JPS61149565A - Air cleaner - Google Patents

Air cleaner

Info

Publication number
JPS61149565A
JPS61149565A JP26162584A JP26162584A JPS61149565A JP S61149565 A JPS61149565 A JP S61149565A JP 26162584 A JP26162584 A JP 26162584A JP 26162584 A JP26162584 A JP 26162584A JP S61149565 A JPS61149565 A JP S61149565A
Authority
JP
Japan
Prior art keywords
air
duct
layer
cleaner
absorbing material
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.)
Granted
Application number
JP26162584A
Other languages
Japanese (ja)
Other versions
JPH0127253B2 (en
Inventor
Kohei Yamada
浩平 山田
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.)
Kawasaki Heavy Industries Ltd
Original Assignee
Kawasaki Heavy Industries 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 Kawasaki Heavy Industries Ltd filed Critical Kawasaki Heavy Industries Ltd
Priority to JP26162584A priority Critical patent/JPS61149565A/en
Publication of JPS61149565A publication Critical patent/JPS61149565A/en
Publication of JPH0127253B2 publication Critical patent/JPH0127253B2/ja
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/14Combined air cleaners and silencers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pipe Accessories (AREA)

Abstract

PURPOSE:To produce suction noise without affecting engine performance by forming an air intake port with a duct, and providing an acoustic material layer on the inner surface of the duct. CONSTITUTION:Air intake ports respectively formed by a duct 3 are provided at two positions on the upper side of a cleaner element 2 installed in a casing 1. In addition, an air outlet 4 is provided on the lower side of the cleaner element 2, which outlet 4 is connected to a carburetor 5 is connected to a suction port of an engine. A layer 6 of an acoustic material such as urethane foam is provided on the inner surface of the duct 3, while an aggregate 7 comprising a punching plate is provided on the inner surface of the layer 6 to prevent the acoustic material 6 from being deformed. Hereby, a suction sound can be attenuated, which is produced owing to air vibration and chatter of the casing 1 without substantially changing a shape of the air cleaner.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はエンジンの吸気を清浄化するエアクリーナーの
構造に関し、特に、自動車や自動二輪車のエンジンに装
着するのに好適なエアクリーナーの構造に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the structure of an air cleaner that cleans the intake air of an engine, and particularly relates to the structure of an air cleaner suitable for being installed in the engine of an automobile or motorcycle. .

〔従来の技術〕[Conventional technology]

白融直委白−−餘盲 本人し1け久盾応瀧虐舖のエノン
/にあっては、吸気を清浄化するためのエアクリーナー
が使用されている。エアクリーナーで清浄化された空気
が、気化器で燃料と混合した後あるいは直接的に燃焼室
へ吸入される。エアクリーナーは、一般に、ケーシング
内K濾過材から成るクリーナーエレメントを設置し、ダ
ートサイド(クリーナーエレメント通過前)K空気取入
れ口を設けるとともにクリーンサイド(クリーナーエレ
メント通過後)に空気出口を設は九構造を有している。
In the Enon of Hakuryu Direct Commission - 阘 blindness himself, Kusuten Otaki Rape, an air cleaner is used to purify the intake air. The air purified by the air cleaner is mixed with fuel in the carburetor or directly sucked into the combustion chamber. Air cleaners generally have a structure in which a cleaner element made of K filter material is installed inside the casing, an air intake is provided on the dirt side (before passing through the cleaner element), and an air outlet is provided on the clean side (after passing through the cleaner element). have.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

この種のエアクリーナーにおいては、空気流動によシ吸
気音が生じ、騒音の原因になるという問題があシ、従来
よ〕いろいろな対策が講じられてきた。
In this type of air cleaner, there is a problem in that the air flow generates intake noise, which causes noise, and various countermeasures have been taken in the past.

