公开(公告)号：US11421599B2

公开(公告)日：2022-08-23

申请号：US16680718

申请日：2019-11-12

Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA

Inventor： Atsushi Horikawa ,  Masahide Kazari ,  Kunio Okada ,  Kazuki Koga

IPC: F02C7/00 ,  F02C7/232 ,  F23R3/28 ,  F23R3/36 ,  F02C9/40 ,  F23R3/34

Abstract: A gas turbine combustor including a fuel injector having a plurality of annular fuel injection portions in each of which multiple fuel injection holes are formed, is provided with: an auxiliary fuel introduction passage for introducing an auxiliary fuel that is to be supplied to an auxiliary fuel injection portion that is a part of the plurality of annular fuel injection portions, into the fuel injector; a first main fuel introduction passage provided with a flow regulating valve for introducing a main fuel that is to be supplied to a main fuel injection portion that is an annular fuel injection portion other than the auxiliary fuel injection portion, into the fuel injector; and a second main fuel introduction passage provided with a flow regulating valve for introducing the main fuel that is to be supplied to the auxiliary fuel injection portion, into the fuel injector.

公开(公告)号：US20200080480A1

公开(公告)日：2020-03-12

申请号：US16680718

申请日：2019-11-12

Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA

Inventor： Atsushi Horikawa ,  Masahide Kazari ,  Kunio Okada ,  Kazuki Koga

IPC: F02C7/232 ,  F23R3/28

Abstract: A gas turbine combustor including a fuel injector having a plurality of annular fuel injection portions in each of which multiple fuel injection holes are formed, is provided with: an auxiliary fuel introduction passage for introducing an auxiliary fuel that is to be supplied to an auxiliary fuel injection portion that is a part of the plurality of annular fuel injection portions, into the fuel injector; a first main fuel introduction passage provided with a flow regulating valve for introducing a main fuel that is to be supplied to a main fuel injection portion that is an annular fuel injection portion other than the auxiliary fuel injection portion, into the fuel injector; and a second main fuel introduction passage provided with a flow regulating valve for introducing the main fuel that is to be supplied to the auxiliary fuel injection portion, into the fuel injector.