CN1135294C - Exhaust sensor for motor-driven bicycle - Google Patents

Exhaust sensor for motor-driven bicycle Download PDF

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Publication number
CN1135294C
CN1135294C CNB001089625A CN00108962A CN1135294C CN 1135294 C CN1135294 C CN 1135294C CN B001089625 A CNB001089625 A CN B001089625A CN 00108962 A CN00108962 A CN 00108962A CN 1135294 C CN1135294 C CN 1135294C
Authority
CN
China
Prior art keywords
cylinder
exhaust sensor
sensor
mentioned
outlet pipe
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.)
Expired - Fee Related
Application number
CNB001089625A
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Chinese (zh)
Other versions
CN1277315A (en
Inventor
赤松俊二
司
饭嶌智司
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
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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
Publication of CN1277315A publication Critical patent/CN1277315A/en
Application granted granted Critical
Publication of CN1135294C publication Critical patent/CN1135294C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Exhaust Silencers (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)

Abstract

The invention positions an exhaust gas sensor in such a manner that a protective cover is not required, collisions and water bursts due to flying stones are avoided, where maintenance work is straightforward, and where available space is effectively utilized. To achieve this, an exhaust gas sensor 29 is fitted to an upper side wall of an exhaust pipe 26 at a position forward from a right projection 14a of a crank case 14 and facing out from a right side surface 15a of a cylinder block 15.

