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. 14, 2009
Filed:
Sep. 14, 2006
Shiro Yamaoka, Hitachi, JP;
Hiromu Kakuya, Hitachi, JP;
Kunihiko Suzuki, Hitachinaka, JP;
Shinya Satou, Hitachinaka, JP;
Atsushi Shimada, Hitachinaka, JP;
Shiro Yamaoka, Hitachi, JP;
Hiromu Kakuya, Hitachi, JP;
Kunihiko Suzuki, Hitachinaka, JP;
Shinya Satou, Hitachinaka, JP;
Atsushi Shimada, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A control apparatus of an engine having a compression ignition combustion mode and a spark ignition combustion mode selects the spark ignition combustion mode when operation conditions fall within a spark ignition operation area set in a spark ignition operation area/compression ignition operation area setting map memory part and selects the compression ignition combustion mode when the operation conditions fall within a switching stable area set in the memory part upon operation by the spark ignition combustion mode. The control apparatus controls to continue the compression ignition combustion mode as long as the operation conditions fall within a compression ignition operation area set in the memory part upon operation by the compression ignition combustion mode.