KR100862458B1 - An air cooling system for a vehicle's air pump unit - Google Patents

An air cooling system for a vehicle's air pump unit Download PDF

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Publication number
KR100862458B1
KR100862458B1 KR1020070060023A KR20070060023A KR100862458B1 KR 100862458 B1 KR100862458 B1 KR 100862458B1 KR 1020070060023 A KR1020070060023 A KR 1020070060023A KR 20070060023 A KR20070060023 A KR 20070060023A KR 100862458 B1 KR100862458 B1 KR 100862458B1
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South Korea
Prior art keywords
air
pump unit
cooling
air pump
temperature
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KR1020070060023A
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Korean (ko)
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조재설
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현대자동차주식회사
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    • 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
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • 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
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00371—Air-conditioning arrangements specially adapted for particular vehicles for vehicles carrying large numbers of passengers, e.g. buses
    • 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
    • B60H1/00478—Air-conditioning devices using the Peltier effect
    • 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
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00807—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a specific way of measuring or calculating an air or coolant temperature
    • 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
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
    • B60H1/00871—Air directing means, e.g. blades in an air outlet
    • 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
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating 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
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2268—Constructional features
    • B60H2001/2275—Thermoelectric converters for generating electrical energy

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compressor (AREA)

Abstract

A structure for cooling inflow air of an air pump unit in a vehicle is provided to easily cool off air discharged from an air compressor by installing a cooling connector accommodating a thermoelectric element at an inlet of the air pump unit which is connected to an air compressor. A structure for cooling inflow air of an air pump unit(10) in a vehicle comprises a cooling connector(40) formed at an inlet of the air pump unit, into which air exhausted from an air compressor(20) is introduced. A temperature detection sensor(70) is installed at an outlet of the cooling connector. A current converter(80) is connected to the cooling connector to change a size and a direction of current of a thermoelectric element. The temperature detection sensor and the current converter are connected to an electronic control unit to control a cooling temperature and a cooling direction.

Description

차량용 에어펌프유니트 유입공기 냉각구조 {an air cooling system for a vehicle's air pump unit}Air pump unit for vehicle air flow structure {an air cooling system for a vehicle's air pump unit}

도 1은 본 발명이 관계하는 에어펌프유니트의 사시도1 is a perspective view of an air pump unit according to the present invention

도 2는 버스에 마련된 에어펌프유니트실의 위치를 나타낸 요부 사시도2 is a perspective view illustrating main parts of the air pump unit chamber provided in the bus;

도 3은 종래 냉각구조의 사시도3 is a perspective view of a conventional cooling structure

도 4는 본 발명의 한 실시예의 구성도4 is a block diagram of one embodiment of the present invention

도 5는 동 실시예의 냉각커넥터의 사시도5 is a perspective view of the cooling connector of the embodiment;

도 6은 동 냉각커넥터의 요부 종단면도6 is a longitudinal sectional view of main parts of the cooling connector;

도 7은 동 실시예의 에어펌프유니트실 도아의 사시도 7 is a perspective view of an air pump unit chamber door of the embodiment;

* 도면의 주요 부분에 대한 부호 설명 *Explanation of symbols on the main parts of the drawings

10 : 에어펌프유니트 11 : 유입측10: air pump unit 11: inflow side

20 : 에어컴프레셔 40 : 냉각커넥터20: air compressor 40: cooling connector

43 : 열반도체 60 : 제어유니트43: heat semiconductor 60: control unit

70 : 온도감지센서 80 : 전류조절변환기70: temperature sensor 80: current control converter

본 발명은 차량용 에어펌프유니트 유입공기 냉각구조에 관한 것으로, 더 자세하게는 에어펌프유니트의 유입측에 열반도체를 이용한 냉각커넥터를 설치한 것에 관한 것이다.The present invention relates to a vehicle air pump unit inlet air cooling structure, and more particularly to the installation of a cooling connector using a heat semiconductor on the inlet side of the air pump unit.

일반적으로 대형트럭이나 버스 등의 차량의 공압 브레이크, 에어 서스펜션, 시트, 에어건 등의 공압 사용 장치에 수분이 포함된 공기를 공급하게 되면 이상작동을 유발할 수 있게 된다.In general, supplying air containing moisture to pneumatic brakes, air suspensions, seats, air guns, etc. of vehicles such as large trucks and buses may cause abnormal operation.

