Automatic free-wheeling hub assembly

Details Automatic free-wheeling hub assembly Automatic free-wheeling hub assembly

1990-04-30

1992-02-04

Lorence, Richard

192 clutches and power-stop control

Clutches

Axially engaging

192 85A, 180247, 403 1, F16D 25061, B60K 2308

Patent

active

050853040

ABSTRACT:
A diaphragm control is disclosed for a free-wheeling hub assembly that selectively engages a four-wheel drive. A venting arrangement is disclosed for the diaphragm chamber of the free-wheeling hub assembly. The venting arrangement extends through the body of the free-wheeling hub assembly to a space within the engine compartment of the vehicle thus ensuring that the vent will not become clogged thus preventing the venting of the diaphragm chamber. Venting of the diaphragm chamber is important in predicting the pressure within the diaphragm chamber and thus the engagement of the free-wheeling hub assembly.

REFERENCES:
patent: 4282949 (1981-08-01), Kopich et al.
patent: 4293061 (1981-10-01), Brown
patent: 4627512 (1986-12-01), Clohessy
patent: 4817752 (1989-04-01), Lobo et al.
patent: 4928804 (1990-05-01), Wakabayashi
patent: 4960192 (1990-10-01), Kurihara

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