192 clutches and power-stop control – Clutches – Fluent material
Patent
1990-11-30
1992-05-05
Braun, Leslie A.
192 clutches and power-stop control
Clutches
Fluent material
192 58R, 192 82T, F16D 3100
Patent
active
051099659
ABSTRACT:
The present invention provides an improvement in the structure of a temperature sensitive hydraulic fan coupling for supplying a suitable amount of cooling air to the automobile engine according to the travelling conditions of the automobile. The conventional fan coupling of the above type has had the disadvantages that since the rotation of the fan is controlled by a torque transmission mechanism depending only on the variation of ambient temperature, no supply of a suitable amount of cooling air to the engine is made especially at the time of acceleration of the engine so that the reduction of the amount of horsepower consumption and fan noise level cannot be realized satisfactorily. To eliminate the above disadvantage, the present invention uses both a temperature responsive valve member and a centrifugal valve for automatically controlling the flow of oil within the coupling thereby reducing the amount of horsepower consumption and fan noise level.
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Braun Leslie A.
Casella Anthony J.
Hespos Gerald E.
Pitts Andrea
Usui Kokusai Sangyo Kaisha Ltd.
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