예를 들면 공압 브레이크의 경우 수분이 포함된 공기가 공급되면 제동토크의 저하나 좌우 편심 제동 등을 유발할 수 있게 된다. For example, in the case of a pneumatic brake, when water containing air is supplied, the braking torque may be reduced or the left and right eccentric braking may be caused.

본 발명이 관계하는 에어펌프유니트(APU; Air Pump Unit)는 도 1과 같이 에어드라이어(13; Air Dryer)를 구비하여 대형트럭이나 버스 등의 차량의 공압 브레이크, 에어 서스펜션, 시트, 에어건 등의 공압 사용 장치에 수분이 없는 공기를 제공할 수 있도록 하는 것으로, 이러한 에어펌프유니트(10; APU)의 설계시에는 에어콤프레셔와 접속되는 입구측(11)의 온도가 75℃ 이하일 것, 출구측(12)의 온도가 30℃ 이하일 것, 내부온도가 65℃ 이하를 유지할 것 등을 요구하고 있다.The air pump unit (APU) according to the present invention is provided with an air dryer 13 (Air Dryer) as shown in Figure 1, such as a pneumatic brake, air suspension, seat, air gun, etc. of a vehicle such as a large truck or bus In order to provide air without moisture to the pneumatic device, the temperature of the inlet side 11 connected to the air compressor should be 75 ° C. or lower when the air pump unit 10 (APU) is designed. The temperature of 12) is required to be 30 ° C or lower, and the internal temperature to be maintained at 65 ° C or lower.

그러나 상기 에어펌프유니트(APU)에 공기를 공급하는 에어컴프레셔(Air Compressor)의 공기 토출온도는 전술한 에어펌프유니트 설계 요구사양의 유입측 온도(예를 들면 75℃)보다 훨씬 고온(예를 들면 130℃)이므로 이를 냉각하여 에어펌 프유니트에 공급하여야 한다.However, the air discharge temperature of the air compressor (Air compressor) for supplying air to the air pump unit (APU) is much higher than the inlet side temperature (for example, 75 ° C) of the air pump unit design requirements described above (for example, 130 ℃), so it must be cooled and supplied to the air pump unit.

종래에 있어서 상기 에어펌프유니트 유입공기 냉각구조는 도 3과 같이 에어콤프레셔(20)와 에어펌프유니트(10)의 사이에 연결호스(31), 서지탱크(32), 긴 길이의 연결파이프(33)(34)를 설치하는 형태의 것이 주로 사용되었던 바, 이와 같은 종래 구조에 있어서는 연결호스(31)와 서지탱크(32), 연결파이프(33)(34) 등의 부품비용이 많이 들게 될 뿐 아니라 연결파이프(33)(34)의 배치공간을 확보해야 하므로 공간활용상에 많은 제약이 있게 되는 문제가 있었다.In the related art, the air pump unit inlet air cooling structure has a connection hose 31, a surge tank 32, and a long length of connection pipe 33 between the air compressor 20 and the air pump unit 10 as shown in FIG. 3. (34) is mainly used in the form of the bar, in the conventional structure, such as the connecting hose 31, surge tank 32, connecting pipes 33, 34, etc., only costs a lot of parts. Rather, it is necessary to secure the space for the connection pipes 33 and 34 so that there is a problem in that there are many restrictions on the utilization of the space.

또한 종래 구조에 있어서는 연결파이프(33)(34)에 외부공기를 원활하게 공급하여야 하므로 에어펌프유니트(10)가 설치되는 에어펌프유니트실(50)의 도아(51')에 외부공기 유입구멍(51a')을 마련해야 하고, 이 외부공기 유입구멍(51a')을 통해 먼지나 외부 이물질이 에어펌프유니트실(50)의 내부로 유입되어 에어펌프유니트(10), 연결파이프(33)(34)를 포함하여 에어펌프유니트실(50) 내부의 장착되는 각종 부품을 오염, 손상시키게 되는 등의 문제가 있었다.In addition, in the conventional structure, since the external air must be smoothly supplied to the connection pipes 33 and 34, the external air inflow hole (in the 51a) of the air pump unit chamber 50 in which the air pump unit 10 is installed. 51a '), and dust or foreign matter flows into the air pump unit chamber 50 through the external air inlet hole 51a', so that the air pump unit 10 and the connecting pipe 33 and 34 are In addition, there was a problem of contaminating and damaging various components mounted inside the air pump unit chamber 50.

