WO2011111695A1 - 自動二輪車用エンジンのブリーザ装置 - Google Patents
自動二輪車用エンジンのブリーザ装置 Download PDFInfo
- Publication number
- WO2011111695A1 WO2011111695A1 PCT/JP2011/055360 JP2011055360W WO2011111695A1 WO 2011111695 A1 WO2011111695 A1 WO 2011111695A1 JP 2011055360 W JP2011055360 W JP 2011055360W WO 2011111695 A1 WO2011111695 A1 WO 2011111695A1
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- WIPO (PCT)
- Prior art keywords
- cylinder head
- breather
- cylinder
- chamber
- breather chamber
- Prior art date
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-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M13/0416—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil arranged in valve-covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
Definitions
- the present invention relates to a breather device for a motorcycle engine in which a breather chamber is provided on an upper portion of a head cover of a motorcycle engine, and more particularly to a layout structure of a breather chamber in a breather device for a motorcycle engine.
- the breather chamber which separates the blow-by gas containing oil into gas and liquid, is generally installed in the engine case (crankcase), but the cylinder head has a relatively small oil atmosphere to reduce the size of the engine case. It may be placed on the top of.
- the head cover 2 that covers the top of the cylinder head 1 has a tip protruding portion of a cylinder head stud bolt 3 for fastening the cylinder head 1 to the cylinder block, A nut 4 that is screwed onto the tip protruding portion is disposed, and functional parts for other uses such as a reed valve (not shown) of the secondary air supply device are disposed.
- the breather chamber 5 has conventionally been installed so as to be attached to the side wall of the head cover 2. Further, as shown in FIG. 7, the breather chamber 6 is disposed so as to be stacked above the tip protruding portion of the cylinder head stud bolt 3 and the nut 4 in the cylinder axial direction inside the upper portion of the head cover 2 ( Patent Document 1).
- the breather chamber 5 when the breather chamber 5 is disposed as shown in FIG. 6, the width-direction dimension of the head cover 2 including the breather chamber 5 increases, and the number of parts increases because the breather chamber 5 is attached. Further, when the breather chamber 6 is arranged as shown in FIG. 7, the height of the head cover 2 containing the breather chamber 6 increases, and the head cover 2 becomes larger.
- An object of the present invention is to provide an engine breather chamber layout structure in which the head cover of an engine equipped with a breather chamber can be made compact.
- the present invention provided to achieve the above object is a motorcycle engine comprising a vehicle body frame and an engine mounted on the vehicle body frame, wherein an oil component introduced from a crank chamber of the engine is reduced.
- a breather device for a motorcycle engine in which a breather chamber for performing gas-liquid separation of a blow-by gas is provided on an upper part of a head cover that covers a top portion of the cylinder head.
- the cylinder head is attached to a cylinder block using a cylinder head fastening means.
- the cylinder head fastening means is provided so as to protrude from the top portion of the cylinder head along the axial direction of the cylinder block, and the breather chamber is formed in the cylinder head fastening portion in the cylinder head fastening means.
- the breather chamber in the breather device for a motorcycle engine provided on the top of the head cover covering the top of the cylinder head projects from the top of the cylinder head in the cylinder head fastening means for fastening the cylinder head to the cylinder block.
- the portion is positioned at substantially the same position (height) in the cylinder axial direction. For this reason, even when a breather chamber is provided in the upper part of the head cover, it is possible to suppress an increase in the height of the head cover, so that the head cover of the engine provided with the breather chamber can be made compact.
- FIG. 1 is a left side view showing a scooter type motorcycle equipped with an engine to which an embodiment of a breather chamber layout structure of a breather device for an engine according to the present invention is applied.
- the III arrow line view of FIG. FIG. 4 is a sectional view taken along line IV-IV in FIG. 3.
- FIG. 5 is a sectional view taken along line VV in FIG. 4.
- the side view which shows the breather chamber in the conventional engine with a cylinder head etc.
- FIG. 1 is a left side view showing a scooter type motorcycle equipped with an engine to which an embodiment of a breather apparatus to which a breather room layout structure of an engine according to the present invention is applied is applied.
- the scooter type motorcycle 10 includes an underbone body frame 11.
- the vehicle body frame 11 is configured such that an underframe 13 extends downward from a rear portion of a steering pipe 12 at the frontal portion, and a seat rail 14 extends obliquely upward and rearward from a lower portion of the underframe 13. .
- a front fork 15 is supported on the steering pipe 12 so as to be rotatable left and right together with a handle bar 16, and a front wheel 17 is pivotally supported at the front end of the front fork 15.
