Control apparatus

Details Control apparatus Control apparatus

1988-06-24

1990-08-07

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 12, 244223, 744248R, H02K 706, G05G 100

Patent

active

049470701

ABSTRACT:
Control apparatus of the kind disclosed in UK patent specification Nos. 2,073,887 and 2,114,717, i.e. in which a movable operating member, arranged to control associated apparatus such as an aircraft engine, is coupled to an electric stepper motor, the motor being energizable to move the operating member and/or to generate a `feel` resistance to, or detents in, the manual movement of the operating member, the apparatus including a ball-screw assembly comprising a lead-screw and ball-nut, one of which is connected to the operating member and, with the operating member, is linearly movable with respect to the other, the stepper motor being coupled to the ball-screw assembly so that rotation of the motor rotor produces, or is produced by, relative rotation of the lead-screw and ball-nut. The apparatus can be constrcted as a retrofit unit for being installed in an existing control system including a manual lever or the like coupled to say an aircraft engine so as to provide an automatic operating mode and/or feel force generation for the existing system.

REFERENCES:
patent: 2446393 (1948-08-01), Russell
patent: 2772841 (1956-12-01), Bonsteel
patent: 3156132 (1964-11-01), Borie, Jr.
patent: 3161074 (1964-12-01), Korthaus et al.
patent: 3315106 (1967-04-01), Reynst
patent: 3331971 (1967-07-01), Moller
patent: 3331972 (1967-07-01), Moller
patent: 3660704 (1972-05-01), Paine
patent: 3824420 (1974-07-01), Stegeman et al.
patent: 4110649 (1970-08-01), Mas
patent: 4438662 (1984-03-01), Walton et al.

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