| 摘要 |
PROBLEM TO BE SOLVED: To suppress temperature fluctuation of a solenoid valve and prevent pressure pulsation thereof. SOLUTION: The solenoid valve has plural ports being formed as housing and the solenoid mechanism controlling the connection between plural ports and is equipped with the passage which communicates between ports on the circumference of the solenoid mechanism. The heat generated by the solenoid mechanism is transferred outside the solenoid valve by the fluid flowing a passage. Moreover, a pulsation buffer chamber is arranged between the ports in order to prevent the pulsation.
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