192 clutches and power-stop control – Clutches – Operators
Patent
1991-04-19
1992-03-17
Braun, Leslie A.
192 clutches and power-stop control
Clutches
Operators
192105CE, 192103B, F16D 4324
Patent
active
050960350
ABSTRACT:
An alternator drive clutch limits alternator speed and prevents belt slippage through the use of specially designed and oriented centrifugal weights. Each weight is pivoted to the alternator shaft inside of a drum wall on the pulley and asymmetrically oriented so that rapid rotation pivots a friction pad on the weight progressively away from the drum wall. Acting in opposition, tension springs pull the pads toward the drum wall. An equilibrium of pad to drum wall slippage is reached such that the alternator does not rotate above a safe speed, but turns one-to-one with the pulley at low speeds. At any speed, high acceleration or deceleration can cause the pads to slip before the belt slips on the pulley, preventing belt chirp.
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patent: 5010994 (1991-04-01), Heireth et al.
Braun Leslie A.
General Motors Corporation
Griffin Patrick M.
Pitts Andrea
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