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WO2018083940A1 - Conditionneur d'air pour véhicule - Google Patents

Conditionneur d'air pour véhicule Download PDF

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Publication number
WO2018083940A1
WO2018083940A1 PCT/JP2017/036357 JP2017036357W WO2018083940A1 WO 2018083940 A1 WO2018083940 A1 WO 2018083940A1 JP 2017036357 W JP2017036357 W JP 2017036357W WO 2018083940 A1 WO2018083940 A1 WO 2018083940A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
air conditioning
blower
bypass passage
heater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/036357
Other languages
English (en)
Japanese (ja)
Inventor
優輝 津曲
小林　亮
幸野　哲也
辰次 井手
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2017181306A external-priority patent/JP6583378B2/ja
Application filed by Denso Corp filed Critical Denso Corp
Priority to CN201780068269.5A priority Critical patent/CN109906160B/zh
Priority to EP17867798.5A priority patent/EP3536526B1/fr
Publication of WO2018083940A1 publication Critical patent/WO2018083940A1/fr
Priority to US16/401,701 priority patent/US10987991B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00007—Combined heating, ventilating, or cooling devices
    • B60H1/00021—Air flow details of HVAC devices
    • B60H1/00064—Air flow details of HVAC devices for sending air streams of different temperatures into the passenger compartment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00007—Combined heating, ventilating, or cooling devices
    • B60H1/00021—Air flow details of HVAC devices
    • B60H2001/0015—Temperature regulation
    • B60H2001/00164—Temperature regulation with more than one by-pass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00007—Combined heating, ventilating, or cooling devices
    • B60H1/00021—Air flow details of HVAC devices
    • B60H2001/00185—Distribution of conditionned air

