US 12,435,796 B2
Fluid control valve
Hideki Higashidozono, Tokyo (JP); and Takuya Kudo, Tokyo (JP)
Assigned to EAGLE INDUSTRY CO., LTD., Tokyo (JP)
Appl. No. 18/687,269
Filed by EAGLE INDUSTRY CO., LTD., Tokyo (JP)
PCT Filed Sep. 2, 2022, PCT No. PCT/JP2022/033101
§ 371(c)(1), (2) Date Feb. 27, 2024,
PCT Pub. No. WO2023/033143, PCT Pub. Date Mar. 9, 2023.
Claims priority of application No. 2021-143492 (JP), filed on Sep. 2, 2021.
Prior Publication US 2024/0369143 A1, Nov. 7, 2024
Int. Cl. F16K 1/54 (2006.01); F16K 1/36 (2006.01); F16K 1/42 (2006.01)
CPC F16K 1/54 (2013.01) [F16K 1/36 (2013.01); F16K 1/42 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A fluid control valve, comprising:
a valve housing;
a valve seat member attached to the valve housing, the valve housing and the valve seat member being formed with an inflow passage and a discharge passage, the valve seat member being disposed between the inflow passage and the discharge passage; and
a valve body that is configured to be brought into contact with and separated from the valve seat member and that forms an inner seal portion and an outer seal portion together with the valve seat member,
wherein at least one convex portion projects into a space inside the valve housing formed between the inner seal portion and the outer seal portion, and
wherein the convex portion is separated from a facing member in a valve closed state.