US 12,214,479 B2
Power head and outdoor power equipment using the same
Shuhua Li, Changzhou (CN); and Fei Kan, Changzhou (CN)
Assigned to Greenworks (Jiangsu) Co., Ltd., Changzhou (CN)
Filed by Greenworks (Jiangsu) Co., Ltd., Changzhou (CN)
Filed on Sep. 11, 2023, as Appl. No. 18/465,142.
Application 18/465,142 is a continuation of application No. 17/513,921, filed on Oct. 29, 2021, granted, now 11,787,034.
Claims priority of application No. 202011202800.3 (CN), filed on Nov. 2, 2020; application No. 202022489134.8 (CN), filed on Nov. 2, 2020; application No. 202011401018.4 (CN), filed on Dec. 4, 2020; and application No. 202022873438.4 (CN), filed on Dec. 4, 2020.
Prior Publication US 2023/0415325 A1, Dec. 28, 2023
Int. Cl. H02K 5/20 (2006.01); B25F 5/00 (2006.01); E01H 5/09 (2006.01); H02K 9/02 (2006.01); H02K 9/06 (2006.01); H02K 11/00 (2016.01)
CPC B25F 5/008 (2013.01) [E01H 5/098 (2013.01); H02K 5/207 (2021.01); H02K 9/02 (2013.01); H02K 11/0094 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A power head, used to output power, comprising:
a housing assembly, provided with an air inlet and an air outlet, the housing assembly comprising a first cover and a second cover, the first cover and the second cover arranged on two opposites side of the housing assembly;
a motor assembly, arranged in the housing assembly, the motor assembly comprising
a motor, one end of an output shaft of the motor extending to outside of the housing assembly,
a first fan, arranged at a tail end of the motor, and
a second fan, arranged on the output shaft of the motor,
a battery pack assembly, arranged in the housing assembly, the battery pack assembly supplying power to the motor assembly, and
a base arranged at a bottom of the housing assembly;
wherein the second fan is configured to be driven to rotate by the motor, in order to suck air to flow into the housing assembly from the air inlet and flow out of the housing assembly from the air outlet;
wherein the motor is arranged in the housing assembly through a mounting part, the mounting part comprises a first mounting portion and a second mounting portion; and
wherein the second mounting portion is provided with an internal vent, and air flowing through an inside of the motor flows into a space defined by the first cover and the second mounting portion through the internal vent.