Definitions

  • the present invention relates to a vehicle air conditioning unit.
  • the vehicle air conditioning unit includes a casing, a first centrifugal multiblade fan that blows air to an upper air passage formed on the upper side in the casing, and a lower air passage formed on the lower side in the casing. And a second centrifugal multi-blade fan.
  • the vehicle air conditioning unit further includes a cooling heat exchanger disposed so as to straddle the upper air passage and the lower air passage, and a heating heat exchanger disposed on the air flow downstream side of the cooling heat exchanger. And a bypass passage that bypasses the heating heat exchanger is formed on the upper side and the lower side of the heating heat exchanger, respectively.
  • the vehicular air conditioning unit described in Patent Document 1 has substantially the same passage area of the upper and lower bypass passages. It is difficult to increase the air volume difference of the air flowing through the side bypass passage. For this reason, for example, a sufficient flow rate of air cannot be blown from the upper bypass passage through the air outlet toward the passenger's face in the passenger compartment.
  • the first and second centrifugal multiblade fan is arranged so that the rotating shaft thereof is substantially parallel to the air inflow surface of the cooling heat exchanger.
  • a fan having a large radial dimension is used in order to increase the blown air volume.
  • the length of the air conditioning unit in the direction orthogonal to the air inflow surface of the cooling heat exchanger becomes long, and the air conditioning case becomes large.
  • This disclosure aims at reducing the size of the air conditioning case and increasing the amount of air blown out of the air conditioning case through the upper bypass passage.
  • an air conditioning unit for a vehicle is disposed in an air conditioning case and the air conditioning case, and air sucked from an opening provided on one end side of the rotating shaft is moved outward in the radial direction of the rotating shaft.
  • a blower that blows air a cooler that is disposed on the upstream side of the air flow from the blower and cools the air flowing in the air conditioning case, and a heater that is disposed on the downstream side of the air flow from the blower and heats the air cooled by the cooler
  • the air conditioning case includes an upper bypass passage that bypasses the air blown from the blower to the upper side of the heater, a lower bypass passage that bypasses the lower side of the heater, and an air flow downstream from the upper bypass passage.
  • a first opening formed on the side and a second opening formed on the downstream side of the air flow from the lower bypass passage, and the blower is configured such that the opening faces the air outflow surface of the cooler.
  • Placed in Vessel is the passage area of the upper bypass passage is disposed in the air conditioning case to be greater than the passage area of the lower bypass passage.
  • the blower that blows air sucked from the opening provided on one end side of the rotating shaft in the radially outward direction of the rotating shaft, and the blower has the opening and the air outflow surface of the cooler. Since it arrange
  • FIG. 1 It is a schematic diagram which shows the example of mounting to the vehicle the air conditioning unit for vehicles which concerns on 1st Embodiment. It is sectional drawing which shows the main structures of the vehicle air conditioning unit which concerns on 1st Embodiment. It is a figure for demonstrating the air flow of the vehicle air conditioner unit which concerns on 1st Embodiment. It is sectional drawing which shows the main structures of the vehicle air conditioning unit which concerns on 2nd Embodiment. It is sectional drawing which shows the main structures of the vehicle air conditioning unit which concerns on 3rd Embodiment. It is sectional drawing which shows the main structures of the vehicle air conditioning unit which concerns on 4th Embodiment.
  • each arrow which shows the up-down, left-right, and front-back shown in the drawing has shown the up-down direction, the left-right direction, and the front-back direction at the time of mounting a vehicle air conditioning unit in a vehicle.
  • the vehicle air conditioning unit includes an air conditioning case 12 that adjusts the air blown into the passenger compartment to a desired temperature.
  • the air conditioning case 12 is disposed inside an instrument panel 9 provided at the foremost part in the vehicle interior.
  • the air conditioning case 12 is connected to a defroster outlet 91, face outlets 92a to 92d, and foot outlets 93a and 93b through a duct (not shown).
  • the air conditioning case 12 can blow out air adjusted to a desired temperature into the vehicle interior via the defroster outlet 91, the face outlets 92a to 92d, and the foot outlets 93a and 93b.
  • the defroster outlet 91 is an outlet that blows out air whose temperature has been adjusted by the air conditioning case 12 toward a window glass on the front surface of the vehicle (not shown).
  • the defroster outlet 91 is provided in the foremost part of the instrument panel 9.
  • the face outlets 92a to 92d are outlets for blowing out air whose temperature has been adjusted by the air conditioning case 12 toward the face of the occupant seated in the front seats SEr and SE1 in the passenger compartment.
  • the face air outlets 92a to 92d are provided on the rear side of the defroster air outlet 91 in the instrument panel 9.
  • the foot air outlets 93a and 93b are air outlets for blowing out air whose temperature has been adjusted by the air conditioning case 12 toward the lower body side of the occupant seated in the front seats SEr and SEl in the vehicle interior.
  • the foot outlets 93 a and 93 b are opened inside the instrument panel 9.
  • the foot outlets 93a and 93b of the present embodiment include a right foot outlet 93a that mainly blows air to the right space SPr in the vehicle interior and a left foot outlet 93b that mainly blows air to the left space SPl in the passenger compartment. .
  • FIG. 2 is a cross-sectional view showing the main configuration of the vehicle air conditioning unit of the present embodiment.
