F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 48/22 (2006.01) F16H 48/20 (2006.01)
Patent
CA 2113552
2113552 9302301 PCTABS00019 Frictional resistance is appreciably increased in parallel-axis/torque-proportioning types of automotive differentials to improve torque bias characteristics. A pair of sun gears (15, 17) receive, respectively, the ends of coaxial drive axles, and the sun gears (15, 17) are interconnected by at least one planetary pair of combination gears (23, 25) positioned in the housing circumferentially around the sun gears (15, 17). Each combination gear (23, 25) of the pair has a first engagement portion (27, 29) that is in mesh with a respective one of the sun gears (15, 17), and each also has a second engagement portion (31, 33) that is in mesh with its paired combination gear (23, 25). The first engagement portion (27, 29) of each combination gear (23, 25) is designed to develop end thrust on the combination gear to increase the frictional resistance between an end face of the gear and a bearing surface of the housing whenever the differential is subjected to a torque difference between its respective sun gears; and the gear's second engagement portion is specifically designed so that it develops either (a) no end thrust in a direction opposite to the direction of the end thrust developed by the first engagement portion or (b) end thrust in the same direction.
Dye James S.
Tseng Gordon B.
Kirby Eades Gale Baker
Zexel-Gleason Usa Inc.
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