Vehicle air-conditioning system

Patent metadata

Field	Value
Publication number	US-11052726-B2
Application number	US-201715739804-A
Country	US
Kind code	B2
Filing date	Jan 6, 2017
Priority date	Jan 18, 2016
Publication date	Jul 6, 2021
Grant date	Jul 6, 2021

Abstract

The present invention relates to an air conditioning system for a vehicle in which an air-conditioning module having an air-conditioning case and a blower unit is disposed at a side of an engine room relative to a dash panel, and a distribution duct having a defrost vent, a face vent, and a floor vent is disposed in the interior of a vehicle relative to the dash panel so as to distribute cold air and hot air discharged from the air-conditioning case into the interior of the vehicle, wherein the floor vent is placed on one side of an area, in which a relatively large amount of hot air flows, in a mixing chamber of the distribution duct where cold air and hot air are mixed, i.e. a side adjacent to the dash panel.

First claim

The invention claimed is:

1. An air conditioning system for a vehicle comprising:
an air-conditioning case having a cold air passageway and a warm air passageway;
a distribution duct, which is connected with an outlet of the air-conditioning case and includes a defrost vent, a face vent, and a floor vent disposed to distribute cold air and warm air discharged from the air-conditioning case to a specific position of an interior of the vehicle according to air discharge modes;
a dash panel separating an engine room from the interior of the vehicle;
the air-conditioning case arranged inside the engine room relative to the dash panel, and the distribution duct arranged in the interior of the vehicle relative to the dash panel;
one through hole defined in the dash panel, and the air-conditioning case and the distribution duct being combined with each other through the one through hole;
a division wall partitioning the cold air passageway and the warm air passageway such that the cold air passageway and warm air passageway are stacked relative to one another inside the air-conditioning case;
a condenser positioned in the warm air passageway and extending between the division wall and a top wall of the air-conditioning case, and an evaporator positioned in the cold air passageway below the division wall and extending between the division wall and a bottom wall of the air-conditioning case;
the division wall partitioning the warm and cold air passageways at an inlet of the air-conditioning case, the warm and cold air passageways meeting together at the outlet of the air-conditioning case, such that an air mixing part where cold air from the cold air passageway and warm air from the warm air passageway meet is formed adjacent to the outlet of the air-conditioning case;
wherein the floor vent is located closer to the warm air passageway than the cold air passageway such that warmer air is discharged through the floor vent than through the face vent;
the air-conditioning case defining a cold air discharge port at one side of the cold air passageway of the air-conditioning case for discharging cold air passing through the evaporator to an outside;
a cold air mode door for opening and closing the cold air discharge port;
the air-conditioning case defining a warm air discharge port at one side of the warm air passageway of the air-conditioning case for discharging warm air passing through the condenser to the outside;
a warm air mode door for opening and closing the warm air discharge port;
the division wall defining a bypass passageway between the evaporator and the condenser for fluidly communicating the cold air passageway with the warm air passageway;
a bypass door mounted on the bypass passageway for opening and closing the bypass passageway;
wherein a blower unit for blowing air to the cold air passageway and the warm air passageway is connected to the air-conditioning case;
wherein the blower unit includes a first blower connected to a side of an inlet of the cold air passageway of the air-conditioning case to blow air toward the cold air passageway, and a second blower connected to a side of an inlet of the warm air passageway of the air-conditioning case to blow air toward the warm air passageway;
wherein the first and second blowers are spaced apart and opposed to each other in a width direction of the vehicle, and wherein an entire inlet of an intake duct is located between the first and second blowers in the width direction.

2. The air conditioning system according to claim 1 , wherein the floor vent is formed adjacent to the dash panel in the distribution duct.

3. The air conditioning system according to claim 2 , wherein the defrost vent and the face vent are partitioned from each other at an upper part of the distribution duct, and
wherein the floor vent is formed between an air inflow port of the distribution duct and the defrost vent.

4. The air conditioning system according to claim 2 , wherein a mode door for opening and closing the floor vent is mounted in the distribution duct, and is mounted to face the dash panel.

5. The air conditioning system according to claim 1 , wherein the floor vent is formed at a side of the distribution duct.

6. The air conditioning system according to claim 1 , wherein an electric heater is mounted inside the distribution duct arranged in the interior of the vehicle.

7. The air conditioning system according to claim 6 , wherein the distribution duct comprises: a bypass passageway formed such that the air flowing inside the distribution duct bypasses the electric heater; and a bypass door for controlling a degree of opening of the bypass passageway and a passageway of a side of the electric heater.

8. The air conditioning system according to claim 1 , wherein the one through hole is formed in the dash panel, and the air-conditioning case and the distribution duct are combined with each other through the one through hole, and
wherein the air mixing part where cold air passing through the cold air passageway and warm air passing through the warm air passageway are mixed together is formed inside the air-conditioning case to be located at a front end of the one through hole.

9. An air conditioning system for a vehicle comprising:
an air-conditioning case having a cold air passageway and a warm air passageway;
a distribution duct, which is connected with an outlet of the air-conditioning case and includes a defrost vent, a face vent, and a floor vent disposed to distribute cold air and warm air discharged from the air-conditioning case to a specific position of an interior of the vehicle according to air discharge modes;
wherein the floor vent is placed on one side of an area, in which a relatively large amount of warm air flows, in a mixing chamber of the distribution duct where cold air and warm air are mixed;
wherein a dash panel separates an engine room from the interior of the vehicle;
wherein the air-conditioning case is arranged inside the engine room relative to the dash panel, and the distribution duct is arranged in the interior of the vehicle relative to the dash panel;
wherein one through hole is defined in the dash panel, and the air-conditioning case and the distribution duct are combined with each other through the one through hole;
wherein a blower unit for blowing air to the cold air passageway and the warm air passageway is connected to the air-conditioning case;
wherein the blower unit includes a first blower connected to a side of an inlet of the cold air passageway of the air-conditioning case to blow air toward the cold air passageway, and a second blower connected to a side of an inlet of the warm air passageway of the air-conditioning case to blow air toward the warm air passageway;
wherein the first and second blowers are spaced apart and opposed to each other in a width direction, and wherein an inlet of an intake duct is located between the first and second blowers in the width direction and in a length direction being perpendicular to the width direction;
a division wall partitioning the cold air passageway and the warm air passageway such that the cold air passageway and warm air passageway are stacked relative to one another inside the air-conditioning case;
a condenser positioned in the warm air passageway and extending between the division wall and a top wall of the air-conditioning case, and an evaporator positioned in the cold air passageway below the division wall and extending between the division wall and a bottom wall of the air-conditioning case;
the division wall partitioning the warm and cold air passageways at an inlet of the air-conditioning case, the warm and cold air passageways meeting together at the outlet of the air-conditionin

Assignees

• Hanon Systems

Inventors

• Ryu Jae Chun
• Kim Chui Hee
• Park Tae Yong
• Ahn Yong Nam
• Han Young Hum
• Han Joong Man
• Kim Yun Jin

Classifications

• B60H1/00057 Primary

  the air being heated and cooled simultaneously, e.g. using parallel heat exchangers · CPC title

• B60H1/32

  Cooling devices {(B60H1/00478, B60H1/005 take precedence)} · CPC title

• B60H1/00

  Heating, cooling or ventilating devices · CPC title

• B60H1/246

  located in the interior of the vehicle or in or below the floor · CPC title

• B60H1/243

  located in the lateral area (e.g. doors, pillars) · CPC title