JPH0577726A - Ventilating device for rolling stock car and control method thereof - Google Patents
Ventilating device for rolling stock car and control method thereofInfo
- Publication number
- JPH0577726A JPH0577726A JP3239331A JP23933191A JPH0577726A JP H0577726 A JPH0577726 A JP H0577726A JP 3239331 A JP3239331 A JP 3239331A JP 23933191 A JP23933191 A JP 23933191A JP H0577726 A JPH0577726 A JP H0577726A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- pressure
- outside
- blower
- air
- 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.)
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- Ventilation (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、鉄道車両用換気装置に
係り、特に高速でトンネル内を走行する鉄道車両に使用
して好適な鉄道車両用換気装置及びその制御方法に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a railcar ventilation device, and more particularly to a railcar ventilation device suitable for use in a railcar traveling in a tunnel at a high speed and a control method thereof.
【０００２】[0002]
【従来の技術】従来、高速の鉄道車両における換気装置
としては、新幹線電車に用いられているように、車両に
給気装置と排気装置を対で設置し、車内の換気を行うと
同時に車両がトンネル内を高速で走行するときの車内圧
力の急激な変化を防止するようにしている。2. Description of the Related Art Conventionally, as a ventilation system for a high-speed railway vehicle, an air supply system and an exhaust system are installed in a pair in the vehicle to ventilate the inside of the vehicle at the same time as used in a bullet train. It is designed to prevent a sudden change in vehicle interior pressure when traveling at high speed in a tunnel.
【０００３】列車が高速でトンネル内を走行するとトン
ネル内の車外圧力が急激に変化し、この車外圧力の変化
が車内に伝播すると車内圧力も変化する。この車内圧力
の変化幅及び変化速度の大きさが許容限界をこえると、
乗客の耳に不快感を与えるようになる。When a train travels in a tunnel at a high speed, the pressure outside the vehicle changes abruptly, and when the change in pressure outside the vehicle propagates inside the vehicle, the pressure inside the vehicle also changes. If the width of change and the speed of change of the pressure inside the vehicle exceed the allowable limit,
It will make passengers' ears uncomfortable.
【０００４】そこで、車外圧力が変化しても車内圧力が
あまり変化しないように特別な性能をもった送風機を給
・排気装置に使用している。Therefore, a blower having a special performance is used for the air supply / exhaust system so that the pressure inside the vehicle does not change much even if the pressure outside the vehicle changes.
【０００５】具体的な例としては、特公昭５８−９０２
２号公報の第１図にて説明しているように給・排気装置
の送風機として風量−圧力特性の急傾斜のものが使われ
ている。そして、これらの送風機の圧力特性における最
高値（すなわち最高圧力）は、列車がトンネル内を走行
するときに発生する車外圧力の変化の最大値を上回るよ
うに設定される。その理由は、車外圧力の最大変化値
（一般には負圧側への変化が大）が瞬間的に送風機の最
高圧力特性値を越えると、給気用送風機において逆流現
象が発生し、給気用送風機を通って車内の空気が車外に
流出する。排気用送風機での車内空気排出とあわせると
車内空気の車外への流出が急増し、車外空気の車内への
取り込みは零になるため車内の圧力が急低下し、乗客の
耳に不快感を与えることになるからである。As a concrete example, Japanese Patent Publication No. 58-902.
As described in FIG. 1 of Japanese Patent Laid-Open No. 2 publication, a blower for the air supply / exhaust device having a steep slope in air flow-pressure characteristic is used. Then, the maximum value (that is, the maximum pressure) in the pressure characteristics of these blowers is set to exceed the maximum value of the change in the outside pressure that occurs when the train travels in the tunnel. The reason is that when the maximum change value of the outside pressure (generally, the change to the negative pressure side is large) momentarily exceeds the maximum pressure characteristic value of the blower, a backflow phenomenon occurs in the blower for air supply, and the blower for air supply is generated. The air inside the vehicle flows out through the vehicle. Combined with the exhaust of air inside the vehicle with the exhaust blower, the outflow of air inside the vehicle will rapidly increase, and the intake of outside air into the vehicle will be zero, so the pressure inside the vehicle will drop sharply and the passengers' ears will be discomforted. Because it will be.
