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:
Feb. 26, 2019
Filed:
Aug. 05, 2015
Hitachi Automotive Systems, Ltd., Ibaraki, JP;
Shinji Nakagawa, Tokyo, JP;
Toshio Hori, Tokyo, JP;
HITACHI AUTOMOTIVE SYSTEMS, LTD, Ibaraki, JP;
Abstract
Provided is an engine control apparatus capable of detecting degradation in particulate filter performance. An input unit receives a first signal indicating an exhaust gas state (Tpf_) inside or downstream of a particulate filter that traps particulate substance contained in engine exhaust gas. A determination unitdetermines whether the particulate filter is degraded on the basis of the exhaust gas state (Tpf_) indicated by the first signal in a period (fFC=1) in which fuel supply to the engine is blocked.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile