Face gearing with conical involute pinion

Details Face gearing with conical involute pinion Face gearing with conical involute pinion

1998-04-03

1999-08-24

Jeffery, John A.

Machine element or mechanism

Gearing

Backlash take-up

74417, 744595, F16H 5518

Patent

active

059411244

ABSTRACT:
The present invention is directed to a unique gear set including a conical involute pinion and a mating face gear. The mating face gear has an axis whose location and orientation is usually configured, as intersecting with or slightly offset from the pinion axis. The pinion teeth are formed as involute helicoids generated from a base cylinder. The mating face gear teeth are defined by the shape of the mating conical pinion teeth surface at that time when the two mating gears are specifically positioned so as to perform synchronous rotations about their respective axes of rotation. This arrangement allows the gears to mesh and transmit high torque at high speeds through an angle as required in helicopter transmissions and the like.

REFERENCES:
patent: 3918314 (1975-11-01), Osipyan
patent: 5116173 (1992-05-01), Goldrich
patent: 5178028 (1993-01-01), Bossler, Jr.
patent: 5807202 (1998-09-01), Sammataro
Dudley, Darle, Gear Handbook, McGraw-Hill Book Company, pp. 2-9 to 2-11, 1962.
Candee, Allan, Bevel Gears in Aircraft, Transactions of the A.S.M.E., p. 267, May, 1943.

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