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 6705271 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 16, 2004

Filed:

Sep. 03, 2002
Applicant:
Inventor:

Yumin Liu, Fussa, JP;

Assignee:

Kioritz Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01M 1/00 ;
U.S. Cl.
CPC ...
F01M 1/00 ;
Abstract

The present invention relates to a four-stroke cycle internal combustion engine in which lubrication oil is atomized to generate oil mist so as to lubricate an internal mechanism of the engine with the oil mist. The four-stroke cycle internal combustion engine includes an oil-mist breather in fluid communication with a fuel tank of the engine. Any oil mist remaining after the lubrication of the internal mechanism is discharged into the fuel tank through the oil-mist breather Since no oil mist remains in the oil-mist breather the air filter of the engine is not contained by the oil mist.


Find Patent Forward Citations

Liu, Yumin. (2004). Four-stroke cycle internal combustion engine (U.S. Patent No. 6705271). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6705271

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