SYSTEM FOR SUPPLYING PRESSURIZED AIR TO TIRE OF AUTOMOBILE

摘要

PROBLEM TO BE SOLVED: To prevent damage of a duct arranged along a suspension column base for sending air to a tire.

SOLUTION: The suspension column base for a automobile has a system for supplying pressurized air to the tire via a hub of a wheel. The suspension column base 20 has a cavity 22 inside. The suspension column base has a seat 21 for installing a bearing unit 10 for the hub of the wheel. The suspension column base 20 has at least a first passage 23 and a second passage 24, and is constituted so as to communicate the cavity 22 with a pressurized air source mounted on the automobile by the second passage by communicating the cavity 22 with a hub bearing unit 10 by the first passage.

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