Patents by Inventor Dejian SONG

Dejian SONG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Logic control system for magnetic track braking of rail transit vehicle
    Patent number: 11738784
    Abstract: A logic control system for magnetic track braking of a rail transit vehicle includes a magnetic track braking control circuit, a magnetic track braking power supply execution circuit, and a magnetic track braking status monitoring and feedback circuit. The magnetic track braking control circuit includes a pneumatic actuator relay, an electromagnet relay, a system protection relay, a power-on delay relay, a power-off delay relay, an automatic control branch circuit, and a manual control branch circuit. The pneumatic actuator relay is connected to the power-on delay relay, and the system protection relay is connected to the power-off delay relay. The automatic control branch circuit includes a first isolation magnetic track braking switch and an emergency braking relay contact. The manual control branch circuit includes a first circuit breaker, a cab signal option switch, a second isolation magnetic track braking switch and a manual touch button.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: August 29, 2023
    Assignee: CRRC Nanjing Puzhen Co., Ltd.
    Inventors: Jian Sun, Qian Zhang, Xun Mao, Dejian Song, Fei Xiao, Hongquan Xue, Hongfei Zhang, Kai Yu
  • LOGIC CONTROL SYSTEM FOR MAGNETIC TRACK BRAKING OF RAIL TRANSIT VEHICLE
    Publication number: 20230125517
    Abstract: A logic control system for magnetic track braking of a rail transit vehicle includes a magnetic track braking control circuit, a magnetic track braking power supply execution circuit, and a magnetic track braking status monitoring and feedback circuit. The magnetic track braking control circuit includes a pneumatic actuator relay, an electromagnet relay, a system protection relay, a power-on delay relay, a power-off delay relay, an automatic control branch circuit, and a manual control branch circuit. The pneumatic actuator relay is connected to the power-on delay relay, and the system protection relay is connected to the power-off delay relay. The automatic control branch circuit includes a first isolation magnetic track braking switch and an emergency braking relay contact. The manual control branch circuit includes a first circuit breaker, a cab signal option switch, a second isolation magnetic track braking switch and a manual touch button.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 27, 2023
    Applicant: CRRC Nanjing Puzhen Co., Ltd.
    Inventors: Jian SUN, Qian ZHANG, Xun MAO, Dejian SONG, Fei XIAO, Hongquan XUE, Hongfei ZHANG, Kai YU