WO2024105233A1

WO2024105233A1 - Vehicle air conditioner

Info

Publication number: WO2024105233A1
Application number: PCT/EP2023/082200
Authority: WO
Inventors: Daisuke Araki
Original assignee: Valeo Systemes Thermiques
Priority date: 2022-11-18
Filing date: 2023-11-17
Publication date: 2024-05-23
Also published as: JP2024073688A

Abstract

A vehicle air conditioner is provided that provides sufficient leg room available to passengers sitting in front seats. The vehicle air conditioner includes a housing (50) in which a cooling heat exchanger (32) and a heating heat exchanger (33) are accommodated. The heating heat exchanger (33) includes an electric heater (33b) whose temperature rises when energized. A rear seat-side blower member 41 is provided between the cooling heat exchanger (32) and the heating heat exchanger (33). The housing (50) has, on a lower surface thereof, a rear opening (55) through which blowing air inside the rear seat-side blower member (41) is delivered to a rear seat (13). The housing (50) has, on a rear surface thereof, an electric heater insertion opening (56) into which the electric heater (33b) can be inserted.

Description

[DESCRIPTION]

[Title of Invention]

VEHICLE AIR CONDITIONER

[Technical Field]

[0001]

The present invention relates to a vehicle air conditioner capable of blowing air to a rear seat. [Background Art] [0002]

Vehicle air conditioners are mounted on many vehicles to control the temperature in a vehicle interior. Some of the vehicle air conditioners are capable of blowing air to a rear seat. Previously existing technologies related to such a vehicle air conditioner include a technology disclosed in PTL 1.

[0003]

The vehicle air conditioner disclosed in PTL 1 includes, in a housing, a cooling heat exchanger capable of cooling blowing air, and a heating heat exchanger capable of heating air that has passed through the cooling heat exchanger. A duct is provided rearwardly of the heating heat exchanger and extends toward a rear seat to blow air toward passengers sitting in the rear seat.

[Citation List]

[Patent Literature] [0004]

[PTL 1] JP2010-36738A

[Summary of Invention]

[Technical Problem]

[0005]

The vehicle air conditioner is usually installed in front of front seats. In a case where the duct for blowing air toward the rear seat substantially protrudes toward the rear of the vehicle air conditioner, there is no enough leg room available to passengers sitting in the front seats. [0006]

An object of the present invention is to provide a vehicle air conditioner that provides sufficient leg room available to passengers sitting in front seats. [Solution to Problem] [0007]

In the following description, reference numerals in the accompanying drawings are appended in parentheses to facilitate understanding of the present invention, but the present invention is not limited to illustrated embodiments [0008]

According to the present disclosure, a vehicle air conditioner is provided. The vehicle air conditioner that can blow air toward a front seat (12) in which a passenger of a vehicle can sit and a rear seat (13) located behind the front seat (12) includes: a housing (50) ; a cooling heat exchanger (32) that can cool blowing air; and a heating heat exchanger (33) that can heat air that has passed through the cooling heat exchanger (32) , in which the cooling heat exchanger (32) and the heating heat exchanger (33) are provided in an internal space (IS) of the housing ( 50 ) , the heating heat exchanger (33) is provided rearwardly of the cooling heat exchanger (32) with reference to a travel direction of the vehicle, a cold air flow path (CP) through which blowing air that has passed only through the cooling heat exchanger (32) flows, a hot air flow path (HP) through which blowing air that has passed through the heating heat exchanger (33) flows, and a mixing flow path (MP) in which blowing air that has passed through the cold air flow path (CP) and blowing air that has passed through the hot air flow path (HP) are mixed together are formed in the internal space (IS) , the heating heat exchanger (33) includes an electric heater (33b) whose temperature rises when energized, with reference to a direction in which blowing air flows, a rear seat-side blower member (41) is provided downstream of the heating heat exchanger (33) , the rear seat-side blower member (41) is configured to guide the blowing air that has passed through the heating heat exchanger (33) to the rear seat (13) , the rear seat-side blower member (41) is disposed between the cooling heat exchanger (32) and the heating heat exchanger (33) , the housing (50) has, on a lower surface of the housing (50) , a rear opening (55) through which blowing air inside the rear seat-side blower member (41) is delivered to the rear seat (13) , and the housing (50) has, on a rear surface of the housing (50) , an electric heater insertion opening (56) into which the electric heater (33b) can be inserted. [Advantageous Effects of Invention] [0009]

According to the present invention, it is possible to provide a vehicle air conditioner that provides sufficient leg room available to passengers sitting in front seats.

