JP2010156276A - Air cleaner and air filter system - Google Patents

Air cleaner and air filter system Download PDF

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Publication number
JP2010156276A
JP2010156276A JP2008335144A JP2008335144A JP2010156276A JP 2010156276 A JP2010156276 A JP 2010156276A JP 2008335144 A JP2008335144 A JP 2008335144A JP 2008335144 A JP2008335144 A JP 2008335144A JP 2010156276 A JP2010156276 A JP 2010156276A
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air
air introduction
case member
filter element
introduction part
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Yukihito Narita
幸仁 成田
Yasutomo Yamamoto
保智 山本
Shuichi Sakotsubo
修一 迫坪
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NIPPON DONARUDOSON KK
Mitsubishi Fuso Truck and Bus Corp
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NIPPON DONARUDOSON KK
Mitsubishi Fuso Truck and Bus Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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Abstract

<P>PROBLEM TO BE SOLVED: To provide an air cleaner and an air filter system wherein swirling flow is caused in the air passing through an air-inlet part so as to improve performance of removing moisture in the air. <P>SOLUTION: The air cleaner 100 includes: a case member provided with the air-inlet part and an air-exhaust part; a filter element 105 which is held within the case member between the air-inlet part and the air-exhaust part so as to filter the air which is inlet from the air-inlet part and exhausted from the air-exhaust part; a drainage part which is provided around the peripheral wall of the case member between the air-inlet part and the filter element; and a vane part 110 provided in the air-inlet part so as to produce swirling flow in the air passing through the air-inlet part. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、空気の清浄化技術に関するものである。   The present invention relates to an air cleaning technique.

空気中の塵や埃といった粉塵を除去するエアクリーナでは、空気中に水分が多く含まれていると、フィルタエレメントの粉塵の除去機能が低下する場合がある。また、内燃機関の吸気をろ過する場合、吸気中に水分が多く含まれていると内燃機関に悪影響を及ぼす場合がある。そこで、空気中の水分を除去する技術が提案されている（特許文献１及び２）。   In an air cleaner that removes dust such as dust and dust in the air, if the air contains a large amount of moisture, the dust removal function of the filter element may deteriorate. In addition, when filtering the intake air of the internal combustion engine, if the intake air contains a lot of water, the internal combustion engine may be adversely affected. Therefore, techniques for removing moisture in the air have been proposed (Patent Documents 1 and 2).

特許第３３６５１７７号公報Japanese Patent No. 3365177 特開平８−１７０５６７号公報JP-A-8-170567

特許文献１及び２に開示された技術においても一定の水分除去効果があるが、なお改善の余地がある。   The techniques disclosed in Patent Documents 1 and 2 also have a certain moisture removal effect, but there is still room for improvement.

本発明の目的は、空気中の水分の除去性能を向上することにある。   An object of the present invention is to improve the performance of removing moisture in the air.

本発明によれば、空気導入部と空気排出部とを備えたケース部材と、前記空気導入部と前記空気排出部との間において前記ケース部材内に収納され、前記空気導入部から導入されて前記空気排出部から排出される空気をろ過するフィルタエレメントと、前記空気導入部と前記フィルタエレメントの間において、前記ケース部材の周壁に設けられた排水部と、前記空気導入部に設けられ、前記空気導入部を通過する空気に旋回流を生じさせる羽根部と、を備えたことを特徴とするエアクリーナが提供される。   According to the present invention, a case member provided with an air introduction part and an air discharge part, and housed in the case member between the air introduction part and the air discharge part, and introduced from the air introduction part. A filter element for filtering the air discharged from the air discharge part, a drain part provided on a peripheral wall of the case member between the air introduction part and the filter element, and provided in the air introduction part, There is provided an air cleaner comprising: a blade portion that generates a swirling flow in the air passing through the air introduction portion.

