Company Filing History:
2 out of 2 
1 out of 199 
1 out of 2 Years Active: 2013
Title: Innovations by Zhitao Ma in Hybrid Transmission Technology
Introduction
Zhitao Ma is a notable inventor based in Jinshan District, China. He has made significant contributions to the field of hybrid transmission technology, holding 2 patents that showcase his innovative approach to engineering.
Latest Patents
One of his latest patents is a hydraulic control device for hybrid transmission. This device is designed to ensure that the cooling and lubrication oil line of the system are in oil communication even before the main oil line pressure reaches the set pressure of the overflow valve. This design allows for the lubrication of the transmission as soon as possible. Additionally, the hybrid transmission design provides overpressure protection for the cooler and utilizes a proportional pressure reducing valve to control the lock-up clutch, enhancing braking performance.
Another significant invention by Zhitao Ma is a powertrain for hybrid electrical vehicles. This powertrain comprises an engine, a first motor, a second motor, and a transmission device. The transmission device features a planet gear set with double planet gear ranks, which includes a first planet gear rank and a second planet gear rank. The arrangement of the engine and motors around the planet gear set optimizes the vehicle's performance.
Career Highlights
Zhitao Ma has worked with prominent companies in the automotive industry, including Shanghai Maple Guorun Automobile Co. and Zhejiang Geely Holding Group Co., Ltd. His experience in these organizations has contributed to his expertise in hybrid vehicle technology.
Collaborations
Zhitao Ma has collaborated with notable professionals in his field, including Shufu Li and Jian Yang. Their collective efforts have further advanced the innovations in hybrid transmission systems.
Conclusion
Zhitao Ma's contributions to hybrid transmission technology reflect his dedication to innovation and engineering excellence. His patents demonstrate a commitment to improving vehicle performance and efficiency.