| 摘要 |
A damping force variable valve includes a retainer including a main body connected at a central region thereof to a high pressure region of a shock absorber cylinder, the main body having an outer diameter increased outwards, and a spool rod formed integrally with the main body to extend from the central region, the spool rod having a hollow portion formed at a central portion thereof to allow a spool to be inserted in the hollow portion, a solenoid coupled to a lower side of the retainer, and a spool pressurizing installed in the solenoid and configured to move in response to electrical power applied to the solenoid to pressurize the spool.
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