Patent ID: 7097151
Filing Date: 2006-08-29
Classification: F02M

Abstract:
1. An electromagnetic fuel injection valve comprising a valve housing ( 2 ) having a valve seat ( 8 ) at one end thereof, a fixed core ( 5 ) connected to the other end of the valve housing ( 2 ), a valve body ( 18 ) that is housed within the valve housing ( 2 ) and that carries out opening and closing operations in cooperation with the valve seat ( 8 ), a movable core ( 12 ) integrally connected to the valve body ( 18 ) and disposed so as to oppose the fixed core ( 5 ), a valve spring ( 22 ) urging the valve body ( 18 ) in a valve-closing direction, and a coil ( 30 ) that is disposed so as to surround the fixed core ( 5 ) and that by energization makes the fixed core ( 5 ) attract the movable core ( 12 ), thereby opening the valve body ( 18 ), the fixed core ( 5 ) being made of a high hardness ferrite magnetic material; characterized in that a cylindrical stopper element (