Compressed gas spring has two opposite acting pressure chambers separated by piston equipped with check valve, and with different effective areas, the check valve having preloading or setting determining pressure difference

摘要

The compressed gas spring has two opposite acting pressure chambers (1,2) separated by a piston (4) equipped with a check valve (3), and with different effective areas. The check valve has a preloading or setting determining a pressure difference. The check valve is regulated depending upon displacement or pressure.