Title:
AIR-BLEED MECHANISM FOR TURBINE ENGINE
Document Type and Number:
WIPO Patent Application WO/2024/007460
Kind Code:
A1
Abstract:
The present invention relates to the technical field of aeroengines, and disclosed is an air-bleed mechanism for a turbine engine, which solves the problem that existing air-bleed mechanisms for turbine engines can hardly meet the requirements of aircrafts on the size envelope and weight limit of the turbine engines. The air-bleed mechanism for the turbine engine comprises a static sealing ring integrated on the outer side of an engine casing; the static sealing ring has an inclined surface; a plurality of exhaust holes are formed on the inclined surface; the exhaust holes keep off blades inside the engine casing and are evenly distributed on the inclined surface; a movable sealing ring is attached to the outer side of the static sealing ring; axial end surfaces at the joint between the inclined surfaces of the static sealing ring and the movable sealing ring are connected and locked by means of an axial baffle; an actuating device is connected to the axial baffle; and a sealing structure is connected between the movable sealing ring and the sealing static ring. Under the condition of a same volume of bleed air, compared with conventional air-bleed mechanisms, the air-bleed mechanism of the present application significantly reduces the impact on the envelope radius and overall weight of an engine, and the air-bleed mechanism has a simple structure, high reliability, and low cost.
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Inventors:
DAI SHENG (CN)
XIONG JIE (CN)
LIU CHI (CN)
XIONG JIANDONG (CN)
CAI DINGLUN (CN)
DENG YANBO (CN)
XIONG JIE (CN)
LIU CHI (CN)
XIONG JIANDONG (CN)
CAI DINGLUN (CN)
DENG YANBO (CN)
Application Number:
PCT/CN2022/122551
Publication Date:
January 11, 2024
Filing Date:
October 14, 2022
Export Citation:
Assignee:
SICHUAN AEROSPACE ZHONGTIAN POWER EQUIPMENT CO LTD (CN)
International Classes:
F01D25/24; F01D11/00; F01D25/30
Foreign References:
| CN115013090A | 2022-09-06 | |||
| US4827713A | 1989-05-09 | |||
| CN102829188A | 2012-12-19 | |||
| CN114109646A | 2022-03-01 |
Attorney, Agent or Firm:
CHENG DU HONG YI TIAN CHENG INTELLECTUAL PROPERTY AGENCY CO., LTD (CN)
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