Energy storage flywheels and method of mounting

Details Energy storage flywheels and method of mounting Energy storage flywheels and method of mounting

1984-09-21

1986-02-11

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Assembling or joining

29446, B23P 1902, B23P 1102

Patent

active

045691142

ABSTRACT:
A method of mounting a fibre composite flywheel on a relatively stiff shaft, such as a metal or carbon fibre shaft, comprising passing the shaft through a hole in a hub at the center of the flywheel and securing the flywheel to the shaft wherein the shaft has a tapered portion and a deformable sleeve is positioned between the shaft and the hub of the flywheel on assembly. The deformable sleeve comprises a hollow cylinder having a tapered bore which corresponds to the tapered portion of the shaft and having an outside diameter which, before deformation, is larger than the diameter of the hole in the hub of the flywheel by an amount which is greater than the theoretical amount of radial growth which the hole in the hub would experience at the maximum operating speed of the flywheel. On assembly, the deformable sleeve is deformed such that it will fit in the hole in the hub of the flywheel and the deformable sleeve is driven along the tapered portion of the shaft thereby forcing the deformable sleeve towards its undeformed shape and subjecting the hub of the flywheel to compressive forces.

REFERENCES:
patent: 4048898 (1977-09-01), Salter

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