The transfer case is
a planetary center differential that delivers 62 percent of the engine torque to the rear axle and 38 percent to the front.
TLDR:
Planetary center differential with viscous coupling.
Not exact matches
Audi Q5 Audi's Quattro all - wheel drive is based on a torque - sensing
center differential, with the bias controlled by two sets of
planetary gears and several friction discs.
The 4MATIC system as installed in 2012 Mercedes passenger cars, sports a
planetary type
center differential that's integrated with the transmission casing.
The self - locking
center differential is configured as a
planetary gear.
For the 1991 model year, the Impulse RS was introduced with a 160 hp (119 kW) turbocharged engine and all - wheel drive drivetrain which featured rear viscous
differential and
center planetary differential and viscous coupling.
In Auto mode the new software algorithms allowed the multi-disc clutch pack's friction and clutch discs to slip as needed, simulating a
planetary or bevel geared
center differential, making a geared
differential redundant.
[1] BorgWarner's original design called for using both a software controlled electromagnetic multi-disc (also called multi-plate) clutch pack and a
planetary or bevel geared
center differential together.
However, as the development process continued, engineers at BorgWarner discovered that, with clever software programming, they could control the variable electromagnetic multi-disc clutch to a point where it would allow the front and rear drive shafts to turn at different rotational speeds on its own, without the aid of a
planetary or bevel geared
center differential.
[1] Instead of a
planetary or bevel geared
center differential, the system uses a variable intelligent locking
center multi-disc
differential.
Utilizing a combination of electronic and mechanical
center differentials mated with yet a third
planetary gear - type
differential, the standard all - wheel - drive setup now defaults to a slightly rear - biased 41:59 torque split, but that split can vary continuously up to a lock of 50:50.
The self - locking
center differential is configured as a
planetary gear and works strictly mechanically.