US20180145239A1 - Ventilation Module for Ventilation Seat - Google Patents

Ventilation Module for Ventilation Seat Download PDF

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Publication number
US20180145239A1
US20180145239A1 US15/607,627 US201715607627A US2018145239A1 US 20180145239 A1 US20180145239 A1 US 20180145239A1 US 201715607627 A US201715607627 A US 201715607627A US 2018145239 A1 US2018145239 A1 US 2018145239A1
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US
United States
Prior art keywords
unit
heat dissipation
cooling
air
thermoelectric
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.)
Abandoned
Application number
US15/607,627
Other languages
English (en)
Inventor
Man Ju Oh
Sang Shin Lee
Jae Woo Park
So Yoon PARK
Jae Woong Kim
So La CHUNG
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.)
Hyundai Motor Co
Kia Corp
Original Assignee
Hyundai Motor Co
Kia Motors 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
Application filed by Hyundai Motor Co, Kia Motors Corp filed Critical Hyundai Motor Co
Assigned to HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION reassignment HYUNDAI MOTOR COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHUNG, SO LA, KIM, JAE WOONG, LEE, SANG SHIN, OH, MAN JU, PARK, JAE WOO, PARK, So Yoon
Publication of US20180145239A1 publication Critical patent/US20180145239A1/en
Priority to US16/385,228 priority Critical patent/US11476400B2/en
Abandoned legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
    • H10N10/13—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the heat-exchanging means at the junction
    • H01L35/30—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5607—Heating or ventilating devices characterised by convection
    • B60N2/5621—Heating or ventilating devices characterised by convection by air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5607—Heating or ventilating devices characterised by convection
    • B60N2/5621—Heating or ventilating devices characterised by convection by air
    • B60N2/5635—Heating or ventilating devices characterised by convection by air coming from the passenger compartment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5607—Heating or ventilating devices characterised by convection
    • B60N2/5621—Heating or ventilating devices characterised by convection by air
    • B60N2/5642—Heating or ventilating devices characterised by convection by air with circulation of air through a layer inside the seat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5607—Heating or ventilating devices characterised by convection
    • B60N2/5621—Heating or ventilating devices characterised by convection by air
    • B60N2/5657—Heating or ventilating devices characterised by convection by air blown towards the seat surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5678—Heating or ventilating devices characterised by electrical systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5678—Heating or ventilating devices characterised by electrical systems
    • B60N2/5685—Resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5678—Heating or ventilating devices characterised by electrical systems
    • B60N2/5692—Refrigerating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F25B2321/025—Removal of heat
    • F25B2321/0251—Removal of heat by a gas
    • H01L35/28—
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects

