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.

Date of Patent:
Jun. 08, 2010

Filed:

Aug. 03, 2006
Applicants:

Ken Ogawa, Wako, JP;

Toru Kitamura, Wako, JP;

Inventors:

Ken Ogawa, Wako, JP;

Toru Kitamura, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a control system for a compression-ignition engine whose operation is switchable between a compression-ignition operation in which an air-fuel mixture supplied to a combustion chamber auto-ignites to burn owing to compression and a spark-ignition operation in which the air-fuel mixture is ignited to burn by a spark of a spark plug, it is determined whether a predetermined permissible condition to permit switching from the spark-ignition to the compression-ignition operation is satisfied, and switching from the spark-ignition operation to the compression-ignition operation is permitted when the predetermined permissible condition is satisfied, thereby enabling to expand the compression-ignition operation utilization region so long as permissible in light of the engine operating condition.


Find Patent Forward Citations

Loading…