Power transfer device for four-wheel drive

Machine element or mechanism – Gearing – Nonplanetary gearing differential type

Patent

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Details

180247, 180250, F16H 3504, B60K 17354, B60K 17352

Patent

active

048769193

ABSTRACT:
In combination with a power transfer device, a power transmission includes a first shaft rotatably mounted within a housing and having an input end for connection to an output shaft of the transmission and an output end for drive connection to a pair of rear road wheels, a second shaft rotatably mounted within the housing in parallel with the first shaft for drive connection to a pair of rear road wheels, a drive member rotatable on the first shaft, a driven member mounted on the second shaft for rotation therewith and being drivingly connected to the drive member, a limited-clip differential in the form of viscous clutch coupling having an outer casing mounted on the first shaft for rotation therewith and coupled in a liquid-tight manner with an inner sleeve rotatably on the first shaft for defining a viscous fluid chamber and for relative rotation thereto, and a clutch sleeve axially movably mounted on a hub portion of the drive member for rotation therewith and shiftable between a first position where it is engaged with both the outer casing and inner sleeve of the coupling and a second position where it is engaged with only the inner sleeve of the coupling.

REFERENCES:
patent: 4292860 (1981-10-01), Kako et al.
patent: 4601359 (1986-07-01), Weismann et al.
patent: 4699237 (1987-10-01), Matsumoto
patent: 4711136 (1987-12-01), Yoshinaka et al.
patent: 4723459 (1988-02-01), Yoshinaka et al.
patent: 4802383 (1989-02-01), Katayama et al.

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