KR970002493Y1 - Air supplying device inside a car - Google Patents

Air supplying device inside a car Download PDF

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Publication number
KR970002493Y1
KR970002493Y1 KR2019950002984U KR19950002984U KR970002493Y1 KR 970002493 Y1 KR970002493 Y1 KR 970002493Y1 KR 2019950002984 U KR2019950002984 U KR 2019950002984U KR 19950002984 U KR19950002984 U KR 19950002984U KR 970002493 Y1 KR970002493 Y1 KR 970002493Y1
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KR
South Korea
Prior art keywords
air
car
hole
tube
installation
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KR2019950002984U
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Korean (ko)
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KR960028566U (en
Inventor
서홍원
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서홍원
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Priority to KR2019950002984U priority Critical patent/KR970002493Y1/en
Publication of KR960028566U publication Critical patent/KR960028566U/en
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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
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
    • B60H1/245—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the roof
    • 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
    • B60H1/00664—Construction or arrangement of damper doors
    • B60H1/00671—Damper doors moved by rotation; Grilles
    • 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
    • B60H3/00—Other air-treating devices
    • B60H3/06—Filtering
    • B60H3/0608—Filter arrangements in the air stream
    • 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
    • B60H1/00207—Combined heating, ventilating, or cooling devices characterised by the position of the HVAC devices with respect to the passenger compartment
    • B60H2001/00235—Devices in the roof area of the passenger compartment

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

Abstract

내용없음.None.

Description

자동차 실내공기 공급장치Automotive indoor air supply

제1도는 본 고안의 요부 분리 사시도.1 is a perspective view of the main portion of the present invention separated.

제2도는 본 고안장치의 설치 상태도.Figure 2 is an installation state of the present devised device.

제3도는 본 고안의 요부 확대 종 단면도.3 is an enlarged longitudinal sectional view of the main part of the present invention.

제4도는 본 고안에 실시되는 공기유압량조절구의 사시도.Figure 4 is a perspective view of the air hydraulic pressure control device implemented in the present invention.

제4a도는 본 고안의 공기유입량조절구의 일부 사시도.Figure 4a is a partial perspective view of the air inlet flow rate control device of the present invention.

제5도는 제3도의 A-A'선 단면 확대도.5 is an enlarged cross-sectional view along the line AA ′ of FIG. 3.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 공기모음나팔관 14 : 이물질유입방지망10: air collection trumpet 14: foreign material inflow prevention network

16 : 설치관 18 : 공기유도공16: installation pipe 18: air induction work

20 : 공기유입량조절구 21 : 돌림축20: air inlet flow regulator 21: turning shaft

22 : 댐퍼편 26 : 걸림장공22: damper piece 26: jam hole

27 : 걸림돌기 28 : 조절손잡이27: locking projection 28: adjusting knob

30 : 공기확산구 31 : 확산망체30: air diffusion sphere 31: diffusion network

32 : 연결나사관 33 : 휠타32: connecting screw 33: filter

40 : 공기유도판 41 : 통기공40: air guide plate 41: air vent

42 : 결합구 44 : 공기통과로42: coupler 44: air passage

본 고안은 자동차 지붕에 설치되어 외부공기가 자동차 실내로 공급되도록 하는 것으로서, 특히 태양광을 차단하면서도 자동차 실내 중앙부분으로 외부공기가 공급될 수 있도록 고안된 자동차 실내공기 공급장치에 관한 것이다.The present invention is to be installed on the roof of the car to supply the outside air to the interior of the vehicle, and more particularly relates to a vehicle indoor air supply device designed to supply external air to the center of the interior of the car while blocking sunlight.

일반적으로 승용자동차에 있어 냉, 난방가동시 창문을 닫고 운행하므로 장시간운행시 공기중 산소부족현상이 일어나므로 창문을 열어주거나 또는 앞좌석 양측 코너부분에 있는 공기유입 그릴을 통해서 외부공기가 자동차실내로 들어오도록 하고 있다.In general, in cars, the window is closed and operated during cold and heating operation, so oxygen shortage occurs in the air for a long time, so open the window or open the air through the air intake grills at the corners of the front seats. I'm coming in.