Definitions

  • the present invention relates generally to a ventilation module for a ventilation seat.
  • a vehicle seat has a seat cushion that plays a role of providing a comfortable seating feeling to a user.
  • various kinds of convenience devices are being provided in parts such as the vehicle seat.
  • a seat heater provided with a heating wire for providing warmth during winter operation is widely employed.
  • Such a seat heater is applied to a large number of vehicles because there is no difficulty in terms of design and installation.
  • a heating wire is used, there is a limit to uniformly distributing warmth to a user.
  • thermoelectric device TED
  • thermoelectric device when the thermoelectric device is used, airflow that will be discarded due to the characteristics of thermoelectric device occurs, and airflow is reduced due to the vehicle seat causing airflow resistance whereby a temperature difference in an outlet structure is increased. Accordingly, the amount of heat dissipation for cooling a user is reduced, thereby resulting in performance degradation. Moreover, since air velocity is lowered and the temperature difference is increased, there is a disadvantage in that a large amount of condensation water is generated, and the amount of loss of air is increased.
  • the present invention relates generally to a ventilation module for a ventilation seat.
  • the module is installed in a vehicle seat and is configured to discharge air to an interior of a vehicle through a blower, thereby being capable of allowing more air to be supplied to a user.
  • the present invention has been made keeping in mind the above problems occurring in the related art, and the present invention is intended to propose a ventilation module for a ventilation seat, the module being capable of increasing the amount of heat dissipation to improve performance of the module, and of efficiently removing condensation water in the module.
  • a ventilation module for a ventilation seat is provided.
  • the ventilation module is provided in a vehicle seat and is configured to discharge air to an interior of a vehicle through a blower.
  • the module includes a thermoelectric air-conditioning part including a thermoelectric unit performing heat absorption and heat generation by using a Peltier effect when electric power is applied.
  • a cooling unit is provided at a first side of the thermoelectric unit, and a heat dissipation unit is provided at a second side of the thermoelectric unit.
  • a cool air duct in which the cooling unit is placed, and through which air that is supplied from the blower, is cooled by the thermoelectric air-conditioning part, and passes through a cooling fin of the cooling unit, is discharged to the interior of the vehicle through a seat cushion.
  • An area in which the heat dissipating fin is installed may be larger than that in which the cooling fin is installed, so that the resistance to airflow in the heat dissipation unit is increased and thus the amount of airflow in the cooling unit is increased.
  • the heat dissipation fin may be provided in a zigzag shape by being bent a predetermined number of times, so that the resistance to airflow in the heat dissipation unit is increased and thus the amount of airflow in the cooling unit is increased.
  • the heat dissipating fin combined with the heat dissipation unit of the thermoelectric air-conditioning part may be provided by being stacked in one or more layers, so that air introduced to the heat dissipation unit passes through one layer and then passes through a remaining layer, whereby the resistance to airflow in the heat dissipation unit is increased and thus the amount of airflow in the cooling unit is increased.
  • the cooling fin of the cooling unit may be provided by being bent a plurality of times in a streamlined-shape such that the cooling unit has a wave-shaped path in which air flows from an inlet to an outlet.
  • a lateral cross-section of the cooling fin may be formed such that a first side thereof is higher than a second side thereof so as to correspond to a shape of the cool air duct.
  • thermoelectric air-conditioning part may be provided with a moisture absorbing material, the moisture absorbing material absorbing condensation water of the cooling unit.
  • the moisture absorbing material may be provided at the cooling unit and the heat dissipation unit and may connect the cooling unit and the heat dissipation unit, such that condensation water of the cooling unit is absorbed and moved to the heat dissipation unit by the moisture absorbing material, thereby increasing a cooling effect for the heat dissipation unit, and the condensation water moved to the heat dissipation unit is evaporated, thereby obtaining a cooling effect of evaporation heat.
