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:
Dec. 27, 2016
Filed:
May. 31, 2012
Applicant:
Hiroyuki Tanaka, Suntou-gun, JP;
Inventor:
Hiroyuki Tanaka, Suntou-gun, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 75/04 (2006.01); F02D 23/00 (2006.01); F02D 41/14 (2006.01); F02D 13/02 (2006.01); F02D 15/04 (2006.01); F02D 41/00 (2006.01); F02B 37/18 (2006.01); F01L 1/344 (2006.01);
U.S. Cl.
CPC ...
F02B 75/04 (2013.01); F02D 13/0276 (2013.01); F02D 23/005 (2013.01); F02D 41/1446 (2013.01); F02D 41/1448 (2013.01); F01L 1/3442 (2013.01); F01L 2800/00 (2013.01); F02B 37/18 (2013.01); F02D 15/04 (2013.01); F02D 41/0007 (2013.01); F02D 2041/001 (2013.01); F02D 2200/0406 (2013.01); Y02T 10/18 (2013.01);
Abstract
This internal combustion engine comprising a variable compression ratio mechanism either measures an exhaust temperature or exhaust pressure which varies according to an actual expansion ratio, or measures a physical quantity which varies according to the exhaust temperature and/or the exhaust pressure, and estimates the current mechanical compression ratio on the basis of the measured value.