また、本発明によれば、エアクリーナと、ダクト部材と、を備えた空気ろ過システムにおいて、前記エアクリーナが、第１空気導入部と第１空気排出部とを備えたケース部材と、前記第１空気導入部と前記第１空気排出部との間において前記ケース部材内に収納され、前記第１空気導入部から導入されて前記空気排出部から排出される空気をろ過するフィルタエレメントと、前記第１空気導入部と前記フィルタエレメントの間において、前記ケース部材の周壁に設けられた第１排水部と、前記第１空気導入部に設けられ、前記空気導入部を通過する空気に旋回流を生じさせる羽根部と、を備え、前記ダクト部材が、第２空気導入部と、前記ダクト部材の端部に設けられ、前記第１空気導入部に接続される第２空気排出部と、前記ダクト部材の前記端部に設けられた第２排水部と、を備えたことを特徴とする空気ろ過システムが提供される。   According to the present invention, in the air filtration system including an air cleaner and a duct member, the air cleaner includes a case member including a first air introduction portion and a first air discharge portion, and the first air. A filter element that is housed in the case member between the introduction portion and the first air discharge portion, and that filters air introduced from the first air introduction portion and discharged from the air discharge portion; Between the air introduction part and the filter element, a first drainage part provided on the peripheral wall of the case member, and a first swirl part provided on the first air introduction part, causing a swirl flow to occur in the air passing through the air introduction part. A blade portion, and the duct member is provided at a second air introduction portion, an end portion of the duct member, and connected to the first air introduction portion. A second water discharge portion provided on the serial end, an air filtration system comprising the provided.

本発明によれば、空気中の水分の除去性能を向上することができる。   According to the present invention, the performance of removing moisture in the air can be improved.

図１は本発明の一実施形態に係る空気ろ過システムＡの斜視図、図２は本発明の一実施形態に係るエアクリーナ１００の斜視図、図３は図１の線Ｘ−Ｘに沿う断面図である。空気ろ過システムＡは、エアクリーナ１００とダクト部材２００と、を備える。本実施形態の場合、空気ろ過システムＡは、トラックに搭載されて、エンジンの吸気をろ過するシステムである。しかし、本発明は他の分野にも適用可能である。   1 is a perspective view of an air filtration system A according to an embodiment of the present invention, FIG. 2 is a perspective view of an air cleaner 100 according to an embodiment of the present invention, and FIG. 3 is a sectional view taken along line XX in FIG. It is. The air filtration system A includes an air cleaner 100 and a duct member 200. In the case of the present embodiment, the air filtration system A is a system that is mounted on a truck and filters engine intake air. However, the present invention is applicable to other fields.

エアクリーナ１００は、ケース部材１０１を備える。ケース部材１０１は、断面が略楕円形状の筒状体であるが、その形状はこれに限られるものではない。ケース部材１０１は、空気導入側部材１０１ａと、空気排出側部材１０１ｂと、を不図示のクランプで互いに固定して構成される。   The air cleaner 100 includes a case member 101. The case member 101 is a cylindrical body having a substantially elliptical cross section, but the shape is not limited to this. The case member 101 is configured by fixing an air introduction side member 101a and an air discharge side member 101b to each other with a clamp (not shown).

空気導入側部材１０１ａには空気導入部１０２が形成されている。本実施形態の場合、空気導入部１０２は円筒状をなしている。空気導入部１０２には、空気導入部１０２を通過する空気に旋回流を生じさせる羽根部１１０が設けられている。本実施形態の場合、羽根部１１０は、空気導入部１０２の軸線ＣＬ上に位置し、先端が閉じた円筒状の中心軸部１１１と、中心軸部１１１から放射状に形成され、中心軸部１１１と空気導入部１０２の内周面とを接続する複数のブレード部１１２と、を備える。ブレード部１１２は板状をなし、その傾斜により空気導入部１０２を通過する空気に軸線ＣＬ回りの旋回流を生じさせる。特に、本実施形態では、中心軸部１１１を設けたことにより、軸線ＣＬ回りの旋回流の発生を促進することができる。   An air introduction portion 102 is formed in the air introduction side member 101a. In the present embodiment, the air introduction part 102 has a cylindrical shape. The air introduction part 102 is provided with a blade part 110 that generates a swirling flow in the air passing through the air introduction part 102. In the case of the present embodiment, the blade portion 110 is located on the axis CL of the air introduction portion 102 and is formed radially from the cylindrical central shaft portion 111 with the tip closed and the central shaft portion 111. And a plurality of blade portions 112 that connect the inner peripheral surface of the air introduction portion 102. The blade portion 112 has a plate shape, and causes the air passing through the air introduction portion 102 to generate a swirling flow around the axis CL due to its inclination. In particular, in the present embodiment, the provision of the central shaft portion 111 can promote the generation of a swirling flow around the axis line CL.

