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WO2021241888A1 - Dispositif de purification d'air pour véhicule - Google Patents

Dispositif de purification d'air pour véhicule Download PDF

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Publication number
WO2021241888A1
WO2021241888A1 PCT/KR2021/004931 KR2021004931W WO2021241888A1 WO 2021241888 A1 WO2021241888 A1 WO 2021241888A1 KR 2021004931 W KR2021004931 W KR 2021004931W WO 2021241888 A1 WO2021241888 A1 WO 2021241888A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
air
driving
driving motor
housing
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/KR2021/004931
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English (en)
Korean (ko)
Inventor
오세빈
이민규
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.)
Meekyungtec Co Ltd
Original Assignee
Meekyungtec Co Ltd
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 Meekyungtec Co Ltd filed Critical Meekyungtec Co Ltd
Publication of WO2021241888A1 publication Critical patent/WO2021241888A1/fr
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
    • B60H3/00—Other air-treating devices
    • B60H3/06—Filtering
    • B60H3/0658—Filter elements specially adapted for their arrangement in vehicles
    • 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
    • B60H1/00764—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 vehicle driving condition, e.g. speed
    • B60H1/00778—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 vehicle driving condition, e.g. speed the input being a stationary vehicle position, e.g. parking or stopping

Definitions

  • the present invention relates to an air purifier for a vehicle, and more particularly, to an air purifier for a vehicle capable of recognizing a vehicle's vehicle stop state and switching the operation of a driving motor of a blower fan of the air purifier to a minimum noise mode.
  • air flowing into the interior of the vehicle from the outside of the vehicle is filtered by the filter of the air cleaner and supplied to the interior of the vehicle, but it is difficult to completely filter out yellow dust or fine dust in the air, and it is present in the interior of the vehicle.
  • Air pollution in the interior of the car is further aggravated by various bacteria and mold that cause a lot of bad smell.
  • the interior of the vehicle is relatively narrow and sealed, the air in the interior of the vehicle quickly becomes turbid, and carbon monoxide emitted by the driver and passengers is accumulated, which causes drowsy driving.
  • Korean Patent Registration No. 10-0665926 shown in FIG. 1 discloses a technology related to an indoor air purifier for a vehicle that purifies the air while controlling the amount of negative ions generated according to the degree of pollution of the indoor air of the vehicle.
  • Korean Patent Laid-Open No. 10-2018-0047162 shown in FIG. 2 discloses a technology related to an air purification device for a vehicle in which a filter cartridge includes a deodorizing filter, a photocatalyst, a fragrance, a filter sterilizing member, and the like.
  • Korean Patent Application Laid-Open No. 10-2018-0076392 shown in FIG. 3 discloses a technology related to an air purifier for a vehicle including a pre-treatment filter, an electrostatic precipitation filter, a UVLED photocatalytic filter, and the like.
  • the prior art vehicle air purifier or air purifier as described above has a built-in armrest near the driver's seat in the vehicle interior, the ceiling of the vehicle or the back of the driver's seat and/or passenger seat, or the rear of the rear seat. ) method or attachment type, or installed in an appropriate location in the vehicle interior.
  • the vehicle air purifier or air purifier has no choice but to be installed inside the vehicle due to the characteristic of purifying the air inside the vehicle, and purifies the air while circulating the air inside the vehicle through the air purifier.
  • the driving motor of the fan is essential, and even if a low-noise motor having a relatively low operating noise is used, it is unavoidable to generate an annoying noise to the driver or passengers due to the rotation of the blower fan.
  • the present invention is to solve the above problems, and an object of the present invention is to provide an air purifier for a vehicle capable of recognizing a vehicle's stationary state and switching the operation of the driving motor of the blower fan of the air purifier to the minimum noise mode.
  • an air purifier for a vehicle mounted inside a vehicle has an air intake port for sucking air in the interior of the vehicle and an air discharge port for discharging air, a housing mounted indoors; a filter unit installed in a flow path between the air inlet and the air outlet in the housing to purify the air; a blower fan installed in a flow path between the air inlet and the air outlet in the housing, the fan sucking air from the air inlet and discharging the air to the air outlet; a driving motor installed in the housing and driving the blowing fan; and a control unit for recognizing a vehicle stop state and controlling operation of the driving motor.