【０００６】ところが、列車速度をさらに増そうとする
と、上記のトンネル内における車外圧力の変化が増大す
るため、さらに、圧力特性の大きな送風機が必要にな
る。However, if the train speed is further increased, the change in the vehicle exterior pressure inside the tunnel increases, so that a blower having a larger pressure characteristic is required.
【０００７】一般に、送風機の圧力特性はランナー直径
及び回転数の増大につれて上昇する傾向があるため、圧
力特性の大きな送風機を用いるということは、とりもな
おさず送風機の大形化，高速化を必要とすることを意味
する。そして、送風機の大形化，高速化は換気装置全体
の大形化，高価格化，及び消費電力の増大，騒音増大を
招くという問題があった。Generally, the pressure characteristic of a blower tends to increase as the runner diameter and the number of revolutions increase. Therefore, using a blower having a large pressure characteristic requires the blower to be upsized and speeded up. Means to. Further, there has been a problem that the increase in the size and speed of the blower causes the size of the entire ventilation device to increase, the cost to increase, the power consumption to increase, and the noise to increase.
【０００８】また、別の方法として列車がトンネル内を
通過するときには換気装置の給・排気流路を遮断する方
式があるが、この方法によればトンネルの多い路線では
換気量の絶対値が不足して車内のＣＯ2濃度が上昇した
り、Ｏ2濃度が低下したりするという問題があった。As another method, there is a method of shutting off the air supply / exhaust flow path of the ventilation device when the train passes through the tunnel. However, this method has a shortage of the absolute value of the ventilation amount on the route with many tunnels. Then, there is a problem that the CO 2 concentration in the vehicle increases or the O 2 concentration decreases.
【０００９】さらに、別の方法として給・排気送風機の
入口あるいは出口に絞り弁を設け、車内外圧力により絞
り弁の開度を制御する方式があるが、例えば、車外圧力
が送風機の最高圧力を超えて負圧になる場合、排気送風
機は風量が大幅に増加し、給気送風機は風量が減少す
る。この結果、車外圧力の変化過程においては給排気風
量のアンバランスを抑制しようと給気側の絞り弁を開
き、排気側の絞り弁を閉じようとする。しかし、絞り弁
が完全に閉じられるまでの間（車外圧力が送風機の最高
圧力を超えているので、最終的には全閉になる）、アン
バランスは発生し続けており車内圧力は負圧側に変化す
る。つまり、制御の過渡状態では大きな風量のアンバラ
ンスが発生する。この過渡的な風量のアンバランスは制
御系の遅れ等を勘案すると抑制するのは困難であり、車
内圧力の急激な低下原因となる問題があった。Further, as another method, there is a system in which a throttle valve is provided at the inlet or outlet of the air supply / exhaust blower and the opening of the throttle valve is controlled by the pressure inside and outside the vehicle. For example, the pressure outside the vehicle determines the maximum pressure of the blower. When the negative pressure is exceeded, the air volume of the exhaust blower increases significantly, and the air volume of the air supply blower decreases. As a result, in the process of changing the pressure outside the vehicle, the throttle valve on the air supply side is opened and the throttle valve on the exhaust side is closed in order to suppress the imbalance of the supply / exhaust air volume. However, until the throttle valve is completely closed (the pressure outside the vehicle exceeds the maximum pressure of the blower, it eventually becomes fully closed), unbalance continues to occur, and the pressure inside the vehicle is on the negative pressure side. Change. That is, a large air flow unbalance occurs in the control transient state. It is difficult to suppress this transient imbalance of the air volume in consideration of the delay of the control system, etc., and there is a problem that causes a rapid decrease in the vehicle interior pressure.
