Patent ID: 7992501

Claim:
An apparatus for reducing friction comprising: a vehicle having at least one passive rail, at least one motive rail, and a cold fluid supply; a support having at least one passive roller and at least one powered roller; the at least one powered roller rollingly engaging the at least one motive rail and the at least one passive roller rollingly engaging the at least one passive rail; a drive causing the at least one powered roller to engage the at least one motive rail; a cold fluid flowing from the cold fluid supply to adjacent one or more of the at least one passive rail and/or the at least one motive rail; and a cold condensate being formed between the one or more of the at least one passive rail and/or the at least one motive rail and one or more of the at least one passive roller and/or the at least one powered roller reducing frictional between the one or more of the at least one passive roller and/or the at least one powered roller and the one or more of the at least one passive rail and/or the at least one motive rail.