The invention can also comprise one or several features below :

- The vehicle air conditioner can also comprise a front seat-side temperature control device comprising an actuator for front seat-side temperature control, a driving force transmission shaft that includes a pinion gear and is connected to the actuator for front seat-side temperature control, a door body that is fitted to the pinion gear, wherein the actuator for front seat-side temperature control is attached to the side surface of the housing .

- The heating heat exchanger includes a hot water heater in which hot water, the hot water heater having a hot water supply pipe and a hot water discharge pipe, a part of these pipes are disposed along a side surface of the housing.

- The electric heater comprises a heat exchange part, and an amplifier, wherein the amplifier is larger than the heat exchange part, and is provided outside the housing.

[Brief Description of Drawings] [0010] [Fig. 1]

Fig. 1 is a schematic diagram illustrating a vehicle on which a vehicle air conditioner according to an example is mounted. [Fig. 2]

Fig. 2 is a perspective view of the vehicle air conditioner illustrated in Fig. 1.

[Fig. 3]

Fig. 3 is a cross-sectional view taken along the line 3-3 of Fig. 2.

[Description of Embodiments] [0011]

Embodiments of the present invention will be described below based on the accompanying drawings. In the description, "front" and "rear" refer to front and rear with reference to a travel direction of a vehicle on which a vehicle air conditioner is mounted, and "left" and "right" refer to left and right with reference to a passenger in the vehicle. In the drawings, "Er" and "Rr" indicate the front and the rear with reference to the travel direction of the vehicle, respectively, "Le" and "Ri" indicate the left and the right seen from a passenger, respectively, and "Up" and "Dn" indicate the up and the down, respectively. [0012] [Examples ]

Reference is made to Fig. 1. Fig. 1 illustrates a vehicle 10 on which a vehicle air conditioner 20 (hereinafter, referred to as an "air conditioner 20") is mounted. The vehicle 10 is, for example, a passenger vehicle. The vehicle 10 includes left and right front seats

12, 12 that are provided in a front part of a vehicle interior VI, and a rear seat 13 that is provided behind the front seats 12, 12 to extend to both ends in the vehicle width direction.

[0013]

The air conditioner 20 is installed in front of the front seats 12, 12 and is used to blow air whose temperature has been controlled to a predetermined temperature toward passengers sitting in the front seats 12, 12 and the rear seat 13. On a right end and a left end in the vehicle width direction in front of the front seat 12, 12, side vent switching portions 14, 14 with which to change whether to blow out air are formed. In the vicinity of the center in the vehicle width direction in front of the front seats 12, 12, center vent switching portions 15, 15 with which to change whether to blow out air are formed.

[0014]

A rear duct 16 extending toward the rear seat 13 is connected to the air conditioner 20, and air can be sent to the rear seat 13 through the rear duct 16. At a rear end or a downstream end of the rear duct 16, a rear seatside air blow switching portion 17 with which to change whether to blow out air toward the rear seat 13 is provided. [0015]

The rear duct 16 may be disposed, for example, to extend rearward along a lower surface of a center console and also extend upward along a rear surface of the center console. Alternatively, the rear duct 16 may extend under the floor of the vehicle interior and raised along a B- pillar. Yet alternatively, the rear duct 16 may branch off at some midpoint so that air can be delivered to the upper body and the lower body of a passenger in the rear seat.

[0016]

Each of the switching portions 14, 15, and 17 includes a louver. The passenger swings operation parts 14a, 15a, and 17a, so that the flow rate of air can be switched from a fully open state to a fully closed state. [0017]

Reference is made to Fig. 2. The air conditioner 20 includes a blower unit 21 that can take in air from the vehicle interior and/or outside the vehicle to blow air, and a temperature control unit 30 that can control the temperature of blowing air delivered from the blower unit 21 to a predetermined temperature. Air delivered from the blower unit 21 toward the left flows in the temperature control unit 30 rearwardly.

[0018]

The blower unit 21 may have a well-known configuration, and contains a blower fan therein, for example .

[0019] The air conditioner 20 may have a configuration in which the blower unit 21 is located on the left side of the temperature control unit 30. The configuration of the air conditioner 20 is appropriately selectable according to which side (left or right side) a steering wheel is located on and so on.

