Altitude preselect system for aircraft without air data computer

Details Altitude preselect system for aircraft without air data computer Altitude preselect system for aircraft without air data computer

1982-01-18

1984-12-25

Chin, Gary

Boots, shoes, and leggings

364434, 318584, 244180, G05D 108

Patent

active

044907940

ABSTRACT:
An altitude preselect apparatus for use with or incorporation into an automatic flight control system combines the incremental altitude signal from a pneumatic encoding altimeter with a vertical speed computation to generate a smooth, continuous instantaneous altitude signal. A vertical speed reference signal is generated to control the vertical flight path of the aircraft when the instantaneous altitude reaches a prescribed proximity to a desired flying altitude which is manually selected by the pilot. The apparatus initiates a capture sequence to hold the aircraft at the desired altitude once it is reached.

REFERENCES:
patent: 3524612 (1970-08-01), Ainsworth
patent: 3545703 (1970-12-01), Montvale
patent: 3578269 (1971-05-01), Kramer et al.
patent: 3638092 (1972-01-01), Kammerer
patent: 3899661 (1975-08-01), Lehfeldt
patent: 4012626 (1977-03-01), Miller et al.
patent: 4114842 (1978-09-01), Hofferber et al.
patent: 4377848 (1983-03-01), Flannigan et al.

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