US 11,986,146 B2
Handheld vacuum cleaner
Hao Yu, Tianjin (CN)
Assigned to DREAME TECHNOLOGY (TIANJIN) CO., LTD., Tianjin (CN)
Appl. No. 17/040,313
Filed by DREAME TECHNOLOGY (TIANJIN) CO., LTD., Tianjin (CN)
PCT Filed Apr. 30, 2019, PCT No. PCT/CN2019/085175
§ 371(c)(1), (2) Date Sep. 22, 2020,
PCT Pub. No. WO2019/210849, PCT Pub. Date Nov. 7, 2019.
Claims priority of application No. 201810409924.5 (CN), filed on May 2, 2018; application No. 201810409930.0 (CN), filed on May 2, 2018; application No. 201810410579.7 (CN), filed on May 2, 2018; and application No. 201820644756.3 (CN), filed on May 2, 2018.
Prior Publication US 2021/0085147 A1, Mar. 25, 2021
Int. Cl. A47L 9/28 (2006.01); A47L 5/24 (2006.01); A47L 9/10 (2006.01); A47L 9/14 (2006.01); A47L 9/16 (2006.01)
CPC A47L 9/2889 (2013.01) [A47L 5/24 (2013.01); A47L 9/102 (2013.01); A47L 9/1463 (2013.01); A47L 9/165 (2013.01); A47L 9/1658 (2013.01); A47L 9/2884 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A handheld vacuum cleaner, comprising: a dust-air separating unit, an air flow generating unit, a battery pack assembly, and a handle, wherein the dust-air separating unit is provided with a dust suction port that defines a longitudinal axis (X) extending in a front-rear direction, the air flow generating unit is provided with an air inlet side and an air outlet side, the air inlet side is in communication with the dust-air separating unit, an outer wall of the handheld vacuum cleaner is provided with an air outlet port penetrating therethrough, the air outlet port and the air outlet side of the air flow generating unit are connected by an air outlet channel, and the air outlet port is arranged at least partially exceeding forward beyond the air flow generating unit in a dust-air suction direction along the longitudinal axis (X),
wherein the air flow generating unit is arranged longitudinally along the longitudinal axis (X) of a dust-air suction port, and the air inlet side is located in front of the air outlet side; wherein the air flow generating unit and the dust-air separating unit are connected by an air inlet duct, and the air outlet port is at least partially located on the shell wall of the shell of the cleaner outside the outer periphery of the air inlet duct, and
wherein the cleaner further comprises a deflector in communication with the air outlet channel and tapered at downstream of the air flow, wherein the deflector is arranged around the air inlet duct.