| 摘要 |
PROBLEM TO BE SOLVED: To improve a cost performance and ride comfort of an occupant by setting a spring constant of an air spring into an optional value steplessly with a simple structure. SOLUTION: The air suspension device 10 includes: a valve 26 selectively communicating or shutting off a primary air chamber 13 and an auxiliary air chamber 28; and a switch control part 32 for controlling switching of the valve 26. The switch control part 32 alternately and continuously switches the communication state and the shutoff state of the primary air chamber 13 and the auxiliary air chamber 28 by the valve 26 within the prescribed time in accordance with operation by the occupant or a vehicle state. COPYRIGHT: (C)2011,JPO&INPIT |
