VEHICULAR AIR CONDITIONING SYSTEM

PROBLEM TO BE SOLVED: To provide a vehicular air conditioning system with a cold air bypass channel for reducing refrigerant passing sounds without giving an uncomfortable feeling to an occupant. SOLUTION: The cold air bypass channel 18 is provided separately parallel to a cold air passage 17 in an...

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Bibliographic Details
Main Authors YASUNAGA MASAO, IMAI KENJIRO
Format Patent
LanguageEnglish
Published 14.05.2009
Subjects
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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Summary:PROBLEM TO BE SOLVED: To provide a vehicular air conditioning system with a cold air bypass channel for reducing refrigerant passing sounds without giving an uncomfortable feeling to an occupant. SOLUTION: The cold air bypass channel 18 is provided separately parallel to a cold air passage 17 in an air-conditioner case 10 so that cold air not passing through a heater core 16 passes toward a face opening portion 19. An air conditioning control device adjusts the opening of a cold air bypass door 22 to prevent the refrigerant passing sounds generated from a flow-in portion 29 of an evaporator 9 from being conveyed to the face opening portion 19 during a time from starting a blower 15 to satisfying predetermined canceling conditions. It adjusts the opening of the cold air bypass door 22 upon request of conditioning air in a vehicle room when satisfying the canceling conditions. COPYRIGHT: (C)2009,JPO&INPIT
Bibliography:Application Number: JP20070276833