Air spring has energy producing device which has pressure chamber with two elastic walls, where pressure chamber is formed as pressure-resistant, air-tight housing

摘要

The air spring (1) has an energy producing device (10) which has a pressure chamber with two elastic walls, where the pressure chamber is formed as pressure-resistant, air-tight housing. A piezo element is arranged on each of the walls. The energy producing device is arranged in the inner side of the air spring.