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:
Jun. 12, 2001
Filed:
Jan. 25, 1999
Applicant:
Inventors:
Yoshihiro Matsubara, Nagoya, JP;
Akio Kokubu, Nagoya, JP;
Kazumasa Yoshida, Nagoya, JP;
Tetsusi Suzuki, Nagoya, JP;
Assignee:
NGK Spark Plug Co., Ltd., Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02D 4/304 ; F02P 9/00 ;
U.S. Cl.
CPC ...
F02D 4/304 ; F02P 9/00 ;
Abstract
In an internal combustion engine, an engine control device,judges based on a cooling water temperature of an engine in what state the engine is. When judged that the engine is in a cold state, the engine control device,produces an ignition signal to feed it to an igniter,so as to spark spark plugs,which are individually placed in cylinders at an exhaust stroke or expansion stroke.