F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 37/06 (2006.01) B64C 27/12 (2006.01) F16H 1/22 (2006.01) F16H 55/14 (2006.01)
Patent
CA 2042002
12 ABSTRACT An elastomeric torsional isolator comprises one or more elastomer layers disposed between a spur gear, having a pair of sloped surfaces, and a pair of rims having corresponding surfaces. The rims are attached to a flange extending from a shaft which has pinions for engaging a driven gear. By pre- loading the elastomer layers, the spur gear is frictionally connected to the flange and shaft, rather that mechanically engaged. The preloaded elastomer layers act as an elastomeric torsional isolator which accommodates variations in mechanical tolerances to balance the torque loading in a split torque drive system. Using elastomer layers for balancing the torque loading between a pair of torque splitting gear assemblies reduces the number of bearings required, increasing reliability and reducing part complexity.
Kish Jules G.
Webb Lionel George
Swabey Ogilvy Renault
United Technologies Corporation
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