この対策として、空気取入れ口をダクトで形成し、該ダ
クトの音響抵抗を利用することが採用されている。
As a countermeasure against this problem, it has been adopted to form the air intake port with a duct and utilize the acoustic resistance of the duct.

しかし、単にダクトを設けるだけでは消音効果が少なく
、また、吸気音低減のためにダクトを長くしすぎると空
気抵抗が増大してエンジン性能が低下するという問題が
生じる。
However, simply providing a duct does not have a sufficient noise reduction effect, and if the duct is made too long to reduce intake noise, air resistance increases and engine performance deteriorates.

〔目 的〕〔the purpose〕

本発明の目的は、このような従来技術の問題を解決し、
エンジン性能を維持しながら吸気音を低減しうるエアク
リーナーを提供することである。
The purpose of the present invention is to solve the problems of the prior art,
To provide an air cleaner capable of reducing intake noise while maintaining engine performance.

〔問題点を解決する丸めの手段〕[Rounding method to solve problems]

本発明は、空気取入れ口をダクトで形成するとともに、
該ダクトの内面にウレタン等から成る吸音材の層を設け
ることによシ上記目的を達成するものである。
The present invention forms the air intake with a duct, and
The above object is achieved by providing a layer of sound absorbing material made of urethane or the like on the inner surface of the duct.

この場合、吸音材の層の内面に・り/チンググレートま
たはメツシユから成る骨材の層を設け、該骨材で吸音材
を支持することによ〕負圧ま九は振動による変形を防止
することが好ましい。
In this case, by providing a layer of aggregate made of grate or mesh on the inner surface of the layer of sound absorbing material and supporting the sound absorbing material with the aggregate, the negative pressure can prevent deformation due to vibration. It is preferable.

〔実施例〕〔Example〕

以下図面を参照して本発明の詳細な説明する。 The present invention will be described in detail below with reference to the drawings.

第1図および第2図は一実施例に係るエアクリーナーの
外観および縦断面を示す。
FIG. 1 and FIG. 2 show the external appearance and longitudinal section of an air cleaner according to one embodiment.

第1図および第2図において、ケークノブ1は密閉の箱
体で形成され、その内部には空気濾過材で形成されたク
リーナーエレメント2が設置されておシ、該クリーナー
エレメント2の上側の2個所にはダクト3,3で形成さ
れた空気取入れ口が設けられ、該クリーナーエレメント
2の下側には空気出口4が設けられている。
In FIG. 1 and FIG. 2, a cake knob 1 is formed of a sealed box, and a cleaner element 2 made of an air filtering material is installed inside the cake knob 1 at two locations on the upper side of the cleaner element 2. is provided with an air intake formed by ducts 3, 3, and an air outlet 4 is provided on the underside of the cleaner element 2.

前記空気出口4は、第2図に示すごとく、気化器5に接
続され、該気化器5はエンジンの吸気口(図示せず)に
接続されている。したがって、ニンジン運転時には、エ
ンジンの吸気負圧によって矢印で示すごとく外部の空気
が空気取入れ口(ダクト3.3)、クリーナーエレメン
ト2、空気出口4および気化器5を通して吸入される。
The air outlet 4 is connected to a carburetor 5, as shown in FIG. 2, and the carburetor 5 is connected to an intake port (not shown) of the engine. Therefore, during carrot operation, external air is sucked in through the air intake (duct 3.3), the cleaner element 2, the air outlet 4 and the carburetor 5 as shown by the arrow due to the intake negative pressure of the engine.

前記ダクト3.3の内面にはウレタンフオームなどの吸
音材の層6一般けられている。さらに、該lit材の層
6の内面には・り/テンググレートから成る骨材7が設
けられ、wi吸音材6の変形防止が図られている。
The inner surface of the duct 3.3 is generally coated with a layer 6 of sound absorbing material such as urethane foam. Further, on the inner surface of the layer 6 of the lit material, an aggregate 7 made of glue/tengu grating is provided to prevent deformation of the wi sound absorbing material 6.