  • the air conditioning case 12 is a resin member that forms the outer shell of the vehicle air conditioning unit. In FIG. 1, the main part of the entire air conditioning case 12 is illustrated.
  • the air conditioning case 12 includes a partition wall 123 that partitions an outside air introduction port 121 for introducing outside air that is air outside the vehicle compartment and an inside air introduction port 122 that introduces inside air that is air inside the vehicle interior.
  • the air blower 20 introduces outside air that is air outside the passenger compartment or inside air that is air inside the passenger compartment into the air conditioning case 12.
  • the outside air or the inside air introduced into the air conditioning case 12 flows into the evaporator 16.
  • the evaporator 16 is a cooling heat exchanger or a cooler that cools the air flowing in the air conditioning case 12.
  • the evaporator 16 is accommodated in the air conditioning case 12 and is arranged so that outside air or inside air introduced into the air conditioning case 12 flows in.
  • the evaporator 16 constitutes a known refrigeration cycle apparatus that circulates refrigerant together with a compressor, a condenser, and an expansion valve (not shown). The evaporator 16 cools the air passing through the evaporator 16 by evaporation of the refrigerant.
  • the blower 20 is a centrifugal blower that sucks the air introduced into the inside air introduction port 122 or the outside air introduction port 121 from the opening 201 provided on one end side of the rotation shaft CL1 and blows it in the radially outward direction of the rotation shaft CL1. .
  • the blower 20 has a so-called suction layout arranged on the downstream side of the air flow with respect to the evaporator 16. The blower 20 sucks from the opening 201 as indicated by an arrow FL1 in FIG. 3 and blows air outward in the radial direction of the rotary shaft CL1 as indicated by arrows FL2 and FL3.
  • the blower 20 is arranged so that the opening 201 faces the air outflow surface 16b of the evaporator 16.
  • the blower 20 is arranged so that the rotation axis CL1 thereof is substantially orthogonal to the air outflow surface 16b of the evaporator 16.
  • the heater core 18 is disposed downstream of the evaporator 16 in the air flow in the air conditioning case 12.
  • the heater core 18 is disposed in the center of the air conditioning case 12 in the vertical direction. When projected from the air outflow surface 16 b side of the evaporator 16 toward the heater core 18, the heater core 18 is hidden by the blower 20 in the vertical direction.
  • the heater core 18 is a heater for heating the air that has flowed out of the evaporator 16 with engine cooling water that is hot water.
  • An upper bypass passage 125 a is formed on the upper side of the heater core 18, and a lower bypass passage 125 b is formed on the lower side of the heater core 18.
  • the air conditioning case 12 has an upper bypass passage 125 a that bypasses the air that has flowed out of the evaporator 16 to the upper side of the heater core 18, and a lower bypass passage 125 b that bypasses the lower side of the heater core 18.
  • a first air mix door 24a and a second air mix door 24b are provided between the heater core 18 and the evaporator 16.
  • the first air mix door 24a is disposed in the upper bypass passage 125a.
  • the first air mix door 24a is a sliding door mechanism and is slid by an electric actuator (not shown).
  • the first air mix door 24 adjusts the air volume ratio between the air volume passing through the heater core 18 and the air volume passing through the upper bypass passage 125a that bypasses the heater core 18 in the air conditioning case 12 according to the slide position. To do.
  • the second air mix door 24b is disposed in the lower bypass passage 125b.
  • the second air mix door 24b is a sliding door mechanism and is slid by an electric actuator (not shown).
  • the second air mix door 24b has an air volume ratio between the air volume passing through the heater core 18 and the air volume passing through the lower bypass passage 125b that bypasses the heater core 18 in the air conditioning case 12 in accordance with the slide position. Adjust.
  • the warm air passing through the heater core 18 and the cool air passing through the upper bypass passage 125a are mixed.
  • the mixed air is mainly introduced into the vehicle interior from the face opening 126 through the face outlets 92a to 92d.
  • the defroster switching door 22 opens the defroster opening 127, the defroster switching door 22 is mainly introduced into the vehicle interior from the defroster opening 127 via the defroster outlet 91. Therefore, the temperature of the air flowing downstream of the heater core 18 is adjusted according to the slide position of the first air mix door 24a and blown out into the passenger compartment.
  • the second air mix door 24b is disposed in the lower bypass passage 125b.
  • the second air mix door 24b is a sliding door mechanism similar to the first air mix door 24a, and is slid by an electric actuator (not shown).
  • the second air mix door 24b has an air volume ratio between the air volume passing through the heater core 18 and the air volume passing through the lower bypass passage 125b that bypasses the lower side of the heater core 18 in the air conditioning case 12 according to the slide position. Adjust.
  • the warm air passing through the heater core 18 and the cool air passing through the lower bypass passage 125b are mixed.
  • the mixed air is mainly introduced into the vehicle interior from the foot opening 128 through the foot outlet 93a. Therefore, the temperature of the air flowing downstream of the heater core 18 is adjusted according to the slide position of the second air mix door 24b and blown out into the vehicle compartment.
  • the air cooled by the evaporator 16 is sucked into the opening 201 of the blower 20 and is blown in the radially outward direction of the rotation shaft CL1 of the blower 20.
  • the air blown from the blower 20 is mixed with the air passing through the heater core 18, the upper bypass passage 125 a and the lower bypass passage 125 b on the downstream side of the air flow of the heater core 18.
