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:
May. 12, 2020
Filed:
Feb. 02, 2017
Applicant:
Isuzu Motors Limited, Shinagawa-ku, Tokyo, JP;
Inventors:
Motoki Mitsuyama, Hachioji, JP;
Hirofumi Hashimoto, Ayase, JP;
Hotaka Saitou, Fujisawa, JP;
Hitoshi Takikawa, Yokohama, JP;
Assignee:
ISUZU MOTORS LIMITED, Shinagawa-Ku, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02B 37/00 (2006.01); F02B 37/16 (2006.01); F02B 37/013 (2006.01); F02B 37/18 (2006.01); F02D 41/00 (2006.01); F02D 23/00 (2006.01); F02D 23/02 (2006.01);
U.S. Cl.
CPC ...
F02B 37/004 (2013.01); F02B 37/013 (2013.01); F02B 37/16 (2013.01); F02B 37/162 (2019.05); F02B 37/18 (2013.01); F02D 41/0007 (2013.01); F02D 23/00 (2013.01); F02D 23/02 (2013.01); F02D 2200/0406 (2013.01); F02D 2250/34 (2013.01); Y02T 10/144 (2013.01);
Abstract
In an engine systemhaving a high-pressure stage turbochargerand a low-pressure stage turbochargerprovided in series, a control deviceis configured to perform control such that when switching from multi-stage supercharging Cm to single-stage supercharging Cs, after only the exhaust bypass valveis opened, and thereafter, an intake bypass valveis opened later than at a timing at which the exhaust bypass valveis opened.