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Title:
INDUSTRIAL VACUUM CLEANER
Document Type and Number:
WIPO Patent Application WO/2021/063402
Kind Code:
A1
Abstract:
Provided is an industrial vacuum cleaner (100, 200), including a suction duct (70, 270); an air flow generating device (30, 230) used to draw air from the suction duct (70, 270) to generate air flow, the air flow generating device (30, 230) includes a motor (72, 272) and a fan (74, 274) driven by the motor (72, 272); a primary separation device (80, 280) including a dust bucket (34, 234), the dust bucket (34, 234) includes a side wall (84, 284) and a receiving cavity (86, 286) formed by the side wall (84, 284), the receiving cavity (86, 286) is communicated with the suction duct (70, 270); a connecting channel (88, 288) including an inlet (90, 290) and an outlet (92, 292), wherein the inlet (90, 290) is communicated with the receiving cavity (86, 286); a secondary separation device (82, 282), the secondary separation device (82, 282) is communicated with the outlet (92, 292) and the air flow generating device (30, 230). The connecting channel (88, 288) is provided between the primary and secondary separation devices (80, 280, 82, 282) in the industrial vacuum cleaner (100, 200), to avoid the blockage between the primary and secondary separation devices (80, 280, 280, 282), and the industrial vacuum cleaner (100, 200) can continuously vacuum with large suction power and improve work efficiency.

Inventors:
ZHANG, Shisong (Industrial ParkSuzhou, Jiangsu 3, CN)
WU, Hongbing (Industrial ParkSuzhou, Jiangsu 3, CN)
ZHONG, Hongfeng (Industrial ParkSuzhou, Jiangsu 3, CN)
Application Number:
CN2020/119493
Publication Date:
April 08, 2021
Filing Date:
September 30, 2020
Export Citation:
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Assignee:
POSITEC POWER TOOLS (SUZHOU) CO., LTD. (NON-SMALL ENTITY) (Industrial ParkSuzhou, Jiangsu 3, CN)
International Classes:
A47L9/16; B24B55/06; B08B5/04; B04C5/26
Attorney, Agent or Firm:
SUZHOU JINHE INTELLECTUAL PROPERTY AGENCY (SPECIAL GENERAL PARTNERSHIP) (Suzhou, Jiangsu 0, CN)
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