Impeller
AssigneeDelta Electronics, Inc.
InventorsWei-I Ling, Chao-Fu Yang, Chih-Chung Chen, Kuo-Tung Hsu
Life of this patent
Estimating the term…
Abstract
An impeller is provided, including a metal housing, a shaft, and a plastic member. The metal housing has a shaft mounting hole. The inner surface of the shaft mounting hole includes three or more contact points, and the contact points are closer to the shaft than other portions of the inner surface of the shaft mounting hole. The shaft passes through the shaft mounting hole and is affixed by the contact points. The metal housing divides the shaft into an upper section, a middle section, and a lower section. The plastic member passes through the shaft mounting hole and is in contact with the middle section.
Claims15
An impeller, comprising:
- a metal housing, having a shaft mounting hole, wherein an inner surface of the shaft mounting hole has at least three contact points;
- a shaft, passing through the shaft mounting hole and affixed by the said at least three contact points, wherein the said at least three contact points are closer to the shaft than other portions of the inner surface;
- and
- a plastic member, wherein the plastic member is in contact with the shaft in the shaft mounting hole, and the shaft is in contact with the metal housing.
An impeller, comprising:
- a metal housing, having a shaft mounting hole, wherein the inner surface of the shaft mounting hole has a contact portion;
- a shaft, passing through the shaft mounting hole and affixed by the contact portion;
- and
- a plastic member, wherein the plastic member is in contact with the shaft in the shaft mounting hole, and the shaft is in contact with the metal housing.
Dependencies are inferred from the claim text.