AIR CONDITIONING APPARATUS FOR A VEHICLE
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United States of America Patent
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Issued Date -
Sep 28, 2017
app pub date -
Mar 7, 2017
filing date -
Mar 24, 2016
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Abstract
In the air conditioning system for a vehicle, when the mode is switched from a bi-level mode in which cold air is blown to a vicinity of a face of a passenger while warm air is blown to a vicinity of a foot to a vent mode in which only the cold air is blown to the vicinity of the face, the time at which the heating damper is started to be closed is delayed relative to the time at which the vent damper is started to be further opened, and the above heat damper is caused to be in a fully closed state in a state where the above vent damper is sufficiently opened. As a result, the heat damper can be operated after the pressure within the air conditioning case is reduced. Therefore, the driving torque of the actuator for driving the heat damper can be reduced.
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