Patent ID: 8196685
Filing Date: 2012-06-12
Classification: B60K,B60L,B60W,B60Y,Y02T

Abstract:
1. An outboard electric drive attachable to a vehicle comprising: a hitch attachable to a vehicle; a swing arm pivotally connected to the hitch; a wheel rotatably secured to the swing arm; an electric motor operatively connected to the wheel; a momentum switch capable of detecting acceleration and deceleration operatively coupled to the electric motor; an electric storage battery operatively connected to the electric motor and momentum switch; and a motor controller electrically connected to the electric motor, electric storage battery, and momentum switch such that the wheel applies force in the direction of vehicle travel when the momentum switch senses acceleration and applies force in the direction opposite the direction of vehicle travel when the momentum switch senses deceleration and recharges the battery; wherein the momentum switch comprises