  • the air volume ratio between the air volume passing through the heater core 18 and the air volume passing through the upper bypass passage 125a that bypasses the heater core 18 in the air conditioning case 12 is adjusted according to the slide position of the first air mix door 24.
  • the air whose air volume ratio is adjusted is blown mainly into the vehicle interior from the face opening 126 via the face outlets 92a to 92d, and introduced into the vehicle interior from the defroster opening 127 via the defroster outlet 91.
  • the air volume ratio between the air volume passing through the heater core 18 and the air volume passing through the lower bypass passage 125b detouring to the lower side of the heater core 18 in the air conditioning case 12 is Adjusted. Then, the air whose air volume ratio is adjusted is mainly introduced into the vehicle interior from the foot opening 128 via the foot outlets 93a and 93b.
  • the heater core 18 is arranged in the air conditioning case 12 so that the passage area of the upper bypass passage 125a is larger than the passage area of the lower bypass passage 125b. For this reason, compared with the case where the passage area of the upper side bypass passage 125a and the passage area of the lower side bypass passage 125b are equal, the air volume which blows off from an air-conditioning case through the upper side bypass passage 125a increases. Therefore, air with a sufficient flow rate can be blown toward the face of the passenger in the vehicle interior.
  • a part of the air passing through the lower bypass passage 125b is blown out from the face opening 126 into the vehicle interior via the face outlets 92a to 92d, and from the defroster opening 127 through the defroster outlet 91. It is blown into the room.
  • the vehicle air-conditioning unit is disposed in the air-conditioning case 12 and the air-conditioning case 12, and the air sucked from the opening 201 provided on one end side of the rotation shaft CL1 is radially outward of the rotation shaft CL1.
  • a blower 20 for blowing air is provided.
  • the air conditioning case 12 includes an upper bypass passage 125a that bypasses the air blown from the blower 20 to the upper side of the heater core 18, and a lower bypass passage 125b that bypasses the lower side of the heater core 18. Furthermore, the air conditioning case 12 has a first opening 126 formed on the downstream side of the air flow from the upper bypass passage 125a and a second opening 128 formed on the downstream side of the air flow from the lower bypass passage 125b. is doing.
  • the blower 20 is arranged so that the opening 201 faces the air outflow surface 16b of the evaporator 16, and the heater core 18 has a passage area of the upper bypass passage 125a larger than a passage area of the lower bypass passage 125b. It is arranged in the air conditioning case.
  • the blower 20 that blows the air sucked from the opening 201 provided on the one end side of the rotating shaft CL1 in the radially outward direction of the rotating shaft CL1 is provided, and the blower 20 has the opening 201 of the evaporator 16. It arrange
  • the passage area of the upper bypass passage 125a is arranged in the air conditioning case 12 so as to be larger than the passage area of the lower bypass passage 125b, the air blown out of the air conditioning case 12 through the upper bypass passage 125a.
  • the air volume can be increased.
  • the evaporator 16 will become ventilation resistance.
  • the blower 20 is disposed on the downstream side of the air flow of the evaporator 16, the air blown from the blower 20 is directly introduced into the face opening 126 through the upper bypass passage 125a. Can do. Therefore, the air volume of the air blown out from the air conditioning case 12 through the upper bypass passage 125a can be further increased.
  • the heater core 18 is arranged such that the center of the air inflow surface 18a into which air flows is located below the center of the air outflow surface 16b of the evaporator 16.
  • the passage area of the upper bypass passage 125a is the passage area of the lower bypass passage 125b. Can be made larger.
  • the heater core 18 is arranged such that the center of the air inflow surface 18b of the heater core 18 is below the rotation axis CL1 of the blower 20.
  • the passage area of the upper bypass passage 125a is larger than the passage area of the lower bypass passage 125b. It can also be done.
  • the face opening 126 communicating with the face outlets 92a to 92d for blowing air toward the passenger's face in the passenger compartment can be used as the first opening.
  • the foot opening 128 communicating with the foot outlets 93a to 93b for blowing air toward the feet of the passengers in the passenger compartment can be used as the second outlet.
  • the blower 20 of the present embodiment blows out the air sucked from the opening 201 provided on one end side of the rotation shaft CL1 toward the radially outward direction of the rotation shaft CL1. Further, when the opening 201 of the blower 20 is disposed so as to face the air outflow surface 16b of the cooler as in the present embodiment, the air blown out from the blower 20 as shown in FIG. It hits the inner wall of the air conditioning case 12. And the direction is changed to the axial direction side of rotating shaft CL1 of the air blower 20, and it blows off into the vehicle interior from the 1st, 2nd opening parts 126 and 128 after that.
  • the flow rate ratio of the air flowing in the air conditioning case 12 in the AA cross section in FIG. 3 is the upper side of the air flow of the blower 20, that is, the position of the upper bypass passage 125 a and the downstream side of the air flow of the blower 20.
  • the lower side that is, the position of the lower bypass passage 125b increases.
  • the center part of the air flow downstream side of the air blower 20 decreases.
  • the heater core 18 of the present embodiment is disposed at the center in the vertical direction of the air conditioning case 12 with a relatively small flow rate of the air flowing in the air conditioning case 12, the pressure loss of the flow path can be reduced. Therefore, for example, it is possible to blow a large amount of air into the passenger compartment during maximum cooling that requires the largest amount of air.