前記ケーシング1は例えば金属あるいはf9スチツクで
形成することができ、前記ダクト3は金属あるいはグラ
スチックの池fム状弾性材で形成することもできる。ま
た、前記骨材7は金属あるいはグラスチックで形成する
ことができる。
The casing 1 can be made of metal or F9 stick, for example, and the duct 3 can also be made of metal or glass elastic material. Further, the aggregate 7 can be made of metal or glass.

以上説明した実施例によれば、エアクリーナーの空気取
入れ口をダクト3で形状するとともに、該ダク)3(D
内面にウレタン7オームなどの吸音材の層6を設は九の
で、空気通路の断面積が十分大きい場合はエアクリーナ
ーの形状を実質上変化させることなく、空気振動および
ケーシング1のびび夛などを発生源とする吸気音を効果
的に減衰させることができ、ダクト3の長さを過大セす
ることなく吸気音を充分に小さくすることができる。こ
うして、ニンジン性能に影響を怪えることなく吸気騒音
を充分に低減することができる。
According to the embodiment described above, the air intake port of the air cleaner is shaped as the duct 3, and the duct) 3 (D
Since the layer 6 of sound absorbing material such as urethane 7 ohm is provided on the inner surface, if the cross-sectional area of the air passage is sufficiently large, air vibration and chatter of the casing 1 can be reduced without substantially changing the shape of the air cleaner. It is possible to effectively attenuate the intake noise which is the generation source, and it is possible to sufficiently reduce the intake noise without making the length of the duct 3 excessively large. In this way, intake noise can be sufficiently reduced without affecting carrot performance.

貞ちに一清音材の1−6の内面冬・ダンチンrプレート
で形成した骨材7で支持するので1.該吸音材の層6が
軟質であったシ薄い場合でもその変形やずれを確実に防
止することができ、吸音材の材質を自由に選定すること
ができる。
1. Since it is supported by the aggregate 7 formed from Issei Oto material's 1-6 inner winter/Danchin R plate. Even if the layer 6 of the sound absorbing material is soft and thin, its deformation and displacement can be reliably prevented, and the material of the sound absorbing material can be freely selected.

第3図および第4図は池の実施例に係るエアクリーナー
の外観および縦断面を示す。
FIGS. 3 and 4 show the external appearance and longitudinal section of the air cleaner according to the embodiment of the pond.

第3図および第4図において、円形の密閉箱体で形成さ
れ九ケージlグ11の内部には同心環状の空気濾過材で
形成したクリーナーニレメン)12が設置されておシ、
ケークノブ11の外周にはダク)13で形成した空気取
入れ口が設けられている。また、ケーシング11の下面
中心部には空気出口14が設けられている。
In FIGS. 3 and 4, a cleaner element 12 formed of a concentric ring-shaped air filter material is installed inside a nine-cage cage 11 formed of a circular sealed box.
An air intake port formed by a duct 13 is provided on the outer periphery of the cake knob 11. Further, an air outlet 14 is provided at the center of the lower surface of the casing 11.

前記空気出口14には気化器15が接続され、ダクト1
3から吸入される空気は矢印のごとくクリーナーエレメ
ント12で清浄化された後気化器15を通って二ン−)
/の吸気口へ導入される。
A vaporizer 15 is connected to the air outlet 14, and the duct 1
The air taken in from 3 is purified by the cleaner element 12 as shown by the arrow, and then passes through the vaporizer 15 to the 2-)
/ is introduced into the air intake port.

前記ダクト13の内面にはウレタン7オームなどの吸音
材の層16が設けられ、該吸音材の層16の内面は/ぐ
ンチンググレートで形成された骨材17で支持されてい
る。
A layer 16 of sound absorbing material such as urethane 7 ohm is provided on the inner surface of the duct 13, and the inner surface of the layer 16 of sound absorbing material is supported by an aggregate 17 formed of a gunching grate.

