| 摘要 |
PURPOSE: A system for suspension of air expands a subsidiary air spring in case of burst of a main air spring for securing the adjusting stability of a vehicle to prevent an accident and to travel in emergency. CONSTITUTION: A main air spring(60) absorbs the vibration and the impact generated during traveling a vehicle while being located between a vehicle frame(50) and a vehicle shaft(55). Herein, a blocking valve(65) of an air pipe(62) is opened while a subsidiary valve(67) is closed for contracting a subsidiary air spring(70) in a normal state. However, the flowing speed of the air supplied to the main air spring is quickened for closing the blocking valve in case of the burst of the main air spring. Therefore, a subsidiary valve(67) is opened for supplying the air to the subsidiary air spring to be expanded between the vehicle frame and a bracket(57).
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