Internal-combustion engines – Cooling – Automatic coolant flow control
Reexamination Certificate
2004-03-27
2008-03-11
Kamen, Noah P. (Department: 3747)
Internal-combustion engines
Cooling
Automatic coolant flow control
Reexamination Certificate
active
07341026
ABSTRACT:
A drive train system having a driving engine that has a cooling system for cooling the driving engine is provided. The cooling system has a coolant circuit, a cooling device, and a fan that is associated with the cooling device and that is in driveline connection with the driving engine. A controllable or regulatable clutch is arranged between the driving engine and the fan. The clutch is a hydrodynamic clutch having a primary wheel and a secondary wheel, which jointly form a working chamber that can be filled with a working fluid, and is provided with a working fluid supply system associated with the clutch and with means for influencing the transmission behavior of the hydrodynamic clutch.
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International Search Report dated Jul. 28, 2004 from PCT/EP2004/003273 German Search Report dated Apr. 6, 2004 from German Appln. No. 103 15 402.7-22.
Kamen Noah P.
Ohlandt Greeley Ruggiero & Perle L.L.P.
Voith Turbo GmbH & Co. KG.
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