Yamei Qi

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Broad-pole type square-wave three-phase brushless permanent magnet...
- Patent number 8,975,799
- Issue date Mar 10, 2015
- Shenzhen A&E Servo Motor Technology Co., Ltd.
- Yamei Qi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Brushless DC motor control system
- Patent number 8,183,803
- Issue date May 22, 2012
- Shenzhen Academy of Aerospace Technology
- Tiecai Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hall rotary transformer and hall rotation angle encoder made of it
- Patent number 8,179,126
- Issue date May 15, 2012
- Shenzhen Academy of Aerospace Technology
- Tiecai Li
- G01 - MEASURING TESTING
Information Patent Grant
Three-phase square-wave permanent magnet brushless DC motor
- Patent number 8,089,192
- Issue date Jan 3, 2012
- Shenzhen Academy of Aerospace Technology
- Tiecai Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Broad-Pole Type Square-Wave Three-Phase Brushless Permanent Magnet...
- Publication number 20130106254
- Publication date May 2, 2013
- SHENZHEN A&E SERVO MOTOR TECHNOLOGY CO., LTD.
- Yamei Qi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Hall Rotary Transformer and Hall Rotation Angle Encoder Made of It
- Publication number 20110267041
- Publication date Nov 3, 2011
- Shenzhen Academy of Aerospace Technology
- Tiecai Li
- G01 - MEASURING TESTING
Information Patent Application
BRUSHLESS DC MOTOR CONTROL SYSTEM
- Publication number 20100270957
- Publication date Oct 28, 2010
- Shenzhen Academy of Aerospace Technology
- Tiecai Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Three-Phase Square-Wave Permanent Magnet Brushless DC Motor
- Publication number 20090108699
- Publication date Apr 30, 2009
- Shenzhen Academy of Aerospace Technology
- Tiecai Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER