초록 ▼

A fuel injection valve for internal combustion engines that has a valve member which is guided axially displaceably in a guide bore of a valve body and which on an end toward the combustion chamber has a valve sealing face that cooperates with a valve seat face, formed on an end of the guide bore to

A fuel injection valve for internal combustion engines that has a valve member which is guided axially displaceably in a guide bore of a valve body and which on an end toward the combustion chamber has a valve sealing face that cooperates with a valve seat face, formed on an end of the guide bore toward the combustion chamber, for controlling the communication between a high-pressure conduit in the valve body and at least one injection opening A diversion conduit in the valve member, by way of which diversion conduit the high-pressure conduit can be made to communicate with a relief chamber when the valve member has lifted from the valve seat face. Once the maximum opening stroke of the position of the valve member is reached, the diversion conduit is closed by a sealing face provided on the valve member, so that the entire supplied fuel quantity can attain injection.

대표청구항 ▼

[ What is claimed and desired to be secured by Letters Patent of the United States is:] [1.] A fuel injection valve for internal combustion engines, comprising a valve member (1) which is axially displaceably guided in a guide bore (3) of a valve body (5) and which on an end toward the combustion ch

[ What is claimed and desired to be secured by Letters Patent of the United States is:] [1.] A fuel injection valve for internal combustion engines, comprising a valve member (1) which is axially displaceably guided in a guide bore (3) of a valve body (5) and which on an end toward the combustion chamber has a valve sealing face (18) that cooperates with a valve seat face (19), formed on an end of the guide bore (3) toward the combustion chamber, for controlling the communication between a high-pressure conduit (23) in the valve body (5) and at least one injection opening (21), having a diversion conduit (31) in the valve member (1), by way of said diversion conduit the high-pressure conduit (23) can be made to communicate with a relief chamber (17) when the valve member (1) has lifted from the valve seat face (19), said diversion conduit is formed by a blind bore (33) that originates at an end toward the combustion chamber of the valve member (1) and at least one transverse bore (35) that intersects the blind bore (33), wherein the transverse bore (35) discharges into a diversion chamber (39) that is formed between the valve member (1) and the guide bore (3) and can be made to communicate with the relief chamber (17), the communication between the diversion chamber (39) and the relief chamber (17) is closed, in a maximum opening stroke position of the valve member (1), by a sealing face (47) provided on the valve member (1).