Engine full authority digital engine control automatic mach hold

Details Engine full authority digital engine control automatic mach hold Engine full authority digital engine control automatic mach hold

1994-12-19

1996-05-21

Casaregola, Louis J.

Power plants

Reaction motor

Method of operation

60224, 60243, F02C 600, F02C 900

Patent

active

055178197

ABSTRACT:
An engine controller system maintains a desired mach number for an aircraft. The fan speed of a slave engine is synchronized with the fan speed of a master engine. A previous Mach number value is compared with an actual Mach number value to determine a Mach number error. The resulting error corresponds to a fan speed which increases or decreases engine thrust to achieve a Mach number error equal to zero, maintaining the desired aircraft Mach number.

REFERENCES:
patent: 4259838 (1981-04-01), McCollum et al.
patent: 4296601 (1981-10-01), Martin
patent: 4303976 (1981-12-01), Joby
patent: 4551972 (1985-11-01), Lewis
patent: 5058376 (1991-10-01), Snow

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