Patent ID: 6412588
Filing Date: 2002-07-02
Classification: B60K,F17C,Y10T

Abstract:
A method of providing and maintaining CNG fuel supply systems for a fleet of buses, comprising:(a) providing each bus with plurality of roof mounted Type 4 tanks; (b) machine bending to specified tolerances a plurality of pre-fabricated tubing pieces for the fuel system of the fleet of buses so that the tubing pieces are interchangeable between buses; (c) providing each bus with a substantially identical roof mounted manifold line for supplying fuel to the engine of the bus; (d) connecting each of the tanks to its associated mainfold line with both an inlet tubing piece and an outlet tubing piece, selected from said pre-fabricated tubing pieces; and (e) maintaining a maintenance inventory of said pre-fabricated tubing for repair of the fleet of buses; and wherein step (b) includes machine forming a continuous 180Â° bend in each of the outlet tubing pieces.