空気排出側部材１０１ｂにはエンジンの吸気系（不図示）に接続される空気排出部１０３が形成されている。本実施形態の場合、空気排出部１０３は円筒状をなしている。本実施形態の場合、空気排出部１０３はケース部材１０１の側方を指向している。   The air discharge side member 101b is formed with an air discharge portion 103 connected to an intake system (not shown) of the engine. In the case of the present embodiment, the air discharge unit 103 has a cylindrical shape. In the case of this embodiment, the air discharge part 103 is directed to the side of the case member 101.

ケース部材１０１の内部空間にはフィルタエレメント１０５が収納されている。フィルタエレメント１０５は空気導入部１０２と空気排出部１０３との間に配置されており、空気導入部１０２からケース部材１０１の内部に導入されて空気排出部１０３から排出される空気をろ過する。フィルタエレメント１０５は主として、空気中の粉塵を除去する。   A filter element 105 is accommodated in the internal space of the case member 101. The filter element 105 is disposed between the air introduction part 102 and the air discharge part 103, and filters the air introduced from the air introduction part 102 into the case member 101 and discharged from the air discharge part 103. The filter element 105 mainly removes dust in the air.

ケース部材１０１の内部は、ろ過される空気の流れ方向で見てフィルタエレメント１０５の上流側には未ろ過の空気が流通する空間Ｓ１が、下流側にはろ過済みの空気が流通する空間Ｓ２が形成される。   The interior of the case member 101 is a space S1 in which unfiltered air circulates upstream of the filter element 105 when viewed in the flow direction of air to be filtered, and a space S2 in which filtered air circulates downstream. It is formed.

空気導入側部材１０１ａには、また、排水部１０４が設けられている。排水部１０４は空間Ｓ１を画定する空気導入側部材１０１ａの周壁、つまり、空気導入部１０２とフィルタエレメント１０５の間の周壁に形成されている。本実施形態の場合、排水部１０４は、空気導入側部材１０１ａと一体的に形成された管状の部材１０４ａに、先端がくちばし状のゴム部材１０４ｂを被覆して、逆流を防止した排水弁を構成している。排水部１０４は、トラックへの空気ろ過システムＡの組み付け状態で下方となる位置に設けられており、空間Ｓ１内の水滴等がこの排水部１０４を介して外部に排出される。   The air introduction side member 101 a is also provided with a drainage part 104. The drainage portion 104 is formed on the peripheral wall of the air introduction side member 101a that defines the space S1, that is, the peripheral wall between the air introduction portion 102 and the filter element 105. In the case of the present embodiment, the drainage portion 104 constitutes a drainage valve in which a tubular member 104a formed integrally with the air introduction side member 101a is covered with a beak-shaped rubber member 104b to prevent backflow. is doing. The drainage unit 104 is provided at a lower position when the air filtration system A is assembled to the truck, and water droplets and the like in the space S1 are discharged to the outside through the drainage unit 104.