- a power unit 19 is pivotally supported at the center of the lower portion of the under frame 13 via a swing bracket 18 so as to swing up and down around a pivot shaft 20 as a support shaft.
- the power unit 19 is generally used for a scooter, and an engine 21 and a transmission device 22 are integrally formed, and a rear wheel 23 is directly supported on the rear portion of the transmission device 22.
- a rear cushion unit 24 is stretched up and down between the rear portion of the transmission device 22 and the seat rail 14, and the power unit 19 and the rear wheel 23 are buffered and suspended by the rear cushion unit 24.
- a seating seat 25 is placed on the body frame 11 above the seat rail 14 so as to be openable and closable, and an article storage chamber (not shown) in which a helmet or the like can be stored is provided below the seating seat 25. Therefore, by opening the seating sheet 25, it is possible to put in and out the article in the article storage chamber.
- the engine 21 is configured such that a cylinder assembly 28 extends from the front of a crankcase 27 in a substantially horizontal direction and is inclined forward.
- a conduction device 22 (FIG. 1) is integrally provided from the left side of the crankcase 27 and extends rearward.
- the cylinder assembly 28 includes a cylinder block 29, a cylinder head 30, and a head cover 31, which are sequentially stacked from the crankcase 27 side along the cylinder axis 0 direction.
- An engine intake system 33 that supplies an air-fuel mixture (fuel / air mixture) to an intake port (not shown) of the cylinder head 30 is disposed above the cylinder assembly 28 and the crankcase 27.
- the engine intake system 33 includes an air cleaner 34 (FIG. 1), a carburetor 35, and an intake pipe 36.
- the intake pipe 36 is connected to an intake port of the cylinder head 30 and is connected to a carburetor 35, and the carburetor 35 is connected to an air cleaner 34. Clean air from which dust or the like has been removed by the air cleaner 34 is supplied to the carburetor 35 as intake air.
- the carburetor 35 mists a predetermined amount of fuel from a fuel tank (not shown) according to the intake air amount to the intake port. And is supplied to the intake port together with the intake air.
- an exhaust port (not shown) is opened on the lower surface of the cylinder head 30.
- An exhaust pipe 37 extends rearward from the exhaust port, and an exhaust muffler (not shown) is connected to the rear end of the exhaust pipe 37 so that the engine exhaust system is connected. 38 is configured.
- the engine exhaust system 38 further includes an exhaust gas sensor (for example, an O 2 sensor) 39 provided in the exhaust pipe 37.
- the engine exhaust system 38 and the engine intake system 33 are configured to swing up and down around the pivot shaft 20 (FIG. 1) together with the power unit 19.
- the front and rear portions of the vehicle body frame 11 shown in FIG. 1 are covered with a front vehicle body cover 40 and a rear vehicle body cover 41 made of synthetic resin, respectively, to adjust the appearance of the vehicle body and protect internal devices.
- the front body cover 40 forms a leg shield 42.
- the rear body cover 41 covers the surroundings of the article storage chamber and the front portion of the engine 21 (mainly the cylinder assembly 28) below the seating seat 25.
- a low floor type step board 43 is provided between the handle bar 16 and the seat 25.
- the step board 43 is made of synthetic resin and is designed so that the front body cover 40 and the rear body cover 41 are continuous.
- a space above the step board 43 between the front body cover 40 and the rear body cover 41 is a step board space 44 in which the driver's feet can be accommodated.
- the cylinder block 29 and the cylinder head 30 shown in FIG. 2 are fastened to the front surface of the crankcase 27 using a cylinder head stud bolt 45 and a nut 46 as cylinder head fastening means shown in FIGS.
- the cylinder block 29 and the cylinder head 30 are also fastened to each other.
- Four cylinder head stud bolts 45 are arranged at substantially equal intervals around the cylinder axis 0 of the cylinder assembly 28, and nuts 46 are screwed into respective tip portions to tighten the top portion 30 ⁇ / b> A of the cylinder head 30. It is done.
- a tip portion (a tip protruding portion 45 ⁇ / b> A described later) to which the nut 46 is screwed protrudes from the top portion 30 ⁇ / b> A of the cylinder head 30.
- the head cover 31 is fixedly attached to the cylinder head 30 using two head cover bolts 47 located on the diagonal line, and covers the top portion 30A of the cylinder head 30. These two head cover bolts 47 are arranged outside the region M surrounded by the tip protruding portion 45A where the four cylinder head stud bolts 45 protrude from the top 30A of the cylinder head 30.
