Air spring elliptical piston

Details Air spring elliptical piston Air spring elliptical piston

2005-06-07

2005-06-07

Siconolfi, Robert A. (Department: 3683)

Spring devices

Vehicle

Comprising compressible fluid

C267S064210, C267S064270

Reexamination Certificate

active

06902155

ABSTRACT:
A side load compensating air spring piston having an elliptical cross-section. The side load compensating air spring comprises an air spring sleeve forming a chamber and having a rolling lobe. One end of the sleeve is attached to a tilted end cap for side load compensation. The other end of the sleeve has a rolling lobe engaged with a piston elliptical outer surface. The piston elliptical outer surface is disposed at a 90° angle to an elliptical stress distribution in the sleeve, thereby rendering the stress distribution uniform in the sleeve rolling lobe portion as it rolls on the piston.

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