空気導入側部材１０１ａには、また、仕切り壁部材１０６が設けられている。仕切り壁部材１０６は、漏斗状をなし、空気導入部１０２とフィルタエレメント１０５の間のケース部材１０１の内部空間を、軸線ＣＬの径方向で内側の空間Ｓ１１と、軸線ＣＬの径方向で外側のリング状の空間Ｓ１２と、に仕切る。空間Ｓ１１及びＳ１２は、共に空気導入部１０２と連通しているが、空間Ｓ１２は下流側で閉じている。   A partition wall member 106 is also provided on the air introduction side member 101a. The partition wall member 106 has a funnel shape, and an internal space of the case member 101 between the air introduction portion 102 and the filter element 105 is formed in an inner space S11 in the radial direction of the axis CL and an outer space in the radial direction of the axis CL. It is partitioned into a ring-shaped space S12. The spaces S11 and S12 are both in communication with the air introduction unit 102, but the space S12 is closed on the downstream side.

次に、ダクト部材２００について説明する。ダクト部材２００は中空体であり、トラックへの空気ろ過システムＡの組み付け状態で上方となる上端部２００ａと、下方となる下端部２００ｂと、を有する。上端部２００ａから中ほどにかけてダクト部材２００の側部には、空気導入部２０１が形成されている。空気導入部２０１は、本実施形態の場合、ルーバー状に形成されている。   Next, the duct member 200 will be described. The duct member 200 is a hollow body, and has an upper end portion 200a which is an upper side and a lower end portion 200b which is a lower side when the air filtration system A is assembled to a truck. An air introduction portion 201 is formed on the side portion of the duct member 200 from the upper end portion 200a to the middle. In the case of this embodiment, the air introduction part 201 is formed in a louver shape.

ダクト部材２００の下端部２００ｂの側部には空気排出部２０２が形成されている。本実施形態の場合、空気排出部２０２は、エアクリーナ１００の空気導入部１０２よりも大径の円筒状をなし、空気導入部１０２が内側に嵌め込まれて両者が接続される。ダクト部材２００の下端部２００ｂの底部には排水部２０３が設けられている。本実施形態の場合、排水部２０３は円筒状をなし、ダクト部材２００と一体に形成されている。ダクト部材１内の水滴等はこの排水部２０３を介して外部に排出される。下端部２００ｂの底部は、排水部２０３側が低くなるように傾斜しており、排水部２０３側へ水が集まるようにしている。   An air discharge portion 202 is formed on the side portion of the lower end portion 200 b of the duct member 200. In the case of this embodiment, the air discharge part 202 has a cylindrical shape larger in diameter than the air introduction part 102 of the air cleaner 100, and the air introduction part 102 is fitted inside to connect them. A drainage portion 203 is provided at the bottom of the lower end portion 200 b of the duct member 200. In the case of this embodiment, the drainage part 203 has a cylindrical shape and is formed integrally with the duct member 200. Water droplets and the like in the duct member 1 are discharged to the outside through the drainage part 203. The bottom part of the lower end part 200b is inclined so that the drainage part 203 side is lowered, so that water collects on the drainage part 203 side.

次に、かかる構成からなる空気ろ過システムＡの作用について説明する。空気ろ過システムＡが適用されるエンジンが負圧を発生することにより、ろ過する吸気がダクト部材２００の空気導入部２０１からダクト部材２００内に導入され、空気排出部２０２及び空気導入部１０２を介してエアクリーナ１００内へ導入される。その後、フィルタエレメント１０５でろ過されて空気排出部１０３から排出される。   Next, the effect | action of the air filtration system A which consists of this structure is demonstrated. When the engine to which the air filtration system A is applied generates negative pressure, the intake air to be filtered is introduced into the duct member 200 from the air introduction part 201 of the duct member 200, and is passed through the air discharge part 202 and the air introduction part 102. Are introduced into the air cleaner 100. After that, it is filtered by the filter element 105 and discharged from the air discharge unit 103.