  • the control unit when a vehicle stop recognition signal is sent to the control unit, the control unit may convert the driving of the driving motor to a minimum noise mode.
  • the vehicle stop recognition signal may be generated when the vehicle is stopped and the engine is turned off by the operation of the ISG.
  • the vehicle stop recognition signal may be generated when the speedometer indicates "0" when the vehicle in motion is stopped.
  • the controller may switch to a minimum noise mode to stop the rotation of the blower fan by stopping the operation of the driving motor.
  • the controller may convert the driving motor to the lowest speed to switch to the minimum noise mode.
  • the filter unit may have a filter unit replaceable.
  • the air purifier for a vehicle may be mounted in the interior of the vehicle in a buried type, a built-in type, or a mounting type.
  • a control method of an air purifier for a vehicle comprising: a housing having an air intake port for sucking air in the interior of the vehicle and an air discharge port for discharging air; a filter unit installed in a flow path between the air inlet and the air outlet in the housing to purify the air; a blower fan installed in a flow path between the air inlet and the air outlet in the housing, the fan sucking air from the air inlet and discharging the air to the air outlet; a driving motor installed in the housing and driving the blowing fan; and a control unit for controlling the operation of the driving motor, the vehicle stop recognition signal when 1SG of the vehicle is in operation or when the speed of the vehicle speedometer indicates “0” creating a; when the signal generated in the vehicle stop recognition signal generating step is received by the controller, stopping the operation of the driving motor to stop the rotation of the blower fan; and when the control unit receives the driving recognition signal of the vehicle, restarting the driving of the driving motor to rotate the blowing
  • a control method of an air purifier for a vehicle comprising: a housing having an air intake port for sucking air in the interior of the vehicle and an air discharge port for discharging air; a filter unit installed in a flow path between the air inlet and the air outlet in the housing to purify the air; a blower fan installed in a flow path between the air inlet and the air outlet in the housing, the fan sucking air from the air inlet and discharging the air to the air outlet; a driving motor installed in the housing and driving the blowing fan; and a control unit for controlling the operation of the driving motor, the vehicle stop recognition signal when 1SG of the vehicle is in operation or when the speed of the vehicle speedometer indicates “0” creating a; when the signal generated in the vehicle stop recognition signal generating step is received by the control unit, converting the driving motor to a minimum speed to switch to a minimum noise mode; and when the control unit receives the driving recognition signal of the vehicle, restarting the driving of the driving motor to switch
  • the operation of the driving motor of the blower fan of the air purifier can be switched to the minimum noise mode by recognizing the vehicle's stopped state, so that the driver or passenger feels the vehicle air purification. It is possible to remarkably reduce the operating noise of the device.
  • the scope of the present invention is not limited by these effects.
  • FIG. 1 is a schematic exploded perspective view of a vehicle air purifier of the prior art.
  • FIG. 2 is a schematic cross-sectional view of a vehicle air purifier of the prior art.
  • FIG 3 is a schematic plan cross-sectional view of a prior art armrest-mounted vehicle air purifier.
  • FIG. 4 is a functional block diagram of an air purifier for a vehicle according to an embodiment of the present invention.
  • FIG. 5 is an operation flowchart of an air purifier for a vehicle according to an embodiment of the present invention.
  • FIG. 6 is an operation flowchart of an air purifier for a vehicle in a driving mode according to an embodiment of the present invention.
  • FIG. 7 is a schematic exploded perspective view of an air purifier for a vehicle according to an embodiment of the present invention.
  • FIG. 8 is a cross-sectional view taken along line A-A of the vehicle air purifier of FIG. 7 .
  • FIG. 9 is a view showing an air flow direction in an air purifier for a vehicle according to an embodiment of the present invention.
  • first and/or second may be used to describe various elements, but the elements are not limited to the terms. The above terms are used only for the purpose of distinguishing one component from other components, for example, without departing from the scope of rights according to the concept of the present invention, a first component may be named as a second component, and similar The second component may also be referred to as the first component.
