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:
Apr. 20, 2021
Filed:
Aug. 27, 2019
Applicant:
Tula Technology, Inc., San Jose, CA (US);
Inventors:
Xi Luo, San Jose, CA (US);
Jerry F. Fuschetto, Bay Point, CA (US);
Xin Yuan, Palo Alto, CA (US);
Matthew A. Younkins, Campbell, CA (US);
Assignee:
Tula Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/30 (2006.01); F02D 41/40 (2006.01); F02D 41/38 (2006.01);
U.S. Cl.
CPC ...
F02D 41/3094 (2013.01); F02D 41/402 (2013.01); F02D 2041/389 (2013.01); F02D 2200/021 (2013.01);
Abstract
A vehicle, engine controller and method for coordinating direct split injection of two or more pulses of fuel during a working cycle of a reactivated cylinder which was deactivated in a previous working cycle is described. By using split injection for the reactivated cylinder, the particulate matter and particulate number ('PM/PN') generated by the reactivated cylinder is reduced.