US 12,072,028 B2
Control valve and control valve system
Lixin Wang, Zhejiang (CN); Junqing Tu, Zhejiang (CN); Zhibiao Yu, Zhejiang (CN); and Weidong Pan, Zhejiang (CN)
Assigned to ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD., Zhejiang (CN)
Appl. No. 18/014,155
Filed by ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD., Zhejiang (CN)
PCT Filed Nov. 19, 2021, PCT No. PCT/CN2021/131707
§ 371(c)(1), (2) Date Dec. 31, 2022,
PCT Pub. No. WO2022/105864, PCT Pub. Date May 27, 2022.
Claims priority of application No. 202011307118.0 (CN), filed on Nov. 20, 2020; and application No. 202011627412.X (CN), filed on Dec. 31, 2020.
Prior Publication US 2023/0258271 A1, Aug. 17, 2023
Int. Cl. F16K 11/16 (2006.01); F16K 31/53 (2006.01)
CPC F16K 11/165 (2013.01) [F16K 31/535 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A control valve, comprising a valve body, a valve core and a valve core shaft, wherein the control valve has a valve cavity, the valve body is provided with a plurality of ports, at least part of the valve core is positioned in the valve cavity, wherein the valve core comprises a first valve core and a second valve core, the first valve core and the second valve core are arranged along an axial direction of the control valve, at least part of the first valve core and at least part of the second valve core are located in the valve cavity, the port corresponding to a fluid passage of the valve core can be opened or closed by rotating the valve core, the control valve further comprises a first transmission part and a second transmission part, wherein the first transmission part and the first valve core are integrally formed or in transmission connection, so that the first transmission part can rotate synchronously with the first valve core, the second transmission part and the second valve core are integrally formed or in transmission connection, so that the second transmission part can rotate synchronously with the second valve core,
wherein the valve core shaft is in transmission connection with the first valve core, the first transmission part is in contact with the second transmission part within a preset angle range and pushes the second valve core to rotate, and in case of being out the preset angle range, a gap is formed between the first transmission part and the second transmission part.