公开(公告)号：US12188435B2

公开(公告)日：2025-01-07

申请号：US18609726

申请日：2024-03-19

Applicant: AGENCY FOR DEFENSE DEVELOPMENT

Inventor： Juhyun Bae ,  Sangwook Jin ,  Haeseung Jeong ,  Minchan Kwon ,  Seokjin Oh

IPC: F02K7/10 ,  F23R3/22 ,  F23R3/28

Abstract: Disclosed is a dual-mode ramjet engine including: a combustor through which air flowing in from the front passes; a sliding injector configured to perform a sliding operation from an upper surface of the combustor along a height direction perpendicular to an air flow direction; and a cavity-type flame holder formed behind the sliding injector on the upper surface of the combustor and having a cavity that is concavely recessed, wherein the sliding injector includes: a plurality of fuel injection holes formed on both sides and configured to inject fuel; a fuel injection passage passing through the inside along the height direction to be opened downward, and configured to inject fuel; and a first sliding drive unit configured to drive the sliding injector to perform the sliding operation.

公开(公告)号：US20240318615A1

公开(公告)日：2024-09-26

申请号：US18609726

申请日：2024-03-19

Applicant: AGENCY FOR DEFENSE DEVELOPMENT

Inventor： Juhyun Bae ,  Sangwook Jin ,  Haeseung Jeong ,  Minchan Kwon ,  Seokjin Oh

IPC: F23R3/28 ,  F02K7/10

CPC classification number: F23R3/283 ,  F02K7/10 ,  F23R3/286

Abstract: Disclosed is a dual-mode ramjet engine including: a combustor through which air flowing in from the front passes; a sliding injector configured to perform a sliding operation from an upper surface of the combustor along a height direction perpendicular to an air flow direction; and a cavity-type flame holder formed behind the sliding injector on the upper surface of the combustor and having a cavity that is concavely recessed, wherein the sliding injector includes: a plurality of fuel injection holes formed on both sides and configured to inject fuel; a fuel injection passage passing through the inside along the height direction to be opened downward, and configured to inject fuel; and a first sliding drive unit configured to drive the sliding injector to perform the sliding operation.