Patent ID: 9680354
Date: 2017-06-13
CPC Classifications: H02K

Claim:
1. A winding cooling structure of shaft motor, comprising: a mover seat being a tubular body section and having a closed annular chamber being coaxially formed in the mover seat; multiple annular windings serially connected with each other and coaxially received in the chamber; and a predetermined volume of cooling fluid contained in the chamber and around the windings and filling the chamber; wherein the mover seat further includes an inner tube, a tubular housing coaxially fitted around the inner tube and two end pieces respectively disposed at two axial ends of the housing in abutment against two axial ends of the inner tube, an inner circumference of the housing and an outer circumference of the inner tube are spaced apart, the chamber being sealed by the end pieces; wherein the mover seat further includes two first sealing rings respectively clamped between two ends of the housing and the end pieces and two second sealing rings respectively clamped between two ends of the inner tube and the end pieces.