  • the heater core 18 when projected from the air outflow surface 16 b side of the evaporator 16 toward the heater core 18, the heater core 18 is hidden by the blower 20 in the vertical direction. Therefore, the pressure loss of the flow path can be reduced as compared with the case where the heater core 18 has a size that is not hidden by the blower 20.
  • the heater core 18 is positioned such that the center of the air inflow surface 18a of the heater core 18 is below the center of the air outflow surface 16b of the evaporator 16 and the rotational axis CL1 of the blower 20. Has been placed.
  • the heater core 18 is such that the center of the air inflow surface 18a of the heater core 18 and the rotation axis CL1 of the blower 20 are below the center of the air outflow surface 16b of the evaporator 16. Is arranged.
  • the passage area of the upper bypass passage 125a can be made larger than the passage area of the lower bypass passage 125b.
  • the vehicle air conditioning unit according to the third embodiment will be described with reference to FIG.
  • the vehicle air conditioning unit of the first embodiment constitutes first and second air mix doors 24a and 24b with a sliding door mechanism.
  • the air conditioning unit for vehicles of this embodiment comprises the 1st, 2nd air mix door 24a, 24b with the rotation door.
  • the 1st, 2nd air mix doors 24a and 24b can also be comprised with a revolving door.
  • the vehicle air conditioning unit according to the fourth embodiment will be described with reference to FIG.
  • the vehicle air conditioning unit of the present embodiment is further different from the vehicle air conditioning unit of the first embodiment in that a partition member 13 is further provided.
  • the partition member 13 is disposed on the downstream side of the air flow from the blower 20 and on the upstream side of the air flow from the heater core 18.
  • the partition member 13 partitions the upper bypass passage 125a and the lower bypass passage 125b, and supports the blower 20 from the air flow downstream side of the blower 20.
  • the partition member 13 is configured by a plate-like member.
  • the heater core 18 is disposed within a predetermined range Ar between the upper end portion and the lower end portion of the partition member 13.
  • the vehicle air conditioning unit of the present embodiment includes the partition member 13 that partitions the upper bypass passage 125a and the lower bypass passage 125b.
  • the heater core 18 is disposed so as to be within a predetermined range Ar between the upper end portion and the lower end portion of the partition member 13.
  • the heater core 18 is arranged so as to be within a predetermined range Ar between the upper end portion and the lower end portion of the partition member 13 with a relatively small flow rate of the air flowing in the air conditioning case 12, The pressure loss can be reduced.
  • the blower 20 is arranged so that the rotation axis CL of the blower 20 is substantially orthogonal to the air outflow surface 16b of the evaporator 16, but the rotation axis CL of the blower 20 is the evaporator 16.
  • the blower 20 may be disposed obliquely so as to intersect the air outflow surface 16b.
  • a centrifugal blower that blows air sucked from one axial end side of the rotating shaft CL1 outward in the radial direction of the rotating shaft CL1 is employed.
  • a mixed flow blower that blows air sucked from one axial end of the rotating shaft CL1 in an oblique direction with respect to the rotating shaft CL1 can be employed.
  • a blower 20 is provided for blowing the sucked air outward in the radial direction of the rotation shaft CL1.
  • the air conditioning case 12 includes an upper bypass passage 125a that bypasses the air blown from the blower 20 to the upper side of the heater core 18, and a lower bypass passage 125b that bypasses the lower side of the heater core 18. Furthermore, the air conditioning case 12 has a first opening 126 formed on the downstream side of the air flow from the upper bypass passage 125a and a second opening 128 formed on the downstream side of the air flow from the lower bypass passage 125b. is doing.
  • the blower 20 is arranged so that the opening 201 faces the air outflow surface 16b of the evaporator 16, and the heater core 18 has a passage area of the upper bypass passage 125a larger than a passage area of the lower bypass passage 125b. It is arranged in the air conditioning case.
  • the heater core 18 is arranged such that the center of the air inflow surface 18a into which air flows is located below the center of the air outflow surface 16b of the evaporator 16.
  • the passage area of the upper bypass passage 125a is the passage area of the lower bypass passage 125b. Can be made larger.
  • the heater core 18 is arranged such that the center of the air inflow surface 18b of the heater core 18 is below the rotation axis CL1 of the blower 20.
  • the passage area of the upper bypass passage 125a is larger than the passage area of the lower bypass passage 125b. It can also be done.
  • the blower 20 is a centrifugal blower or a mixed flow blower.
  • the partition member which is arrange
  • the heater is disposed so as to be within a predetermined range between the upper end and the lower end of the partition member having a relatively small flow rate of the air flowing through the air conditioning case, The pressure loss can be reduced.
  • the heater when projected from the air outflow surface side of the cooler toward the heater, the heater is sized to be hidden by the blower in the vertical direction. Therefore, the pressure loss of the flow path can be reduced as compared with the case where the heater is of a size that is not hidden by the blower.
  • the first opening is the face opening 126 communicating with the face outlets 92a to 92d for blowing air toward the face of the passenger in the vehicle interior.
  • the first opening can be the face opening 126.
  • the second opening is the foot opening 128 communicating with the foot outlets 93a to 93b for blowing air toward the feet of the passengers in the passenger compartment.
  • the second outlet can be the foot opening 128.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

