Patent ID: 8113596

Claim:
A solenoid valve for a brake system, comprising: a valve core formed in a cylindrical shape, the valve core having a through-hole formed in a longitudinal direction of the valve core and a fluid passage formed in a radial direction of the valve core so as to communicate with the through-hole; a sleeve coupled to an outer surface of the valve core, the sleeve having a dome-shaped shielding portion at one end and a flange portion to be fixed to a modulator block at the other end; an armature slidably mounted in the sleeve; an exciting coil to move the armature; a valve seat fixed in the valve core, the valve seat having a first orifice; a plunger mounted in the valve core, the plunger moving by movement of the armature to open or close the first orifice; a restoring spring to press the plunger toward the armature; and a filter member coupled to the valve core to surround an outer surface and an end portion of the valve core, which are to be received in a bore of the modulator block, the filter member including a filtering part to filter oil, a second orifice to rectify oil flow, and a check valve to permit oil to flow back when braking operation is released, wherein said flange portion engages the filter member.