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:
Nov. 17, 2009
Filed:
Jul. 25, 2006
Applicants:
Tadatsugu Udono, Mino, JP;
Takashi Okada, Hitachinaka, JP;
Minoru Ohsuga, Hitachinaka, JP;
Eiichi Ohtsu, Mito, JP;
Inventors:
Tadatsugu Udono, Mino, JP;
Takashi Okada, Hitachinaka, JP;
Minoru Ohsuga, Hitachinaka, JP;
Eiichi Ohtsu, Mito, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A start-up assisting degree by a motor is set at an appropriate level on the basis of a catalyst condition represented by a catalyst temperature, an oxygen storage (degree) in the catalyst, a change in combustion control represented by an air-fuel ratio for combustion, an ignition timing, or an engine condition such as an engine stopping time period, an engine cooling water temperature, a crank stopping position or rotational load.