Gear with integral overcouple protection

Details Gear with integral overcouple protection Gear with integral overcouple protection

2007-12-18

2010-10-26

Hannon, Thomas R (Department: 3656)

Machine element or mechanism

Gearing

Disconnecting means

C074S411000

Reexamination Certificate

active

07819038

ABSTRACT:
A gear including a pinion, a shaft and a disc is disclosed. The disc includes a cleavable element arranged to disengage the pinion from the shaft in case of an overcouple between the pinion and the shaft. A guiding module of the pinion is arranged to maintain the pinion in rotation in the support in case of a disengagement of the pinion from the shaft. In a turbo-machine, a gear box including such a gear allows the driving of auxiliary machines in case of a breakdown of a shaft in the gear box.

REFERENCES:
patent: 3247735 (1966-04-01), Bonnafe
patent: 4347715 (1982-09-01), Carman et al.
patent: 5261750 (1993-11-01), Eckhardt et al.
patent: 5341736 (1994-08-01), Makosch et al.
patent: 29 44 843 (1981-05-01), None
patent: 42 40 142 (1994-03-01), None
patent: 0 476 458 (1992-03-01), None
U.S. Appl. No. 11/965,190, filed Dec. 27, 2007, Vassaux, et al.

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