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JPS5898615A - Control valve unit for supply of secondary air - Google Patents

Control valve unit for supply of secondary air

Info

Publication number
JPS5898615A
JPS5898615A JP56196236A JP19623681A JPS5898615A JP S5898615 A JPS5898615 A JP S5898615A JP 56196236 A JP56196236 A JP 56196236A JP 19623681 A JP19623681 A JP 19623681A JP S5898615 A JPS5898615 A JP S5898615A
Authority
JP
Japan
Prior art keywords
valve
valve chamber
control valve
secondary air
chamber
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.)
Pending
Application number
JP56196236A
Other languages
Japanese (ja)
Inventor
Akira Okubo
章 大久保
Kiyoshi Miura
静止 三浦
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.)
Honda Motor Co Ltd
Original Assignee
Honda Motor 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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP56196236A priority Critical patent/JPS5898615A/en
Priority to US06/445,514 priority patent/US4553388A/en
Publication of JPS5898615A publication Critical patent/JPS5898615A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/222—Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/227—Control of additional air supply only, e.g. using by-passes or variable air pump drives using pneumatically operated valves, e.g. membrane valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/30—Arrangements for supply of additional air
    • F01N3/34—Arrangements for supply of additional air using air conduits or jet air pumps, e.g. near the engine exhaust port
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/04—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for motorcycles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

PURPOSE:To contrive miniaturization of a titled unit, by a method wherein an inflow side valve chamber and an outflow side valve chamber are formed on each of an external and an internal cylindrical bodies respectively and a valve plug is provided against the end face of an inner valve chamber. CONSTITUTION:An exhaust pipe 5 is provided with a secondary air duct 8 located on an upstream side of a catalyst 7 and extended upward, which is connected with an air cleaner 6, and a reed valve 9 and a control valve 10 are provided on the midway between the air duct 8 and the air cleaner 6. The control valve 10 consists of an inflow side valve chamber 11, an outflow side valve chamber 12 and a valve plug 13 which opens or closes a connection between both valve chambers 11 and 12, which consist of an external and an internal cylindrical bodies being concentric to each other, and the valve body 13 is provided opposedly against the end face of the internal cylindrical body.

Description

【発明の詳細な説明】 本発明は主として自動２輪車用のエンジンにわいて二次
空気供給通路に介入される二次空気供給制御弁装置に関
する。DETAILED DESCRIPTION OF THE INVENTION The present invention mainly relates to a secondary air supply control valve device interposed in a secondary air supply passage of an engine for a two-wheeled motor vehicle.

従来この樋装置として、エンジンの排気管内を大気に連
通する二次空気導入通路に流入側の弁室と流出−の弁室
と両弁室内の連通を開閉する弁体とから成る制御弁を介
入させる式のものは知られるが、この場合該制御弁は比
較的小型であると共にその構成が比較的簡単であること
が好ましい。Conventionally, as this gutter device, a control valve consisting of an inflow side valve chamber, an outflow valve chamber, and a valve body that opens and closes communication between the two valve chambers is inserted into the secondary air introduction passage that communicates the inside of the engine exhaust pipe with the atmosphere. In this case, it is preferable that the control valve be relatively small in size and relatively simple in construction.

本発明はか−る要求に適合する装置を得ることをその目
的としたもので、エンジンの排気管内を大気に連通する
二次空気供給通路に、流入側の弁室と流出側の弁室と両
弁室間の連通を開閉する弁体とから成る制御弁を介入さ
せる式のものにおいて、該流入側の弁室を外側の筒状体
と該流出値の弁室を内側の筒状体とで構成させると共に
該弁体な該内側の筒状体の端面にこれに対向させて設け
て成る。The object of the present invention is to obtain a device that meets these requirements, and a secondary air supply passage that communicates the exhaust pipe of an engine with the atmosphere has an inflow side valve chamber and an outflow side valve chamber. In a type in which a control valve consisting of a valve body that opens and closes communication between the two valve chambers intervenes, the inflow side valve chamber is an outer cylindrical body, and the outflow valve chamber is an inner cylindrical body. and is provided on the end face of the inner cylindrical body, which is the valve body, to face it.

本発明実施の１例を別紙図面に付説明する。An example of implementing the present invention will be explained with reference to the attached drawings.

図面は自動２輪車に適用した場合を示すもので、１１！
２輪車は前後の車輪（１）　（１）を有する車体（２ン
の中間部にエンジン（３）を搭載して成り、該エンジン
（３）は後方にのびる上側の吸気管（４）と下側の排気
管（５）とを備え、該吸気管（４）はその尾端にエアク
リーナ（６）を備えると共に該排気管（５）はその尾端
近傍に排気浄化用の触媒（７）を備える・該排気管（５
）は該触媒（７）の上流側に位置して上方にのびる二次
空気供給通路（８）を備え、これは前記したエアクリー
ナ（６）に連るもので、その中間部にリード弁（９）と
制御弁ａ０とが介入されるようｋした。The drawing shows the case where it is applied to a motorcycle, and 11!
A two-wheeled vehicle has front and rear wheels (1) and an engine (3) mounted in the middle of the vehicle body (2). The intake pipe (4) is equipped with an air cleaner (6) at its tail end, and the exhaust pipe (5) is equipped with an exhaust purification catalyst (7) near its tail end.・The exhaust pipe (5
) is provided with a secondary air supply passage (8) located upstream of the catalyst (7) and extending upward, which is connected to the air cleaner (6) described above, and a reed valve (9) located in the middle thereof. ) and control valve a0 are interposed.