ここで、本実施形態では、空気導入部１０２に羽根部１１０を形成したことにより、空気導入部１０２を通過する空気に旋回流が生じる。旋回流が生じることにより、空気中の水分が遠心力によって外方へ分離し、気液分離が促進される。この旋回流は、図３において破線矢印で示すように、エアクリーナ１００の空気導入部１０２周辺のみならず、ダクト部材２００の内部であって、空気導入部１０２の近傍においても発生する。   Here, in this embodiment, since the blade | wing part 110 was formed in the air introduction part 102, a swirl flow arises in the air which passes the air introduction part 102. FIG. When the swirl flow is generated, moisture in the air is separated outward by centrifugal force, and gas-liquid separation is promoted. This swirl flow is generated not only in the vicinity of the air introduction part 102 of the air cleaner 100 but also in the duct member 200 and in the vicinity of the air introduction part 102 as indicated by broken line arrows in FIG.

このため、まず、ダクト部材２００の内部において旋回流が生じることにより気液分離が促進され、分離された水分はダクト部材２００の内壁を伝って排水部２０３から外部へ排出される。更に、エアクリーナ１００へ導入時においても、旋回流が生じることにより気液分離が促進され、分離された水分は空気導入側部材１０１ａの内壁を伝って排水部１０４から外部へ排出される。   For this reason, first, gas-liquid separation is promoted by generating a swirling flow inside the duct member 200, and the separated water is discharged from the drainage part 203 to the outside along the inner wall of the duct member 200. Further, even when introduced into the air cleaner 100, gas-liquid separation is promoted by the generation of a swirling flow, and the separated moisture is discharged from the drainage part 104 to the outside through the inner wall of the air introduction side member 101a.

このように本実施形態では、空気導入部１０２に羽根部１１０を形成したことにより、エアクリーナ１００単独での水分の除去性能を向上できるだけでなく、ダクト部材２００内での水分の除去性能も向上することができる。   As described above, in the present embodiment, since the blade portion 110 is formed in the air introduction portion 102, not only the moisture removal performance of the air cleaner 100 alone can be improved, but also the moisture removal performance in the duct member 200 is improved. be able to.

また、本実施形態の場合、仕切り壁部材１０６を設けたことで、分離された水分は空間Ｓ１２に導かれ易くなり、かつ、空間Ｓ１２は下流側が閉じているため、水分をより確実に捕捉して排水部１０４から排出できる。水分が分離された空気は空間Ｓ１１を通ってフィルタエレメント１０５でろ過され、空気排出部１０３から排出される。   In the case of the present embodiment, since the partition wall member 106 is provided, the separated moisture is easily guided to the space S12, and the space S12 is closed on the downstream side, so that moisture can be captured more reliably. Can be discharged from the drainage part 104. The air from which moisture has been separated passes through the space S <b> 11, is filtered by the filter element 105, and is discharged from the air discharge unit 103.

本発明の一実施形態に係る空気ろ過システムＡの斜視図である。It is a perspective view of air filtration system A concerning one embodiment of the present invention. 本発明の一実施形態に係るエアクリーナ１００の斜視図である。1 is a perspective view of an air cleaner 100 according to an embodiment of the present invention. 図１の線Ｘ−Ｘに沿う断面図である。It is sectional drawing which follows the line XX of FIG.

符号の説明Explanation of symbols

Ａ 空気ろ過システム
１００ エアクリーナ
２００ ダクト部材
１０１ ケース部材
１０２、２０１ 空気導入部
１０３、２０２ 空気排出部
１０４、２０３ 排水部
１０５ フィルタエレメント
１１０ 羽根部 A Air filtration system 100 Air cleaner 200 Duct member 101 Case member 102, 201 Air introduction part 103, 202 Air discharge part 104, 203 Drain part 105 Filter element 110 Blade part

Claims (3)