본 발명은 상기와 같은 종래의 문제점을 감안하여 안출한 것이며, 그 목적이 보다 간편하게 에어컴프레셔에서 토출되는 고온의 공기를 냉각하여 에어펌프유니트의 유입측으로 공급할 수 있도록 하는 차량용 에어펌프유니트 유입공기 냉각구조를 제공하는 데에 있는 것이다.The present invention has been made in view of the above-described conventional problems, and its purpose is to more easily cool the high temperature air discharged from the air compressor to supply the air pump unit inlet air cooling structure to be supplied to the inlet side of the air pump unit. It is in providing.

본 발명은 상기의 목적을 달성하기 위하여 에어컴프레셔와 접속되는 에어펌프유니트의 유입측에 열반도체가 내장된 냉각커넥터를 설치하는 것을 특징으로 하며, 이하 그 구체적인 기술내용을 첨부도면에 의거하여 더욱 자세히 설명하면 다음과 같다.The present invention is characterized in that to provide a cooling connector with a built-in thermal semiconductor on the inlet side of the air pump unit connected to the air compressor in order to achieve the above object, the following detailed description based on the accompanying drawings in more detail The explanation is as follows.

도 4에는 본 발명의 한 실시예의 구성도가 도시되어 있고, 도 5에는 동 실시예의 냉각커넥터의 사시도가 도시되어 있으며, 도 6에는 동 냉각커넥터의 요부 종단면도가 도시되어 있는 바, 본 발명은 에어컴프레셔(20)로부터 토출되는 공기가 유입되는 에어펌프유니트(10)의 유입측(11)에 열반도체(43)를 구비하는 냉각커넥터(40)를 설치하여서 되는 것이다.4 is a block diagram of one embodiment of the present invention, FIG. 5 is a perspective view of the cooling connector of the embodiment, and FIG. 6 is a longitudinal sectional view of the main part of the cooling connector. The cooling connector 40 provided with the heat semiconductor 43 is provided in the inflow side 11 of the air pump unit 10 into which the air discharged from the air compressor 20 flows.

아울러 본 발명은 상기 냉각커넥터(40)의 토출측에 온도감지센서(70)를 설치하고, 냉각커넥터(40)에 열반도체(43)의 전류의 크기 및 방향을 변경하는 전류조절변환기(80)를 접속하며, 온도감지센서(70)와 전류조절변환기(80)를 제어유니트(60; ECU)에 접속하여 냉각온도 및 냉각방향을 조절할 수 있도록 하여서 되는 것이다.In addition, the present invention is to install a temperature sensor 70 on the discharge side of the cooling connector 40, the current control converter 80 for changing the magnitude and direction of the current of the thermal semiconductor 43 in the cooling connector 40 The temperature sensor 70 and the current control converter 80 are connected to the control unit 60 to control the cooling temperature and the cooling direction.

도시된 실시예에 있어서 냉각커넥터(40)는 본체(41)의 일측에 에어컴프레셔(20)로부터 공급되는 고온의 공기가 유입되는 유입구(41a)가 마련되고 본체(41)의 타측에 에어펌프유니트(10)로 저온의 공기를 공급하는 토출구(41b)가 마련되며, 본체(41)의 내부에 열반도체(43)가 설치되는 열반도체 설치부(47)가 마련되고, 본체(41) 내부의 열반도체(43)의 전방과 후방에 열전달매체(44)(45)(48)가 설치된 형태를 갖는다.In the illustrated embodiment, the cooling connector 40 is provided with an inlet port 41a through which the hot air supplied from the air compressor 20 enters one side of the main body 41, and the air pump unit on the other side of the main body 41. A discharge port 41b for supplying low-temperature air to the 10 is provided, and a heat semiconductor installation portion 47 in which the heat semiconductor 43 is installed is provided inside the main body 41, and the inside of the main body 41 is provided. The heat transfer medium 44, 45, 48 is provided in front of and behind the heat semiconductor 43.

도면부호중 미설명부호 90은 배터리이다.Reference numeral 90 in the drawing denotes a battery.

상기와 같이 구성된 본 발명에 있어서는 에어컴프레셔(20)에서 토출되는 고온의 공기를 열반도체(43)를 구비하는 냉각커넥터(40)를 통해 냉각시킨 후 에어펌프유니트(10)로 공급할 수 있게 되는 것이다.In the present invention configured as described above it is to be supplied to the air pump unit 10 after cooling the high-temperature air discharged from the air compressor 20 through the cooling connector 40 having the thermal semiconductor 43. .