Description

The exhaust sensor of motor bike
Technical field
The present invention relates to detect the O the gas that the motor on being contained in motor bike discharges 2The improvement of the mounting point of the exhaust sensor of concentration etc. on outlet pipe.
Background technique
The motor bike of exhaust sensor is installed on the waste pipe that is equipped on the vehicle frame, open by opening clear 58-82420 communique etc. strictly according to the facts.
The motor bike that above-mentioned communique relates to is large-scale, and exhaust sensor is installed on the outlet pipe of lower rear of engine body.Therefore, the maintenance operation after exhaust sensor is installed on the outlet pipe is very difficult.In addition, the below of exhaust sensor does not dispose anything, so for following splashing of stone that motor bike when walking produce or water, need to install the safety cover that the protection exhaust sensor is used.
And, exhaust sensor is widely used in large-scale motor bike and equipment of small motor bicycle, the size of exhaust sensor and motor bike is irrelevant, but the specialized configuration space that it nearly all must be arranged, so, if by the large-scale motor bike same position configuration exhaust sensor of above-mentioned communique, just be difficult to guarantee the space of continuing to employ of other part such as engine body.Make that also the degrees of freedom in the configuration of other part is narrow.
Summary of the invention
The present invention uses for reference the problems referred to above and proposes; its objective is the exhaust sensor that a kind of motor bike is provided; make and need not safety cover; just can do one's utmost to hide the bump of slungshot or splashing of water; the maintenance operation is become simply, and usage space disposes exhaust sensor effectively simultaneously.
For achieving the above object, characteristics of the present invention are exhaust sensors of a kind of motor bike, it is characterized in that, in described motor bike, has cylinder block, the motor of crank box and cylinder head is equipped on the vehicle frame, the axis of cylinder is configured in along in the vertical surface of the fore-and-aft direction of vehicle frame, above-mentioned crank box has the right protuberance of more giving prominence to the side than the right flank of the left and right directions of this cylinder block, and be connected with the said cylinder body, said cylinder is covered and is being connected with the said cylinder body with above-mentioned crank box opposition side, below above-mentioned right protuberance, forwards, backwards the outlet pipe that extends of direction be arranged on the exhaust port that said cylinder covers and be connected, more on the front than the above-mentioned right protuberance of above-mentioned crank box, and the right flank position more in the outer part than said cylinder body is installed on exhaust sensor on the upper side wall of above-mentioned outlet pipe.
According to such formation, because of exhaust sensor than cylinder block right flank more to side surface direction highlightedly, more on the front than the right protuberance that has crank box, and be installed on the outlet pipe in the right side side of cylinder block, so, can there be the space of interference to dispose exhaust sensor effectively at engine body and exhaust sensor, like this, not only do not reduce the degrees of freedom in the configuration of other part, and can on equipment of small motor bicycle, use exhaust sensor easily.In addition, because of exhaust sensor is contained in the outlet pipe upper side wall, so the maintenance operation of exhaust sensor can easily be carried out from the top.And; outlet pipe be contained in than exhaust sensor more the below the position; stone that can utilize outlet pipe itself to prevent to splash from below like this to come and water hit and bump exhaust sensor; there is the inboard of exhaust sensor to dispose cylinder block again; so; also can effectively prevent the stone next or the bump of water, need not safety cover, just can hide the bump of slungshot or splashing of water from the inboard.
Description of drawings
Fig. 1 is the right elevation of motor bike.
Fig. 2 is the side view around the motor of seeing from the right side.
Fig. 3 is the simplified plan view around the motor of seeing from the top.
Example of the present invention below is described with reference to the accompanying drawings.
Embodiment
Fig. 1-Fig. 3 is one embodiment of the present of invention.
At first, among Fig. 1, the vehicle frame of spine type motor bike comprises: backward the spine 5 of the steel pipe system that has a down dip, be welded on the back vehicle frame 6 of the steel plate system of these spine 5 rear ends.On the head pipe 7 of the front end that is arranged at spine 5, but steering ground pivot is supporting the front fork 8 of axle supporting front-wheel WF, and the upper end of this front fork 8 is linking steering tiller 9.In addition, pivot is supporting the rear wheel fork 10 of axle supporting wheels WR on the back vehicle frame 6, is provided with trailing wheel buffer 11 between this rear wheel fork 10 and the back vehicle frame 6.And, saddle 12 is installed above the back vehicle frame 6, under this saddle 12, in the vehicle frame 6 of back, collect, be fixed with fuel pot 13.The front end of back vehicle frame 6, with the joining portion of spine 5 below, the crank box 14 of motor E is installed.
With reference to Fig. 2, above-mentioned crank box 14 constitutes engine body 17 with cylinder block 15 and cylinder head 16.Cylinder block 15 is configured in along in the vertical surface of the fore-and-aft direction of vehicle frame F, and the axis that makes cylinder 18 almost is horizontally disposed with like that, outstanding from the preceding face forward of crank box 14, and almost be horizontally disposed with, at the opposition side of crank box 14, connecting cylinder head 16 in the front of cylinder block 15.
The front end of spine 5 is equipped with air filter 19, upstream extremity insert the oviduct 20 in the air filter 19 downstream, be connected by throttle body 21 with upstream extremity that downstream is connected in the sucking pipe 22 of the suction port 23 that is located at cylinder head 16 tops, at the intermediate portion of sucking pipe 22, the Fuelinjection nozzle 24 of burner oil is installed towards suction port 23.
The exhaust port 25 that is located at the bottom of cylinder head 16 is connected with the upstream extremity of outlet pipe 26, and the downstream of this outlet pipe 26 is connected with the muffler 27 on the right side, rear portion that is configured in vehicle frame F.
Above-mentioned spine 5, cylinder block 15, cylinder head 16, air filter 19, oviduct 20, throttle body 21 and sucking pipe 22 cover by the pin barge board 28 that is installed on the vehicle frame F, this pin barge board 28 is provided with opening portion 28a, and a part that makes this part of throttle valve 21, sucking pipe 22 and Fuelinjection nozzle 24 is facing to opening portion 28a.
Simultaneously with reference to Fig. 3, crank box 14 has than the right flank 15a of the left and right directions of cylinder block 15 more to the outstanding right protuberance 14a in side, the outlet pipe 26 that is connected with the exhaust port 25 of cylinder head 16, extend to the below, right side of the left and right directions of motor bike by above-mentioned exhaust port 25, and than above-mentioned right flank 15a more in the outer part a square tube cross above-mentioned right protuberance 14a below like that, rearward extend.
Though in order to carry out the running control of motor E, will be as the O of exhaust sensor 2Sensor 29 is installed on the outlet pipe 26, but this O 2Sensor 29 is in the place ahead of the right protuberance 14a of crank box 14, in the position than the right flank 15a more lateral of cylinder block 15, is arranged on the outlet pipe 26 from the upper side wall of outlet pipe 26 with extending upward.
Effect to this embodiment describes below and since than the right flank 15a of cylinder block 15 more to the side outstanding and than the right protuberance 14a of crank box 14 more on the front and the position of right side side that is positioned at cylinder block 15 with O 2Sensor 29 is installed on the outlet pipe 26, so, can be at engine body 17 and O 2Dispose O effectively in the space that sensor 29 does not have to disturb 2 Sensor 29 not only do not reduce the degrees of freedom in other part configuration, and equipment of small motor bicycle also can adopt O easily 2 Sensor 29.
In addition, because of O 2Sensor 29 is installed on the upper side wall of outlet pipe 26, so, O 2The maintaining work of sensor 29 can be easy to from the top carry out.
And outlet pipe 26 is installed in and compares O 2Sensor 29 more by under the position, clash into O by outlet pipe 26 slungshot and the water that come that just can prevent to splash itself from the below 2Sensor 29.Again because cylinder block 15 is configured in O 2The inboard of sensor 29, so, can prevent effectively that the slungshot and the water that come from the inboard from spattering, need not be protection O 2The safety cover of sensor 29 usefulness can prevent to greatest extent that slungshot and water from spattering.Especially among this embodiment, because of the front side of outlet pipe 26 disposes pin barge board 28, so, can prevent effectively that the slungshot and the water that come from the place ahead from spattering O 2The influence of sensor 29.
More than be embodiments of the invention, but the present invention does not limit the above embodiments, in the scope that does not exceed claim of the present invention, can carry out various design alterations.
For example in the foregoing description, the axis of cylinder 18 that cylinder block 15 has been described is in the occasion along horizontal arrangement in the vertical surface of the fore-and-aft direction of vehicle frame F, but the axis that the present invention also is fit to cylinder 18 is in the occasion along arranged perpendicular in the vertical surface of the fore-and-aft direction of vehicle frame F.In addition, also be applicable to the LAF sensor and replace O 2Sensor is as the motor bike of exhaust sensor.
According to above invention, can in having the space of interference, engine body and exhaust sensor not dispose exhaust sensor effectively, and not only do not dwindle the degrees of freedom in other part configuration, and make equipment of small motor bicycle adopt this exhaust sensor easily.In addition, the maintaining work of exhaust sensor can be easy to from the top carry out, and need not make safety cover again, can prevent most possibly that slungshot and water from spattering.

