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control generated ac and dc power for use by the various airplane systems,
the distribution system consists of 115 volt ac, 28 vlot ac and 28 vlot dc
power obtained from generators and battery.
電源分配系統的作用是提供并控制飛行不同系統所使用的交流、直流
電源，分配系統包括從發電機和電瓶來的115v 交流電，28v 交流電及
28v 直流電。
LESSON 12 FUEL 燃油
一、單詞
燃油Fuel 存貯Store 運送Deliver
細分Subdivide 貯藏Storage 加燃油Fueling
油箱Tank 通氣裝置Vent 通氣均壓油
箱
Vent surge tank
暫時的Temporary 燃油密封的Fueling tight 金屬和金屬Metal to metal
裝配Fit 化合劑Compound 密封劑Sealing
compound
緊固件Fastener 接口Joint 翼肋Rib
緩沖擋板Baffer 單向活門Check valve 增壓泵Boost pump
離開Away off 加油站Fueling station 填充Fill
部份的Partially 完全地Completely 另一方面Alternately
入口port 轉移Transfer 浮子Float
過滿Overfill 防止…做… Prevent M
from doing
放油Defueling
利用Utilize 用泵抽Boost pump 供油Feed
各自的交輸Crossfeed 可使用的Usable
重量Weight 容量Capacitance 桿Stick
芯片Chip 微電子計算機Microcomputer 液晶顯示Liquid crystal
display
電阻電流Resistive current 泄漏Leakage 不能接受的Unacceptable
錯誤Error 代碼Code 刻度Graduate
帶tape 高度Height
二、TEXT
(1) the purpose of the fuel system is to store and deliver fuel to the engine
and APU. The fuel system is subdivided into dotrage, fueling,
distribution and indicating systems.
燃油系統用于貯存并傳輸燃油給發動機和APU。燃油系統細分為
貯藏、供油、分配及指示系統。
(2) There are 3 tanks for fuel storage and 2 vent surge tanks for temporary
fuel storage. Tank No.1 is located in the left wing, tank No.2 is located
in the right wing and center tank is located in the fuselage under the
passenger cabin. The 2 vent surge tanks are located outboard of the
main tanks. All fuel tanks are fuel tight. Close metal-to –metal fit of all
parts forms the basic seal. Sealing compounds and sealed fasteners are
used on all joints to complete the fluid tight seal. Two of the wing ribs
contain a series of baffle check valves to prevent fuel flow away from
the boost pumps.
燃油系統有3 個貯油箱和2 個用于臨時貯油的油箱。1 號油箱位于
左機翼，2 號油箱位于右機翼，中央油箱位于機身客艙下方。2 個
通氣均壓油箱位于兩個主油箱的外側。Close metal-to –metal fit of
all parts forms the basic seal.所有的油箱都是密封的。所有的接頭
處都用密封劑和密封緊固件進行密封。兩個翼肋處包括又個連續
的緩沖隔板單向活門，防止燃油從增壓泵中流出。
(3) The fueling system provides a means of filling the fuel tanks on the
airplane. Fueling can be accomplished by the use of a single pressure
fueling station through which all tanks can be filled partially or
completely. Alternately, the main tanks(No.1 and No.2) can be filled
through the overwing ports. The center tank can be filled by
transferring fuel from the main tanks using the fuel station.
燃油系統提供一種在飛機上給油箱注油的方式。供油可以通過一
個單壓力加油口來完成，通過它，可以為所有的油箱全部或部份
的加油。另一方面，主油箱（1、2 號）可以通過機翼上方口注油。
中央油箱可以用加油站從主油箱中傳輸來過。
(4) The components associated with the fueling system are the fueling
station located under the right wing leading edge outboard of the
engine, 3 float switches – one for each tank, prevent the tanks from
being overfilled. The tank fueling float switches are located near the
top of e ach tank and sense full tank quantity. The tanks can be filled to
any desired quantity, the float switches sense full tank condition and
automatically stop the fueling. Power requirements are supplied by
ground power, APU or the battery. Pressure fueling can also be done
manually. Maximum fuel pressure is 55 psi.
構成燃油系統的組件有位于右翼前緣襟翼外側的加油口，3 個浮子
開關-每油箱一個，用來防止油箱過滿。浮子開關位于油箱頂部測
量油量。油箱油量可按要求存貯，浮子開關測量油量并能自動停
止加油。電源可由地面電源、APU 或電瓶提供。壓力加油也可人
工操作。最大燃油壓力為55psi。
(5) The distribution system allows fuel to be supplied to the engines and
APU. In addition, the system can be used for defueling the tanks and
for fuel transfer between the tanks. The distribution system utilizes
pumps, valves and truing for engine and APU feed. The fueling station
is used for defueling and transfer operations which are only possible on
the ground.
燃油分配系統可為發動機及APU 供油。另外，分配系統可用于油
箱放油及油箱之間的輸油。分配系統利用泵、閥門及渦輪為發動
機及APU 供油。加油口只能在地面進行放油及輸油操作。
(6) Fuel is first supplied to both engines from the center tank and then
from the respective tanks to engines. The crossfeed valve allows fuel
　
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