AIR CONDITIONING SYSTEM FOR MOTOR VEHICLES
First Claim
1. An air conditioning system for motor vehicles, comprising:
- an air conditioner case (10) having an external air introduction port (12) and an internal air introduction port (14);
an intake door (18) rotatably installed in the air conditioner case (10) so as to open the external air introduction port (12) in an external air mode and open the internal air introduction port (14) in an internal air mode;
a blower (20) configured to draw an internal air or an external air through the external air introduction port (12) or the internal air introduction port (14) and to blow the internal air or the external air into a vehicle room; and
a control unit (60) configured to control the intake door (18) to move in such a direction as to close the external air introduction port (12) and to restrain entry of rainwater into the external air introduction port (12), if a rotation speed level of the blower (20) satisfies a predetermined rotation speed level condition in the external air mode.
1 Assignment
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Accused Products
Abstract
An air conditioning system for motor vehicles includes an air conditioner case having an external air introduction port and an internal air introduction port, an intake door rotatably installed in the air conditioner case so as to open the external air introduction port in an external air mode and open the internal air introduction port in an internal air mode, a blower configured to draw an internal air or an external air through the external air introduction port or the internal air introduction port and to blow the internal air or the external air into a vehicle room, and a control unit configured to control the intake door to move in such a direction as to close the external air introduction port and to restrain entry of rainwater into the external air introduction port, if a rotation speed level of the blower satisfies a predetermined condition in the external air mode.
14 Citations
10 Claims
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1. An air conditioning system for motor vehicles, comprising:
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an air conditioner case (10) having an external air introduction port (12) and an internal air introduction port (14); an intake door (18) rotatably installed in the air conditioner case (10) so as to open the external air introduction port (12) in an external air mode and open the internal air introduction port (14) in an internal air mode; a blower (20) configured to draw an internal air or an external air through the external air introduction port (12) or the internal air introduction port (14) and to blow the internal air or the external air into a vehicle room; and a control unit (60) configured to control the intake door (18) to move in such a direction as to close the external air introduction port (12) and to restrain entry of rainwater into the external air introduction port (12), if a rotation speed level of the blower (20) satisfies a predetermined rotation speed level condition in the external air mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification