Differential device using a viscous fluid coupling mechanisms

Details Differential device using a viscous fluid coupling mechanisms Differential device using a viscous fluid coupling mechanisms

1987-01-20

1988-11-15

Braun, Leslie A.

Machine element or mechanism

Gearing

Nonplanetary gearing differential type

192 82T, F16H 3504

Patent

active

047840161

ABSTRACT:
A differential device using a fluid includes a differential case and a pair of sleeves which are rotatably supported by the differential case. Each of the outer end portions of the sleeves is connectable to one of a pair of rotary output shafts, while the inner end portions of the same are protruded into the case to face each other with a small clearance left therebetween. A chamber to be filled with a viscous liquid is defined between the case and the sleeves. A plurality of drive plates which are rotatable integrally with the case and a plurality of driven plates which are rotatable integrally with the sleeves are disposed in the chamber alternately with each other and in an overlapping manner. Guide rings are interposed between the nearby driven plates to position them at equally spaced locations. One of the guide rings is constantly located in a position where the inner end faces of the sleeves face each other, whereby the driven plates are prevented from falling into the clearance between the inner end faces of the sleeves.

REFERENCES:
patent: 3396605 (1968-08-01), Wilkinson et al.
patent: 3686976 (1972-08-01), Philippi
patent: 4031780 (1977-06-01), Dolan et al.
patent: 4048872 (1977-09-01), Webb
patent: 4096712 (1978-06-01), Webb
patent: 4650028 (1987-03-01), Eastman et al.
patent: 4662499 (1987-05-01), Jordan

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