- an intake port and an exhaust port (not shown) of the cylinder head 30 communicate with the combustion chamber 48, an intake valve (not shown) is provided at the intake port, and an exhaust valve (not shown) is provided at the exhaust port.
- a camshaft 50 is pivotally supported on a cam bearing 49 provided in the cylinder head 30.
- An intake valve and an exhaust valve (both not shown) formed on the camshaft 50 cause the intake valve and the exhaust valve to move at a predetermined timing.
- a cam chain chamber 51 is formed in the cylinder assembly 28 (head cover 31 in FIG. 5) on the left side in the vehicle traveling direction with respect to the cylinder axis 0.
- the cam chain chamber 51 is provided with a cam chain and a cam chain sprocket 52 for transmitting rotation of a crankshaft (not shown) to the camshaft 50.
- the cam chain sprocket 52 shown in FIG. 5 is a driven-side cam chain sprocket that is coupled to the camshaft 50 so as to rotate together.
- Reference numeral 53 denotes a decompression arm (centrifugal weight) of a decompression (decompression) device that is coupled to the cam chain sprocket 52 so as to rotate together.
- the upper portion of the head cover 31 is a breather chamber 54 that performs gas-liquid separation of blow-by gas containing oil introduced from a crank chamber (not shown) of the crankcase 27.
- a breather device is provided.
- the breather chamber 54 includes a partition wall 55 formed in a maze shape inside the upper surface of the head cover 31, and a breather plate 56 joined to the partition wall 55 using a breather plate bolt 62.
- the breather chamber (breather device) 54 is arranged in the cylinder axis 0 direction so that the cylinder head stud bolt 45 overlaps (overlaps) the tip protruding portion 45A discharged from the top 30A of the cylinder head 30 and the nut 46, that is,
- the cylinder head stud bolt 45 is disposed at substantially the same position (height) as the tip protruding portion 45A of the cylinder head stud bolt 45 and the nut 46 in the cylinder axis 0 direction.
- the breather chamber 54 is disposed in a region M surrounded by all or a part (all in the present embodiment) of the tip protruding portions 45A of the four cylinder head stud bolts 45.
- breather chamber introduction ports 57 for introducing blow-by gas into the breather chamber 54 in the direction of arrow A are formed on both the left and right sides in the vehicle traveling direction. Further, on the outside of the upper portion of the head cover 31, there is provided a union pipe-like breather chamber discharge port 58 for discharging blowby gas from which oil has been separated in the breather chamber 54 in the direction of arrow B.
- the breather chamber discharge port 58 is provided outside the region M surrounded by the tip protruding portion 45A where the four cylinder head stud bolts 45 protrude from the top 30A of the cylinder head 30. Further, as shown in FIGS. 3 and 5, the breather chamber discharge port 58 is provided at a position inside the side wall surface 60 of the head cover 31 and is configured not to protrude from the side wall surface 60.
- One end of the breather hose 61 is connected to the breather chamber outlet 58, and the other end of the breather hose 61 is connected to the air cleaner 34.
- the breather chamber (breather device) 54 is provided with an oil outlet 59 for discharging the oil separated in the breather chamber 54 at a position opposite to the breather chamber outlet 58.
- the oil discharge port 59 is provided below the head cover 31 and discharges the oil component separated in the breather chamber 54 in the direction of arrow C by the action of gravity.
- Blow-by gas generated in the crank chamber of the crankcase 27 when the engine 21 is operated flows into the breather chamber 54 from the breather chamber inlet 57 through the cam chain chamber 51 of the cylinder assembly 28 and the like.
- the blow-by gas separates oil while flowing through the labyrinth-shaped passage in the breather chamber 54 toward the breather chamber discharge port 58.
- the separated oil is returned from the oil discharge port 59 to the valve operating chamber having the camshaft 50 and the crankcase 27 side.
- the blow-by gas from which the oil component has been separated is sucked into the air cleaner 34 from the breather chamber outlet 58 via the breather hose 61. For this reason, the unburned component contained in blow-by gas is recombusted in the combustion chamber 48 of the engine 21, and environmental pollution is prevented.
- a reed valve chamber 66 of the secondary air supply device 65 is installed.
- the reed valve chamber 66 is configured by the reed valve cap 67 and the cylinder head 30 by mounting a reed valve cap 67 on the upper part of the cylinder head 30, and houses the reed valve 68 therein.
- the reed valve chamber 66 is disposed at a position immediately above the tip projecting portion 45 ⁇ / b> A of one cylinder head stud bolt 45 and above the breather chamber 54 in the direction of the cylinder axis 0.