그러나 창문을 열어주는 경우 열손실이 초래되어 연료낭비가 야기될뿐 아니라 도로상에서 특히 나쁜 외부공기가 실내로 그대로 유입되게 되는 한편 공기유입그릴을 통해서 들어오게 하는 경우에는 자동차 하부(엔진)계통을 거쳐서 외부공기가 유입되기 때문에 도로나 엔진계통에 있는 먼지가 유입되므로 건강 훼손이 초래되는 문제가 야기되고 있다.However, opening the window causes not only heat loss, but also fuel consumption. On the road, especially bad external air flows into the room, while the air intake grill is introduced through the lower part of the engine (engine). Since external air flows in, dust on roads or engine systems flows in, resulting in a problem of health damage.

또한, 하절기에 노상주차시 태양열에 의해 자동차 지붕이 가열되어 자동차 실내공기가 극도로 높아지므로 즉시 운행하지 못하는 불편이 초래되었을 뿐만아니라 뜨거워진 자동차실내 온도를 낮추기 위하여 불필요한 냉방기 가동과 더불어 연료손실이 초래되는 비경제성이 야기되었다.In addition, in the summer, the roof of the car is heated by solar heat, so the indoor air is extremely high, which not only causes inconveniences. This resulted in uneconomics.

따라서 상기에서와 같은 연료손실을 적극적인 차량보유대수를 감안해볼 때 엄청난 연료손실이 야기되므로 출원인인 깨끗하고 신선한 외부공기를 자동차 실내로 공급할 수 있으면서도 태양광을 차단할 수 있는 장치를 연구하기에 이르게 되었다.Therefore, in view of the number of active vehicles owned fuel loss as described above, enormous fuel loss is caused, and the applicant has been able to study the device that can block the sunlight while supplying clean and fresh outside air to the car interior.

본 고안의 주된목적은 자동차지붕으로의 태양광을 차단하면서도 보다 신선한 외부공기가 자동차실내로 공급 가능하도록 하므로서 에너지손실을 최대한 감소되게 하는 한편 차내 산소보급이 원활히 되도록 하려는데 있으며, 다른 목적은 외부공기가 자동차실내로 들어와 확산되는데 있어 보다 효율적으로 확산되도록 하려는데 있다.The main purpose of the present invention is to reduce the energy loss and smoothly supply oxygen to the car by blocking the sunlight to the car roof and supplying fresher air to the car interior. It is intended to spread more efficiently in entering and spreading inside a car.

본 고안은 상기한 목적을 달성하기 위하여 자동차지붕위에 공기유도판을 설치하고 그 하부에 설치되는 공기모음나팔관을 통해 유도된 외부공기가 자동차실내로 들어가도록 하는 동시에 자동차실내로 유입되는 공기는 먼지정화되어 확산되도록 한 것으로서, 이하 첨부된 실시도면에 의거하여 보다 상세히 설명하면 다음과 같다.In order to achieve the above object, the present invention installs an air induction plate on the roof of the car and allows the outside air induced through the air collection tube installed under the air to enter the inside of the car and at the same time, the air introduced into the car is cleaned of dust. As it is to be diffused, it will be described in more detail based on the accompanying drawings, as follows.

본 고안은 크게 구분하여 공기모음나팔관(10)과 공기유입량조절구(20) 및 공기확산구(30), 그리고 공기유도판(40)으로 구성된다.The present invention is largely divided into an air collection trumpet tube 10, the air inlet flow rate control port 20 and the air diffusion port 30, and the air induction plate 40.

