Pneumatic spring, especially for vehicles

Details Pneumatic spring, especially for vehicles Pneumatic spring, especially for vehicles

1978-11-13

1980-04-29

Reger, Duane A.

Spring devices

Vehicle

Comprising compressible fluid

F16F 308

Patent

active

042002702

ABSTRACT:
A pneumatic spring for vehicles which spring includes two supports as well as at least one closed spring volume and two differently sized spring areas which are subjected to a pressure acting in opposite directions. The two spring surfaces are separated from one another and are variable in size as a function of the travel of the pneumatic spring, two roll bellows are arranged in a casing of the pneumatic spring with opposite spring surfaces of the bellows being supported upon connected spring pistons. The supports are formed, on the one hand, by the spring pistons and, on the other hand, by a casing associated with the walls of the roll bellows. Partial volumes are defined by the roll bellows with the partial volumes being separated from one another so as to maintain the respective volumes essentially independent of the travel of the pneumatic spring.

REFERENCES:
patent: 3046003 (1962-07-01), Schultz
patent: 3627297 (1971-12-01), Gaydecki

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