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:
Oct. 12, 2021
Filed:
Jan. 24, 2019
Applicant:
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Inventors:
Naoki Yoneya, Tokyo, JP;
Takashi Okamoto, Hitachinaka, JP;
Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD., Hitachinaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/40 (2006.01); F02D 41/00 (2006.01); F02D 41/04 (2006.01); F02D 13/02 (2006.01); F02B 47/02 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0025 (2013.01); F02D 13/0234 (2013.01); F02D 41/04 (2013.01); F02B 47/02 (2013.01);
Abstract
The present invention provides a method for avoiding knocking in an internal combustions engine, preferably in a gasoline engine with a high compression ratio and a variable valve train which is able to perform EIVC, by injecting a non-combustible fluid into the intake port and/or in the cylinder during a transient operating mode.