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┃      A~7-~'M" A321             ┃THRUST REVERSER SYSTEM  ┃          ┃          ┃
┃   FLIGHT CREW OPERATING MANUAL ┃                        ┃          ┃          ┃
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The aircraft reverses engine thrust by using four pivoting blocker doors on each engine to
deflect the fan airstream.
FAN  REVERSER  (STOWED)
FAN REVERSER (DEPLOYED)
A hydraulic door jack positions each door.
- The green circuit powers the doors on ENG 1.
- The yellow circuit powers the doors en ENG 2
CCM ALL
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┃                                ┃                              ┃1.70.70     P 2       ┃
┃                                ┃                              ┣━━━━━┳━━━━━┫
┃I  -~ A318                      ┃I      THRUSTEREVERSER SYSTEM ┃SEQ 110 1 ┃I REV 31  ┃
┃  .,,,.8, ,, ~L,~ A319          ┃                              ┃          ┃          ┃
┃ Lli,~ A320                     ┃                              ┃          ┃          ┃
┃      A~7-~'M" A321             ┃                              ┃          ┃          ┃
┃   FLIGHT CREW OPERATING MANUAL ┃                              ┃          ┃          ┃
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The associated FADEC controls the thrust reverser system. Each FADEC channel performs
control and monitoring functions. The systems for the two engines are independent of each
other.
The thrust reverser system on each engine has :
- 4 actuators,
- 4 latches,
- Door position switches,
- A Hydraulic Control Unit (HCU) that :
   ~ Pressurizes the thrust reverser hydraulic system,
   ~ Regulates the speed of the blocker doors, and
   ~ Supplies actuators with hydraulic power.
- A hydraulic shutoff valve which allows hydraulic pressure to the HCU.
Each pivoting door moves independently (the doors are not synchronized). The total
actuation time is less than two seconds.
Deployment requires :
- One FADEC channel, operating with its associated throttle reverse signal ;
- Right and left main gear compressed signal from the corresponding LGCIUs ;
- A Thrust Lever Angle (TLA) reverse signals from at least one Spoiler Elevator Computer
   (SEC).
Before deployment is completed, the FADEC sets reverse idle thrust on the engine that is
　
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本文鏈接地址：AIRBUS A320 Flight Crew Operating Manual5(167)