Patent ID: 8267223
Filing Date: 2012-09-18
Classification: B60K,F16H,Y02T

Abstract:
1. A drive assembly that is mounted on a motor vehicle driven with power output to an axle and works to actuate the axle, the drive assembly comprising: a power source unit that outputs power to the axle; and a fluid medium supply mechanism that includes a lower fluid reservoir and a plurality of upper fluid reservoirs and causes a fluid medium retained in the plurality of upper fluid reservoirs to be flowed down by the force of gravity and to be fed to plural different sites of the power source unit, the lower fluid reservoir formed in a lower portion of the drive assembly to retain the fluid medium accumulated therein for soaking at least respective parts of plural mechanical elements of the power source unit, the plurality of upper fluid reservoirs formed at a plurality of different locations in an upper portion of the drive assembly to retain the fluid medium scooped up by the plural mechanical elements, wherein the multiple upper fluid reservoirs include a first upper fluid reservoir that retains the fluid medium scooped up by a rotating electrical machine and a second upper fluid reservoir that retains the fluid medium scooped by a gear train.