【００１０】[0010]
【発明が解決しようとする課題】上記従来技術は、トン
ネル内での車外圧力変動値が送風機の最大圧力以下であ
っても、過渡的には車外圧力変動による給排気送風機の
風量のアンバランスを防止することはできず、車内の圧
力は車外圧力の大きさにほぼ比例して変化する。その結
果、大なり小なり乗客の耳に不快感を与えることにな
る。In the above-mentioned prior art, even if the value of the pressure variation outside the vehicle inside the tunnel is less than the maximum pressure of the blower, the air volume of the air supply / exhaust blower is transiently changed due to the pressure variation outside the vehicle. It cannot be prevented, and the pressure inside the vehicle changes almost in proportion to the magnitude of the pressure outside the vehicle. As a result, the passengers' ears will be more or less unpleasant.
【００１１】本発明の目的は、車両のトンネル内高速走
行時において、流路切替弁により１台の送風機を車外圧
力に応じて給気あるいは排気専用送風機とすることで、
風量のアンバランスが発生しない換気システムとし、車
内圧力の急変を防止するものであり、乗客にとって快適
な室内空間が確保できる車両用換気装置を提供すること
にある。It is an object of the present invention to use a single blower as an air blower or an exhaust blower depending on the pressure outside the vehicle by means of a flow path switching valve during high speed running in a tunnel of a vehicle.
(EN) Provided is a ventilation system for a vehicle, which has a ventilation system that does not cause an imbalance in air flow, prevents sudden changes in vehicle interior pressure, and can ensure a comfortable indoor space for passengers.
【００１２】[0012]
【課題を解決するための手段】上記目的を達成するため
に、１台の送風機の吐き出し口及び吸い込み口にそれぞ
れ流路切替弁を設けると共に、車内と車外を連通させた
ダクト途上に絞り弁を設け、該絞り弁の開度及び流路切
替弁の流路切替えを圧力センサで検出した車外圧力の値
により制御するようにしたものである。In order to achieve the above object, a flow path switching valve is provided at each of the discharge port and the suction port of one blower, and a throttle valve is provided on the way of a duct communicating the inside and outside of the vehicle. The opening degree of the throttle valve and the passage switching of the passage switching valve are controlled by the value of the vehicle exterior pressure detected by the pressure sensor.
【００１３】[0013]
【作用】一般に、車外圧力が大きく変動するのはトンネ
ル内での車両すれ違い時であり、しかも、その絶対値が
大きいのは負圧側である。よって、車内圧力の急低下を
防止するには車外圧力の変動を圧力センサで検出して、
排気は行わず給気のみを行うようにすれば良い。つま
り、車内圧力の急激な低下を防止するためには送風機は
給気用の１台だけの方が良いのである。In general, the pressure outside the vehicle fluctuates greatly when the vehicle passes each other in the tunnel, and the absolute value thereof is large on the negative pressure side. Therefore, in order to prevent a sudden drop in vehicle interior pressure, the pressure sensor detects changes in vehicle exterior pressure,
It suffices to perform only air supply without exhausting air. In other words, in order to prevent a sudden drop in the vehicle interior pressure, it is better to use only one blower for air supply.
【００１４】そこで、１台の送風機を流路切替弁により
給気用送風機と排気用送風機の二通りに使い分け、車外
圧力が正圧の場合は排気用として、負圧の場合は給気用
として使用するようにする。そして、車内の換気は車体
に開けた車内外連通ダクトを通して車内外の圧力差によ
る自然換気で行うようにし、絞り弁の開度により車内圧
力を調節する。Therefore, one blower is selectively used as a blower for air supply and a blower for exhaust air by a flow path switching valve, and is used for exhaust when the outside pressure is positive pressure, and for air supply when the outside pressure is negative pressure. Try to use it. Ventilation inside the vehicle is performed by natural ventilation due to a pressure difference between the inside and outside of the vehicle through a communication duct inside and outside the vehicle body, and the inside pressure of the vehicle is adjusted by the opening of the throttle valve.
