An electromagnetic valve (OV) has: a coil unit (14) including a bobbin (12) around which a coil winding (13) is wound, the bobbin (12) having a central hole (12a); a pipe body (16) in which a fixed core (17) is press-fitted and welded; and a valve operatin...

An electromagnetic valve has a cylindrical-shaped valve housing (22), a fixing core (23); a movable core (24); a first return spring (25); a coil (41); a first valve mechanism (29) including a movable seat member (44), a second return spring (45), a first ...

A normally closed electromagnetic valve has a cylindrical valve housing (22); a valve seat member (23); a fixed core (24); a movable core (26); a valve body (28); a return spring (29); and, a coil (30), one side of the valve housing being housed in a mount...

According to the present invention, a cylindrical member (12) of a solenoid valve (1) is provided with a protruding portion (12c) that protrudes in an axial direction of the cylindrical member (12). By fitting the protruding portion (12c) into a vertical g...

An anti-extrusion ring for use in conjunction with a vehicle solenoid valve has a plano-concave cross-section. The anti-extrusion ring (34, 34a) is used to support a seal (32) that seals the interface between a solenoid valve (12) and a bore (16) within a ...