[0020]

Reference is made to Fig. 3. The temperature control unit 30 includes a housing 50 to which blowing air is delivered from the blower unit 21 (see Fig. 2) , a cooling heat exchanger 32 that is provided in an internal space IS of the housing 50 and can cool the blowing air, a heating heat exchanger 33 that can heat air that has passed through the cooling heat exchanger 32, a front seat-side temperature control device 34 that is disposed downstream of the heating heat exchanger 33 to control the flow rate of blowing air passing through the heating heat exchanger 33, a defroster open/close door 36, a vent open/close door 37, and a foot open/close door 38 that are disposed downstream of the front seat-side temperature control device 34 to switch open/close of openings 51 to 54, a rear seat-side blower member 41 that extends downward in front of the heating heat exchanger 33 to guide the air that has passed through the heating heat exchanger 33 to the rear seat 13 (see Fig. 1) , a cold air introduction portion 42 that extends along a rear part of the rear seat-side blower member 41 and can introduce cold air, and a mixing portion 60 that is provided in a lower part of the housing 50 to mix blowing air that has passed through the rear seat-side blower member 41 with blowing air that has passed through the cold air introduction portion 42.

[0021]

The housing 50 includes a plurality of parts, for example. More specifically, the housing 50 includes three parts, that is, parts constituting the left and right sides of the upper part, and a part constituting the lower part. Each of the parts may be an injection-molded part. The housing 50 may include two parts or include four or more parts .

[0022]

Reference is also made to Fig. 1. The housing 50 has a defroster opening 51 through which blowing air to be delivered to a windshield passes, vent openings 52, 53 through which blowing air to be delivered to the upper bodies of the passengers in the front seats 12, 12 passes, a foot opening 54 through which blowing air to be delivered to the feet of the passengers in the front seats 12, 12 passes, and a rear opening 55 through which blowing air to be delivered to the passengers in the rear seat 13 passes.

[0023] The housing 50 also has an electric heater insertion opening 56 in addition to the openings 51 to 54 through which blowing air passes. The electric heater insertion opening 56 will be detailed later.

[0024]

The internal space IS has a cold air flow path CP through which blowing air that has passed only through the cooling heat exchanger 32 flows, a hot air flow path HP through which blowing air that has passed through the heating heat exchanger 33 flows, and a mixing flow path MP in which the blowing air that has flown in the cold air flow path CP is mixed with the blowing air that has flown in the hot air flow path HP.

[0025]

The vent openings 52, 53 include side vent openings

52 through which blowing air to be blown out of the side vent switching portions 14 passes and center vent openings

53 through which blowing air blown out of the center vent switching portions 15 passes.

[0026]

It is not always necessary to form each of the vent openings 52, 53 at two locations, i.e., in the vicinity of the center in the vehicle width direction and outside thereof .

[0027] Reference is made to Fig. 3. The cooling heat exchanger 32 is provided at a front part of the housing 50 to allow blowing air to pass in substantially a front and rear direction. The blowing air is cooled by heat exchange with a heat transfer medium passing through the inside of the cooling heat exchanger 32. Examples of the heat transfer medium include a fluorocarbon refrigerant and carbon dioxide.

[0028]

The heating heat exchanger 33 is provided rearwardly of the cooling heat exchanger 32 to allow blowing air to pass in the substantially up and down direction. The heating heat exchanger 33 includes, for example, a hot water heater 33a in which hot water that has passed through an engine and been heated flows, and an electric heater 33b that is heated by energization. [0029]

The hot water heater 33a is inserted into the housing 50 from a hot water heater insertion opening (not illustrated) formed on a side surface of the housing 50. A hot water supply pipe that is provided outside the housing 50 is used to supply hot water to the hot water heater 33a. Further, hot water that has flown inside the hot water heater 33a is discharged to the outside of the housing 50, and then, is returned through a hot water discharge pipe to the engine. A part of the hot water supply pipe and the hot water discharge pipe may be disposed along a side surface of the housing 50.

[0030]

The electric heater 33b is inserted into the housing 50 from the electric heater insertion opening 56 formed on a rear surface of the housing 50. It can be said that the electric heater insertion opening 56 is an opening that is formed on the housing 50 to allow the electric heater 33b to be inserted into the housing 50. It is only required that the electric heater insertion opening 56 is formed to allow for insertion of at least a heat exchange part of the electric heater 33b, and it is not necessary that the entire electric heater 33b can be inserted. An amplifier and so on of the electric heater 33b may be provided outside the housing 50.

[0031]

It is noted that Fig. 3 illustrates a configuration in which the amplifier of the electric heater 33b is provided outside the housing 50. The amplifier is preferably provided outside the housing 50 because the amplifier is usually larger than the heat exchange part of the electric heater 33b and does not directly contribute to blowing air heating.

