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:
Feb. 28, 2023
Filed:
Mar. 03, 2022
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventor:
Hitoki Sugimoto, Toyota, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01); F01L 9/20 (2021.01); F01L 13/08 (2006.01); F01L 1/344 (2006.01); F02D 13/02 (2006.01); F02D 41/06 (2006.01); F01L 9/40 (2021.01);
U.S. Cl.
CPC ...
F01L 9/20 (2021.01); F01L 1/34 (2013.01); F01L 1/344 (2013.01); F01L 13/08 (2013.01); F02D 13/0234 (2013.01); F02D 13/0238 (2013.01); F02D 41/062 (2013.01); F01L 2009/4084 (2021.01); F01L 2760/001 (2013.01); F01L 2800/01 (2013.01); F02D 2200/021 (2013.01); F02D 2200/50 (2013.01);
Abstract
If an engine coolant temperature is equal to or lower than a first low-temperature determination value and a battery temperature is equal to or lower than a second low-temperature determination value when a request to start up an engine is made, the advancement driving of a variable valve operating mechanism is first started. Then, when an advancement amount of the variable valve operating mechanism later becomes equal to or larger than a prescribed startup start determination value, is started.