US 12,228,217 B2
Magnetic pressure retaining control device
Heping Xie, Shenzhen (CN); Mingzhong Gao, Shenzhen (CN); Guikang Liu, Shenzhen (CN); Ling Chen, Shenzhen (CN); Bo Yu, Shenzhen (CN); Cong Li, Shenzhen (CN); Chenghang Fu, Shenzhen (CN); Jianjun Hu, Shenzhen (CN); Mingqing Yang, Shenzhen (CN); Nianhan Wu, Shenzhen (CN); and Zhiqiang He, Shenzhen (CN)
Assigned to SHENZHEN UNIVERSITY, Guangdong (CN)
Appl. No. 18/250,699
Filed by SHENZHEN UNIVERSITY, Shenzhen (CN)
PCT Filed Jul. 15, 2021, PCT No. PCT/CN2021/106495
§ 371(c)(1), (2) Date Apr. 26, 2023,
PCT Pub. No. WO2022/205677, PCT Pub. Date Oct. 6, 2022.
Claims priority of application No. 202110351854.4 (CN), filed on Mar. 31, 2021.
Prior Publication US 2023/0400111 A1, Dec. 14, 2023
Int. Cl. F16K 15/03 (2006.01); F16K 15/18 (2006.01); F16K 27/02 (2006.01); F16K 31/06 (2006.01); F16K 31/08 (2006.01)
CPC F16K 27/0227 (2013.01) [F16K 15/034 (2021.08); F16K 15/1821 (2021.08); F16K 31/0655 (2013.01); F16K 31/084 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A magnetic pressure retaining control device, comprising:
a valve seat;
a magnetic valve cover; and
a trigger magnetic member for repelling the magnetic valve cover,
wherein the magnetic valve cover and an open end of the valve seat are movably connected; when the magnetic valve cover is in an open state, the trigger magnetic member is opposite to an end surface of the magnetic valve cover away from an inside of the valve seat, and
wherein the valve seat comprises a barrel body and a magnet fixed inside the barrel body.