  • the housing 10 includes a blower fan 30, a driving motor 40, a filter unit 20, and a sensor unit which are internal components of the air purifier. , which accommodates an operation unit, a display unit, and the like, and has at least one air inlet 11 and at least one air outlet 12 .
  • the filter unit 20 accommodated in the housing is installed in the flow path between the air inlet 11 and the air outlet 12, and purifies the air circulating in the flow path.
  • the driving motor 40 accommodated in the housing drives the blowing fan.
  • the output shaft of the driving motor may be directly coupled to the rotating shaft of the blowing fan, or the driving motor may be driven through a power transmission device (not shown) such as a belt.
  • the rotational force of the output shaft may be transmitted to the rotation shaft of the blower fan.
  • Air in the vehicle interior is introduced through the air intake port by the rotation of the blower fan 30 by the driving motor 40 and discharged through the air exhaust port, whereby the air in the vehicle interior repeatedly circulates through the air purifier 100
  • the filter member of the filter unit 20 needs to be replaced or cleaned at a predetermined cycle.
  • the filter member may be of a replaceable cartridge type.
  • the control unit 50 accommodated in the housing 10 controls the operation of the driving motor by recognizing the vehicle's stopped state.
  • the control unit 50 may be installed on the outer surface of the housing 10 , and is installed in the interior of the vehicle away from the housing 10 to remotely operate the driving motor 40 of the blower fan 30 . can also be controlled.
  • the operating noise of the blower fan and the blower fan driving motor of the vehicle air purifier installed inside the vehicle is relatively quiet. It is difficult for a driver or a passenger to recognize the operating noise of the vehicle air purifier. However, since noise such as wind noise, wind noise, tire noise, or booming noise is not generated when the vehicle is stopped, the driver or passenger starts to sense the operation noise of the vehicle air purifier. Accordingly, the inventor of the present application solves the problem that, when the control unit of the vehicle air purification system recognizes the vehicle's stationary state and switches the driving motor to the minimum noise mode, the operating noise of the vehicle air purification system is annoying to the driver or passengers. I figured it could be solved.
  • the vehicle stop recognition signal may be generated when the engine is turned off by the operation of an idle stop & go (ISG) after the vehicle in motion is stopped.
  • ISG is also called auto stop-and-go or stop-and-go, which is a technology that turns off the engine for a while while the vehicle is stopped and then restarts the engine when starting.
  • the application of the ISG is gradually expanding in order to reduce the soot generated from the engine of the vehicle and reduce fuel consumption.
  • the vehicle stop recognition signal may be generated when the vehicle in motion is stopped and the speed of the speedometer (not shown) indicates “0”.
  • the vehicle in motion is stopped due to waiting for a signal, etc., the engine is started, but the vehicle is stopped, so noise such as wind noise, tire noise, and booming noise generated while driving is not generated, so that the driver or occupant Since it is possible to better hear the operation noise of the vehicle's air purifier, the vehicle's stop recognition signal is generated.
  • the operation of the driving motor 40 of the vehicle air purifier 100 is switched to the minimum noise mode.
  • the minimum noise mode can be achieved by stopping the operation of the driving motor 40 to stop the rotation of the blowing fan 30 .
  • the vehicle enters a place where the vehicle can park or stop, such as a rest area or drowsiness shelter.
  • the time for which the 'vehicle stop recognition signal' according to the present invention is generated is only a fairly short time, the rotation of the blower fan 30 of the vehicle air purifier 100 is stopped during that time. Even if the air purifier 100 does not operate, a phenomenon in which the air quality in the vehicle interior deteriorates does not cause inconvenience to the driver or passengers.
  • the vehicle stop recognition signal according to the present invention is generated relatively frequently due to signal waiting, so the vehicle stop time compared to the total driving time is not very long, so the Even if the rotation of the blower fan 30 of the vehicle air purifier 100 is stopped for a period of time and the air purifier 100 does not operate, the quality of the air in the vehicle deteriorates and the driver or passengers feel uncomfortable. does not
  • noise generated from the air purifier can be completely removed, thereby solving the driver's or occupant's dissatisfaction with the vehicle interior noise. it can be
  • the minimum noise mode can be achieved by converting the operation of the driving motor 40 to the lowest speed.