【００１５】ここで、車内外連通ダクトの開口面積は、
車外が大気圧状態で送風機の風量と開口部から流出ある
いは流入する風量が乗客の耳に不快感を与えない車内圧
力でバランスする程度の開口面積とする。Here, the opening area of the communication duct inside and outside the vehicle is
The opening area is such that the air volume outside the vehicle is at atmospheric pressure and the air volume flowing out or flowing in from the opening is balanced by the pressure inside the vehicle that does not cause discomfort to the passengers' ears.
【００１６】また、トンネル内の車両すれ違い時のよう
に車外圧力が送風機の最高圧力を超えて負圧になる場合
には、流路切替弁により通風ダクトは遮断され送風機は
バイパス流路により閉サイクル運転となる。また、車内
外連通ダクトも絞り弁により締め切られる。よって、車
体は気密状態となり車外圧力の変動による車内圧力の変
化を防止できる。When the pressure outside the vehicle exceeds the maximum pressure of the blower and becomes a negative pressure, such as when the vehicles pass each other in a tunnel, the ventilation duct is blocked by the passage switching valve and the blower is closed by the bypass passage. It will be driving. The communication duct inside and outside the vehicle is also closed by the throttle valve. Therefore, the vehicle body is in an airtight state, and it is possible to prevent changes in the vehicle interior pressure due to changes in the vehicle exterior pressure.
【００１７】[0017]
【実施例】以下、本発明の一実施例を図１ないし図５に
示す実施例により詳細に説明する。ここで、図１は本発
明による車両用換気装置の給気系統図、図２は車両用換
気装置の排気系統図、図３は通風ダクトを締め切った状
態を示した図、図４は車両用換気装置の流路切替弁と絞
り弁の制御アルゴリズムを示した図、図５は本車両用換
気装置の制御フローチャートを示した図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the embodiments shown in FIGS. Here, FIG. 1 is an air supply system diagram of a vehicle ventilation device according to the present invention, FIG. 2 is an exhaust system diagram of a vehicle ventilation device, FIG. 3 is a diagram showing a state in which a ventilation duct is closed, and FIG. The figure which showed the control algorithm of the flow-path switching valve and throttle valve of a ventilation device, and FIG. 5 is the figure which showed the control flowchart of this vehicle ventilation device.
【００１８】図１において、１は車体、２は送風機によ
り車体に給排気を行うための通風ダクト、３は給排気兼
用の送風機、４，５は送風機３の吸い込み口，吐き出し
口にそれぞれ設けた流路切替弁、６，７は流路切替弁
４，５を動作させるためのアクチュエータである。８は
車内外圧力差により給気あるいは排気を行うための車内
外連通ダクト、９は前記車内外連通ダクト８の流量を調
節するための絞り弁、１０は絞り弁９を動作させるため
のアクチュエータ、１１は車外圧力センサ１２で検出し
た圧力値によって流路切替弁４，５と絞り弁９を動作さ
せるアクチュエータ６，７，１０の運転を制御する制御
装置である。In FIG. 1, 1 is a vehicle body, 2 is a ventilation duct for supplying / exhausting air to / from the vehicle body by a blower, 3 is a blower that also serves as an air supply / exhaust, and 4 and 5 are provided at a suction port and a discharge port of the blower 3, respectively. Flow path switching valves 6 and 7 are actuators for operating the flow path switching valves 4 and 5. Reference numeral 8 denotes a vehicle interior / exterior communication duct for supplying or exhausting air according to the vehicle interior / exterior pressure difference, 9 a throttle valve for adjusting the flow rate of the vehicle interior / exterior communication duct 8, 10 an actuator for operating the throttle valve 9, Reference numeral 11 is a control device for controlling the operation of actuators 6, 7, 10 for operating the flow path switching valves 4, 5 and the throttle valve 9 according to the pressure value detected by the vehicle exterior pressure sensor 12.
