Drive system for automotive vehicle of front-and-rear wheel...

Details Drive system for automotive vehicle of front-and-rear wheel... Drive system for automotive vehicle of front-and-rear wheel...

2005-03-08

2005-03-08

Ip, Paul (Department: 2837)

Electricity: motive power systems

Braking

C318S465000, C180S065230, C180S065310, C701S022000

Reexamination Certificate

active

06864652

ABSTRACT:
A drive system for an automotive vehicle of the front-and-rear wheel drive type, comprising a primary drive mechanism for drive of a set of front road wheels and an ancillary drive mechanism for drive of a set of rear roar wheels, wherein the front road wheels are driven by operation of the primary drive mechanism at a two-wheel drive mode and wherein the front and rear road wheels are driven by operation of both the primary and ancillary drive mechanisms at a four-wheel drive mode. In the drive system, a drive power applied to the primary road wheels is restricted to a predetermined value when the vehicle is driven by the primary and ancillary drive mechanisms at the front-and-rear wheel drive mode.

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