Electrically actuated aircraft brakes

Details Electrically actuated aircraft brakes Electrically actuated aircraft brakes

1986-12-15

1989-09-12

Kashnikow, Andres

Brakes

Wheel

Axially movable brake element or housing therefor

188158, 310 80, F16D 5508, B60L 700

Patent

active

048651621

ABSTRACT:
This invention provides a roller screw drive mechanism (60) driven by an electric torque motor (50) through a gear drive (58,58',58") associated with either the screw (64,94) or nut (62,92) member of the roller screw drive mechanism. Rotation of the gear drive (58, 58', 58") by the torque motor (50) effectively moves the other member of the roller screw drive mechanism into axial engagement with the brake pressure plate (32) for braking action in response to an electrical control signal fed to the torque motor. A plurality of torque motor driven roller screw drive mechanisms are mounted in a balanced arrangement about the axis of the wheel and brake assembly to effectively apply and release a brake pressure force on the brake pressure plate in response to an electrical control signal to the torque motors.

REFERENCES:
patent: 2938607 (1960-05-01), Kershner et al.
patent: 3093213 (1963-06-01), Limoges et al.
patent: 3677372 (1972-07-01), Burnett
patent: 3724609 (1973-04-01), Kobald
patent: 3809191 (1974-05-01), Woodward
patent: 4037893 (1977-07-01), Perrin
patent: 4315174 (1982-02-01), Doerr
patent: 4432440 (1984-02-01), Crossman
patent: 4494025 (1985-01-01), Fickler
patent: 4529067 (1985-07-01), Scott
patent: 4542809 (1985-11-01), Crossman
patent: 4596316 (1986-06-01), Crossman
patent: 4602702 (1986-07-01), Ohta et al.
patent: 4658939 (1987-04-01), Kircher et al.
SKF Transol Brochure: "Transrol High Efficiency Ball and Roller Screws", 5-83; pp. 4-5.

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