Patent ID: 6073911
Filing Date: 2000-06-13
Classification: F02M

Abstract:
A fuel injection valve for internal combustion engines, comprising a valve housing, said valve housing including a longitudinal valve axis, with a longitudinal opening extending along the longitudinal valve axis in the valve housing, a valve needle, said valve needle includes a first guide section (15) and a second guide section (16) for axially guiding the valve needle along the longitudinal valve axis in the valve housing, a sealing seat (7) on the valve needle, said sealing seat is disposed downstream of the second guide section (16) and cooperates with a valve seat face (40) on a valve seat body (41), a plurality of first balls (32) engage a circumference of the first guide section (15) and a plurality of second balls (52) engage the circumference of the second guide section (16) in order to guide the valve needle (5) along said valve axis, and the plurality of first balls (32) rest against the first guide section (15) at a first conical face (31) of a guide ring (30) and the second balls (52) rest against the second guide section (16) at a second conical face (51) on the valve seat body (41).