US 12,297,917 B2
Control valve
Lixin Wang, Zhejiang (CN); Long Lin, Zhejiang (CN); and Yun Wang, Zhejiang (CN)
Assigned to ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD., Zhejiang (CN)
Appl. No. 18/555,532
Filed by ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD., Zhejiang (CN)
PCT Filed Apr. 15, 2022, PCT No. PCT/CN2022/087035
§ 371(c)(1), (2) Date Oct. 15, 2023,
PCT Pub. No. WO2022/218407, PCT Pub. Date Oct. 20, 2022.
Claims priority of application No. 202110411378.0 (CN), filed on Apr. 16, 2021.
Prior Publication US 2024/0191805 A1, Jun. 13, 2024
Int. Cl. F16K 11/08 (2006.01); F16K 11/085 (2006.01); F16K 27/06 (2006.01)
CPC F16K 11/0856 (2013.01) [F16K 27/065 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A control valve, comprising a valve body, a valve core, and a sealing member, wherein
the valve body comprises a side wall part, the control valve has a valve cavity, the side wall part is a peripheral wall of the valve cavity or at least part of the peripheral wall, and at least part of the valve core and the sealing member are arranged in the valve cavity,
wherein the sealing member comprises a sealing body, the sealing body is arranged between the valve core and the side wall part along a radial direction of the valve core, an inner surface of the sealing body is in contact with the valve core, and an outer surface of the sealing body is in contact with the side wall part; and
the control valve further comprises a balance sealing block, wherein the balance sealing block is arranged between the side wall part and the valve core along the radial direction of the valve core and is in contact with the valve core, the balance sealing block and the sealing member are arranged along a circumferential direction of the valve core, and a direction of a force or a component force applied to the valve core by the balance sealing block on is opposite to a direction of a force or a component force applied to the valve core by the sealing member.