Isolated ring gear for planetary gear drive systems

Details Isolated ring gear for planetary gear drive systems Isolated ring gear for planetary gear drive systems

1996-05-01

1998-02-10

Ta, Khoi Q.

Planetary gear transmission systems or components

Planetary gearing or element

Floating or flexible coupling or support

475347, 464 67, B60K 1702, F16H 1308, B64C 2759

Patent

active

057163006

ABSTRACT:
An isolated ring gear (60) for a planetary gear drive system (12), which isolated ring gear (60) is operative transferring torque loads and reducing the transmission of high frequency vibrations from the planetary pinions (36) of the drive system (12) to an adjacent support (50). The isolated ring gear (60) includes and inner ring segment (62), an outer ring segment (64) and a plurality of spring elements (66) disposed between and integrally formed with the inner and outer ring segments (62, 64). The inner ring segment (62) has a plurality of gear teeth (62.sub.T) for being disposed in intermeshing combination with the teeth (32b.sub.T) of the planetary pinions (36) and the outer ring segment (64) is rigidly affixed to the adjacent support structure (50). The spring elements (66) are operative to transfer torque loads from the inner ring segment (62) to the outer ring segment (64) and, furthermore, provide a torsionally soft load path for reducing the transmission of high frequency vibrations from the inner ring segment (62) to the adjacent support structure (50).

REFERENCES:
patent: 2775105 (1956-12-01), Banker
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patent: 5271288 (1993-12-01), Hayduk et al.
patent: 5310137 (1994-05-01), Yoerkie et al.
patent: 5391125 (1995-02-01), Turra et al.
patent: 5472386 (1995-12-01), Kish
patent: 5551928 (1996-09-01), Sudau

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