US 11,892,007 B2
Impeller
Wei-I Ling, Taoyuan (TW); Chao-Fu Yang, Taoyuan (TW); Chih-Chung Chen, Taoyuan (TW); and Kuo-Tung Hsu, Taoyuan (TW)
Assigned to DELTA ELECTRONICS, INC., Taoyuan (TW)
Filed by Delta Electronics, Inc., Taoyuan (TW)
Filed on Mar. 15, 2023, as Appl. No. 18/184,344.
Application 18/184,344 is a continuation of application No. 17/391,739, filed on Aug. 2, 2021, granted, now 11,635,086.
Claims priority of application No. 202110181727.4 (CN), filed on Feb. 9, 2021.
Prior Publication US 2023/0220850 A1, Jul. 13, 2023
Int. Cl. F04D 29/26 (2006.01); F04D 29/52 (2006.01); F04D 19/00 (2006.01); F04D 29/32 (2006.01); F04D 17/08 (2006.01); F04D 29/02 (2006.01); F04D 29/054 (2006.01)
CPC F04D 29/263 (2013.01) [F04D 17/08 (2013.01); F04D 19/002 (2013.01); F04D 29/023 (2013.01); F04D 29/054 (2013.01); F04D 29/325 (2013.01); F04D 29/522 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An impeller, comprising:
a metal housing, having a shaft mounting hole;
a shaft, passing through the shaft mounting hole, wherein a portion of an inner surface of the shaft mounting hole is in contact with the shaft; and
a plastic member, connected to the shaft and a remaining portion of the inner surface of the shaft mounting hole that is not in contact with the shaft.