Spring devices – Vehicle – Comprising compressible fluid
Patent
1999-05-24
2000-07-18
Schwartz, Chris
Spring devices
Vehicle
Comprising compressible fluid
267 6421, 280124141, F16F 904
Patent
active
060895527
ABSTRACT:
The invention is directed to an air spring system wherein an adequate carrying off of heat is ensured for a shock absorber (18) which is completely within an air spring (16) which includes a flexible member (4) and a roll-off piston (6). The interior spaces (12, 14) of the flexible member (4) and the roll-off piston (6) communicate with each other. In lieu of a conventional clamping plate, a funnel-shaped insert (22) is disposed between the flexible member (4) and the roll-off piston (6). The insert (22) surrounds the shock absorber (18) in such a manner that an annular nozzle-shaped narrow (23) results between the walls of the shock absorber (18) and the inner surface of the funnel-shaped insert (22). Openings (26) are disposed on the outer region of the insert (22). These openings (26) as well as the nozzle-shaped narrow (23) define a connection between the volume (12) of the flexible member (4) and the volume (14) of the roll-off piston (6). An air circulation (30) with an air flow along the wall of the shock absorber (18) results during spring compression and spring expansion.
REFERENCES:
patent: 2980441 (1961-04-01), Timpner et al.
patent: 3010715 (1961-11-01), Slemmons et al.
patent: 4325541 (1982-04-01), Korosladanyi et al.
patent: 4635745 (1987-01-01), Myers et al.
patent: 5129634 (1992-07-01), Harris
patent: 5667203 (1997-09-01), Romer
Contitech Luftfedersysteme GmbH
Ottesen Walter
Schwartz Chris
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