[0032] In the state illustrated in the drawing, some of blowing air that has passed through the cooling heat exchanger 32 passes the left and right sides of the rear seat-side blower member 41, is directed to a part below the heating heat exchanger 33, and flows upward. At this time, the blowing air is heated by the heating heat exchanger 33. [0033]

It is not always necessary that the heating heat exchanger 33 includes both of the hot water heater 33a and the electric heater 33b. The heating heat exchanger 33 may include the electric heater 33b only. Alternatively, instead of the hot water heater 33a, a heater using a heat transfer medium other than hot water may be employed. Examples of the heat transfer medium include a fluorocarbon refrigerant and carbon dioxide.

[0034]

The front seat-side temperature control device 34 includes an actuator for front seat-side temperature control (not illustrated) that is energized to generate a rotary driving force, a driving force transmission shaft that includes a pinion gear 34a and is connected to the actuator for front seat-side temperature control to rotate, and a door body 34b that is fitted to the pinion gear 34a to slide in substantially the front and rear direction in conjunction with the rotation of the driving force transmission shaft. The door body 34b includes a rack to engage with the pinion gear 34a.

[0035]

The door body 34b moves to control the amount of opening of the cold air flow path CP and the amount of opening of the hot air flow path HP. Thereby, the air volume of cold air and the air volume of hot air flowing to the mixing flow path MP are controlled, and a predetermined temperature is achieved when the cold air and the hot air are mixed together in the mixing flow path MP. [0036]

The front seat-side temperature control device 34 may include a swing door that is rotatable around a rotation axis, instead of the sliding door. [0037]

The defroster open/close door 36 includes a swing door. The defroster open/close door 36 swings, so that the amount of opening of the defroster opening 51 can be controlled . [0038]

The vent open/close door 37 includes a swing door. The vent open/close door 37 swings, so that the amount of opening of the vent openings 52, 53 can be controlled. [0039]

The foot open/close door 38 includes a swing door. The foot open/close door 38 swings, so that the amount of opening of the foot opening 54 can be controlled.

[0040]

The rear seat-side blower member 41 is a duct-shaped member that is located forwardly of the heating heat exchanger 33 and extends in the up and down direction. The rear seat-side blower member 41 has a smaller width in the left and right direction than the width of the heating heat exchanger 33 in the left and right direction. Thereby, blowing air that has passed through the cooling heat exchanger 32 can pass the left and right sides of the rear seat-side blower member 41 to flow toward the heating heat exchanger 33. The upper end of the rear seat-side blower member 41 faces a downstream end of the heating heat exchanger 33, and the lower end of the rear seat-side blower member 41 faces the mixing portion 60.

[0041]

The inside of the rear seat-side blower member 41 serves as a rear seat-side hot air passage RH through which blowing air heated by the heating heat exchanger 33 passes. It can be said that the rear seat-side hot air passage RH is a flow path to guide the blowing air that has passed through the heating heat exchanger 33 to the rear seat 13 (see Fig. 1) . The rear seat-side hot air passage RH is provided between the cooling heat exchanger 32 and the heating heat exchanger 33.

[0042]

As described above, since the rear seat-side hot air passage RH is surrounded by the cold air flow path CP, there is a concern that hot air passing through the rear seatside hot air passage RH is cooled unintentionally. Alternatively, there is another concern that cold air flowing through the cold air flow path CP is heated unintentionally. In light of the above, for example, a heat insulating material such as urethane foam is attached around the rear seat-side blower member 41, or, alternatively, the rear seat-side blower member 41 itself is made of foam resin. This improves the thermal insulation, which can prevent unintended heat exchange. Such thermal insulation countermeasures are not necessarily taken, and countermeasures are appropriately selected in consideration of a blow-out temperature of conditioned air blown out of the air conditioner 20, cost, and so on. In a case where a heat insulating material is attached to the rear seatside blower member 41, the attachment position may be an outer surface of the rear seat-side blower member 41, or an inner surface thereof facing the rear seat-side hot air passage RH .

[0043]

The rear seat-side blower member 41 may be integrally formed with the housing 50, or may be a member different from the housing 50. It is particularly preferable that the entire cold air introduction portion 42 is located forwardly of the heating heat exchanger 33.

