CFM56-7B发动机主要部件描述
CFM56-7B is a high bypass ,dual rotor ,axial flow turbofan engine. The engine has these sections: fan and booster (four- stage),high pressure compressor(nine-stage),combustor ,high pressure turbine(single-stage).low pressure turbine(four-stage) and accessory drive. | ||||
ITEM NO |
DESCRIPTION |
IPC |
P/N |
FUNTION |
1 |
ENGINE NAMEPLATE 发动机铭牌 |
|
|
Provide engine serial number ,thrust ration and takeoff rating |
2 |
FORWARD MOUNT 前吊点 |
71-21-01 |
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Provide suspension of the forward position of the engine from the strut |
3 |
AFT MOUNT 后吊点 |
71-21-03 |
|
Provide suspension of the aft position of the engine from the strut |
4 |
SPINNER FRONT CONE 前堆 |
72-21-01 |
337-005-118-0 |
Prevent ice formation |
5 |
SPINNER REAR CONE 后堆 |
72-21-01 |
340-000-205-0 |
Axial retention of fan blade and prevention for balance screw displacement |
6 |
FAN BLADES(24) 风扇叶片 |
72-21-02 |
|
Its main function is to accelerate the air directed to the engine secondary airflow nozzle. |
7 |
FUEL PUMP 燃油泵 |
|
828300-4 |
Supply pressurized fuel for engine operation |
8 |
FUEL FILTER 燃油滤 |
|
65-90305-83 |
Retain foreign particles suspended in the fuel ,and prevent their entry into the HMU |
9 |
IDG OIL COOLER IDG滑油冷却器 |
|
45731-1392 |
Cools the IDG oil and heats the engine fuel |
10 |
SERVO FUEL HEATER 伺服燃油加热器 |
79-21-01 |
45731-1382 |
Heats the supply of fuel that goes to servo system in the HMU |
11 |
INLINE FUEL FILTER 管路油滤 |
|
FA |
Collects contamination from the fuel pump before it can go to the fuel nozzle supply manifold |
12 |
BURNER STAGING VALVE(BSV) 喷嘴控制活门 |
|
44E64-8 |
Control fuel flow to the ten staged fuel nozzle |
13 |
FUEL NOZZLE(BLUE COLOR BAND)(16) 燃油喷嘴(蓝带) |
|
|
Deliver fuel to combustion chamber. |
14 |
FUEL NOZZLE(SILVER COLOR BAND)(4) 燃油喷嘴(银带) |
|
|
Deliver fuel to combustion chamber. |
15 |
EEC ALTERNATOR EEC交流发电机 |
73-21-08 |
87006-9 |
Usually supplies electrical power to the EEC |
16 |
HYDROMECHAMAL UNIT(HMU) 液压机械组件 |
73-21-10 |
|
Receives fuel metering valve and engine servo command signal from EEC ,and supplies fuel for engine servo system operation and combustion |
17 |
ELECTRONIC ENGINE CONTROL(EEC) 电子发动机控制 |
73-21-60 |
87006-9 85465-2 |
The primary control for the engine fuel and control system |
18 |
FUEL FLOW TRANSMITTER 流量传感器 |
73-31-01 |
8TJ167GHW1 |
Measuring the fuel mass-flow that goes to the manifold and fuel nozzle |
19 |
IGNITION EXCITER(2) 点火激励器(点火线圈) |
|
10-631045-1 |
Supply high voltage pulses through the ignition lead to spark igniters |
20 |
IGNITER PLUG(2) 点火嘴 |
74-21-02 |
CH31900-6 |
Ignite fuel/air mixture |
21 |
HPTACC VALVE 高压涡轮主动间隙控制活门 |
75-23-01 |
3291390-1 |
Mixes the 4th and 9th –stage bleed air to control the thermal expansion of the HPT shroud support |
22 |
LPTACC VALVE 低压涡轮主动间隙控制活门 |
75-22-04 |
C24937001-1 |
Controls the quantity of fan discharge air that goes to the LPT case |
23 |
VSV ACTUATOR(2) 可调静子叶片作动筒 |
75-31-01 |
1211313-010 |
Use the HMU servo fuel pressure to move the variable stator vane for the HPC inlet airflow control |
24 |
VBV ACTUATOR(2) 可调引气活门作动筒 |
75-32-02 |
7074-200 |
Use the HMU servo fuel pressure to move the VBV doors ,lets a part of LPT discharge air goes to the secondary airflow |
