車両用インホイールモータユニットの潤滑制御装置

Title:

車両用インホイールモータユニットの潤滑制御装置

Document Type and Number:

Japanese Patent JP5884352

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a lubrication control device that prevents deterioration in running stability of a vehicle when there is a difference in driving force due to difference in stirring resistance between in-wheel motor units of right and left wheels.SOLUTION: If the oil levels of right and left in-wheel motor units are different in a high vehicle speed range (VSP≥VSP1) in which the oil stirring resistance exceeds an acceptable level, the difference in oil stirring resistance between right and left wheels increases, and eventually, running stability of a vehicle deteriorates due to the large difference in driving force between the right and left wheels. Therefore, in the high vehicle speed range (VSP≥VSP1), oil pumps of the right and left in-wheel motor units are each driven and controlled such that the oil pumping quantity Q is maintained at a constant flow rate Qconst corresponding to the oil quantity required by the unit. Consequently, it allows the oil levels of the right and left in-wheel motor units to be continuously maintained at the same level, and accordingly, it achieves the same oil stirring resistance in the right and left in-wheel motor units, thereby preventing the difference in driving force between the right and left wheels. As a result, deterioration in running stability can be prevented.

Inventors:

Yasuhiro Yamauchi

Application Number:

JP2011201798A

Publication Date:

March 15, 2016

Filing Date:

September 15, 2011

Export Citation:

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