[0044]

The cold air introduction portion 42 is a portion that guides cold blowing air flowing in the cold air flow path CP to the mixing portion 60. The cold air introduction portion 42 is provided at rearwardly of the rear seat-side blower member 41 and below the heating heat exchanger 33. [0045]

The cold air introduction portion 42 includes, for example, a duct-shaped member with an upper surface opening, and is integrally formed on the rear surface of the rear seat-side blower member 41. The upper end of the cold air introduction portion 42 serves as a cold air intake opening 42a that is open to allow blowing air from the cold air flow path CP to be taken in. The cold air intake opening 42a is sloped down rearward.

[0046]

The cold air introduction portion 42 may be spaced from the rear seat-side blower member 41, or may be a member different from the rear seat-side blower member 41. Alternatively, the cold air intake opening 42a may implemented by the rear opening 55. [0047]

The mixing portion 60 is a member in which hot blowing air that has passed through the rear seat-side hot air passage RH is mixed with cold blowing air that has been introduced from the cold air introduction portion 42. The mixing portion 60 is a member different from the housing 50 and is attached to the lower part of the housing 50. In other words, it can be said that the mixing portion 60 is provided adjacent to the housing 50 on the outside of the housing 50.

[0048]

Further, a part of the mixing portion 60 is located forwardly of the heating heat exchanger 33, and the remaining part thereof is located below the heating heat exchanger 33. It is preferable that, at least, the mixing portion 60 is provided forwardly of the rear end of the heating heat exchanger 33. It is most preferable that the entire mixing portion 60 is provided forwardly of the heating heat exchanger 33.

[0049]

The mixing portion 60 includes a mixing portion case 61 that is in close contact with the lower surface of the housing 50, and a rear seat-side temperature control device 70 that is provided in the mixing portion case 61 to control the temperature of blowing air. [0050]

The rear seat-side temperature control device 70 includes an actuator for rear seat temperature control 71 that is provided outside the mixing portion case 61 and is energized to generate a rotary driving force, and a rear seat-side temperature control door 72 that is provided inside the mixing portion case 61 and swings to control a mixing ratio of hot air and cold air in response to the operation of the actuator for rear seat temperature control 71. The actuator for rear seat temperature control 71 may be a stepping motor, for example.

[0051]

The rear seat-side temperature control device 70 may have such a configuration that an opening communicating with the cold air flow path CP is formed on the rear seatside blower member 41 and the opening can be opened/closed by a door. In this case, the mixing ratio of cold air can be controlled by controlling the amount of opening of the opening formed on the rear seat-side blower member 41. [0052]

The rear duct 16 is connected to a lower part of the mixing portion 60. The rear duct 16 extends downward from the lower end of the mixing portion 60 and extends rearwardly along a floor surface.

[0053] The present invention will be summarized below.

[0054]

Reference is made to Figs. 1 and 3. First, the air conditioner 20 can blow air toward the front seats 12, 12 in which passengers of the vehicle 10 can sit and the rear seat 13 located behind the front seats 12, 12. In addition, the air conditioner 20 includes, in the internal space IS of the housing 50, the cooling heat exchanger 32 that can cold blowing air and the heating heat exchanger 33 that can heat air that has passed through the cooling heat exchanger 32. With reference to the travel direction of the vehicle 10, the heating heat exchanger 33 is provided rearwardly of the cooling heat exchanger 32. In the internal space IS, the cold air flow path CP through which blowing air that has passed only through the cooling heat exchanger 32 flows, the hot air flow path HP through which blowing air that has passed through the heating heat exchanger 33 flows, and the mixing flow path MP in which the blowing air that has flown in the cold air flow path CP is mixed with the blowing air that has flown in the hot air flow path HP are formed. The heating heat exchanger 33 includes the electric heater 33b whose temperature rises when energized. With reference to the direction in which the blowing air flows, the rear seat-side hot air passage RH is provided downstream of the heating heat exchanger 33, the rear seat-side hot air passage RH guides the blowing air that has passed through the heating heat exchanger 33 to the rear seat 13, and the rear seat-side hot air passage RH is provided between the cooling heat exchanger 32 and the heating heat exchanger 33.

[0055]

Further, the housing 50 has, on the lower surface thereof, the rear opening 55 through which the blowing air inside the rear seat-side blower member 41 is delivered to the rear seat 13. The housing 50 has, on the rear surface thereof, the electric heater insertion opening 56 into which the electric heater 33b can be inserted. [0056]

Reference is made to Fig. 3. The rear seat-side hot air passage RH is provided between the cooling heat exchanger 32 and the heating heat exchanger 33. This enables connection of the rear duct 16 (see Fig. 1) and so on, avoiding a lower rear part of the housing 50. This provides sufficient leg room available to passengers sitting in the front seats 12, 12.