본 발명에 있어서 온도감지센서(70)가 에어펌프유니트(10)로 공급되는 공기의 온도를 감지하여 제어유니트(60)로 감지신호를 보내게 되면 제어유니트(60)는 에어펌프유니트(10)로 공급되는 공기의 온도가 적정온도(예를 들면 75℃)인지를 판단하여 적정온도보다 높으면 전류조절변환기(80)의 전류값을 증가시켜 열반도체(43)의 열흡수량을 늘리고, 적정온도 이하이면 전류조절변환기(80)의 전류값을 감소시켜 열흡수량을 줄이게 된다.In the present invention, when the temperature sensor 70 detects the temperature of the air supplied to the air pump unit 10 and sends a detection signal to the control unit 60, the control unit 60 is the air pump unit 10 It is determined whether the temperature of the air supplied to the proper temperature (for example, 75 ℃) is higher than the appropriate temperature to increase the current value of the current control converter 80 to increase the heat absorption of the heat semiconductor 43, below the appropriate temperature In this case, the amount of heat absorption is reduced by reducing the current value of the current regulation converter 80.

한편 본 발명에 있어서 겨울철에 에어펌프유니트(10) 및 그 주변 부위가 동결될 우려가 많을 경우 제어유니트(60)에서 전류조절변환기(80)를 통해 열반도체(43)의 극성을 바꾸어서 작동하게 되면 주변에서 열을 흡수하여 공기통로에 열을 발생시킬 수 있게 되므로 동결을 방지할 수 있게 된다.Meanwhile, in the present invention, when the air pump unit 10 and its surrounding parts are frequently frozen in winter, when the polarity of the heat semiconductor 43 is changed through the current regulation converter 80 in the control unit 60, Absorption of heat from the surroundings can generate heat in the air passages, thereby preventing freezing.

또한 본 발명에 있어서는 종래와 같이 공기 냉각을 위해 길이가 긴 연결파이프를 사용하지 않게 되므로 에어펌프유니트실(50)의 내부공간설계를 용이하게 할 수 있게 되고, 에어펌프유니트실(50)의 도아(51)를 도 7과 같이 외부공기 유입구멍이 없는 형태로 단순화시킬 수 있게 되어 차량 원가절감에도 크게 기여할 수 있게 된다.In addition, in the present invention, since a long connection pipe is not used for air cooling as in the related art, the internal space design of the air pump unit chamber 50 can be easily facilitated, and the door of the air pump unit chamber 50 can be used. As shown in FIG. 7, it is possible to simplify the form without external air inflow holes, thereby greatly contributing to vehicle cost reduction.

이상에서 설명한 바와 같이 본 발명은 에어컴프레셔(20)로부터 토출되는 공기가 유입되는 에어펌프유니트(10)의 유입측(11)에 열반도체(43)를 구비하는 냉각커넥터(40)를 설치하고, 온도감지센서(70)와 전류조절변환기(80)를 제어유니트(60; ECU)에 접속하여 냉각온도 및 냉각방향을 조절할 수 있도록 한 것으로, 본 발명에 의하면 공기 냉각을 위해 길이가 긴 연결파이프와 서지탱크를 사용하지 않아도 되므로 부품비용과 조립비용 등을 절감할 수 있게 될 뿐 아니라 에어펌프유니트실 도아 구조를 단순화시킬 수 있게 되어 차량의 원가절감에 크게 기여할 수 있게 되고, 에어펌프유니트의 유입측으로 공급되는 공기의 온도를 보다 정밀하게 조절할 수 있게 되며, 제어유니트를 통해 에어펌프유니트 작동 최적온도를 계절에 관계없이 유지시킬 수 있게 되고, 동절기에 에어펌프유니트 및 그 주변 부품이 동결되는 것을 방지할 수 있게 되는 등의 효과를 얻을 수 있게 된다.As described above, in the present invention, a cooling connector 40 having a thermal semiconductor 43 is provided on the inflow side 11 of the air pump unit 10 through which air discharged from the air compressor 20 flows. By connecting the temperature sensor 70 and the current control converter 80 to the control unit 60 (ECU) to adjust the cooling temperature and the cooling direction, according to the present invention and the long connection pipe for air cooling and Since there is no need to use a surge tank, it not only reduces component cost and assembly cost but also simplifies the structure of the air pump unit door structure, which greatly contributes to the cost reduction of the vehicle and to the inflow side of the air pump unit. The temperature of the supplied air can be adjusted more precisely, and the control unit can maintain the optimum operating temperature of the air pump unit regardless of the season. Groups it is possible to obtain the effects of being able to prevent the air pump unit and its peripheral parts are frozen.

