Patent ID: 6170762
Filing Date: 2001-01-09
Classification: F02M

Abstract:
A cylinder injection type fuel injection valve comprising:a valve body formed in a hollow shape;a valve seat provided in an end of the valve body and having an injection nozzle formed therein;a valve-closure member provided in the valve body so as to be movable therein and to move away from and toward the valve seat for opening and closing the injection nozzle; anda swirler provided around the valve-closure member to slidably support the valve-closure member and give a swirling force to fuel to be sprayed through the injection nozzle, the swirler having grooves formed therein, and the respective grooves having a groove depth and groove outlets;wherein the valve-closure member has an outer straight portion or an outer cylindrical portion confronting the respective groove outlets at a length of not less than 1/3 of the groove depth when the valve is totally closed.