[0057]

Further, in general, many components such as a hot water supply pipe, a hot water discharge pipe, and a temperature control actuator that drives the pinion gear

34a are attached to the side surface of the housing 50, and a mounting portion for a component attached to the inside of the housing 50 is formed on the side surface of the housing 50. In contrast, the electric heater insertion opening 56 into which the electric heater 33b can be inserted is formed on the rear surface of the housing 50. This enables the electric heater 33b to be attached to and detached from the housing 50 without the electric heater 33b interfering with many components disposed on the side surface of the housing 50. Even when a part of the electric heater 33b is provided outside the housing 50, the part is spaced from the lower part of the housing 50 to thereby provide sufficient leg room available to passengers sitting in the front seats.

[0058]

The housing 50 has the rear opening 55 on the lower surface thereof and has, on the rear surface thereof, the electric heater insertion opening 56 into which the electric heater 33b can be inserted. This makes it possible to attach and detach the electric heater 33b to and from the housing 50 without the electric heater 33b interfering with the rear duct 16. [0059]

The present invention is not limited to the examples as long as operations and advantageous effects of the present invention are achieved. [Industrial Applicability]

[0060]

The air conditioner according to the present invention is suitable for an air conditioner mounted on a passenger vehicle.

[Reference Signs List]

[0061]

12 : Front seat

13: Rear seat

20: Vehicle air conditioner

32: Cooling heat exchanger

33: Heating heat exchanger

33b: Electric heater

41: Rear seat-side blower member

50 : Housing

55: Rear opening

56: Electric heater insertion opening

IS: Internal space

CP: Cold air flow path

HP: Hot air flow path

MP: Mixing flow path

Claims

[CLAIMS]

[Claim 1]

A vehicle air conditioner that can blow air toward a front seat (12) in which a passenger of a vehicle can sit and a rear seat (13) located behind the front seat (12) , the vehicle air conditioner comprising: a housing (50) ; a cooling heat exchanger (32) that can cool blowing air; and a heating heat exchanger (33) that can heat air that has passed through the cooling heat exchanger (32) , wherein the cooling heat exchanger (32) and the heating heat exchanger (33) are provided in an internal space (IS) of the housing ( 50 ) , the heating heat exchanger (33) is provided rearwardly of the cooling heat exchanger (32) with reference to a travel direction of the vehicle, a cold air flow path (CP) through which blowing air that has passed only through the cooling heat exchanger (32) flows, a hot air flow path (HP) through which blowing air that has passed through the heating heat exchanger (33) flows, and a mixing flow path (MP) in which blowing air that has passed through the cold air flow path (CP) and blowing air that has passed through the hot air flow path (HP) are mixed together are formed in the internal space (IS) the heating heat exchanger (33) comprises an electric heater (33b) whose temperature rises when energized, with reference to a direction in which blowing air flows, a rear seat-side blower member (41) is provided downstream of the heating heat exchanger (33) , the rear seat-side blower member (41) is configured to guide the blowing air that has passed through the heating heat exchanger (33) to the rear seat (13) , the rear seat-side blower member (41) is disposed between the cooling heat exchanger (32) and the heating heat exchanger (33) , the housing (50) has, on a lower surface of the housing (50) , a rear opening (55) through which blowing air inside the rear seat-side blower member (41) is delivered to the rear seat (13) , and the housing (50) has, on a rear surface of the housing (50) , an electric heater insertion opening (56) into which the electric heater (33b) can be inserted.

[ Claim 2 ]

A vehicle air conditioner according to claim 1, wherein a front seat-side temperature control device 34 comprises an actuator for front seat-side temperature control, a driving force transmission shaft that includes a pinion gear (34a) and is connected to the actuator for front seat-side temperature control, a door body (34b) that is fitted to the pinion gear (34a) , wherein the actuator for front seat-side temperature control is attached to the side surface of the housing (50) .

[ Claim 3 ]

A vehicle air conditioner according to claim 1, wherein the heating heat exchanger (33) includes a hot water heater (33a) in which hot water, wherein the hot water heater (33a) has a hot water supply pipe and a hot water discharge pipe, a part of these pipes are disposed along a side surface of the housing

(50) .

[ Claim 4 ]

A vehicle air conditioner according to any one of claiml to 3, wherein the electric heater (33b) comprises a heat exchange part, and an amplifier, wherein the amplifier is larger than the heat exchange part, and is provided outside the housing (50) .