Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1979-05-17
1981-07-28
Herrmann, Allan D.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74462, 74801, F16H 344, F16H 5508
Patent
active
042803764
ABSTRACT:
A single-stage high-ratio compound planetary gear system has gears configured for optimal tooth profile contact to minimize Hertzian stresses under relatively high contact loads characteristic of high-ratio gearing. Criteria is established for determining the optimal line of action required to attain a substantially constant relative radius of curvature between the teeth of a mating set and optimal tooth geometry for maximal contact between mating teeth.
REFERENCES:
patent: 1434987 (1922-11-01), Bostock et al.
patent: 2422326 (1947-06-01), Wildhaber
patent: 3164915 (1965-01-01), Benner et al.
patent: 3631736 (1972-01-01), Saari
patent: 3792629 (1974-02-01), Applebury
patent: 3918315 (1975-11-01), Rouverol
patent: 3982445 (1976-09-01), Rouverol
patent: 4040312 (1977-08-01), Tappen et al.
Energistics, Inc.
Herrmann Allan D.
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