Patent ID: 8479847
Filing Date: 2013-07-09
Classification: B60K,B60L,B60W,F16D,F16H,Y02T

Abstract:
1. A controllable speed accessory drive system for a motorized vehicle, comprising: an engine operable over a range of engine speeds; at least one accessory; a planetary gear set operatively connecting said engine and said at least one accessory to permit said at least one accessory to be driven by said engine; a motor/generator operatively connected to said planetary gear set and configured to drive said at least one accessory at a selectable rate, independent of engine speed, when said engine is operated over said range of engine speeds, and to re-start said engine while simultaneously powering said at least one accessory; a first selectively engageable torque transmitting device operatively connected to said planetary gear set and configured to allow said at least one accessory to be driven by said motor/generator when said engine is off; and a breakaway clutch operatively engaged with and configured to ground said selectively engageable torque transmitting device below a predetermined torque and to slip at or above said predetermined torque.