Pneumatic spring for rail-mounted vehicle, has electrical switching devices attached to cover or to unreeling piston and embedded in elastomer bellows, where devices are made of quantum tunneling composite material

摘要

The spring (1) has electrical switching devices (20, 21) exhibiting an unreeling piston (9) and bellows (7) that are made of elastomer material. Firmness carriers and a pneumatic spring cover (2) are embedded in the bellows. The switching devices are attached to the pneumatic spring cover or to the unreeling piston and embedded in elastomer bellows wall, where the switching devices are made of quantum tunneling composite material. One of the switching devices is made of foam that is flexibly ductile.