Tandem fan for motor-vehicle radiators

Internal-combustion engines – Cooling – Automatic coolant flow control

Patent

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Details

123 4149, 165121, 165DIG307, F01P 702

Patent

active

058265490

ABSTRACT:
A tandem fan for a motor-vehicle radiator has one fan impeller driven via a fluid friction clutch by the engine shaft. Both fan impellers have belt pulleys with a common driving belt. Overrunning clutches for the two fan impellers ensure the impellers are driven by the drive shaft which is running faster.

REFERENCES:
patent: 3853098 (1974-12-01), Ishikawa et al.
patent: 3882951 (1975-05-01), Conley
patent: 4757858 (1988-07-01), Miller et al.

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