Patent ID: 7673466
Filing Date: 2010-03-09
Classification: B60H,B60P,Y02T

Abstract:
1. An auxiliary power device for trucks having a cab and a towed refrigerated trailer having an on-board motor-powered refrigeration unit, the auxiliary power device supplying electrical power to the truck cab when parked for supplying auxiliary 120 VAC electrical power to said truck cab without idling the truck's engine, comprising: a housing attached beneath the existing refrigeration unit of said refrigerated trailer, said housing having a pass-through aperture; an electric generator enclosed within said housing; a pulley assembly mounted in said housing proximate the generator and connected thereto for turning the generator and generating electrical power; a drive belt connected at one end via pulley to the motor of said existing refrigeration unit, and connected at another end to said pulley assembly; control means connected between said generator and a throttle/fuel solenoid of the refrigeration unit motor for controlling the speed of said motor in said existing refrigeration unit; a relay connected between said generator and the refrigeration unit battery for preventing drainage from said battery; and a junction box mounted on the cab of said truck, at least one electrical output from said generator being connected to said junction box for distributing power from said electric generator to said truck cab.