MICRO WATER PUMP

WIPO Patent Application WO/2022/110464

A1

A micro water pump (100), comprising a housing (10) and a driving mechanism (20). The housing (10) has an inner cavity (101), a liquid inlet (102) communicated with the inner cavity (101), and a liquid outlet (103) communicated with the inner cavity (101); the driving mechanism (20) is mounted on the housing (10) to drive a liquid to enter the inner cavity (101) from the liquid inlet (102) and to be discharged from the liquid outlet (103); the housing (10) comprises a base (11) and an upper cover (12) assembled to the base (11); the driving mechanism (20) comprises a rotating shaft (21), an impeller (22) provided in the inner cavity (101) and rotatably connected to the rotating shaft (21), a rotor (23) mounted on the impeller (22), and a stator mounted on the base (11) and used for driving the rotor (23) to rotate; the upper cover (12) comprises a body portion (121) and an accommodating recess (122) formed by recessing from the surface of the body portion (121) close to the base (11); the rotating shaft (21) has one end embedded into the base (11), and the other end accommodated in the accommodating recess (122). The micro water pump has high axis center strength, good support performance, and better impeller rotation stability and drop reliability.

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XU DETAO (CN)
LING FANGHUA (CN)
YANG SENSEN (CN)

PCT/CN2020/140096

June 02, 2022

December 28, 2020

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AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC MICROTECH CHANGZHOU CO LTD (CN)

F04D29/044; F04D29/043

WO2018063031A1

2018-04-05

CN2926602Y	2007-07-25
CN109469649A	2019-03-15
CN109882098A	2019-06-14
US20170184122A1	2017-06-29

SHENZHEN ZICHEN INTELLECTUAL PROPERTY AGENCY LIMITED (CN)

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