US 11,940,058 B2
Solenoid valve
In Tae Park, Yongin-si (KR); Ji Gyeon Kim, Seoul (KR); Jun Young Park, Uiwang-si (KR); and Dong Woo Kim, Siheung-si (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); KIA CORPORATION, Seoul (KR); and SAMBO MOTORS CO., LTD, Daegu (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); KIA CORPORATION, Seoul (KR); and SAMBO MOTORS CO., LTD, Daegu (KR)
Filed on Aug. 23, 2022, as Appl. No. 17/893,335.
Claims priority of application No. 10-2022-0021685 (KR), filed on Feb. 18, 2022.
Prior Publication US 2023/0265938 A1, Aug. 24, 2023
Int. Cl. F16K 31/06 (2006.01); F16K 31/363 (2006.01); F16K 47/00 (2006.01)
CPC F16K 31/0696 (2013.01) [F16K 31/0655 (2013.01); F16K 31/363 (2013.01); F16K 47/01 (2021.08)] 10 Claims
OG exemplary drawing
 
1. A solenoid valve comprising:
a plunger configured to be movable in two opposite directions;
a damper member inserted into the plunger and having at least a part protruding outward from the plunger; and
a pilot member positioned in a lower region of the plunger, the pilot member having a pilot flow path;
wherein the damper member comes into contact with the pilot member and closes the pilot flow path when the plunger moves downward by a predetermined distance toward the pilot member;
wherein the solenoid valve further comprises:
a core unit positioned above the damper member and facing the damper member, the core unit being configured to come into contact with the damper member when the plunger moves by a predetermined distance toward the core unit;
wherein the core unit has a surface and a recessed core region having a shape recessed inward from the surface; and
wherein a front recessed damper region is formed in a region of the damper member that faces the recessed core region.