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:
Jan. 02, 2001
Filed:
Jun. 03, 1998
Isamu Kazama, Kanagawa, JP;
Masayuki Yasuoka, Yokohama, JP;
Hiroshi Iwano, Kanagawa, JP;
Takahiro Yoshino, Yokohama, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
An engine comprising a throttle controller operable in response to an intake air control command, a fuel controller operable in response to a fuel control command, and an engine controller for generating the intake air control command and the fuel control command. The engine controller determines a target equivalence ratio for detected operating state of the engine, controls a change between stratified charge combustion and homogeneous charge combustion, delays the target equivalent ratio, determines the intake air control command and the fuel control command in response to the delayed target equivalence ratio.