【００１９】本図は給気状態を示した図であり、送風機
３は流路切替弁４，５により車外より新鮮空気を取り入
れて車内に送風するダクトの連絡状態になっている。車
内に送風された新鮮空気は、汚れた空気と入り混じった
後、車内外連通ダクト８を通って車外に自然排出され
る。This figure is a view showing an air supply state, and the blower 3 is in a connected state of a duct for taking in fresh air from outside the vehicle by the flow path switching valves 4 and 5 and blowing it into the vehicle. The fresh air blown into the vehicle mixes with the dirty air and then is naturally discharged to the outside of the vehicle through the vehicle interior / exterior communication duct 8.
【００２０】図２は送風機３を排気用に切り替えた状態
を示した図であり、流路切替弁４，５により送風機３は
車内の汚れた空気を車外へ排出するダクトの連絡状態に
なっている。この時、車外の新鮮な空気は車内外の圧力
差により車内外連通ダクト８を通って自然供給される。
図３は車外圧力が送風機３の最高圧力を超えた場合で、
流路切替弁４，５により通風ダクト２は車外と車内が締
め切られ、送風機３はバイパス運転される。この時、絞
り弁９も締め切られ車内は完全に気密状態となる。FIG. 2 is a view showing a state in which the blower 3 is switched to exhaust, and the flow passage switching valves 4 and 5 bring the blower 3 into a connected state of a duct for discharging dirty air inside the vehicle to the outside of the vehicle. There is. At this time, the fresh air outside the vehicle is naturally supplied through the communication duct 8 inside and outside the vehicle due to the pressure difference inside and outside the vehicle.
Figure 3 shows the case where the pressure outside the vehicle exceeds the maximum pressure of the blower 3,
The passage ducts 2 and 5 close off the inside and outside of the ventilation duct 2, and the blower 3 is operated by bypass. At this time, the throttle valve 9 is also closed and the inside of the vehicle is completely airtight.
【００２１】次に、以上の切り替えを図４の制御アルゴ
リズムにより説明する。車外圧力が正圧の場合、通風ダ
クト２は流路切替弁４，５により送風機３が排気用とな
るべく切り替えられ、車内圧力は絞り弁９の開度により
調節される。明かり区間走行中は絞り弁９は全開であ
り、トンネル内走行中の車外圧力変動幅によって絞り量
を変化させる。つまり、車外圧力が正圧側に大きく変化
した場合、排気送風機の風量は減少し、連通ダクトより
取り込まれる風量は一時的に増加するため絞り弁の開度
を絞る。反対に車外圧力が負圧に大きく変化した場合
は、送風機は給気用に切り替えられるが、車外圧力が負
圧のため風量は減少しており、一方、連通ダクトにより
車外に排出される風量は一時的に増加するため絞り弁は
開度が絞られる。Next, the above switching will be described with reference to the control algorithm of FIG. When the pressure outside the vehicle is positive, the ventilation duct 2 is switched by the flow path switching valves 4 and 5 so that the blower 3 is for exhaust, and the pressure inside the vehicle is adjusted by the opening degree of the throttle valve 9. The throttle valve 9 is fully opened during traveling in the light section, and the throttle amount is changed depending on the pressure variation range outside the vehicle during traveling in the tunnel. That is, when the pressure outside the vehicle largely changes to the positive pressure side, the air volume of the exhaust blower decreases and the air volume taken in from the communication duct temporarily increases, so the opening of the throttle valve is throttled. On the contrary, when the outside pressure changes significantly to negative pressure, the blower is switched to air supply, but the outside pressure is negative and the air volume is decreasing.On the other hand, the air volume discharged outside the vehicle by the communication duct is The opening of the throttle valve is throttled because it temporarily increases.
