Compound planetary gear assembly

Details Compound planetary gear assembly Compound planetary gear assembly

1987-09-04

1989-05-02

Wright, Dirk

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74674, 74411, F16H 3706, F16H 5700

Patent

active

048257230

ABSTRACT:
A compound planetary gear assembly has multiple ring gears driven by a set of planet gears and coupled to multiple loads. Two of the ring gears are coupled to a common load via mechanical reaction paths of substantially different lengths to permit the entire assembly to fit within an envelope of reduced overall size. The shorter mechanical reaction path incorporates a compliant gear member which decreases the stiffness or spring rate of the shorter path to correspond substantially with the stiffness or spring rate of the longer path thereby insuring symmetric loading of the planet gears for smooth operation.

REFERENCES:
patent: 2944444 (1960-07-01), Burns
patent: 3008355 (1961-11-01), Grudin
patent: 3188888 (1965-06-01), Zink et al.
patent: 3307433 (1967-03-01), Bennett et al.
patent: 3633441 (1972-01-01), Hicks
patent: 3640150 (1972-02-01), Leiner et al.

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