AIR CONDITIONING UNIT AND AIR CONDITIONER FOR VEHICLE

AIR CONDITIONING UNIT AND AIR CONDITIONER FOR VEHICLE

PROBLEM TO BE SOLVED: To achieve a further reduction of driving sound (noise while driving).SOLUTION: In the air conditioning unit, the interior of the case includes: an evaporator; a heater core; a first duct for guiding air passing through the evaporator to the downstream side of the heater core a...

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Bibliographische Detailangaben
Hauptverfasser: CHIKAGAWA NORIYUKI, TOMIMASU KAZUHIRO
Format: Patent
Sprache:eng
Schlagworte:
ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES
PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
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Zusammenfassung:PROBLEM TO BE SOLVED: To achieve a further reduction of driving sound (noise while driving).SOLUTION: In the air conditioning unit, the interior of the case includes: an evaporator; a heater core; a first duct for guiding air passing through the evaporator to the downstream side of the heater core and a second duct for guiding air passing through the evaporator to the heater core, bypassing the heater core, an air mix damper 14 that is provided in the first duct positioned on the upstream side of the air mix region, blends the air passing through the first duct with the air passing through the second duct and the heater core in an air mix region on the downstream side of the evaporator and the heater core, adjusts air amount flowing into the second duct is provided with a lot of through-holes 54, 55, 56 or a plurality of openings penetrating through in the thickness direction, and flows the air into a cabin from each outlet. and the through-holes 54, 55, 56 or the openings are blocked with a sound absorbing material (porous body) 61.