Drive unit vibration damping support for electric...

Details Drive unit vibration damping support for electric... Drive unit vibration damping support for electric...

2010-05-12

2011-12-27

Shriver, II, J. Allen (Department: 3618)

Land vehicles

Wheeled

Running gear

C180S065510

Reexamination Certificate

active

08083243

ABSTRACT:
A drive unit vibration damping support for use in an electric motor-driven vehicle combines the following structural features. A subframe construction in which a drive unit is supported in vibration damping fashion on a subframe through a first vibration damping device, and the subframe is supported in vibration damping fashion on a vehicle through a second vibration damping device. A total spring constant of the first vibration damping device in a direction of input of torque reaction force of the drive unit is larger than a total spring constant of the second vibration damping device. An average value of a distance between a torque roll axis of the drive unit and the second vibration damping device is greater than an average value of a distance between the torque roll axis and the first vibration damping device.

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