  • minimum speed driving of the driving motor means that when the vehicle in motion is stopped and the speed of the speedometer indicates "0", the driver or occupant rotates the blower fan of the vehicle air purifier by the engine driving noise of the vehicle. It refers to the operation of a low-speed driving motor at a level that makes it difficult to detect noise.
  • the minimum speed operation of the driving motor of the air purifier for a vehicle may be set differently depending on the vehicle.
  • the speedometer of the vehicle indicating “0” may occur when the vehicle enters a place where the vehicle can park or stop, such as a rest area or a rest area for drowsiness. Therefore, since the time for which the 'vehicle stop recognition signal' according to the present invention is generated is only a fairly short time, the driving motor of the vehicle air purifier operates at the lowest speed during that time, so that the air purifying ability of the air purifier is reduced. Even if it decreases, there is no phenomenon that the driver or passengers feel uncomfortable due to the deterioration of the air quality inside the vehicle.
  • the vehicle stop time compared to the total driving time is not very long. Even if the driving motor of the purifier is operated at the lowest speed and the air purifying ability of the air purifier is reduced, there is no phenomenon in which the driver or passengers feel inconvenience due to deterioration of the air quality in the vehicle interior.
  • the air purifier 100 for a vehicle may be accommodated and mounted in an appropriate location inside the vehicle in a built-in manner or may be installed in an attachable manner.
  • it may be accommodated and mounted on the cover of a console box disposed next to the driver's seat of the vehicle, may be attached to an armrest near the driver's seat, may be embedded in the ceiling of the vehicle, may be mounted on the driver's seat and/or Alternatively, it may be installed in a built-in method or attached to the rear of the passenger seat.
  • it may be attached to the rear of the rear seat seat, may be installed in a manner to be accommodated in the coaster next to the driver's seat, or may be accommodated or attached in other ways.
  • the control unit 50 of the air purifier for a vehicle basically responds to the information of the indoor pollution state (PM 2.5 ultrafine dust concentration standard) transmitted from the fine dust sensor 70 in the vehicle interior. It automatically controls the air volume of the air purification according to it.
  • PM 2.5 ultrafine dust concentration standard the information of the indoor pollution state
  • control unit 50 of the air purifier controls the operation of the blower fan 30 by receiving the vehicle stop recognition signal, and the vehicle stop recognition signal indicates that the ISG operation signal or speedometer speed is “0”. It could be a signal.
  • the vehicle air purifier 100 is automatically operated by sensing the degree of pollution in the interior of the vehicle. is operated in the minimum noise driving mode, but the air purifier 100 for a vehicle of the present invention may be operated manually.
  • FIG. 5 when the operation mode of the air purifier is OFF, the operation of the air purifier is stopped, and when the operation mode is set to AUTO, as shown in FIG. 6 to be described later, the operation of the air purifier is This is done automatically.
  • the operation mode of the air purifier is manual, the air purifier may be operated in the first, second, or third stage by the operation of the driver or the passenger. After manually operating the air purifier for a predetermined time by the manual operation of the driver or passenger, the AUTO operation mode is executed to automatically operate the air purifier.
  • the vehicle may be operated in the AUTO driving mode when the vehicle is initially started, and the driving mode that was operated before turning off the vehicle is stored in the driving mode. can work
  • the fine dust sensor 70 provided in the vehicle air purifying device 100 of the present invention detects the state of the air in the vehicle, and then displays the related state for each air state. . For example, if the amount of PM 2.5 ultrafine dust in the vehicle is less than 15 ⁇ g/m3, it is displayed in blue (good), and when the amount of PM 2.5 ultrafine dust is 16 to 35 ⁇ g/m3, it is displayed in green (normal). ), marked as bad (orange) when the amount of PM 2.5 ultrafine dust is 36 ⁇ 75 ⁇ g/m3, and bad (red) when the amount of PM 2.5 ultrafine dust is 76 ⁇ g/m3 or more.