- the reed valve chamber 66 is connected to a switching valve 70 via an air hose 69, and the switching valve 70 is connected to the clean side of the air cleaner 34 via an intake hose 71. Further, the vacuum hose 72 of the switching valve 70 is connected to the intake pipe 36 of the engine intake system 38. 4 and 5, the reed valve chamber 66 communicates with a secondary air supply passage 73 formed in the head cover 31, and this secondary air supply passage 73 is formed in the cylinder head 30. The secondary air supply passage 74 is communicated. The secondary air supply passage 74 communicates with an exhaust port (not shown). Further, the secondary air supply passage 73 of the head cover 31 is formed adjacent to the outside of the breather chamber 54 so as not to pass through the breather chamber 54.
- the reed valve 68 opens and closes due to the negative pressure caused by the exhaust gas pulsation in the exhaust port.
- the switching valve 70 supplies secondary air to the reed valve 68 according to the operating pressure of the engine 21, that is, the negative pressure in the intake pipe 36 depending on the throttle opening of the carburetor 35, or shuts off the supply. .
- a breather chamber (breather device) 54 provided on the top of the head cover 31 that covers the top 30A of the cylinder head 30 of the engine has a cylinder head top 30A in a cylinder head stud bolt 45 that fastens the cylinder head 30 to the cylinder block 29.
- 45A is positioned substantially at the same position (height) in the direction of the cylinder axis 0 with the tip protruding portion 45A. For this reason, even when the breather chamber 54 is provided in the upper part of the head cover 31, it is possible to suppress an increase in the height of the head cover 31, so that the head cover 31 of the engine 21 including the breather chamber 54 can be made compact.
- the head cover 31 of the engine 21 at a distance away from the pivot shaft 20 that is the center of swinging is made compact.
- the head cover 31 from interfering with other parts (for example, the vehicle body frame 11 and the rear vehicle body cover 41) in a wide range, and further to secure a wide step board space 44 (FIG. 1).
- the head cover bolt 47, the secondary air supply passage 73, and the breather chamber discharge port 58 are provided outside the region M surrounded by the tip protruding portion 45A of the four cylinder head stud bolts 45 from the top 30A of the cylinder head 30. Has been placed. Therefore, the breather chamber 54 provided in the region M is not interfered with the head cover bolt 47, the secondary air supply passage 73, and the breather chamber discharge port 58, so that the space for gas-liquid separation in the breather chamber 54 is maximized.
- the function of the breather chamber (breather device) 54 can be improved.
- the breather chamber outlet 58 of the breather chamber 54 is provided inside the side wall surface 60 of the head cover 31 and does not protrude from the side wall surface 60 of the head cover 31.
- the breather hose 61 connected to the breather chamber discharge port 58 is disposed so as to straddle the cam chain sprocket 52 and can be prevented from projecting to the side of the engine 21 (vehicle width direction).
- the breather hose 61 and other parts can be prevented, and the vehicle width direction dimension can be reduced.
- the breather chamber 54 and the reed valve chamber 66 may be arranged on the upper portion of the head cover 31 at a position where they overlap each other in the cylinder axis 0 direction, that is, at substantially the same position (height).
- the breather chamber 54 in a part of the region M surrounded by the tip protruding portion 45A from the cylinder head top 30A in the cylinder head stud bolt 45, and the reed valve chamber 66 in the remaining part, The breather chamber 54 and the reed valve chamber 66 are arranged at substantially the same position (height) in the cylinder axis 0 direction. In this case, since the reed valve chamber 66 does not project from the top of the head cover 31, the head cover 31 can be made more compact.
- the present invention is applied to the engine mounted on the scooter type motorcycle 10 .
