Patent ID: 6371438
Filing Date: 2002-04-16
Classification: F02M

Abstract:
A control valve for a fuel injector, comprising first and second valve bodies (40, 42) in which a valve seat (32) is embodied in the first valve body (40), a control spool (30) which is displaceably disposed in the first valve body (40) and has a valve face (33) which cooperates with the valve seat (32), the control spool is provided with a guide extension (46), which has an outer diameter which is approximately equal to or slightly less than a diameter of the valve seat (32), and that a guide brush (56) is disposed in the first valve body (40) and the guide extension (46) of the control spool is displaceably received in the guide bush, and an outer diameter of the guide bush (56) is greater than or equal to an outer diameter of the control spool (30).