Patent ID: 6832600
Filing Date: 2004-12-21
Classification: F02M

Abstract:
A fuel injection valve for internal combustion engines, comprisinga valve body (1) in which a bore (3) is embodied that has a longitudinal axis (14) and on the end of which bore toward the combustion chamber a valve seat (17) is embodied, at least one injection opening (20) disposed in the region of the valve seat (17), the at least one opening (20) connecting the bore (3) with the combustion chamber of the engine, a valve member (5) disposed longitudinally displaceably in the bore (3), the valve member 5 having a sealing face (15) cooperating with the valve seat (17) to control the a least one injection opening (20), a pressure chamber (10) which is embodied between the wall of the bore (3) and the valve member (5), which pressure chamber can be filled with fuel at high pressure, and a sleeve (22) having anisotropic strength properties surrounding the valve body (1) in the region of the pressure chamber (10).