L'objectif de la présente invention est de fabriquer un boîtier de conditionneur d'air plus compact et d'augmenter la quantité d'air qui s'écoule à travers un passage de dérivation supérieur et est évacuée à partir du boîtier de conditionneur d'air. Ce conditionneur d'air destiné à un véhicule est pourvu : d'un boîtier de conditionneur d'air (12); d'une soufflante (20) disposée à l'intérieur du boîtier de conditionneur d'air et délivrant, dans la direction radiale d'un arbre rotatif, l'air aspiré dans le conditionneur à partir d'une ouverture (201); un refroidisseur (16) disposé en amont de la soufflante et refroidissant l'air s'écoulant à travers le boîtier de conditionneur d'air; ainsi qu'un dispositif de chauffage (18) disposé en aval de la soufflante et chauffant l'air ayant été refroidi par le refroidisseur. Le boîtier de conditionneur d'air comprend : un passage de dérivation supérieur (125a) destiné à dévier l'air, de la soufflante vers le côté supérieur du dispositif de chauffage; un passage de dérivation inférieur (125b) destiné à dévier l'air vers le côté inférieur du dispositif de chauffage; une première ouverture (126) formée en aval du passage de dérivation supérieur; ainsi qu'une seconde ouverture (128) formée en aval du passage de dérivation inférieur. La soufflante est disposée de telle sorte que l'ouverture fait face à une surface de sortie d'air (16b) du refroidisseur. Le dispositif de chauffage est agencé à l'intérieur du boîtier de conditionneur d'air, de sorte que la zone de passage du passage de dérivation supérieur est plus grande que la zone de passage du passage de dérivation inférieur.
PCT/JP2017/036357 2016-11-07 2017-10-05 Conditionneur d'air pour véhicule Ceased WO2018083940A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201780068269.5A CN109906160B (zh) 2016-11-07 2017-10-05 车辆用空调单元
EP17867798.5A EP3536526B1 (fr) 2016-11-07 2017-10-05 Conditionneur d'air pour véhicule
US16/401,701 US10987991B2 (en) 2016-11-07 2019-05-02 Air conditioning unit for vehicle

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2016217470 2016-11-07
JP2016-217470 2016-11-07
JP2017181306A JP6583378B2 (ja) 2016-11-07 2017-09-21 車両用空調ユニット
JP2017-181306 2017-09-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/401,701 Continuation US10987991B2 (en) 2016-11-07 2019-05-02 Air conditioning unit for vehicle

Publications (1)

Publication Number Publication Date
WO2018083940A1 true WO2018083940A1 (fr) 2018-05-11

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ID=62076099

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/036357 Ceased WO2018083940A1 (fr) 2016-11-07 2017-10-05 Conditionneur d'air pour véhicule

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CN (1) CN109906160B (fr)
WO (1) WO2018083940A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112118977A (zh) * 2018-05-17 2020-12-22 株式会社电装 车辆用空调单元
US11407271B2 (en) 2017-07-25 2022-08-09 Denso Corporation Air-conditioning unit for vehicle
US11718149B2 (en) 2017-10-05 2023-08-08 Denso Corporation Vehicular air conditioning unit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112918218B (zh) * 2021-04-13 2025-07-01 浙江银轮机械股份有限公司 空调装置及汽车

Citations (6)

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Publication number Priority date Publication date Assignee Title
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