Limited slip differential

Details Limited slip differential Limited slip differential

1986-06-09

1988-07-05

Braun, Leslie A.

Machine element or mechanism

Gearing

Teeth

74713, F16H 140

Patent

active

047546611

ABSTRACT:
In order to provide pulsating thrust on vehicle half-shafts during excess differential actions such as occur on spin-outs or skids on ice, the side gear teeth are modified to exhibit two different e.g. involutes on the single tooth engagement zone (P.sub.1 -P.sub.2). Their junction line is a convex discontinuity (Q), the modified teeth becoming thicker. The pinions are typically unmodified.
The pulsating increases friction, which reduces spin-out tendencies. The friction can be increased more by inserting friction rings between the side gears and their bearings.

REFERENCES:
patent: 1404505 (1922-01-01), Williams
patent: 1455706 (1923-05-01), Bower et al.
patent: 3104557 (1963-09-01), Baxter, Jr.
patent: 3454394 (1969-07-01), Honobe
patent: 3524361 (1970-08-01), Iyoi et al.
patent: 3703108 (1972-11-01), McCaw
patent: 3918314 (1975-11-01), Osipyan
patent: 4273002 (1981-06-01), Ogasawara et al.
patent: 4640149 (1987-02-01), Drago

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