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:
Jan. 04, 2005
Filed:
Mar. 31, 2003
Tsuyoshi Murakami, Kariya, JP;
Ryohei Shigeta, Kariya, JP;
Hisao Fumoto, Aki-gun, JP;
Hideshi Hiruta, Aki-gun, JP;
Masashi Oda, Aki-gun, JP;
Tsuyoshi Murakami, Kariya, JP;
Ryohei Shigeta, Kariya, JP;
Hisao Fumoto, Aki-gun, JP;
Hideshi Hiruta, Aki-gun, JP;
Masashi Oda, Aki-gun, JP;
Toyoda Koki Kabushiki Kaisha, Kariya, JP;
Abstract
A four-wheel drive vehicle has front wheels and rear wheels driven by an engine, and a coupling for changing the distribution ratio of torque to the front wheels and the rear wheels. An ECU determines whether engine braking is being applied based on the vehicle speed V and the throttle opening degree Od. When determining that engine braking is being applied, the ECU temporarily performs the engine braking related control. The ECU controls the engaging force of the coupling such that the distribution ratio of torque to the front wheels and the rear wheels is changed to a more equalized state in the engine braking related control than that before the engine braking related control is started. Accordingly, the fixing force of the front wheels and the rear wheels is temporarily increased without delay when engine braking is applied.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile