Gear with integral overcouple protection

Details Gear with integral overcouple protection Gear with integral overcouple protection

2007-12-27

2010-11-02

Hannon, Thomas R (Department: 3656)

Machine element or mechanism

Gearing

Disconnecting means

C074S411000

Reexamination Certificate

active

07823474

ABSTRACT:
A gear including a pinion being integral with a rotatably mounted shaft in a support by a cleavable element arranged to disengage the pinion from the shaft in case of an overcouple between the pinion and the shaft is disclosed. A guiding bearing, pending between the pinion and the shaft, is arranged to rotatably guide the pinion around the shaft, in case of a disengagement of the pinion from the shaft. In a turbomachine, 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: 888116 (1962-01-01), None
U.S. Appl. No. 11/958,951, filed Dec. 18, 2007, Vassaux.

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