Patent ID: 8245700
Filing Date: 2012-08-21
Classification: F04D,F05D

Abstract:
1. A supercharger having an impeller shaft defining a proximal section, a distal section of a reduced diameter and a transitional section disposed therebetween, an impeller directly mounted on the distal section of the impeller shaft and at least one bearing assembly positioned about a portion of the proximal section of the impeller shaft, the improvement comprising a spacer assembly positioned circumferentially on the impeller shaft between the impeller and the bearing assembly, said spacer assembly comprising a first tubular spacer and a second spacer, said first tubular spacer being positioned about a second portion of said proximal section of the impeller shaft and said transitional section thereof and bearing against said bearing assembly and said second spacer, said second spacer being separable from said first tubular spacer and positioned adjacent to and bearing against a base of the impeller whereby said spacer assembly provides stiffening support for said impeller shaft proximate said transitional section thereof.