High efficiency gear transmission

Details High efficiency gear transmission High efficiency gear transmission

1992-04-28

1993-08-03

Herrmann, Allan D.

Planetary gear transmission systems or components

Planet periphery surrounds axis of interacting gear

475176, 74462, F16H 132

Patent

active

052324125

ABSTRACT:
A gear pair having a low tooth number differential and a total contact ratio of .xi..sub..upsilon. =.xi..sub..alpha. +.xi..sub..beta. .gtoreq.1 provided that the profile contact ratio .xi..sub..alpha. <1 and the face contact ratio .xi..sub..beta. >0, wherein the absolute value of the difference of addendum modification coefficients .vertline.X.vertline. is less than one or equal to zero, thus increasing the transmission efficiency. Additionally, a transmission assembly is provided including such a gear pair construction.

REFERENCES:
patent: 2049696 (1936-08-01), Fliesberg
patent: 3427901 (1969-02-01), Wildhaber
patent: 3451290 (1969-06-01), Wildhaber
patent: 4446752 (1984-05-01), Shaffer et al.

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