A transfer case for a vehicle having a selective four wheel drive mode of operation is provided. The transfer case includes a front shell boltably connected with a rear shell, a front axle output shaft and sprocket, and a main input shaft torsionally connected with a transmission and rear axle of the vehicle. A main sprocket is provided, rotatably mounted on the main input shaft. The sprocket has an axial extension. A chain torsionally connects the main sprocket with the front axle output sprocket. A clutch housing having a splined opening is torsionally connected with the main sprocket extension. A hub is spline connected on the main input shaft. A clutch pack is selectively torsionally connected with the clutch housing and with the hub. A pressure plate is provided to actuate the clutch pack. An electrically powered ball ramp mechanism is provided for axially displacing the pressure plate to torsionally join the main input shaft to the front axle input shaft causing the main sprocket extension to contact the hub.


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    Title :

    Transfer case


    Contributors:

    Publication date :

    2018-07-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / F16H Getriebe , GEARING



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