Belt transmission device for engine auxiliaries

Details Belt transmission device for engine auxiliaries Belt transmission device for engine auxiliaries

1996-03-06

1997-10-14

Pitts, Andrea L.

192 clutches and power-stop control

Clutches

Automatic

192 45, 192 451, 474 70, 474 74, F16H 900, F16H 1100, F16D 4100

Patent

active

056762259

ABSTRACT:
In a belt transmission device in which rotating inertia torque of a rotor of an alternator is avoided, by a one-way clutch, from being inversely transmitted to a crank shaft of an engine, the one-way clutch is composed so as to effectively respond to slight variation in angular velocity of the crank shaft to prevent a mis-locking, thereby preventing a slip of a transmission belt and extending a belt life. To attain this purpose, an angle of operational delay of the outer roller type one-way clutch until the one-way clutch is switched from the freed state to the locked state between a driving-side outer race and a driven-side inner race is set to be smaller than a specified angle of displacement of slight variation in angular velocity to be transmitted to the outer race in a high-rpm region of the engine.

REFERENCES:
patent: 4392840 (1983-07-01), Radocaj
patent: 4457269 (1984-07-01), Beardmore
patent: 4613318 (1986-09-01), McWilliam et al.
patent: 4725259 (1988-02-01), Miyata

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