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:
Mar. 22, 2022
Filed:
Dec. 11, 2020
Applicant:
Kubota Corporation, Osaka, JP;
Inventors:
Assignee:
KUBOTA CORPORATION, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01M 13/00 (2006.01); F01M 13/02 (2006.01); F01M 13/04 (2006.01);
U.S. Cl.
CPC ...
F01M 13/022 (2013.01); F01M 13/04 (2013.01); F01M 2013/0044 (2013.01); F01M 2013/0083 (2013.01); F01M 2013/0438 (2013.01);
Abstract
The ventilator-equipped engine is configured to: guide a blow-by gas generated in a crankcase to an intake passage through an inside of a cylinder head, an inside of a head cover, and a pressure regulating valve; and to directly introduce fresh air into an internal space of the cylinder head by providing a fresh air introduction passage that extends across the intake passage and the cylinder head.