ROBERT J WILLIS
Engineering in Ipswich, MA
License number
Massachusetts 8064
Issued Date
Oct 25, 1957
Expiration Date
Jun 30, 2016
Type
Mechanical Engineer
Address
Address
Ipswich, MA 01938
Professional information
Transmission Having Dual Counterrotating Output Shafts
US Patent:
4964315, Oct 23, 1990
Filed:
Oct 3, 1984
Appl. No.:
6/657435
Inventors:
Robert J. Willis - Ipswich MA
Assignee:
General Electric Company - Lynn MA
International Classification:
F16H 3706
US Classification:
74665GA
Abstract:
The present invention includes a stationary housing having disposed therein an epicyclic star gearset including sun, idler, and ring gears. The sun gear includes an input shaft extending therefrom, and the ring gear includes a first output shaft extending therefrom. A bull gear having a second output shaft extending therefrom is also provided and is operatively connected to a pinion gear, which pinion gear is fixedly connected to an idler shaft extending from said idler gear. In accordance with a preferred embodiment of the invention, the gears are predeterminedly sized for obtaining equal and opposite rotation of the first and second output shafts during operation.