Claims (1)

1. the exhaust sensor of a motor bike, it is characterized in that, in described motor bike, has cylinder block (15), the motor (E) of crank box (14) and cylinder head (16) is equipped on the vehicle frame (F), the axis of cylinder (18) is configured in along in the vertical surface of the fore-and-aft direction of vehicle frame (F), above-mentioned crank box (14) has the right protuberance of more giving prominence to the side than the right flank (15a) of the left and right directions of this cylinder block (15) (14a), and be connected with said cylinder body (15), said cylinder lid (16) is being connected with said cylinder body (15) with above-mentioned crank box (14) opposition side, below at above-mentioned right protuberance (14a), forwards, backwards the outlet pipe (26) that extends of direction be arranged on the exhaust port (25) that said cylinder covers on (16) and be connected, more on the front than the above-mentioned right protuberance (14a) of above-mentioned crank box (14), and right flank (15a) position more in the outer part than said cylinder body (15) is installed on exhaust sensor (29) on the upper side wall of above-mentioned outlet pipe (26).
CNB001089625A 1999-05-28 2000-05-24 Exhaust sensor for motor-driven bicycle Expired - Fee Related CN1135294C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14978999A JP4145423B2 (en) 1999-05-28 1999-05-28 Exhaust gas sensor device for motorcycles
JP149789/1999 1999-05-28

