Claims
- 1. An aircraft cabin exit door lock control system comprising in combination:
- an exit door locking mechanism having lock and a closing motor;
- means for removing power from said closing motor after the exit door is locked;
- electromagnetic means for holding said closing motor after said exit door is locked; and,
- said control system further including lock-unlock voting logic.
- 2. In combination in an aircraft exit door flight lock system:
- a voting logic circuit;
- inertial reference system logic circuit means;
- pitot system logic circuit means;
- air/ground system circuit logic means;
- said voting logic circuit responsive to said inertial reference system logic circuit means, said pitot system logic circuit means, and said air/ground system logic circuit means for providing a signal representative of lock/unlock decision.
- 3. The invention according to claim 2 further including:
- lock/unlock logic switch means responsive to said signal representative of lock/unlock decision;
- a relay including an energizing coil;
- a lock actuator assembly including an electromagnet; and
- said lock/unlock logic switch means energizing said energizing coil of said relay means and further transferring power to said electromagnet when said lock/unlock logic switch means is in a lock position.
Parent Case Info
This is a continuation of application No. 07/135,218 filed Dec. 21, 1987, and now abandoned.
US Referenced Citations (4)
Continuations (1)
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Number |
Date |
Country |
Parent |
135218 |
Dec 1987 |
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