【００２２】以上の制御アルゴリズムを図５に示したフ
ローチャートにより詳細に説明する。制御装置が車外圧
力センサにより車外圧力を検出すると、まず送風機の最
高圧力以上かどうかを判定し、最高圧力以上であれば流
路切替弁を通風ダクトが締切りになるように動作させ
る。最高圧力以下であれば車外圧力が正圧か負圧かによ
って送風機を給気用あるいは排気用に切り替える。ここ
までの動作がＦ１からＦ６に示すフローである。次に、
車外圧力の大きさに応じて、絞り弁の開度を全開から全
閉まで操作する。ここまでの動作がＦ７からＦ１５に示
すフローである。The above control algorithm will be described in detail with reference to the flow chart shown in FIG. When the control device detects the pressure outside the vehicle by the pressure sensor outside the vehicle, first, it is determined whether the pressure is equal to or higher than the maximum pressure of the blower. If the pressure is lower than the maximum pressure, the blower is switched between air supply and exhaust depending on whether the external pressure is positive or negative. The operation up to this point is the flow shown in F1 to F6. next,
Operate the throttle valve from full open to full close according to the amount of external pressure. The operation up to this point is the flow shown from F7 to F15.
【００２３】以上の制御により車内圧力は乗客が不快感
を感じない程度に押えられ、トンネル内高速走行時にお
いても車内の快適度を保持できる。By the above control, the passenger pressure can be suppressed to the extent that passengers do not feel uncomfortable, and the comfort level inside the vehicle can be maintained even when traveling at high speed in the tunnel.
【００２４】[0024]
【発明の効果】以上説明したように本発明によれば、簡
単な構成で車両の高速走行時における車外圧力変動の車
内への伝播を抑制して快適な室内空間を確保できる。As described above, according to the present invention, it is possible to secure a comfortable indoor space by suppressing the propagation of the pressure variation outside the vehicle when the vehicle is traveling at high speed with a simple structure.
【図１】本発明による車両用換気装置の給気系統図であ
る。FIG. 1 is an air supply system diagram of a vehicle ventilation device according to the present invention.
【図２】本発明による車両用換気装置の排気系統図であ
る。FIG. 2 is an exhaust system diagram of a vehicle ventilation device according to the present invention.
【図３】本発明による車両用換気装置の締め切り状態を
示した図である。FIG. 3 is a diagram showing a deadline state of the vehicle ventilation device according to the present invention.
【図４】車両用換気装置の制御アルゴリズムを示した図
である。FIG. 4 is a diagram showing a control algorithm of a vehicle ventilation device.
【図５】車両用換気装置の制御フローチャートを示した
図である。FIG. 5 is a diagram showing a control flowchart of a vehicle ventilation device.
２…通風ダクト、３…送風機、４，５…流路切替弁、８
…車内外連通ダクト、９…絞り弁、１２…車外圧力セン
サ、１１…制御装置。2 ... Ventilation duct, 3 ... Blower, 4, 5 ... Flow path switching valve, 8
... communications duct inside and outside the vehicle, 9 ... throttle valve, 12 ... pressure sensor outside the vehicle, 11 ... control device.
Claims (3)
は車内の汚れた空気を車外に排出する給排気兼用送風
機、送風機の出入口に設けた流路切替弁、車内外の圧力
差によって自然排出あるいは自然吸入するための連通ダ
クト、前記連通ダクトの風量を調節するための絞り弁、
車外の圧力を検出して前記流路切替弁及び絞り弁の動作
を制御する制御装置からなることを特徴とする車両用換
気装置。1. A blower for both air supply and exhaust that takes in fresh air outside the vehicle or discharges dirty air inside the vehicle to the outside of the vehicle, a flow path switching valve provided at the inlet and outlet of the blower, and natural discharge due to the pressure difference between the inside and outside of the vehicle. A communication duct for naturally inhaling, a throttle valve for adjusting the air volume of the communication duct,
A ventilation device for a vehicle, comprising a control device for detecting the pressure outside the vehicle and controlling the operations of the flow path switching valve and the throttle valve.