Publications (2)

Publication Number Publication Date
CN1277315A CN1277315A (en) 2000-12-20
CN1135294C true CN1135294C (en) 2004-01-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB001089625A Expired - Fee Related CN1135294C (en) 1999-05-28 2000-05-24 Exhaust sensor for motor-driven bicycle

Country Status (5)

Country Link
EP (1) EP1055808B1 (en)
JP (1) JP4145423B2 (en)
CN (1) CN1135294C (en)
DE (1) DE60002002T2 (en)
TW (1) TW510436U (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4152796B2 (en) * 2003-04-10 2008-09-17 本田技研工業株式会社 Cylinder head exhaust gas sensor mounting structure in an internal combustion engine
JP4293916B2 (en) * 2004-01-19 2009-07-08 本田技研工業株式会社 Exhaust gas sensor mounting structure for internal combustion engine
JP4392315B2 (en) 2004-09-30 2009-12-24 本田技研工業株式会社 Arrangement structure of air-fuel ratio sensor in motorcycle
JP2006097605A (en) 2004-09-30 2006-04-13 Honda Motor Co Ltd Arrangement structure of air-fuel ratio sensor in motorcycle
JP4332102B2 (en) * 2004-11-30 2009-09-16 本田技研工業株式会社 Engine air-fuel ratio control device
JP4610467B2 (en) * 2005-11-02 2011-01-12 本田技研工業株式会社 Internal combustion engine
JP4693733B2 (en) * 2006-05-31 2011-06-01 本田技研工業株式会社 Catalyst arrangement structure for motorcycles
JP4924190B2 (en) * 2007-05-08 2012-04-25 スズキ株式会社 Scooter type vehicle
JP4900293B2 (en) * 2008-03-19 2012-03-21 スズキ株式会社 Exhaust gas sensor device for motorcycles
JP5103344B2 (en) * 2008-09-30 2012-12-19 本田技研工業株式会社 Motorcycle
JP5411555B2 (en) * 2009-03-31 2014-02-12 本田技研工業株式会社 Internal combustion engine
JP2010234949A (en) * 2009-03-31 2010-10-21 Keihin Corp Oxygen concentration sensor mounting structure
JP5644124B2 (en) * 2010-02-02 2014-12-24 スズキ株式会社 Exhaust gas sensor mounting structure for motorcycles
JP5585213B2 (en) * 2010-05-28 2014-09-10 スズキ株式会社 Exhaust gas passage structure of internal combustion engine
JP5849071B2 (en) * 2013-07-10 2016-01-27 本田技研工業株式会社 Exhaust structure of small vehicle
JP6346117B2 (en) * 2015-03-26 2018-06-20 本田技研工業株式会社 Motorcycle
CN110053691B (en) * 2015-07-24 2021-01-05 本田技研工业株式会社 Saddle-ride type vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0500105A1 (en) * 1991-02-22 1992-08-26 Yamaha Hatsudoki Kabushiki Kaisha Motor cycle with exhaust gas arrangement
EP0785343A1 (en) * 1996-01-17 1997-07-23 Yamaha Hatsudoki Kabushiki Kaisha Internal combustion engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0500105A1 (en) * 1991-02-22 1992-08-26 Yamaha Hatsudoki Kabushiki Kaisha Motor cycle with exhaust gas arrangement
EP0785343A1 (en) * 1996-01-17 1997-07-23 Yamaha Hatsudoki Kabushiki Kaisha Internal combustion engine

Also Published As

Publication number Publication date
EP1055808A3 (en) 2000-12-20
EP1055808B1 (en) 2003-04-09
JP2000335467A (en) 2000-12-05
EP1055808A2 (en) 2000-11-29
CN1277315A (en) 2000-12-20
DE60002002T2 (en) 2003-10-16
TW510436U (en) 2002-11-11
JP4145423B2 (en) 2008-09-03
DE60002002D1 (en) 2003-05-15

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Granted publication date: 20040121

Termination date: 20120524