Claims (3)

삭제delete 에어컴프레셔(20)로부터 토출되는 공기가 유입되는 에어펌프유니트(10)의 유입측(11)에 열반도체(43)를 구비하는 냉각커넥터(40)를 설치한 차량용 에어펌프유니트 유입공기 냉각구조를 구성함에 있어서,A vehicle air pump unit inlet air cooling structure in which a cooling connector 40 including a heat semiconductor 43 is provided on an inlet side 11 of an air pump unit 10 into which air discharged from the air compressor 20 flows. In constructing, 상기 냉각커넥터(40)의 토출측에 온도감지센서(70)를 설치하고, 냉각커넥터(40)에 열반도체(43)의 전류의 크기 및 방향을 변경하는 전류조절변환기(80)를 접속하며, 온도감지센서(70)와 전류조절변환기(80)를 제어유니트(60; ECU)에 접속하여 냉각온도 및 냉각방향을 조절할 수 있도록 한 것을 특징으로 하는 차량용 에어펌프유니트 유입공기 냉각구조.The temperature sensor 70 is installed on the discharge side of the cooling connector 40, and the current control converter 80 for changing the magnitude and direction of the current of the thermal semiconductor 43 is connected to the cooling connector 40, and the temperature The air pump unit inlet air cooling structure of the vehicle, characterized in that the control sensor (60) is connected to the control unit (60) to control the cooling temperature and the cooling direction. 제2항에 있어서, 냉각커넥터(40)는 본체(41)의 일측에 에어컴프레셔(20)로부터 공급되는 고온의 공기가 유입되는 유입구(41a)가 마련되고 본체(41)의 타측에 에어펌프유니트(10)로 저온의 공기를 공급하는 토출구(41b)가 마련되며, 본체(41)의 내부에 열반도체(43)가 설치되는 열반도체 설치부(47)가 마련되고, 본체(41) 내부의 열반도체(43)의 전방과 후방에 열전달매체(44)(45)(48)가 설치된 것을 특징으로 하는 차량용 에어펌프유니트 유입공기 냉각구조.According to claim 2, the cooling connector 40 is provided on one side of the main body 41 is provided with an inlet (41a) through which the high-temperature air supplied from the air compressor 20, the air pump unit on the other side of the main body 41 A discharge port 41b for supplying low-temperature air to the 10 is provided, and a heat semiconductor installation portion 47 in which the heat semiconductor 43 is installed is provided inside the main body 41, and the inside of the main body 41 is provided. Inlet air cooling structure for a vehicle air pump unit, characterized in that the heat transfer medium 44, 45, 48 is installed in front and rear of the heat semiconductor 43.
KR1020070060023A 2007-06-19 2007-06-19 An air cooling system for a vehicle's air pump unit KR100862458B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101033326B1 (en) * 2008-11-18 2011-05-09 현대자동차주식회사 Cooling Device For Self Generation Of Large-sized Vehicles
KR20230038340A (en) * 2021-09-10 2023-03-20 한국철도기술연구원 Air-compression system using thermoelectric cooling

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200187703Y1 (en) 2000-01-27 2000-07-15 김상욱 Ultra low air refrigerator
JP2002061975A (en) 2000-08-23 2002-02-28 Shimadzu Corp Air conditioner for transporting machine
KR200362174Y1 (en) 2004-06-12 2004-09-16 유연덕 Indoor ventilation system
KR200436152Y1 (en) * 2007-01-13 2007-06-13 김영용 Air Pump for the control temperature

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200187703Y1 (en) 2000-01-27 2000-07-15 김상욱 Ultra low air refrigerator
JP2002061975A (en) 2000-08-23 2002-02-28 Shimadzu Corp Air conditioner for transporting machine
KR200362174Y1 (en) 2004-06-12 2004-09-16 유연덕 Indoor ventilation system
KR200436152Y1 (en) * 2007-01-13 2007-06-13 김영용 Air Pump for the control temperature

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101033326B1 (en) * 2008-11-18 2011-05-09 현대자동차주식회사 Cooling Device For Self Generation Of Large-sized Vehicles
KR20230038340A (en) * 2021-09-10 2023-03-20 한국철도기술연구원 Air-compression system using thermoelectric cooling
KR102651131B1 (en) * 2021-09-10 2024-03-27 한국철도기술연구원 Air-compression system using thermoelectric cooling

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