US 12,382,883 B2
Backpack blower, backpack assembly and backpack power assembly
Xudong Yang, Changzhou (CN); Yabin Tang, Changzhou (CN); and Yunjie Shangguan, Changzhou (CN)
Assigned to Greenworks (Jiangsu) Co., Ltd., Changzhou (CN)
Filed by Greenworks (Jiangsu) Co., Ltd., Changzhou (CN)
Filed on Dec. 11, 2024, as Appl. No. 18/976,343.
Application 18/976,343 is a continuation of application No. 18/313,377, filed on May 8, 2023, granted, now 12,193,365.
Application 18/313,377 is a continuation of application No. PCT/CN2021/128021, filed on Nov. 2, 2021.
Claims priority of application No. 202022659734.4 (CN), filed on Nov. 17, 2020; and application No. 202120002942.9 (CN), filed on Jan. 4, 2021.
Prior Publication US 2025/0098602 A1, Mar. 27, 2025
Int. Cl. A01G 20/47 (2018.01); F04D 25/06 (2006.01); F04D 25/08 (2006.01); F04D 29/66 (2006.01)
CPC A01G 20/47 (2018.02) [F04D 25/0673 (2013.01); F04D 25/082 (2013.01); F04D 29/664 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A backpack blower, comprising:
a backpack assembly, used to be carried by an operator, comprising a battery pack cavity, used to house a battery pack, and
a blower body, mounted on the backpack assembly, the battery pack supplying power to the blower body, wherein
the blower body comprises a motor duct assembly, an air inlet assembly mounted on the backpack assembly, and an air outlet assembly connected with the air inlet assembly, wherein
the air outlet assembly comprises a housing assembly, a bellows connected to the housing assembly, and an air outlet tube fixedly connected to the bellows, wherein
a part of the motor duct assembly is housed in the housing assembly, and the other part of the motor duct assembly is housed in the bellows.