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:
Sep. 15, 2020
Filed:
Dec. 05, 2017
Applicant:
Kubota Corporation, Osaka-shi, Osaka, JP;
Inventors:
Assignee:
KUBOTA Corporation, Osaka-Shi, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01M 13/04 (2006.01); F01M 13/00 (2006.01); F01M 13/02 (2006.01);
U.S. Cl.
CPC ...
F01M 13/04 (2013.01); F01M 13/0416 (2013.01); F01M 2013/0038 (2013.01); F01M 2013/026 (2013.01); F01M 2013/0438 (2013.01); F01M 2013/0461 (2013.01);
Abstract
In an engine head cover, an upper portion of a partition plate, which partitions an inside of a head coverinto upper and lower portions, forms a blowby gas passage W having an inletand an outletcommunicating with an intake path. A PCV valvedisposed on the outletside, a filterdisposed on the inletside, and a labyrinthdisposed between the PCV valveand the filterare provided. A recovery holewhich causes a flowdown of trapped oil is formed at a portion on a downstream side of the filterin a flow direction of a blowby gas in the blowby gas passage W and on a lower side of the labyrinthand the pressure regulating valve