公开(公告)号：US20180180194A1

公开(公告)日：2018-06-28

申请号：US15855469

申请日：2017-12-27

Applicant: UNICK CORPORATION

Inventor： Chang-Hoon Lee ,  Eui-Dong Roh ,  Jeong-Tae Kim ,  Chan-Shik Ahn ,  Tae-Hyeon Kim

IPC: F16K31/06 ,  F16H61/02

CPC classification number: F16K31/0655 ,  B60Y2400/4045 ,  F16H61/0251 ,  F16H2061/0253 ,  F16K11/0716 ,  F16K31/0613

Abstract: A solenoid valve includes a valve that regulates the entrance and exit of oil, and a solenoid that operates the valve. The valve includes a hollow holder extending in one direction, ports including a supply port, a control port, and a discharge port, a passage that is formed in the holder and extends in the longitudinal direction of the holder, wherein a chamber connecting the supply port and the discharge port is formed in the middle of the passage, a spool movably installed in the passage, a channel that is formed in the spool and has one end connected to the control port and the other end connected to the chamber, a control land that divides the chamber into a supply chamber and a discharge chamber, and a spring that is installed between the holder and the spool to elastically support the spool.