Compact planetary gear assembly

Details Compact planetary gear assembly Compact planetary gear assembly

1976-09-10

1977-12-20

Wyche, Benjamin W.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74750R, 192 18R, F16H 5710, F16D 6702

Patent

active

040634701

ABSTRACT:
A power transfer mechanism incorporates a planetary or epicyclic gear set which may be shifted between high and low-range conditions to establish direct drive and reduction ratio drive modes. The ring and planet gears are unloaded in high, thus avoiding vibration and wear commonly experienced when running locked up. The carrier defines an output member within which the planetary assembly is nested, thereby providing a shortened installation length for this type of unit. A shifting sleeve under the ring gear bearing support further shortens installation length. The sleeve includes a floating shift collar which does not disengage from the ring gear, thus eliminating one set of mesh points commonly encountered in this type of range selection.

REFERENCES:
patent: 991754 (1911-05-01), Schoonmaker
patent: 2068437 (1937-01-01), Starr
patent: 2259731 (1941-10-01), Burtnett
patent: 2331684 (1943-10-01), Henningsen
patent: 2708017 (1955-05-01), Orr et al.
patent: 2730914 (1956-01-01), Rockwell

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