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Video Thermodynamics 1
Video Thermodynamics 2
Video Thermodynamics 3
Video Thermodynamics 4
Video Thermodynamics 5
Video Thermodynamics 6

Video Cooling

Video Add. Information
Video Summary
Video Maintenance
Video Repair
Video How to get engine warm?
Video Air Cooling
Video Air-stream Cooling
Video Air/Liquid Cooling
Video Blower Cooling
Video Axial Blower 1
Video Axial Blower 2
Video Radial Blower
Video Liquid Cooling
Video Cooling Module
Video Radiator
Video Closed Cooling S.
Video Coolant Pump 1
Video Coolant Pump 2
Video Coolant Pump 3
Video Coolant
Video Antifreeze
Video Frost Plug
Video Electr./Hydr. Fan
Video Vacuum Filling
Video Hydrostatic Blower
Video Belt Drive
Video V-belt Drive
Video Fuel Vaporization
Video Thermostat
Video Electronic Cooling 1
Video Electronic Cooling 2
Video Thermosiphon Cooling
Video Visc. Cooling Fan 1
Video Visc. Cooling Fan 2
Video Oil Cooling
Video Heat Exchanger
Video Charge Ait Cooler 1
Video Charge Ait Cooler 2
Video Fuel Cooling

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Closed Cooling System

Surplus coolant is not lost during warming-up and after shutting down the hot engine, but, is collected in a reservoir-tank (figure) and when cooling is necessary, is supplied to the cooling system again. In this process, gaseous portions can also escape from the cooling system and cause no further damage. The waterpump uses less energy because it must not always prime the pump anew. Gaseous coolant (Cavitation) on the intake side is avoided.Especially important is, that the coolant temperature, through high pressure, can reach possibly up to 120C without reaching its boiling point. The engine can be operated at a higher operating temperature, which causes an increase in efficiency.

Overpressure valve opens at just 1 bar (1000 hPa).

The reservoir-tank is only partly filled with coolant. When the engine is cold, the coolant level should lie between the min. and max. marking. The space above the max. mark fills partly with coolant at high temperatures. Gases escape through a pressure relief valve in the screw-top. There another valve is also often found, which allows air, when cooling down, into the system again, thus preventing the development of a vacuum in the reservoir-tank. 06/09               Top of page               Index
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Translator: Don Leslie - Email:

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