  • a cooling efficiency equation is used in which the temperature difference between the cooling unit and the heat dissipation unit is increased by further providing a heat pipe and the moisture absorbing material, the area of the heat dissipation unit is larger than that of the cooling unit, and the resistance to airflow flowing to the heat dissipation unit is increased so that the amount of airflow flowing to the cooling unit is increased more than that flowing to the heat dissipation unit 230 .
  • the amount of heat dissipation is increased, whereby more pleasant cooling air can be provided to a user.
  • FIG. 1 is a view showing a seat mounted with a ventilation module for a ventilation seat according to the present invention
  • FIG. 2 is a view specifically showing the ventilation module
  • FIGS. 3 to 6 are views showing first to fourth embodiments of FIG. 2 ;
  • FIGS. 7 to 11 are views showing embodiments in which a moisture absorbing material is further provided to FIG. 2 .
  • FIG. 1 is a view showing a seat mounted with a ventilation module for a ventilation seat according to the present invention
  • FIG. 2 is a view specifically showing the ventilation module
  • FIGS. 3 to 6 are views showing first to fourth embodiments of FIG. 2
  • FIGS. 7 to 11 are views showing embodiments in which a moisture absorbing material is further provided to FIG. 2 .
  • the ventilation module for the ventilation seat is installed in a vehicle seat 100 and configured to discharge air to an interior of a vehicle through a blower 300 , the module including: a thermoelectric air-conditioning part 200 provided with a thermoelectric unit 250 performing heat absorption and heat generation by using a Peltier effect when electric power is applied, a cooling unit 210 provided at a first side of the thermoelectric unit 250 , and a heat dissipation unit 230 provided at a second side of the thermoelectric unit 250 ; a cool air duct 400 in which the cooling unit 210 is placed, and through which air that is supplied from the blower 300 , is cooled by the thermoelectric air-conditioning part 200 , and passes through a cooling fin 211 of the cooling unit 210 , is discharged to an interior of the vehicle through a seat cushion 110 ; and a heat dissipation path 500 in which the heat dissipation unit 230 is placed, and through which air that is supplied from the blower 300 , is heated by
  • the present invention relates to the vehicle seat 100 and, more particularly, to the ventilation module for the ventilation seat provided under the seat cushion 110 and supplying cool air to a user H, wherein air sucked by the blower 300 is cooled or heated by heat absorbed or generated by the Peltier effect at the thermoelectric unit 250 , whereafter cooling air is supplied to the user H through the cold-air duct 400 and heated air is discharged through the heat dissipation path 500 .
  • the resistance to airflow in the heat dissipation unit 230 is increased more than that in the cooling unit 210 , whereby the amount of airflow flowing to the cooling unit 210 can be increased more than that flowing to the heat dissipation unit 230 .
  • thermoelectric air-conditioning part 200 First, a first embodiment of the thermoelectric air-conditioning part 200 will be described with reference to FIG. 3 .
  • the thermoelectric air-conditioning part 200 includes the cooling unit 210 at the first side thereof and the heat dissipation unit 230 at the second side thereof with the thermoelectric unit 250 interposed therebetween.
  • An area in which the heat dissipating fins 231 of the heat dissipation unit 230 are installed is larger than an area in which the cooling fins 211 of the cooling unit 210 are installed, and the number of the heat dissipating fins 231 is larger than that of the cooling fins 211 , whereby when air introduced from the blower 300 passes through the cooling fins 211 and the heat dissipating fins 231 , the heat dissipating fins 231 act as a resistor and thus the resistance to airflow in the heat dissipation unit 230 is increased.
  • the amount of airflow flowing to the cooling unit 210 is increased more than that flowing to the heat dissipation unit 230 .
  • the cooling effect is increased in such a manner that more cooling air can be provided to the user H.
  • FIG. 4 shows a second embodiment of the thermoelectric air-conditioning part 200 according to the present invention.
  • the heat dissipating fins 231 of the heat dissipation unit 230 are provided in a zigzag shape by being bent a predetermined number of times. Accordingly, even if the cooling unit 210 and the heat dissipation unit 230 have the same area, the resistance to airflow introduced through the blower 300 is increased in the heat dissipation unit 230 by the heat dissipating fins 231 . Thus, the amount of airflow in the cooling unit 210 is increased so that more cooling air can be provided to the user H.
  • FIG. 5 shows a third embodiment of the thermoelectric air conditioning unit 200 of the present invention.