공기모음나팔관(10)의 판연결부(11)에는 나사공(12)이 뚫려 있으며 중간 내부에는 공기유입구(13)를 통해 종이나 돌맹이등과 같은 이물질이 들어가는 것을 방지하기 위한 이물질유입방지망(14)이 설치되어 있고 후부에는 직각으로 굴곡되는 동시에 내부나사부(15)를 가진 설치관(16)이 형성되어 있으며 직각으로 되는 경계부에는 걸림턱(17)이 형성되어 있다.The plate connection portion 11 of the air collection trumpet tube 10 has a threaded hole 12 therein, and a foreign material inflow prevention net 14 for preventing foreign substances such as paper or boulder through the air inlet 13 in the middle. The installation pipe 16 is bent at right angles and has an internal threaded portion 15 formed at the rear portion thereof, and a locking jaw 17 is formed at the boundary portion formed at right angles.

상기 공기모음나팔관(10)의 공기유도공(18)내에 설치되는 공기유입량조절구(20)는 돌림축(21)에 설치되는 다수의 댐퍼편(22)을 구비하게 되는데, 상기 댐퍼편(22)중 최상축의 고정댐퍼편(22a)은 브라켓트(23)와 나사(24)에 의해 안내구(25)에 고정되도록 하고 그 아래쪽의 회전댐퍼편(22b)들은 돌림축(21)에 고정되도록 설치되는 축고정댐퍼편(22c)의 회전에 따라 각기의 댐퍼편(22)의 주면상과 일측저부에 각각 구비하게 되는 걸림장공(26)에 걸림돌기(27)가 걸리므로서 끌려서 회전되도록 되어 있으며 돌림축(21)은 댐퍼편(22)이 설치된 상태에서 공기유도공(18)내의 축보스(19)와 안내구(25)에 의해 설치되는 한편 이후에 설명되는 공기확산구(30)의 조립후 돌림축(21)하단에는 최종적으로 조절손잡이(28)이가 연결되도록 설치된다.The air inflow rate adjusting opening 20 installed in the air induction hole 18 of the air collection trumpet tube 10 includes a plurality of damper pieces 22 installed on the turning shaft 21, and the damper piece 22. The fixed damper piece 22a of the uppermost shaft is fixed to the guide port 25 by the bracket 23 and the screw 24, and the lower rotary damper pieces 22b are fixed to the turning shaft 21. According to the rotation of the shaft fixing damper piece 22c, the locking projections 27 are caught by the locking holes 26 which are provided on the main surface and the bottom of each of the damper pieces 22, respectively. 21 is installed by the axial boss 19 and the guide port 25 in the air induction hole 18 in the state where the damper piece 22 is installed, while the turning shaft after assembly of the air diffusion port 30 described later. (21) At the bottom is finally installed so that the adjustment knob 28 is connected.

한편, 공기확산구(30)는 수많은 통기공(31a)이 뚫린 반원형의 확산망체(31)상부에 연결나사관(32)이 돌출되도록 형성되어 있으며 확산망체(31) 내부에는 휠타망(33a)내에 예컨데 활성탄과 같은 정화물질(33b)이 채워진 휠타(33)가 내주면에 밀착되도록 삽입되도록 하되 상기 휠타(33)중앙부에는 돌림축(21)이 관통되어 지지될 수 있게 하기 위한 축관(34)이 설치되도록 되어 있다.On the other hand, the air diffusion port 30 is formed so that the connecting screw tube 32 protrudes on the semicircular diffused mesh 31 through which a number of vent holes 31a are drilled, and the wheel mesh 33a inside the diffused mesh 31. A shaft tube 34 for inserting the filter 33 filled with a purifying material 33b, such as activated carbon, to be in close contact with the inner circumferential surface thereof, and allowing the turning shaft 21 to penetrate and be supported in the center of the filter 33. It is intended to be installed.