  • the driver or passenger operates the air purifier 100 at the maximum output (eg, in the power operation mode) to improve the air quality in the vehicle interior within a short time.
  • the normal operation of the air purification apparatus 100 is performed.
  • this AUTO driving mode when a vehicle stop recognition signal (eg, ISG or a signal generated when the vehicle speed is "0") is received by the control unit 50, the blower fan 30 of the air purifier 100 ) is operated in the minimum noise mode.
  • the air purifier 100 for a vehicle includes a filter unit 20 in a housing 10 having one or more air inlets 11 and one or more air outlets 12 . ), a blowing fan 30 , a driving motor 40 and a control unit 50 are provided.
  • the air purifying apparatus 100 for a vehicle according to an embodiment of the present invention may further include a manipulation unit and a display unit 60 , and a fine dust sensor 70 .
  • FIG. 8 is a cross-sectional view taken along line A-A of the vehicle air purifier 100 of FIG. 7 .
  • the filter unit 20 is disposed below the blowing fan 30 and the driving motor 40
  • the air inlet 11 is disposed below the filter unit 20
  • the air outlet (12) may be disposed on the side of the blowing fan (30).
  • the arrangement of each component of the air purifying device 100 of the present invention is not limited to the arrangement shown in FIGS. 7 and 8 and may be arranged in other ways, of course.
  • FIG. 9 is a view showing an air flow direction in the vehicle air purifier 100 of FIG. 7 .
  • the air in the vehicle interior is introduced through the air intake 11 by the suction force of the blower fan 30 , and the air introduced through the air intake 11 passes through the filter unit and then , is discharged into the vehicle interior through the air outlet 12 .
  • the air in the vehicle continues to pass through the filter unit 20 of the air purifier by this air circulation in the vehicle, the air in the vehicle is purified.
  • the housing 10 having an air inlet for sucking air in the interior of the vehicle and an air outlet for discharging air; a filter unit 20 installed in a flow path between the air inlet and the air outlet in the housing to purify the air; a blower fan (30) installed in the flow path between the air inlet and the air outlet in the housing, sucking air from the air inlet and discharging the air to the air outlet; a driving motor 40 installed in the housing and driving the blowing fan; And the control method of the air purifier 100 for a vehicle including a control unit (C) for controlling the operation of the driving motor is performed as follows.
  • a vehicle stop recognition signal is generated (S10) .
  • the ISG of a vehicle is to turn off the engine while the vehicle in motion is temporarily stopped due to waiting for a signal, and then restart the engine when starting. Not only that, but also noises such as wind noise, tire noise, and booming noise generated while driving are not generated.
  • the engine is started, but since the vehicle is stopped, noises such as wind noise, tire noise, and booming noise generated during driving do not occur.
  • step S10 When the vehicle stop signal generated in step S10 is received by the control unit 50, the rotation of the driving motor 40 is stopped to stop the rotation of the blower fan 30 (S20).
  • the time when the vehicle in motion is stopped and the speedometer indicates “0” or the time when the ISG is in operation is not very long compared to the total driving time. Even if the air purifier does not operate due to this stop, it is not a problem because the quality of the air in the vehicle does not deteriorate to the extent that the driver or passengers feel uncomfortable.
  • a vehicle stop recognition signal is generated when 1SG of the vehicle is in operation or when the speed of the vehicle speedometer indicates "0" (S10).
  • the driving motor is converted to the lowest speed and switched to the minimum noise mode (S20).
  • S20 minimum noise mode
  • the time when the vehicle in motion is stopped and the speedometer indicates “0” or the time when the ISG is operating is not very long compared to the total driving time. Even if the air purifying ability of the air purifier is reduced due to driving inside the vehicle, it is not a problem because the quality of the air inside the vehicle does not deteriorate to such an extent that the driver or passengers feel uncomfortable.
  • a driving recognition signal of the vehicle is generated (S30) and when the controller 50 receives it, the air purifier
  • the operation of the driving motor 40 in (100) is switched to the normal operation mode to rotate the blowing fan 30 in the normal operation state.
  • vehicle operation noise including wind noise, wind noise, tire noise, and booming noise, flowing outside the vehicle body while the vehicle is driving, is generated again. It becomes difficult for the driver or passengers to detect the operation noise of the air purifier operating in the air purifier.
