Patent ID: 9714721
Date: 2017-07-25
CPC Classifications: B60T,F16K

Claim:
1. An electromagnetic valve including a valve body unit housed in a housing and an electromagnetic coil, said valve body unit comprising: a plunger having a groove portion at a cylindrical outer peripheral face of said plunger, said groove portion extending in a cylinder axis direction, said plunger moving in said cylinder axis direction by electromagnetic force generated by said electromagnetic coil; a rod secured to said plunger, said rod abutting against a valve seat for opening and closing said electromagnetic valve when said plunger is moved to close said electromagnetic valve and releasing the abutment of said rod against said valve seat when said plunger is moved to open said electromagnetic valve; a cylindrical sleeve configured to cover said outer peripheral face of said plunger and integrally formed with said plunger; and a communication passage defined by said groove portion of said plunger and an inner peripheral face of said sleeve and extending in said cylinder axis direction, wherein said electromagnetic valve is a vehicle electromagnetic valve mounted on a vehicle and is positioned such that said cylinder axis direction of said plunger extends in a horizontal direction that is parallel to the horizon when said electromagnetic valve is mounted on said vehicle, said plunger comprises: said groove portion corresponding to said non-covered area communicates with a space outside of said sleeve at least in the horizontal direction and the direction orthogonal to the horizontal direction.