Patent ID: 11951803
Assignee: HYUNDAI MOTOR COMPANY
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A heating, ventilation, and air conditioning (HVAC) system for a vehicle, the HVAC system comprising:
an evaporator configured to allow air introduced from a first internal air and external air door to flow through the evaporator;
a first door located at an outflow end portion of the evaporator to control an amount of opening at a position where a freezing flow passage and a refrigerating flow passage are branched off;
a condenser configured to allow air introduced from a second internal air and external air door to flow through the condenser;
a second door located at an outflow end portion of the condenser to control an amount of opening at a position where the refrigerating flow passage and a warming flow passage are branched off;
a freezing room located at and fluidically connected to an outflow end portion of the freezing flow passage;
a refrigerating room located at and fluidically connected to an outflow end portion of the refrigerating flow passage;
a warming room located at and fluidically connected to an outflow end portion of the warming flow passage;
a first circulation flow passage formed between an outflow end portion of the freezing room and the first internal air and external air door;
a first bypass flow passage bypassing the first circulation flow passage from the outflow end portion of the evaporator to the freezing flow passage; and
a first bypass valve located between the first bypass flow passage fluidically connected to the refrigerating flow passage and an inflow end portion of the freezing room; and
a controller configured to control an amount of opening of each of the first internal air and external air door and the second internal air and external air door, the amount of opening of each of the first door and the second door and an amount of driving of each of the evaporator and the condenser in response to an outside air condition of the vehicle, to control temperature of each of the freezing room, the refrigerating room, and the warming room.