Pivoting power transmission unit with load transfer via the...

Details Pivoting power transmission unit with load transfer via the... Pivoting power transmission unit with load transfer via the...

2005-07-12

2005-07-12

Eldred, J. Woodrow (Department: 3644)

Aeronautics and astronautics

Aircraft, heavier-than-air

Helicopter or auto-rotating wing sustained, i.e., gyroplanes

C244S056000, C244S066000

Reexamination Certificate

active

06915983

ABSTRACT:
A pivoting power transmission unit is provided for driving a tiltable rotor of a convertible aircraft. The casing of the pivoting transmission unit comprises a lower casing, by which the casing is able to pivot on a support by two bearings each having a stationary part integral with the support and a swivelling part. The lower casing is assembled to an upper casing in which a drive shaft connected in rotation to gears housed in the casing is mounted so as to rotate about an axis of rotation perpendicular to the pivot axis of the casing. The upper casing is supported by an arrangement configured to transfer to the support via said bearings load/thrust forces experienced by the drive shaft during use.

REFERENCES:
patent: 4431148 (1984-02-01), Mouille
patent: 5823470 (1998-10-01), Craig et al.
patent: 6260793 (2001-07-01), Balayn et al.
patent: 6276633 (2001-08-01), Balayn et al.
patent: 6467724 (2002-10-01), Kuenkler
patent: WO 03/040593 (2002-10-01), None

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