A fuel swirler (12) has a swirler housing (16) defining an interior chamber (15) having a fuel outlet (18) at a downstream end (D.E). A swirler core (13) is mounted inside the interior chamber (15). The swirler core (13) has a downstream end portion (24) w...

A fuel injection valve includes: a needle valve with a seat surface at a distal end; a nozzle body with a seat section on which the seat surface rests and with an injection opening disposed downstream of the seat section; and a swirl flow generating sectio...