Patent ID: 6363985
Filing Date: 2002-04-02
Classification: B60C

Abstract:
A tire inflation system for a vehicle including an axle defining an axis of rotation and a radial direction, at least one pneumatic tire mounted on a hub with bearings, a brake mounting plate, and a brake drum connected to the hub, said tire inflation system comprising,a first annular member having a first air port and a seal chamber in communication with said first air port, said seal chamber defining a radially oriented opening, said first annular member adapted to be mounted onto an axle tube, at least one radially extending seal member mounted within said seal chamber of said first annular member; a second annular member rotatably supported relative to said first annular member and having a second air port and at least one radially facing surface abutting said at least one seal member, said second annular member adapted to be mounted to a hub and rotor assembly, wherein said first annular member, said at least one radially extending seal member and said second annular member substantially define an air delivery passageway extending from said first air port to said second air port.