또한, 공기유도판(40)은 자동차지붕(1)과 거의 동일한 크기의 판형상을 이루게 되는 한편 전, 후면부에는 통기공(41)이 다수 형성되어 있고 네모서리부에는 자동차지붕(1)에 구비되어 있는 연결체(2)에 고정되도록 결합시킬 수 있는 결합구(42)가 각각 구비되어 있다.In addition, the air induction plate 40 has a plate shape of almost the same size as the car roof (1), while a plurality of vent holes 41 are formed on the front and rear parts, and the corners are provided on the car roof (1). Coupling fittings 42 which can be fixed to the connecting bodies 2 are provided.

따라서 본 고안은 자동차지붕(1)에 설치공(3)을 뚫고 공기모음나팔관(10)의 설치관(16)을 끼운다음 설치관(16)의 내부나사부(15)에 연결나사관(32)이 체결되도록 하여 공기확산구(30)가 조립되도록 하는데 이때 축관(34)에 돌림축(21)이 끼워지도록 조립되도록 한후 확산망체(31) 외부로 돌출되어 나오게 되는 돌림축(21)끝단에 조절손잡이(28)가 연결되도록 설치한다.Therefore, the present invention drills the installation hole (3) on the roof of the car (1) and then insert the installation tube (16) of the air collection bug tube (10) and then connect the screw tube (32) to the internal screw portion (15) of the installation tube (16) This is to be fastened so that the air diffusion sphere (30) is assembled at this time, so that the turning shaft 21 is fitted to the shaft tube 34 to be fitted, and then adjusted to the end of the turning shaft 21 to protrude out of the diffusion mesh 31. The handle 28 is installed to be connected.

또한, 공기모음나팔관(10)의 판열결부(11)에는 연결체(2)에 결합구(42)가 결합되므로서 자동차지붕(1)위에 설치되는 공기유도판(40)을 나사(43)로 고정시키므로서 상호 보강구조력을 가지도록 하는 한편 공기유도판(40)과 자동차지붕(1)사이에 공기통과로(44)가 형성되도록 구성된다.In addition, the coupling portion 42 is coupled to the connector 2 in the plate heat connection portion 11 of the air collection tube 10, the air induction plate 40 installed on the roof of the vehicle (1) with screws 43 It is configured to have a mutual reinforcement structure while fixing the air passage plate 44 between the air induction plate 40 and the car roof (1).

이와같이 구성된 본고안은 자동차주행시 통기공(41)을 통해 공기통과로(44)내로 외부공기가 들어와 뒤쪽으로 통과되게 되는데 이때 일부 통과공기는 공기모음나팔관(10)의 공기유입공(13)을 통해 공기유도공(18)으로 들어가게 되며 이러한 공기 유입과정에 이물질(돌맹이나 종이등)이 유입되면 이물질유입방지망(14)에 걸리므로서 외부공기만 공기유도공(18)으로 들어가게 된다.This proposal is configured to pass the outside air into the air passageway 44 through the vent hole 41 during the driving of the car and pass through the air inlet part 13 of the air collection bugle tube 10 Entering the air induction hole (18), when foreign matter (such as rubble or paper) is introduced into the air inflow process is caught in the foreign matter inflow prevention net 14, so that only the outside air enters the air induction hole (18).

따라서 본 고안은 외부공기가 공기유도공(18)을 따라 설치관(16)으로 유도되어 공기확산구(30)까지 도달되므로서 자동차실내로 외부공기가 자연스럽게 들어가게 되는 공급이 이루어지는 것으로서, 이같이 공기확산구(30)에 이르게 된 외부공기는 휠타(33)의 휠타망(33a)과 정화물질(33b)을 통과하는 과정에 먼지나 매연가스등과 같은 해로운 물질이 제거 및 정화되어 확산망체(31)의 통기공(31a)을 통해 자동차실내로 들어가게 되는 것이다.Therefore, the present invention is that the external air is guided to the installation pipe 16 along the air induction hole 18 to reach the air diffusion port 30, so that the external air naturally enters into the car compartment, and thus the air diffusion sphere The outside air, which has reached 30, passes through the wheel mesh 33a and the purifying substance 33b of the filter 33, and removes and purifies harmful substances such as dust or soot gas. The pores 31a are to be entered into the vehicle interior.

