Flexible coupling including flexible diaphragm means

Details Flexible coupling including flexible diaphragm means Flexible coupling including flexible diaphragm means

F - Mech Eng,Light,Heat,Weapons

16

D

64/8

F16D 3/78 (2006.01) F16D 3/72 (2006.01) F16D 3/77 (2006.01)

Patent

CA 2012991

ABSTRACT OF THE DISCLOSURE FLEXIBLE COUPLING INCLUDING FLEXIBLE DIAPHRAGM MEANS A flexible coupling including flexible diaphragm means has at least one and more commonly a plurality of diaphragms having a particular profile. The profile has first and second contoured sections. The first contoured section has a radially-inwardly decreasing thickness and extends to near the center of the diaphragm and the second section extends therefrom and has a radially-inwardly increasing thickness such that the bending moment developed by axial deflections is small near the thinnest section or the center of the diaphragm, and the stress levels are minimized throughout the diaphragm. The diaphragm profile as described tolerates greater axial deflection and bending before the fatigue and endurance limits of the diaphragm material are reached than has heretofore been the case.

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