D 46/2411 (2013.01); B01D 50/002 (2013.01); F02B 63/02 (2013.01); F02M 35/0216 (2013.01); F02M 35/0223 (2013.01); F02M 35/02483 (2013.01); F02M 35/048 (2013.01); F02M 35/084 (2013.01); F02B 2075/027 (2013.01);
Abstract

An internal combustion engine () having a cylinder () having a rearwardly slanted axial line is provided with a plurality of cylindrical cyclone dust collection units () commonly connected to an upstream end of a filter dust collection unit (). Each cyclone dust collection unit includes a main body () internally defining a separation chamber (C), and having an air inlet () communicating with outside and an air outlet () communicating with the filter dust collection unit, and the separation chamber is provided with a dust ejection hole (D) directed tangentially in an obliquely forward direction. Thereby, dust ejected from the dust ejection hole is ejected away from the operator of the engine, and is prevented from depositing on the engine.

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