Elastomeric load sharing device

Details Elastomeric load sharing device Elastomeric load sharing device

1991-02-11

1992-05-19

Wright, Dirk

Machine element or mechanism

Gearing

Pressure distributing

74411, 74440, F16H 5518

Patent

active

051137135

ABSTRACT:
An elastomeric load sharing device, interposed in combination between a driven gear and a central drive shaft to facilitate balanced torque distribution in split power transmission systems, includes a cylindrical elastomeric bearing and a plurality of elastomeric bearing pads. The elastomeric bearing and bearing pads comprise one or more layers, each layer including an elastomer having a metal backing strip secured thereto. The elastomeric bearing is configured to have a high radial stiffness and a low torsional stiffness and is operative to radially center the driven gear and to minimize torque transfer through the elastomeric bearing. The bearing pads are configured to have a low radial and torsional stiffness and a high axial stiffness and are operative to compressively transmit torque from the driven gear to the drive shaft. The elastomeric load sharing device has spring rates that compensate for mechanical deviations in the gear train assembly to provide balanced torque distribution between complementary load paths of split power transmission systems.

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patent: 3381548 (1968-05-01), Wolkenstein
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patent: 4503719 (1985-03-01), Hamano
patent: 4674351 (1987-06-01), Byrd
patent: 4770054 (1988-09-01), Ha
patent: 4912998 (1990-04-01), Sugano et al.

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