Patent ID: 9073539
Filing Date: 2015-07-07
Classification: B60L,B60W,B60Y,F16D,Y02T

Abstract:
1. An auxiliary power unit capable of energizing a pair of fail-safe brakes that arrest the rotational output of a pair of electric transaxles mounted to a vehicle, each electric transaxle having a separate electric motor engaged to one of the pair of brakes, and each brake having an external electrical connector and requiring electrical power to assume a non-braked state that permits free rotation of its respective electric motor, the auxiliary power unit comprising: a first switchable circuit comprising a first power source connected in parallel with a first visual indicator and a first electrical connector compatible for connection with the external electrical connector of one of the brakes; a second switchable circuit comprising a second power source in parallel with a second visual indicator and a second electrical connector compatible for connection with the external electrical connector of the other of the brakes; and a switch in electrical communication with the first and second switchable circuits, wherein when the switch is closed: