Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10951149 | Method and apparatus for pulse-width modulation of a variable-frequency drive | Yilun Chen | 2021-03-16 |
| 10655621 | Control system and method of a VFD-based pump and pump system | Yilun Chen | 2020-05-19 |
| 10527035 | Anti-ripple injection method and apparatus and control system of a pump | Yilun Chen | 2020-01-07 |
| 10458403 | Servo pump control system and method | Yilun Chen | 2019-10-29 |
| 10333455 | System and method for consistent speed regulation in a variable frequency drive | Huaqiang Li, Peijun Zhu, Dongxiao Wu, Kayle Wang, Qian ZHANG | 2019-06-25 |