25 |
TRANSIENT BLEED VALVE(TBV) 瞬时引气活门 |
75-23-01 |
3291390-1 |
Control the quantity of the HPC 9th stage bleed air that goes into the stage 1 LPT nozzles |
26 |
EXHAUST NOZZLE ASSEMBLY 尾喷 |
78-11-00 |
|
Control the outer edge of the turbine exhaust flow .The aft part also controls the inner edge of the fan air exhaust flow |
27 |
FWD PLUG ASSY 前尾堆 |
|
|
Controls the inner edge of the turbine exhaust flow |
AFT PLUG ASSY 后尾堆 |
| |||
28 |
HYDRAULIC ACTUATOR(6) 液压作动筒 |
78-31-03 |
|
Move the translating sleeves during T/R deploy and stow operation |
29 |
CASCADE(12) 格栅 |
78-31-05 |
LP12822 |
Control the direction of the fan air exhaust during a T/R deploy operation |
30 |
BLOCKER DOOR(12) 阻流门(折流门) |
78-31-06 |
|
Control the direction of the fan air exhaust during a T/R deploy operation |
31 |
OPENING ACTUATOR(2) 打开作动器 |
78-31-08 |
1FA14012-8 |
Open the T/R cowl |
32 |
OIL TANK 滑油箱 |
79-21-01 |
340-403-802-0 |
Storage of engine lubrication oil |
33 |
LUBRICATION UNIT 润滑组件 |
79-21-01 |
340-400-004-0 |
Supplies pressurized oil to lubricate the engine bearing and gears |
34 |
OIL SUPPLY FILTER 滑油供油滤 |
79-21-01 |
65-90305-73 |
Removes and holds unwanted material from the supply oil |
35 |
CHIP DETECTOR 磁屑探测器(磁堵) |
79-21-05 |
|
Collect and keep the unwanted material from the scavenge oil |
36 |
MAIN OIL/FUEL HEAT EXCHANGER 主滑油/燃油热交换器 |
79-21-02 |
45332-8036 |
Uses fuel from the LP fuel pump to decrease the temperature of the scavenge oil |
37 |
OIL SCAVENGE FILTER ASSEMBLY 滑油回油滤组件 |
79-21-04 |
|
Contain the scavenge oil filter and the oil filter bypass switch |
38 |
ANTI-LEAKAGE VALVE 防渗漏活门 |
79-21-09 |
340-400-203-0 |
Prevents oil leakage when you disconnect the oil tube from the anti-leakage valve to the lubrication unit |
39 |
STARTER 启动机 |
|
3505945-9 |
Turns the engine for engine starting or motoring procedure |
40 |
STARTER VALVE 启动活门 |
|
3289630-2 |
Controls pneumatic power to the starter |
41 |
BLEED AIR CHECK VALVE (5th STAGE) 5级引气单向活门 |
|
3202222-1 |
Prevents 9th stage bleed air flow into the 5th stage bleed port |
42 |
HIGH STAGE VALVE 高压级活门 |
|
3214446-4 |
Controls the flow of bleed air from the 9th stage engine bleed air manifold |
43 |
HIGH STAGE REGULATOR 高压级调节器 |
|
107484-6 |
Controls the high stage valve |
44 |
BLEED AIR REGULATOR(BAR) 引气调节器 |
|
107492-5 |
Operates the PRSOV |
45 |
PRSOV 压力调节关断活门 |
|
3214552-5 |
Controls the flow of bleed air from the engine |
46 |
PRECOOLER 预冷器 |
|
2341178-2 |
Transfers heat from the engine bleed air flow to the cooling fan airflow |
47 |
PRECOOLER CONTROL VALVE 预冷器控制活门 |
|
3289562-5 |
Controls the flow of fan air to the precooler |
48 |
INLET COWL ANTI-ICE VALVE 进气道防冰活门 |
30-21-11 |
3215618-4 |
Provide engine bleed air to maintain ice free inlet cowl surface during flight and ground operation |
49 |
ENGINE-DRIVEN PUMP(EDP) 发动机驱动泵 |
|
66087 |
Supply hydraulic pressure for the hydraulic system A and B |
50 |
EDP CASE DRAIN FILTER MODULE EDP壳体余油滤组件 |
|
7579078 |
Cleans the case drain fluid from pump before it goes through the heat exchanger and back to the reservoir |
51 |
IDG 整体驱动发电机 |
|
761574B |
Makes the normal source of AC power in flight |
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