該制御弁０１は流入側の弁１１／Ｉυと流出側の弁室α
々と、両弁室ａυａ２間の連通を開閉する弁体０とから
成るもので、両弁室ｏｖａ’ｓは例えば第２図に明示す
るように互に同心の外側の筒状体と内側の筒状体とから
成ると共に該弁体αｊは該内側の筒状体の端面にこれに
対向して設けられるようにした。The control valve 01 has a valve 11/Iυ on the inflow side and a valve chamber α on the outflow side.
and a valve body 0 that opens and closes communication between the two valve chambers aυa2, and the two valve chambers ova's are composed of an outer cylindrical body and an inner cylindrical body concentric with each other, as shown in FIG. 2, for example. The valve body αj is provided on the end face of the inner cylindrical body to face it.

尚、図示のものでは該弁体０を該内側の筒状体Ｑ３の両
端面に１対に備え、これを該外信の筒状体ａ号の両端向
の各ダイヤ７２ム型の圧力室（Ｉ　Ｓ　ｍ）（１３ｍ）
に応動させるようにした。一方の圧力室（１３＆）内は
前記した吸気管（４）内の吸気負圧を導く負圧通路ａ４
１と、前記したエアクリーナ（６）を介して大気圧を導
く大気圧通路ａＳとに電磁弁ａｅを介して切換自在とし
、更に他方の圧力室（１５ｍ）内は該負圧通路Ｉに直接
連通されるものとする。尚該電磁弁■は該排気管（５３
内の排気七ンすの出力な制御回路ａ？）を介して作用さ
れて切換作動する型式とする。In the illustrated example, a pair of valve bodies 0 are provided on both end faces of the inner cylindrical body Q3, and these valve bodies 0 are installed in each diamond-shaped pressure chamber at both ends of the foreign cylindrical body No. (I S m) (13m)
I made it respond to. Inside the one pressure chamber (13&) is a negative pressure passage a4 that guides the intake negative pressure in the intake pipe (4).
1 and the atmospheric pressure passage aS that introduces atmospheric pressure through the air cleaner (6) described above, via a solenoid valve ae, and the inside of the other pressure chamber (15 m) is directly connected to the negative pressure passage I. shall be carried out. The solenoid valve ■ is connected to the exhaust pipe (53
Control circuit a? ) is used for switching operation.

このように本発明によるときは流入側の弁室と流出側の
弁室とを外側と内側との各筒状体に形成すると共に弁体
を該内部の弁室の端面に対向させて設けるもので、全体
として筒状のものに比較的小型に得ることが出来、例え
ば自動２輪車に適用して場所をとらないと共に体裁を良
好にすることが出来、更に該弁体は必要に応じ該内側の
弁室の両端面に１対に設けることが可能である等の効果
を有する。In this way, according to the present invention, the inflow side valve chamber and the outflow side valve chamber are formed into outer and inner cylindrical bodies, and the valve body is provided so as to face the end face of the inner valve chamber. Therefore, it can be made into a relatively small cylindrical body as a whole, and can be applied to motorcycles, for example, to save space and have a good appearance. It has the advantage that a pair of valve chambers can be provided on both end faces of the inner valve chamber.

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

１８１図は本発明装置を備えた自動２輪車の１例の側ｉ
ｉ＆ｕ、第２図はその要部の拡大した裁断側面図である
。 （３）・・・エンジン （５）・・・排気管 （８）・・・二次空気供給装置 帥・・・制御弁 αυα３・・・弁　室 ａ謙・・・・・・弁　体 外２名Figure 181 shows the side i of an example of a two-wheeled motor vehicle equipped with the device of the present invention.
i&u, FIG. 2 is an enlarged cutaway side view of the main parts thereof. (3) Engine (5) Exhaust pipe (8) Secondary air supply system control valve αυα3 Valve Room a-valve 2 people outside the body

Claims (1)

【特許請求の範囲】[Claims] エンジンの排気管内を大気に連通ずる二次空気供給通路
に、流入側の弁室と流出側の弁室と両弁室間の連通を開
閉する弁体とから成る制御弁を介入させる式のものにお
いて〜該流入伺の弁室を外軸の筒状体と該流出側の弁室
を内側の筒状体とで構成させると共に該弁体を該内側の
筒状体の端面にこれに対向させて設けて成る二次空気供
給制御弁装置A type in which a control valve consisting of a valve chamber on the inflow side, a valve chamber on the outflow side, and a valve body that opens and closes communication between the two valve chambers is inserted into the secondary air supply passage that communicates the inside of the engine exhaust pipe with the atmosphere. In - The valve chamber on the inflow side is constituted by a cylindrical body on the outer shaft, and the valve chamber on the outflow side is constituted by an inner cylindrical body, and the valve body is arranged at an end face of the inner cylindrical body to face it. A secondary air supply control valve device comprising
JP56196236A 1981-11-30 1981-12-08 Control valve unit for supply of secondary air Pending JPS5898615A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56196236A JPS5898615A (en) 1981-12-08 1981-12-08 Control valve unit for supply of secondary air
US06/445,514 US4553388A (en) 1981-11-30 1982-11-30 Exhaust gas purification apparatus for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56196236A JPS5898615A (en) 1981-12-08 1981-12-08 Control valve unit for supply of secondary air

Publications (1)

Publication Number Publication Date
JPS5898615A true JPS5898615A (en) 1983-06-11

Family

ID=16354459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56196236A Pending JPS5898615A (en) 1981-11-30 1981-12-08 Control valve unit for supply of secondary air

Country Status (1)

Country Link
JP (1) JPS5898615A (en)

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