Stable sealing at both high and low speeds
This combined seal solves the high-speed failure of ferrofluid seals and the low-speed leakage of spiral seals, achieving stable sealing across different speeds.
Wang, Hujun · Zhongquan, Gao · Yuan, Meng · Yan, Li · Zhang, Qiang
International Journal of Applied Electromagnetics and Mechanics 2023
Solves ferrofluid seal failure at high speed
Solves spiral seal leakage at shutdown and low speed
Higher speed leads to better sealing performance