  • the present invention when the vehicle in motion temporarily stops or the vehicle in motion temporarily stops due to a signal stop, etc.
  • a signal stop etc.
  • the technical idea of the present invention can be directly applied to a vehicle cooling seat device (or a ventilation seat device).
  • a ventilation seat or cooling seat for a vehicle is equipped with an intake port for sucking air in the seat and an air outlet for exhausting air, and while the driver is sitting on the seat and driving, the air blower is driven by a motor to blow air into the thigh or buttocks of the driver. It is a device that removes sweat and moisture by blowing.
  • the ventilation seat device or cooling seat device for a vehicle is similar to the rotation noise of the blower fan of the vehicle air purifier, and when the vehicle is traveling at a predetermined speed, the driver or occupant rotates the ventilation fan of the cooling seat device (ventilation seat device).
  • the noise is not well recognized, the rotational noise of the ventilation fan of the cooling seat device (ventilated seat device) when the vehicle is in a stationary state is annoying to the ears of the driver or occupants. Therefore, when the present invention is applied to a vehicle cooling seat device (ventilated seat device), it is possible to significantly reduce the driving noise of the vehicle cooling seat device (ventilated seat device) felt by the driver or passenger.

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

Abstract

Un dispositif de purification d'air de véhicule monté à l'intérieur d'un véhicule comprend : un boîtier (10) qui présente un orifice d'aspiration d'air permettant à l'air intérieur du véhicule d'être aspiré à travers celui-ci et un orifice d'évacuation d'air permettant à l'air d'être évacué à travers celui-ci et qui est monté dans l'intérieur du véhicule ; une unité de filtre (20) installée dans un canal de fluide entre l'orifice d'aspiration d'air et l'orifice d'évacuation d'air dans le boîtier pour purifier l'air ; un ventilateur de soufflage (30) installé dans le canal de fluide entre l'orifice d'aspiration d'air et l'orifice d'évacuation d'air dans le boîtier pour aspirer l'air provenant de l'orifice d'aspiration d'air et pour évacuer l'air vers l'orifice d'évacuation d'air ; un moteur d'entraînement (40) qui est installé dans le boîtier et qui entraîne le ventilateur de soufflage ; et une unité de commande (50) qui reconnaît un état d'arrêt de véhicule pour commander une opération du moteur d'entraînement.
PCT/KR2021/004931 2020-05-25 2021-04-20 Dispositif de purification d'air pour véhicule Ceased WO2021241888A1 (fr)

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KR1020200062420A KR102190828B1 (ko) 2020-05-25 2020-05-25 차량용 공기정화장치
KR10-2020-0062420 2020-05-25

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102190828B1 (ko) * 2020-05-25 2020-12-15 (주)미경테크 차량용 공기정화장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10196364A (ja) * 1997-01-07 1998-07-28 Toyota Motor Corp 冷却ファン制御装置
JP2005138627A (ja) * 2003-11-04 2005-06-02 Denso Corp 車両用空気清浄器
KR100652801B1 (ko) * 2005-09-12 2006-12-01 삼성전자주식회사 공기청정기의 정음운전장치 및 그 제어방법
KR100731871B1 (ko) * 2003-06-25 2007-06-25 한국델파이주식회사 차량용 공기청정장치
KR102190828B1 (ko) * 2020-05-25 2020-12-15 (주)미경테크 차량용 공기정화장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10196364A (ja) * 1997-01-07 1998-07-28 Toyota Motor Corp 冷却ファン制御装置
KR100731871B1 (ko) * 2003-06-25 2007-06-25 한국델파이주식회사 차량용 공기청정장치
JP2005138627A (ja) * 2003-11-04 2005-06-02 Denso Corp 車両用空気清浄器
KR100652801B1 (ko) * 2005-09-12 2006-12-01 삼성전자주식회사 공기청정기의 정음운전장치 및 그 제어방법
KR102190828B1 (ko) * 2020-05-25 2020-12-15 (주)미경테크 차량용 공기정화장치

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