Patent ID: 9667116
Date: 2017-05-30
CPC Classifications: F16M,H02K

Claim:
1. A generator in which a stator is fixed to a housing which includes a first bracket having a bearing portion for pivotally supporting one end portion of a rotary shaft, and a second bracket covering a cooling fan that rotates with the rotary shaft, and a rotor surrounded by the stator is fixed to the rotary shaft, wherein the stator is fixed to the first bracket, and the first bracket is integrally provided with a tubular portion which surrounds the stator so as to permit cooling air sucked in by the cooling fan to flow between the tubular portion and an outer periphery of the stator, the second bracket is connected to the tubular portion, and the first and second brackets are respectively provided with positioning holes into which to fit opposite end portions of a plurality of knock pins used to position the rotary shaft and a driving shaft in an axially aligned manner before the second bracket fastened to a driving source having the driving shaft coaxially connected to the rotary shaft is fastened to the first bracket whose bearing portion rotatably supports one end portion of the rotary shaft.