RAYMOND J DRAGO
Engineers in Delaware
License number
Pennsylvania PE021601E
Category
Engineers
Type
Professional Engineer
Address
Address
2
Delaware
Glen Mills, PA 19342
Glen Mills, PA 19342
Professional information
High Ratio, Reduced Size Epicyclic Gear Transmission For Rotary Wing Aircraft With Improved Safety And Noise Reduction
US Patent:
6966865, Nov 22, 2005
Filed:
Nov 10, 2003
Appl. No.:
10/706497
Inventors:
Raymond J. Drago - Glen Mills PA, US
Joseph W. Lenski Jr. - Newtown Square PA, US
Mark J. Robuck - Chadds Ford PA, US
Joseph W. Lenski Jr. - Newtown Square PA, US
Mark J. Robuck - Chadds Ford PA, US
Assignee:
The Boeing Company - Chicago IL
International Classification:
F16H001/36
US Classification:
475338, 475342
Abstract:
A high ratio, double helical epicyclic gear transmission that is primarily intended for use in rotary wing aircraft employs double helical planet gears to obtain a reduction in size of the transmission, to improve the safety of the transmission, and to reduce the noise created by operation of the transmission.