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Patent Searching and Data


Title:
COUNTER-ROTATING MOTOR AND HIGH SPEED BLENDER
Document Type and Number:
WIPO Patent Application WO/2020/134986
Kind Code:
A1
Abstract:
The present invention discloses a counter-rotating motor and a high speed blender, wherein the counter-rotating motor comprises a stator, an inverter, an inner rotor and an outer rotor, the stator is provided with an outer winding and an inner winding, wherein the outer winding and the inner winding have opposite phase sequences; the inverter is connected in parallel with the outer winding and the inner winding to synchronously supply excitation current to the outer winding and the inner winding; the inner rotor is provided in the inner winding and is used for rotating in a first direction under the effect of the inner winding; the outer rotor is provided in the outer winding and is used for rotating in a second direction opposite to the first direction under the effect of the outer winding. The counter-rotating motor of the present invention is provided with two sets of inner and outer matching windings and rotors, and synchronously controls the outer winding and the inner winding through one set of inverters, can save the use of a brush, reduce noise and improve the service life of the motor, meanwhile, because there is no need to use two sets of inverters, the cost is lower and the control is simpler.

Inventors:
LIU YI (CN)
ZHAO JIANXING (CN)
WANG FEI (CN)
Application Number:
PCT/CN2019/123812
Publication Date:
July 02, 2020
Filing Date:
December 06, 2019
Export Citation:
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Assignee:
GUANGDONG MIDEA WHITE HOME APPLIANCE TECH INNOVATION CENTER CO LTD (CN)
MIDEA GROUP CO LTD (CN)
International Classes:
H02K16/02; A47J43/08; H02K3/04; H02K3/28; H02K11/33; H02K16/00
Foreign References:
CN109546827A2019-03-29
CN2850122Y2006-12-20
CN107078570A2017-08-18
CN108400689A2018-08-14
CN106329859A2017-01-11
JP2002359953A2002-12-13
CN201811584295A2018-12-24
Other References:
See also references of EP 3883101A4
Attorney, Agent or Firm:
CHINA WISPRO INTELLECTUAL PROPERTY LLP. (CN)
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