Gear synchronizer for a power transmission

Details Gear synchronizer for a power transmission Gear synchronizer for a power transmission

1981-11-20

1984-05-01

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Progressive engagement

74339, F16D 1328, F16H 338

Patent

active

044456026

ABSTRACT:
A synchronizer for a power transmission has a split cone ring rotatable with a ratio gear and a split bearing ring rotatable with the synchronizer ring. During ratio change, the synchronizer ring transmits a normal force to the split cone ring which develops into axial and radial components. The normal component imposes a first frictional torque on the cone ring while the radial component causes contraction of the cone ring about the split bearing to create a second frictional torque acting on the cone ring. The contraction of the cone ring causes contraction of the bearing which frictionally engages a hub on the ratio gear and transmits a third frictional torque to the hub. The three torques are additive to cause the ratio gear to accelerate or decelerate so that speed synchronizing between the shift ring, synchronizer ring and ratio gear will occur.

REFERENCES:
patent: 2932373 (1960-04-01), Schmid
patent: 3158240 (1964-11-01), Harrington
patent: 3272291 (1966-09-01), Flinn
patent: 3286801 (1965-11-01), Wojcikowski
patent: 3378122 (1968-04-01), Funiciello
patent: 4294338 (1981-10-01), Simmons

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