Constant-velocity joint with torque-combining differential

Details Constant-velocity joint with torque-combining differential Constant-velocity joint with torque-combining differential

2008-01-04

2011-10-18

Binda, Gregory (Department: 3679)

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Coupling accommodates drive between members having...

Coupling transmits torque via axially directed pin radially...

C464S904000

Reexamination Certificate

active

08038539

ABSTRACT:
A constant-velocity drive system for an aircraft rotor has a gimbal mechanism and a differential torque-combining mechanism. The gimbal mechanism has gimbals driven in rotation by a rotor mast about a mast axis, the gimbals providing for gimballing relative to the mast about gimbal axes generally perpendicular to the mast axis. The differential torque-combining mechanism is connected to the gimbal mechanism and configured to be driven in rotation about the mast axis by the gimbal mechanism. The differential mechanism is capable of gimballing relative to the mast about the gimbal axes, the differential torque-combining mechanism having an output component attached to a yoke of the rotor for driving the yoke in rotation with the differential torque-combining mechanism.

REFERENCES:
patent: 784397 (1905-03-01), Halle
patent: 4729753 (1988-03-01), Neathery et al.
patent: 5145321 (1992-09-01), Flux et al.
patent: 6695254 (2004-02-01), Zoppitelli et al.
patent: 6712313 (2004-03-01), Zoppitelli et al.
International Search Report and Written Opinion in PCT/US08/50213, mailed Jul. 1, 2008.
International Preliminary Report on Patentability in PCT/US08/50213, mailed Oct. 28, 2010.

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