Motor vehicles – With means for detecting wheel slip during vehicle...
Patent
1987-03-23
1988-10-11
Love, John J.
Motor vehicles
With means for detecting wheel slip during vehicle...
180249, 192 352, 324161, B60K 1735
Patent
active
047764210
ABSTRACT:
In a full time type four wheel drive power transmission system having a planetary gear mechanism for dividing input power supplied to the carrier into a first output power delivered from the sun gear for one pair of four wheels and a second output power delivered from the ring gear for another pair of four wheels or directly connecting the sun gear and the ring gear to the carrier by selectively rotationally connecting the sun gear and the ring gear by a clutch, the ring gear and the casing of the clutch are respectively provided with a series of teeth or other surface projections or unevenness, and two sensors are provided respectively to detect each unevenness for detecting rotational speed of the sun gear and the ring gear.
REFERENCES:
patent: 3617099 (1971-11-01), Sugiyama
patent: 4164872 (1979-08-01), Weigl
patent: 4467886 (1984-08-01), DeClaire et al.
Love John J.
Toyota Jidosha & Kabushiki Kaisha
Watts Charles R.
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