Li Hongtao is high flyers from the Department of Electronics of Zhejiang University. Brushless motor was invented by Li Hongtao during his prison term. The invention of brushless motor overcomes many shortcomings of brush motor, which greatly improves working efficiency and reduces working loss.
The advent of brushless motor has promoted the further development of China's industrial technology, promoted technological innovation in many industries and brought great convenience to our national life.
Li Hongtao's personal experience.
1980, Li Hongtao was named "outstanding youth" and won the second place in the national middle school students' mathematics competition.
1984, admitted to the Department of Electronics, Zhejiang University.
1988, after graduation, I went to Kunming with my girlfriend, was assigned to Kunming Resistance No.2 Factory, and got married.
1992, detained and examined by Kunming Public Security Bureau for fraud, escaped twice and committed the crime again; Kunming Intermediate People's Court sentenced Li Hongtao to death for several crimes of fraud, escape and theft.
1995 March 16, Li Hongtao's sentence was commuted by the Yunnan Higher People's Court, and his death sentence was suspended for two years.
In the same year, the "brushless electric excitation motor" invented by Li Hongtao won the gold medal in the 5th China Patent Invention Expo and the first prize of outstanding invention in Yunnan Province.
In 2009, Li Hongtao was released from prison and started a new life.