Patent ID: 7049917

Claim:
A solenoid air valve comprising: a fixed core fixed and adhered to inside of a frame made of a magnetic material; in said frame, a moving core accommodated in a bobbin made of a non-magnetic material in a manner movable in an axial direction; a gas outlet provided in a surface of said fixed core opposed to said moving core; a packing provided in a surface of said moving core opposed to said gas outlet; force-applying means for applying force to said moving core in a direction away from said fixed core; and a coil body for generating magnetic flux in order to form a magnetic circuit for generating force attracting said moving core toward said fixed core and bringing the same in contact; wherein said moving core has a flange portion having a first diameter and a shaft portion having a second diameter smaller than said first diameter, and said packing is provided in said flange portion, and said coil body is accommodated in a space between said bobbin surrounding said shaft portion and an inner circumferential surface of said frame.