空気導入部と空気排出部とを備えたケース部材と、
前記空気導入部と前記空気排出部との間において前記ケース部材内に収納され、前記空気導入部から導入されて前記空気排出部から排出される空気をろ過するフィルタエレメントと、
前記空気導入部と前記フィルタエレメントの間において、前記ケース部材の周壁に設けられた排水部と、
前記空気導入部に設けられ、前記空気導入部を通過する空気に旋回流を生じさせる羽根部と、
を備えたことを特徴とするエアクリーナ。 A case member having an air introduction part and an air discharge part;
A filter element that is housed in the case member between the air introduction part and the air discharge part, and that filters air introduced from the air introduction part and discharged from the air discharge part;
Between the air introduction part and the filter element, a drainage part provided on the peripheral wall of the case member,
A blade part provided in the air introduction part, and generating a swirling flow in the air passing through the air introduction part;
An air cleaner characterized by comprising: 前記空気導入部と前記フィルタエレメントの間において、前記ケース部材の内部空間を、前記空気導入部と連通した外側の空間と、前記空気導入部と連通した内側の空間と、に仕切る仕切り壁を設けたことを特徴とする請求項１に記載のエアクリーナ。   A partition wall is provided between the air introduction portion and the filter element to partition the internal space of the case member into an outer space communicating with the air introduction portion and an inner space communicating with the air introduction portion. The air cleaner according to claim 1. エアクリーナと、ダクト部材と、を備えた空気ろ過システムにおいて、
前記エアクリーナが、
第１空気導入部と第１空気排出部とを備えたケース部材と、
前記第１空気導入部と前記第１空気排出部との間において前記ケース部材内に収納され、前記第１空気導入部から導入されて前記空気排出部から排出される空気をろ過するフィルタエレメントと、
前記第１空気導入部と前記フィルタエレメントの間において、前記ケース部材の周壁に設けられた第１排水部と、
前記第１空気導入部に設けられ、前記空気導入部を通過する空気に旋回流を生じさせる羽根部と、を備え、
前記ダクト部材が、
第２空気導入部と、
前記ダクト部材の端部に設けられ、前記第１空気導入部に接続される第２空気排出部と、
前記ダクト部材の前記端部に設けられた第２排水部と、
を備えたことを特徴とする空気ろ過システム。 In an air filtration system including an air cleaner and a duct member,
The air cleaner is
A case member having a first air introduction part and a first air discharge part;
A filter element that is housed in the case member between the first air introduction part and the first air discharge part, and that filters air introduced from the first air introduction part and discharged from the air discharge part; ,
Between the first air introduction part and the filter element, a first drainage part provided on the peripheral wall of the case member;
A blade portion that is provided in the first air introduction portion and generates a swirling flow in the air passing through the air introduction portion,
The duct member is
A second air introduction part;
A second air discharge unit provided at an end of the duct member and connected to the first air introduction unit;
A second drainage portion provided at the end of the duct member;
An air filtration system characterized by comprising:
JP2008335144A 2008-12-26 2008-12-26 Air cleaner and air filter system Withdrawn JP2010156276A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008335144A JP2010156276A (en) 2008-12-26 2008-12-26 Air cleaner and air filter system

Publications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5952915B2 (en) * 2012-11-20 2016-07-13 日立建機株式会社 Transport vehicle
GB2500018B (en) * 2012-03-06 2018-07-25 Ford Global Tech Llc Device for retaining unwanted matter from fluid travelling along a ducting
CN110388291A (en) * 2018-04-19 2019-10-29 曼·胡默尔有限公司 The tube section of the air inlet pipe of air inlet section for internal combustion engine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2500018B (en) * 2012-03-06 2018-07-25 Ford Global Tech Llc Device for retaining unwanted matter from fluid travelling along a ducting
JP5952915B2 (en) * 2012-11-20 2016-07-13 日立建機株式会社 Transport vehicle
US9415678B2 (en) 2012-11-20 2016-08-16 Hitachi Construction Machinery Co., Ltd. Transport vehicle, and transport vehicle air cleaner
CN110388291A (en) * 2018-04-19 2019-10-29 曼·胡默尔有限公司 The tube section of the air inlet pipe of air inlet section for internal combustion engine
CN110388291B (en) * 2018-04-19 2022-09-23 曼·胡默尔有限公司 Pipe section of an intake pipe for an intake section of an internal combustion engine

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