TEMPERATURE CONTROL FOR VEHICLE PASSENGER SPACE

A blower supplies outside air to two ducts in one of which the air may be heated in cold weather and in the other of which air may be cooled in warm weather. At the downstream junction of these ducts a flap valve, positioned by a thermosensitive expansion element located in the cooler of the two air...

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Bibliographic Details
Main Author STEINMANN H,DT
Format Patent
LanguageEnglish
Published 15.10.1974
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Summary:A blower supplies outside air to two ducts in one of which the air may be heated in cold weather and in the other of which air may be cooled in warm weather. At the downstream junction of these ducts a flap valve, positioned by a thermosensitive expansion element located in the cooler of the two air streams, determines the proportion in which the two air streams will contribute to the air delivered to the passenger space. A vent of small cross-section downstream from the thermosensitive element assures a minimum flow of the cooler air stream sufficient to actuate the control.
Bibliography:Application Number: US19730323515