本実施例の場合も、第1図および第2図の場合と同様、
ダクト13の内面に吸音材の層16を設けたので、空気
通路の断面積が十分有る場合はエアクリーナーの形状を
実質上変化させることなく、吸気音を効果的に減衰させ
ることができ、エンジン性能に影響を与えることなく吸
気騒音を充分に低減させることができる。
In the case of this embodiment as well, as in the case of FIGS. 1 and 2,
Since the layer 16 of sound-absorbing material is provided on the inner surface of the duct 13, if the cross-sectional area of the air passage is sufficient, intake noise can be effectively attenuated without substantially changing the shape of the air cleaner. Intake noise can be sufficiently reduced without affecting performance.

また、吸音材の層16は・ダ/チ/ググレートの骨材1
7で支持されているので、負圧や振動による吸音材16
の変形やずれを確実に防止することができる。
In addition, the sound absorbing material layer 16 is made of aggregate 1 of da/chi/g
Since it is supported by 7, the sound absorbing material 16 due to negative pressure and vibration
deformation and displacement can be reliably prevented.

なお、以上の各実施例では、吸音材の層6゜16および
骨材7.17を筒状に形成してダク)3.13内面の全
周に設けたが、これらは断面を口状にするなど一部を削
除した断面形状にすることもでき、さらにダク)3.1
3の長さ、並びに@音材の層6,16および骨材7,1
7の該ダク)K対する設置長さの割合も適宜選定するこ
とができる。
In each of the above embodiments, the sound-absorbing material layer 6.16 and the aggregate 7.17 were formed into a cylindrical shape and were provided all around the inner surface of the duct) 3.13, but these had a mouth-shaped cross section. It is also possible to create a cross-sectional shape with a part removed such as
3 length and @ layer of sound material 6,16 and aggregate 7,1
The ratio of the installation length to the duct (7) K can also be selected as appropriate.

また、前記骨材7.17は、図示のような・ぐンチング
グレートの代)に、金属あるいはゾクスチックのメツシ
ユ(網材)を使用して形成することもできる。
Further, the aggregate 7.17 can also be formed by using metal or Zokustic mesh (in place of a gunching grate as shown).

さらに、ダク)3.13の断面形状は円形ある(1は長
円形など適当な断面にすることができる。
Furthermore, the cross-sectional shape of the duct 3.13 is circular (1 can have a suitable cross-section such as an oval shape).

〔発明の効果〕〔Effect of the invention〕

以上の説明から明らかなごとく、本発明は、エアクリー
ナーの形状および構造に関係なく広く適用することがで
き、エンジン性能に影響を与えることなく吸気騒音を効
果的に低減しつるエアクリーナーを提供するものである
As is clear from the above description, the present invention can be widely applied regardless of the shape and structure of the air cleaner, and provides a straight air cleaner that effectively reduces intake noise without affecting engine performance. It is something.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明の一実施例に係る具アクリーナ−の一部
破断外観斜視図、第2図は第1図中の線ト4に沿った縦
断面図、第3図は本発明の他の実施例に係るエアクリー
ナーの一部破断外観斜視図、第4図は第3図中の線mV
−IVに沿つた曖断面図である。 l、11・・・・・ケーシング。 2.12・Φ・・・り□−ナーエレメント。 3.13・・・・・ダクト(空気取入れ口)。 6.16・・・・・吸音材の層? 7.17・・・・・骨 材。 代理人 弁理士  大 音 康 毅 第1図 第2図
FIG. 1 is a partially cutaway external perspective view of a tool cleaner according to an embodiment of the present invention, FIG. 2 is a vertical sectional view taken along line 4 in FIG. 1, and FIG. A partially cutaway external perspective view of the air cleaner according to the embodiment, FIG. 4 is taken along the line mV in FIG. 3.
- It is a vague cross-sectional view along IV. l, 11...Casing. 2.12・Φ...ri□-ner element. 3.13...Duct (air intake). 6.16...layer of sound absorbing material? 7.17... Aggregate. Agent: Yasushi Ooto, Patent Attorney Figure 1 Figure 2