  • the heat dissipating fins 231 combined with the heat dissipation unit 230 of the thermoelectric air-conditioning part 200 are provided to be stacked in one or more layers F. Accordingly, air introduced to the heat dissipation unit 230 passes through one layer F formed by the heat dissipating fins 231 and then passes through a remaining layer F, whereby the resistance to airflow introduced through the blower 300 is increased in the heat dissipation unit 230 in such a manner that the amount of airflow in the cooling unit 210 is increased and thus more cooling air can be provided to the user H.
  • a total length b in which the heat dissipating fins 231 are installed may be set to be 1.5 times longer than a total length a in which the cooling fins 211 are installed.
  • FIG. 6 shows a fourth embodiment of the thermoelectric air-conditioning part 200 of the present invention, and is configured similarly to the first embodiment shown in FIG. 3 .
  • a heat pipe 270 is further provided.
  • the heat pipe 270 functions to assist cooling performance of the cooling unit 210 .
  • the heat pipe 270 is provided at a location between the cooling unit 210 and the heat dissipation unit 230 to enable heat exchange therebetween.
  • the area in which the heat dissipating fins 231 of the heat dissipation unit 230 are installed is larger than the area in which the cooling fins 211 of the cooling unit 210 are installed, the number of the heat dissipating fins 231 is larger than that of the cooling fins 211 , and the heat pipe 270 is installed at a portion where the heat dissipating fins 231 are provided, whereby when air introduced through the blower 300 passes the thermoelectric air-conditioning part 200 , the heat dissipating fins 231 act as a resistor and thus the resistance to airflow in the heat dissipation unit 230 can be increased, the heat pipe 270 increases heat exchange performance between the cooling unit 210 and the heat dissipation unit 230 , and thus a cooling efficiency can be increased.
  • the cooling effect can be increased in such a manner that more cooling air can be provided to the user H.
  • the thermoelectric air-conditioning part 200 is provided with a moisture absorbing material 600 , such that condensation water in the cooling unit 210 is absorbed by the moisture absorbing material 600 . Accordingly, condensation water is prevented from being formed in the cooling fins 211 to prevent deterioration in cooling efficiency. Then, the absorbed condensation water is moved to the heat dissipation unit 230 by the moisture absorbing material, thereby increasing the cooling effect for the heat dissipation unit 230 , and condensation water moved to the heat dissipation unit 230 is evaporated, thereby achieving a cooling effect of evaporation.
  • the moisture absorbing material 600 is provided at the thermoelectric air-conditioning part 200 in FIGS. 7 to 11 , the moisture absorbing material 600 may be provided to the first to fourth embodiments.
  • FIG. 7 shows fifth to sixth embodiments of the thermoelectric air-conditioning part 200 according to the present invention, wherein the moisture absorbing material 600 is further provided to the first or the fourth embodiment shown in FIG. 3 or FIG. 6 .
  • FIG. 7 shows that the heat pipe 270 is installed, however, the heat pipe 270 may be installed or omitted.
  • the area in which the heat dissipating fins 231 of the heat dissipation unit 230 are installed is larger than the area in which the cooling fins 211 of the cooling unit 210 are installed, the number of the heat dissipating fins 231 is larger than the cooling fins 211 , the heat pipe 270 is installed at the portion where the heat dissipating fins 231 are provided, and the moisture absorbing material 600 is provided at the cooling unit 210 and the heat dissipation unit 230 and is configured to connect the cooling unit 210 and the heat dissipation unit 230 .
  • the heat dissipating fins 231 act as a resistor and thus the resistance to airflow in the heat dissipation unit 230 can be increased, heat exchange can be performed by the heat pipe 270 , and condensation water formed in the cooling unit 210 is absorbed and moved to the heat dissipating fins 231 of the heat dissipation unit 230 by the moisture absorbing material 600 .
  • thermoelectric air-conditioning part 200 can be increased and thus more cooling air can be provided to the user H.
  • FIGS. 8 to 10 show a seventh embodiment of the thermoelectric air-conditioning part 200 of the present invention, which is similar to the fourth embodiment of FIG. 6 .
  • the cooling fin 211 of the cooling unit 210 is provided by being bent a plurality of times in a streamlined-shape such that the cooling unit 210 has a wave-shaped path in which air flows from an inlet to an outlet ( FIG. 10 ).
