Brakes – Wheel – Axially movable brake element or housing therefor
Patent
1996-06-28
1999-08-31
Graham, Matthew C.
Brakes
Wheel
Axially movable brake element or housing therefor
188 725, F16D 5536
Patent
active
059441470
ABSTRACT:
The integrated aircraft wheel, brake and axle comprises a hollow wheel and brake axle (16, 116) having longitudinal splines (17, 117) about its outer periphery, the longitudinal splines (17, 117) engaging splines (62, 162) of a piston housing (60, 160) to effect a non-rotatable connection therebetween. In one embodiment, the piston housing (60) is connected by way of a spline sleeve (70) with a backing plate (80). A wheel (45) is rotatably mounted upon an end of the brake axle (16) and includes a drum drive (52) which extends axially to a drum drive end (52A) having at its inner diameter a bearing assembly (55, 56) between the drum drive end (52A) and an outer diameter of the piston housing (60). In another embodiment, the drum drive (152) may include a thrust flange (151) engaging a rotor disc backing plate (192A). A plurality of stator discs (90, 190) are connected non-rotatably with the spline sleeve (70, 170) and splines (17, 117) of the brake axle (16, 116) and a plurality of rotors (92, 192) are connected with a plurality of splines (53, 153) attached to the inner diameter of the drum drive (52, 152). The brake axle(s) (16, 116) is connected non-rotatably to a brake torque take-out arm(s) (18, 22, 118) which is connected with a brake rod(s) (20, 24) for attachment to a strut (12) of the aircraft. Either a pair of brake torque take-out arms (22) and brake rods (24) or a single brake torque take-out arm (18, 118) and brake rod (20) aligned axially with the strut (12) may be utilized with an axle.
REFERENCES:
patent: 2043933 (1936-06-01), Sohl
patent: 3038559 (1962-06-01), Hirzel
patent: 3357519 (1967-12-01), Anderson et al.
patent: 3829162 (1974-08-01), Stimson
patent: 3977631 (1976-08-01), Jenny
patent: 4944370 (1990-07-01), Chambers et al.
Photograph of TU-144 Wheel and Brake from Designing of aircraft wheels and brake structures, Publishing House Machinostpoenie, Moscow by I. Zverev and S. Kokonin, 1973.
Aviaexport brochure, circa 1990.
Allied-Signal Inc.
Desmond Robert
Graham Matthew C.
Palguta Larry J.
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