한편, 본 고안은 공기모음나팔관(10)으로 들어오는 공기량을 공기유입량조절구(20)의 조절손잡이(28) 회전 조작으로서 적절히 조절되도록 할 수 있는 것으로서, 돌림축(24)이 회전되면 축고정댐퍼편(22c)이 회전됨에 따라 걸림장공(26)에 걸림돌기(27)가 걸림으로서 회전댐퍼편(22b)들이 연이어져 회전되어 제 5 도에 가상선도시와 같이 점차적으로 공기유도공(18)을 막아버리게 되는데, 상기한바와 같이 댐퍼편(22)에 의해 공기유도공(18)을 막아버리는 차페정도에 따라 외부공기가 통과하는 면적이 많아지거나 적어지므로서 공기유입량이 조절되는 것이다.On the other hand, the present invention is to be able to properly adjust the amount of air coming into the air collection trumpet tube 10 as the control knob 28 rotation operation of the air inlet flow adjusting device 20, when the rotation shaft 24 is rotated shaft fixed damper As the piece 22c is rotated, the locking projections 27 are caught by the locking holes 26 so that the rotary damper pieces 22b are successively rotated to gradually move the air induction hole 18 as shown in FIG. 5. As described above, the air inflow rate is controlled by increasing or decreasing the area through which external air passes, depending on the degree of shielding which blocks the air induction hole 18 by the damper piece 22 as described above.

그리고 상기한 공기유입조절은 예컨데 저속주행일때는 공기통과면적이 커지게 하고 고속주행일때는 공기모음나팔관(10)으로 들어오는 공기량이 많아지므로 공기통과 면적을 적게 조절하여 적절한 공기량이 자동차실내로 들어오도록 하는 것이 바람직하다.In addition, the air inflow control is, for example, to increase the air passage area at low speeds, and to increase the amount of air entering the air collection trumpet tube 10 at high speeds, so that an appropriate amount of air enters the interior of the car by controlling the air passage area. It is desirable to.

한편, 공기유도판(40)은 자동차지붕(1)과 같은 형상을 이루는 상태로서 공기모음나팔관(10)을 덮어버리는 상태로 설치되기 때문에 자동차 외관을 미려하게 할뿐 아니라 공기 저항을 크게 받게 되는 공기모음나팔관(10)을 보강해 주는 역할을 수행하게 되고 아울러서 공기통과로(44)를 형성하게 하므로 일부 외부공기각 통과되도록 함에 따라 공기모음나팔관(10)에 미치는 공기저항력을 어느정도 감소시키게 한다.On the other hand, since the air induction plate 40 is formed in a state of forming the same shape as the roof of the car 1 and covers the air collection trumpet tube 10, the air not only makes the exterior of the car beautiful but also receives a great air resistance. It serves to reinforce the collection trumpet tube (10) and at the same time to form an air passage (44) to some extent to reduce the air resistance force on the air collection trumpet tube (10) as it passes through some external air angle.

이상의 설명에 따르면 본고안 장치에 의해 자동차창문을 열지 않고도 주행중에 신선한 외부공기를 자동차실내로 들어오도록 할 수 있는 동시에 들어온 공기는 자동차실내 중앙부분에 위치하게 되는 공기확산구(30)에 의해 확산되므로 승차자 전원에게 맑은 공기를 제공할 수 있게 되는 효과가 있다.According to the above description, it is possible to allow fresh outside air to enter the interior of a car while driving without opening the car window by the device, and at the same time, the incoming air is diffused by the air diffusion port 30 located in the center of the car. There is an effect that can provide fresh air to all the passengers.

