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1. CN110475962 - Limited flow thrust reverser actuating

Office
China
Application Number 201880023269.8
Application Date 30.01.2018
Publication Number 110475962
Publication Date 19.11.2019
Grant Number 110475962
Grant Date 02.02.2021
Publication Kind B
IPC
F02K 1/76
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
KJET-PROPULSION PLANTS
1Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
54Nozzles having means for reversing jet thrust
76Control or regulation of thrust reversers
CPC
F02K 1/605
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
KJET-PROPULSION PLANTS
1Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
54Nozzles having means for reversing jet thrust
56Reversing jet main flow
60by blocking the rearward discharge by means of pivoted eyelids or clamshells, e.g. target-type reversers
605the aft end of the engine cowling being movable to uncover openings for the reversed flow
F02K 1/763
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
KJET-PROPULSION PLANTS
1Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
54Nozzles having means for reversing jet thrust
76Control or regulation of thrust reversers
763with actuating systems or actuating devices; Arrangement of actuators for thrust reversers
F05D 2270/051
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2270Control
01Purpose of the control system
05to affect the output of the engine
051Thrust
F05D 2270/64
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2270Control
60Control system actuates means
64Hydraulic actuators
F02K 1/60
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
KJET-PROPULSION PLANTS
1Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
54Nozzles having means for reversing jet thrust
56Reversing jet main flow
60by blocking the rearward discharge by means of pivoted eyelids or clamshells, e.g. target-type reversers
F05D 2270/18
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2270Control
01Purpose of the control system
18using fluidic amplifiers or actuators
Applicants WOODWARD, INC.
伍德沃德有限公司
Inventors KOPECEK JOSEPH THOMAS
J.T.科佩切克
Agents 中国专利代理(香港)有限公司 72001
中国专利代理(香港)有限公司 72001
Priority Data 15422726 02.02.2017 US
Title
(EN) Limited flow thrust reverser actuating
(ZH) 限流推力反向器致动
Abstract
(EN) An engine assembly includes a nacelle configured to at least partially surround an engine and a thrust reverser coupled to the nacelle. The thrust reverser includes: a thrust-reversing element movablerelative to the nacelle between a stowed position and a deployed position; a hydraulic actuator operably coupled to move the thrust-reversing element; and a fluid control system configured to operatethe hydraulic actuator. The fluid control system includes: a directional control unit including a directional control valve operable to selectively route fluid between a pressurized fluid source, theactuator, and a fluid return reservoir; one or more bypass fluid lines providing fluid communication between the actuator and the fluid return reservoir independent of the directional control valve;and a flow limiter residing between the pressurized fluid source and the directional control valve, the flow limiter configured to inhibit a pressure draw by the actuator from surpassing a predetermined threshold.
(ZH) 发动机组件包括被构造成至少部分地包围发动机的机舱和联接到机舱的推力反向器。推力反向器包括:可相对于机舱在收起位置和展开位置之间移动的推力反向元件;可操作地联接以使推力反向元件移动的液压致动器;和被构造成操作液压致动器的流体控制系统。流体控制系统包括:方向控制单元,其包括可操作以在加压流体源、致动器和流体返回贮器之间选择性地引导流体的方向控制阀;一条或更多条旁路流体管线,其独立于方向控制阀在致动器和流体返回贮器之间提供流体连通;以及位于加压流体源和方向控制阀之间的限流器,该限流器被构造成阻止由致动器抽取的压力超过预定阈值。