Claims (2)

【特許請求の範囲】[Claims] (1)エンジンの吸気を清浄化するエアクリーナーにお
いて、空気取入れ口をダクトで形成し、該ダクトの内面
にウレタン等から成る吸音材の層を設けることを特徴と
するエアクリーナー。
(1) An air cleaner for cleaning intake air of an engine, characterized in that the air intake port is formed by a duct, and a layer of sound-absorbing material made of urethane or the like is provided on the inner surface of the duct.
(2)前記吸音材の層の内面をパンチングプレートまた
はメッシュから成る骨材で支持することを特徴とする特
許請求の範囲第1項記載のエアクリーナー。
(2) The air cleaner according to claim 1, wherein the inner surface of the sound absorbing material layer is supported by an aggregate made of a punching plate or a mesh.
JP26162584A 1984-12-11 1984-12-11 Air cleaner Granted JPS61149565A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26162584A JPS61149565A (en) 1984-12-11 1984-12-11 Air cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26162584A JPS61149565A (en) 1984-12-11 1984-12-11 Air cleaner

Publications (2)

Publication Number Publication Date
JPS61149565A true JPS61149565A (en) 1986-07-08
JPH0127253B2 JPH0127253B2 (en) 1989-05-29

Family

ID=17364488

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26162584A Granted JPS61149565A (en) 1984-12-11 1984-12-11 Air cleaner

Country Status (1)

Country Link
JP (1) JPS61149565A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63309762A (en) * 1987-06-10 1988-12-16 Mazda Motor Corp Intake device for engine with supercharger
DE9206706U1 (en) * 1992-05-17 1992-09-24 Wankel Gmbh, 1000 Berlin Silencer for the intake noise of a rotary piston blower
JP2007168681A (en) * 2005-12-26 2007-07-05 Mahle Filter Systems Japan Corp Air introduction duct
JP2010095245A (en) * 2008-09-19 2010-04-30 Kawasaki Heavy Ind Ltd Ram duct unit having noise absorbing structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5293808U (en) * 1976-01-09 1977-07-13
JPS5359127A (en) * 1976-11-09 1978-05-27 Kubota Ltd Dry air cleane of engine
JPS53148617A (en) * 1977-05-31 1978-12-25 Honda Motor Co Ltd Internal combustion engine suction noise silencer
JPS54150011U (en) * 1978-04-10 1979-10-18
JPS5973564U (en) * 1982-11-11 1984-05-18 スズキ株式会社 Motorcycle engine air cleaner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5293808U (en) * 1976-01-09 1977-07-13
JPS5359127A (en) * 1976-11-09 1978-05-27 Kubota Ltd Dry air cleane of engine
JPS53148617A (en) * 1977-05-31 1978-12-25 Honda Motor Co Ltd Internal combustion engine suction noise silencer
JPS54150011U (en) * 1978-04-10 1979-10-18
JPS5973564U (en) * 1982-11-11 1984-05-18 スズキ株式会社 Motorcycle engine air cleaner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63309762A (en) * 1987-06-10 1988-12-16 Mazda Motor Corp Intake device for engine with supercharger
DE9206706U1 (en) * 1992-05-17 1992-09-24 Wankel Gmbh, 1000 Berlin Silencer for the intake noise of a rotary piston blower
JP2007168681A (en) * 2005-12-26 2007-07-05 Mahle Filter Systems Japan Corp Air introduction duct
JP2010095245A (en) * 2008-09-19 2010-04-30 Kawasaki Heavy Ind Ltd Ram duct unit having noise absorbing structure

Also Published As

Publication number Publication date
JPH0127253B2 (en) 1989-05-29

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