그러므로 기존과 같이 창문을 열고 주행하지 않아도 되기 때문에 냉, 난방열 손실이 초래되지 아니하도록 할 수 있으므로 열손실방지에 따른 에너지 절감을 도모하게 되고 승차자 건강훼손방지를 도모하게 되는 효과를 제공할뿐만 아니라 자동차지붕(1)위에 공기통과로(44)와 같은 공간을 가지는 상태로서 공기유도판(40)이 존재하기 때문에 노상주차시 태양광을 자동차지붕(1)에 곧바로 내려쬐지 않도록 차단시킬 수 있으므로 차양막 역할에 따른 자동차실내가 극도로 도워지는 것을 미연에 방지할 수 있는 효과도 겸비한 유용한 고안이다.Therefore, since it is not necessary to open a window and run as before, it is possible to prevent the loss of heat of cooling and heating. Therefore, it is possible to save energy due to the prevention of heat loss and to provide the effect of preventing the damage to the rider's health. Since the air induction plate 40 exists on the roof 1 and has the same space as the air passage 44, the sun can block the sun from directly falling on the roof of the car 1 when the road is parked. It is a useful design that also has the effect of preventing the interior of the car is extremely helped in advance.

Claims (3)

자동차지붕(1)에 설치되는 것에 있어서, 공기모음나팔관(10)의 공기유입공(13)이 자동차전방을 향하도록 자동차지붕(1)에 관통시킨 설치공(3)에 설치관(16)이 끼워지도록 설치하고 공기유입량조절구(20)가 공기유도공(18) 내에 설치되는 설치관(16)의 내부나사부(15)에 휠타(33)가 내장되고 다수의 통기공(31a)을 가진 확산망체(31)를 구비하는 공기확산구(30)의 연결나사관(32)이 체결되도록 구성하여서 된 것을 특징으로 하는 자동차실내 공기 공급장치.In the installation on the vehicle roof 1, the installation tube 16 is installed in the installation hole 3 through which the air inlet hole 13 of the air collection bugle tube 10 passes through the vehicle roof 1 so as to face the front of the vehicle. Diffusion mesh having a plurality of vent holes 31a and a filter 33 built in the internal threaded portion 15 of the installation pipe 16 in which the air inlet flow rate adjustment hole 20 is installed in the air induction hole 18. Automotive air supply apparatus, characterized in that configured to be fastened to the connection screw pipe 32 of the air diffusion port 30 having a 31. 제1항에 있어서, 공기유입량조절구(20)가 조절손잡이(28)와 연결되는 돌림축(21)에 걸림장공(26)과 걸림돌기(27)에 의해 상호연결되는 고정 및 회전댐퍼편(22a).(22b)과 축고정댐퍼편(22c)을 가진 댐퍼편(22)이 설치되어 구성되도록 한 자동차실내 공기 공급장치.The fixed and rotary damper piece of claim 1, wherein the air inflow amount adjusting device 20 is connected to the turning shaft 21 connected to the adjusting knob 28 by the locking hole 26 and the locking protrusion 27. 22a). A vehicle air supply device in which a damper piece (22) having a (22b) and a shaft fixing damper piece (22c) is provided and configured. 제1항에 있어서, 공기모음나팔관(10)의 판연결부(11) 상부에 공지의 연결체(2)에 교정되는 결합구(42)를 구비하고 통기공(41)을 가진 공기유도판(40)이 설치되게 하여 공기통과로(44)가 형성되도록 한 자동차실내 공기 공급장치.2. The air induction plate (40) according to claim 1, further comprising a coupler (42) corrected to a known connector (2) above the plate connector (11) of the air collection tube (10) and having a vent (41). In-vehicle air supply unit to be installed so that the air passage (44) is formed.
KR2019950002984U 1995-02-20 1995-02-20 Air supplying device inside a car KR970002493Y1 (en)

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KR2019950002984U KR970002493Y1 (en) 1995-02-20 1995-02-20 Air supplying device inside a car

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KR970002493Y1 true KR970002493Y1 (en) 1997-03-26

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