  • a lateral cross-section of the cooling fin 211 is formed such that a first side thereof is higher than a second side thereof so as to correspond to a shape of the cool air duct 400 .
  • the first side may be the inlet 410 side
  • the second side may be the outlet 430 side.
  • the heat dissipating fin 231 of the heat dissipation unit 230 is provided such that a plurality of the heat dissipating fins 231 having a small area is provided at a predetermined interval. Accordingly, when air introduced through the blower 300 passes through the thermoelectric air-conditioning part 200 , in the cooling unit 210 , air is guided in accordance with a shape of the cooling fin 211 to be able to easily flow, and in the heat dissipation unit 230 , the heat dissipating fin 231 acts as the resistor, thereby increasing the resistance to airflow in the heat dissipation unit 230 and thus the amount of air flowing to the cooling unit 210 is increased more than that flowing to the heat dissipation unit 230 .
  • the heat pipe 270 is provided between the cooling unit 210 and the heat dissipation unit 230 , and both the area and the resistance to airflow of the heat dissipation unit 230 is increased, whereby the cooling effect for the thermoelectric air-conditioning part 200 can be increased and thus more cooling air can be provided to the user H.
  • FIG. 11 shows an eighth embodiment of the thermoelectric air-conditioning part 200 according to the present invention, in which the moisture absorbing material 600 is further provided to the third embodiment including the heat dissipation unit 230 comprised of a plurality of layers F shown in FIG. 5 . Accordingly, as in the third embodiment, the heat dissipating fins 231 combined with the heat dissipation unit 230 of the thermoelectric air-conditioning part 200 are provided to be stacked in one or more layers F, and the moisture absorbing material 600 is configured to connect the cooling unit 210 and the heat dissipation unit 230 .
  • air introduced to the heat dissipation unit 230 passes through the one layer F formed by stacking the heat dissipating fins 231 and then passes through the remaining layer F, whereby the resistance to airflow introduced through the blower 300 is increased and thus airflow in the cooling unit 210 is increased.
  • condensation water moved from the cooling unit 210 to the heat dissipation unit 230 is evaporated by the heat dissipating fins 231 , thereby obtaining the cooling effect of evaporation in such a manner that the cooling effect for the thermoelectric air-conditioning part 200 can be increased to provide more cooling air to the user H.
  • the total length b in which the heat dissipating fins 231 are installed may be set to be 1.5 times longer than the total length a in which the cooling fins 211 are installed.
  • a cooling efficiency equation is used in which the temperature difference between the cooling unit 210 and the heat dissipation unit 230 is increased by further providing the heat pipe 270 and the moisture absorbing material 600 , the area of the heat dissipation unit 230 is larger than that of the cooling unit 210 , and the resistance to airflow flowing to the heat dissipation unit 230 is increased so that the amount of airflow flowing to the cooling unit 210 is increased more than that flowing to the heat dissipation unit 230 .
  • the amount of heat dissipation is increased, whereby more pleasant cooling air can be provided to the user H.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
US15/607,627 2016-11-22 2017-05-29 Ventilation Module for Ventilation Seat Abandoned US20180145239A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/385,228 US11476400B2 (en) 2016-11-22 2019-04-16 Ventilation module for ventilation seat

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0155893 2016-11-22
KR1020160155893A KR101887779B1 (ko) 2016-11-22 2016-11-22 통풍시트의 통풍모듈

Related Child Applications (1)

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US16/385,228 Division US11476400B2 (en) 2016-11-22 2019-04-16 Ventilation module for ventilation seat

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US20180145239A1 true US20180145239A1 (en) 2018-05-24

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US15/607,627 Abandoned US20180145239A1 (en) 2016-11-22 2017-05-29 Ventilation Module for Ventilation Seat
US16/385,228 Active 2039-09-26 US11476400B2 (en) 2016-11-22 2019-04-16 Ventilation module for ventilation seat

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KR (1) KR101887779B1 (ko)
CN (1) CN108082014B (ko)

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Publication number Priority date Publication date Assignee Title
US20200333052A1 (en) * 2019-04-18 2020-10-22 Mahle International Gmbh Thermoelectric flexible mat
CN111823974A (zh) * 2019-04-18 2020-10-27 马勒国际有限公司 热电柔性垫

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KR20180057807A (ko) 2018-05-31
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