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Patent Searching and Data


Title:
FUEL INJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/043751
Kind Code:
A1
Abstract:
This fuel injection device is provided with: a pilot fuel injection section having a pilot fuel supply block and a pilot shroud; a main fuel injection section disposed so as to radially externally surround the pilot fuel injection section; and an intermediate air flow passage disposed between the pilot fuel injection section and the main fuel injection section. The pilot shroud includes a narrowed section which is located downstream of the pilot fuel supply block, and a flame holding section which surrounds a flame located downstream of the narrowed section. The flame holding section has formed therein an air injection slit from which compressed air from the intermediate air flow passage is injected in a direction along the inner peripheral surface of the flame holding section so as to cover the entire inner peripheral surface.

Inventors:
MATSUYAMA, Ryusuke
FUJIWARA, Hitoshi
Application Number:
JP2017/030692
Publication Date:
March 07, 2019
Filing Date:
August 28, 2017
Export Citation:
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Assignee:
KAWASAKI JUKOGYO KABUSHIKI KAISHA (1-1 Higashikawasaki-cho 3-chome, Chuo-ku Kobe-sh, Hyogo 70, 〒6508670, JP)
JAPAN AEROSPACE EXPLORATION AGENCY (7-44-1, Jindaiji Higashi-machi Chofu-sh, Tokyo 22, 〒1828522, JP)
International Classes:
F23R3/28; F02C7/22; F23R3/14
Domestic Patent References:
WO2013183618A12013-12-12
Foreign References:
JP2008196831A2008-08-28
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (3rd Fl, Bo-eki Bldg. 123-1, Higashimachi, Chuo-ku, Kobe-sh, Hyogo 31, 〒6500031, JP)
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