Multi stage pneumatic spring for vehicle, has auxiliary air chamber with jar including cover, in which single piece, form fit insert is connected with jar and cover, where insert has connecting line for exchanging air between air chambers

摘要

The spring (1) has a control valve that is utilized between air chambers in a connecting line. The control valve throttles and/or interrupts exchange of air between the chambers in dependent of driving dynamics. An auxiliary air chamber (3) has a jar with a cover, in which a single piece, form fit insert (10) is connected with the jar and the cover. The insert has a connecting line (11) for exchanging air between the air chambers and is made of plastic. An elastic seal is provided between edges of connecting plates and the cover.