風機が給気となるように流路を切替え、車外圧力が正圧
の場合は送風機が排気となるように切替えると共に、車
外圧力が送風機の最大圧力を超えた場合は通風ダクトの
車内外の連絡を絶つように流路切替弁を切替えることを
特徴とする車両用換気装置の制御方法。2. When the outside pressure is a negative pressure than the atmospheric pressure, the flow path is switched so that the blower becomes an air supply, and when the outside pressure is a positive pressure, the blower is changed to an exhaust air, and the outside pressure is also changed. When the maximum pressure of the blower exceeds the maximum pressure of the blower, the flow path switching valve is switched so as to disconnect the inside and outside of the ventilation duct from the inside of the vehicle, and the method for controlling the ventilation device for a vehicle.
度を車外圧力の変動幅に応じて段階的あるいは連続的に
絞ると共に、車外圧力が送風機の最大圧力を超えた場合
は全閉となるように制御することを特徴とする車両用換
気装置の制御方法。3. The opening of a throttle valve installed in a blower for both supply and exhaust air is reduced stepwise or continuously according to the fluctuation range of the outside pressure, and is fully closed when the outside pressure exceeds the maximum pressure of the blower. A method of controlling a ventilation device for a vehicle, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3239331A JPH0577726A (en) | 1991-09-19 | 1991-09-19 | Ventilating device for rolling stock car and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3239331A JPH0577726A (en) | 1991-09-19 | 1991-09-19 | Ventilating device for rolling stock car and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0577726A true JPH0577726A (en) | 1993-03-30 |
Family
ID=17043140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3239331A Pending JPH0577726A (en) | 1991-09-19 | 1991-09-19 | Ventilating device for rolling stock car and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0577726A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5647793A (en) * | 1994-12-22 | 1997-07-15 | Gec Alsthom Transport Sa | Apparatus and method for preventing sudden changes of pressure in vehicles |
| WO2003048650A1 (en) * | 2001-12-07 | 2003-06-12 | Daikin Industries, Ltd. | Ventilator and air conditioner |
| US6638036B1 (en) | 1999-01-12 | 2003-10-28 | Hitachi, Ltd. | Method of manufacturing ventilating device and the ventilating device |
| AU2004210611B2 (en) * | 2001-12-07 | 2005-05-05 | Daikin Industries, Ltd. | Ventilator and air conditioner |
| CN107878487A (en) * | 2017-10-27 | 2018-04-06 | 中车南京浦镇车辆有限公司 | The exhaust system of motor-car, Passenger Vehicle air-conditioning |
| JP2022010649A (en) * | 2020-06-29 | 2022-01-17 | 櫻護謨株式会社 | Vehicle and switching method |
-
1991
- 1991-09-19 JP JP3239331A patent/JPH0577726A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5647793A (en) * | 1994-12-22 | 1997-07-15 | Gec Alsthom Transport Sa | Apparatus and method for preventing sudden changes of pressure in vehicles |
| US6638036B1 (en) | 1999-01-12 | 2003-10-28 | Hitachi, Ltd. | Method of manufacturing ventilating device and the ventilating device |
| WO2003048650A1 (en) * | 2001-12-07 | 2003-06-12 | Daikin Industries, Ltd. | Ventilator and air conditioner |
| AU2002335534B2 (en) * | 2001-12-07 | 2004-10-07 | Daikin Industries, Ltd. | Ventilator and air conditioner |
| AU2004210611B2 (en) * | 2001-12-07 | 2005-05-05 | Daikin Industries, Ltd. | Ventilator and air conditioner |
| CN100425920C (en) * | 2001-12-07 | 2008-10-15 | 大金工业株式会社 | Ventilator and air conditioner |
| CN107878487A (en) * | 2017-10-27 | 2018-04-06 | 中车南京浦镇车辆有限公司 | The exhaust system of motor-car, Passenger Vehicle air-conditioning |
| JP2022010649A (en) * | 2020-06-29 | 2022-01-17 | 櫻護謨株式会社 | Vehicle and switching method |
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