Title:
GARDEN BLOWER
Document Type and Number:
WIPO Patent Application WO/2018/028639
Kind Code:
A1
Abstract:
A garden blower (100, 100'). The garden blower (100, 100') comprises a housing (10), a power device (20), and a fan assembly (30). The housing (10) comprises a main body portion (11) located in the rear end and a blowpipe (13) that is located in the front end of the main body portion (11) and that extends along an axial direction. The housing (10) is also provided with an air inlet (14) and an air outlet (131) that communicate with an outside environment. The power device (20) is connected to the housing (10) to supply power to the garden blower (100, 100'). The fan assembly (30) is driven by the power device (20) to rotate and generate an air flow. The fan assembly (30) comprises at least two stages of fans. The at least two stages of fans comprise a first stage of fan (31) and a second stage of fan (33) that are disposed in the front and the rear in the axial direction. The garden blower (100, 100') comprises a first air intake passage allowing an air flow generated by the first stage of fan (31) to enter and comprises a second air intake passage allowing an air flow generated by the second stage of fan (33) to enter. The air flow entering the first air intake passage and the air flow entering the second air intake passage are both converged into the blowpipe (13) and the converged air flow is blown out to the outside through the air outlet (131).
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Inventors:
LIU ZHENGWEI (CN)
JIAO SHIPING (CN)
LIU JIABO (CN)
YU XUEFENG (CN)
WONG KA TAT KELVIN (CN)
ZHA XIAHONG (CN)
ZHAO FENGLI (CN)
JIAO SHIPING (CN)
LIU JIABO (CN)
YU XUEFENG (CN)
WONG KA TAT KELVIN (CN)
ZHA XIAHONG (CN)
ZHAO FENGLI (CN)
Application Number:
PCT/CN2017/096853
Publication Date:
February 15, 2018
Filing Date:
August 10, 2017
Export Citation:
Assignee:
POSITEC POWER TOOLS SUZHOU CO LTD (CN)
International Classes:
E01H1/08
Foreign References:
| CN206280276U | 2017-06-27 | |||
| CN205999837U | 2017-03-08 | |||
| CN105648962A | 2016-06-08 | |||
| CN1253614A | 2000-05-17 | |||
| CN1971065A | 2007-05-30 | |||
| CN101120866A | 2008-02-13 | |||
| US20120201668A1 | 2012-08-09 | |||
| JP2013113206A | 2013-06-10 |
Other References:
See also references of EP 3498920A4
Attorney, Agent or Firm:
SHANGHAI ESSEN PATENT & TRADEMARK AGENCY (CN)
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