Patent ID: 8220776
Filing Date: 2012-07-17
Classification: B60T,F16K

Abstract:
1. A normally opened solenoid valve comprising: a coil adapted to be energized; a fixed core adapted to be excited by energization of the coil; a movable core configured to be moved by being drawn to the fixed core; a valve seat located at one of openings of a through hole formed in the fixed core; and a valve body inserted into the through hole and driven by a movement of the movable core, wherein: the valve body includes: the shaft part, the valve part and the connection part are formed in one piece using a resin; the connection part includes a conical portion increased in diameter toward the shaft part from the valve part; a plurality of reduced thickness portions, each having a curved concave cross sectional shape as viewed in an axial direction of the valve body, are formed in the conical portion; and the reduced thickness portions are located at equal intervals in a circumferential direction of the conical portion.