F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 9/05 (2006.01)
Patent
CA 2498715
A side load compensating air spring piston (20) having an elliptical cross- section. The side load compensating air spring (100) comprises an air spring sleeve (10) forming a chamber and having a rolling lobe (15). One end of the sleeve is attached to a tilted end cap (11) 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.
L'invention porte sur un piston de ressort pneumatique de compensation des charges latérales, de section transversale elliptique, dont la membrane du ressort pneumatique constitue une chambre à lobe roulant. L'une des extrémités de la membrane est fixée à une calotte inclinée pour compenser les charges latérales, tandis que son autre extrémité forme un lobe roulant fixé à la surface supérieure elliptique du piston. Cette dernière fait un angle de 90· avec la distribution elliptique des contraintes dans la membrane, de manière à uniformiser la distribution des contraintes dans le lobe roulant se déplaçant le long du piston.
Freudenberg-Nok General Partnership
Macrae & Co.
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