Compact actuator

Details Compact actuator Compact actuator

2006-09-05

2006-09-05

Ho, Ha (Department: 3681)

Planetary gear transmission systems or components

Input from independent power sources

Including manual input

C475S005000, C475S331000, C244S214000, C244S215000

Reexamination Certificate

active

07101297

ABSTRACT:
A compact actuator (20) is arranged to selectively move an airfoil surface (27) relative to a support (27) relative to a support (21). The actuator includes a gear reduction unit (24) mounted on the support. The gear reduction unit has a ring gear (25) adapted to be rotated about a longitudinal axis (x—x), and a pinion (26) mounted on the ring gear. All bearings for the pinion gear are physically located within the gear reduction unit. The pinion gear engages a rack (23) attached to the airfoil surface such that rotation of the pinion gear will move the airfoil surface relative to the support.

REFERENCES:
patent: 2959070 (1960-11-01), Flinn
patent: 4305488 (1981-12-01), McIntosh
patent: 4691584 (1987-09-01), Takaishi et al.
patent: 2003-166557 (2003-06-01), None

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