- the present invention is applied to other engines such as motorcycles, four-wheeled vehicles, and rough terrain vehicles. May be.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Description
11 車体フレーム
20 ピボット軸(支持軸)
21 エンジン
27 クランクケース
29 シリンダブロック
30 シリンダヘッド
30A シリンダヘッドの頂部
31 ヘッドカバー
45 シリンダヘッドスタッドボルト(シリンダヘッド締結手段)
45A 先端突出部分
46 ナット(シリンダヘッド締結手段)
47 ヘッドカバーボルト
54 ブリーザ装置(ブリーザ室)
58 ブリーザ室排出口
60 側壁面
65 2次空気供給装置
66 リードバルブ室
68 リードバルブ
73 2次空気供給通路
O シリンダ軸線
M 領域
Claims (7)
- 車体フレームと、車体フレームに搭載されたエンジンと、を備えた自動二輪車用エンジンであって、前記エンジンのクランク室から導入されるオイル分を含むブローバイガスの気液分離を行なうブリーザ室が、シリンダヘッドの頂部を覆うヘッドカバーの上部に設けられた自動二輪車用エンジンのブリーザ装置において、
前記シリンダヘッドはシリンダヘッド締結部手段を用いてシリンダブロックに締結され、このシリンダヘッド締結手段が前記シリンダヘッドの前記頂部から前記シリンダブロックの軸線方向に沿って突出して設けられ、
前記ブリーザ室が、シリンダ軸線方向において、前記シリンダヘッド締結手段における前記シリンダヘッド頂部からの突出部分と略同一位置に位置づけられたことを特徴とする自動車用エンジンのブリーザ装置。 - 前記シリンダヘッド締結手段が複数設けられ、これらのシリンダヘッド締結手段におけるシリンダヘッド頂部からの突出部分の全てまたは一部に囲まれた領域に、ブリーザ室が設けられたことを特徴とする請求項1に記載の自動車用エンジンのブリーザ装置。
- 前記シリンダヘッドに設けられた排気ポートへ2次空気を供給して排気ガス中の未燃焼成分を完全燃焼させる2次空気供給装置のリードバルブ室がヘッドカバーの上部に設けられ、このリードバルブ室が、シリンダ軸線方向においてブリーザ室の上方に配置されたことを特徴とする請求項1に記載の自動車用エンジンのブリーザ装置。
- 前記リードバルブ室から排気ポートへ2次空気を導く2次空気供給通路が、ブリーザ室の外側に設けられたことを特徴とする請求項3に記載の自動車用エンジンのブリーザ装置。
- 前記ブリーザ室から分離ガスを排出するブリーザ室排出口と、ヘッドカバーをシリンダヘッドに取り付けるヘッドカバーボルトとが、複数のシリンダヘッド締結手段におけるシリンダヘッド頂部からの突出部分に囲まれた領域の外側に配置されたことを特徴とする請求項1に記載の自動車用エンジンのブリーザ装置。
- 前記ブリーザ室排出口が、ヘッドカバーの側壁面よりも内側に設けられたことを特徴とする請求項5に記載の自動車用エンジンのブリーザ装置。
- 前記エンジンは後部に後輪を軸支した伝動装置を一体に備えると共に、上下部に支持軸を備え、前記車体フレームに前記支持軸を介して上下方向に揺動可能に支持されたことを特徴とする請求項1に記載の自動車用エンジンのブリーザ装置。
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CN201180013296.5A CN102791969B (zh) | 2010-03-10 | 2011-03-08 | 用于摩托车的引擎的通气装置 |
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JP2010053186A JP5671818B2 (ja) | 2010-03-10 | 2010-03-10 | エンジンのブリーザ室レイアウト構造 |
JP2010-053186 | 2010-03-10 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014122583A (ja) * | 2012-12-21 | 2014-07-03 | Honda Motor Co Ltd | 鞍乗型車両のエアクリーナケース構造 |
Families Citing this family (4)
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TWI467122B (zh) * | 2011-09-14 | 2015-01-01 | Wan Chun Hsu | 離心式永久磁石加熱裝置 |
JP6179178B2 (ja) * | 2013-05-09 | 2017-08-16 | スズキ株式会社 | スクータ型車両のエアクリーナ構造 |
JP2015218648A (ja) * | 2014-05-16 | 2015-12-07 | スズキ株式会社 | 内燃機関のシリンダヘッド |
JP2016079817A (ja) * | 2014-10-10 | 2016-05-16 | スズキ株式会社 | 内燃機関のブローバイガス換気装置 |
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JPH0383304U (ja) * | 1989-12-13 | 1991-08-23 | ||
JPH09296720A (ja) * | 1996-05-02 | 1997-11-18 | Kubota Corp | 多気筒縦形頭上弁エンジン |
JP2007270707A (ja) * | 2006-03-31 | 2007-10-18 | Suzuki Motor Corp | スクーター型車両の二次空気供給装置 |
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JPH10176518A (ja) * | 1996-12-18 | 1998-06-30 | Fuji Heavy Ind Ltd | 振動機用エンジンの気液分離装置 |
JP2006037884A (ja) * | 2004-07-28 | 2006-02-09 | Yamato Hatsudoki Kk | レース艇用船外機のブローバイガスに対するオイル分離機構 |
JP4698623B2 (ja) * | 2007-02-09 | 2011-06-08 | 本田技研工業株式会社 | 内燃機関のブリーザ装置 |
JP2008215214A (ja) * | 2007-03-05 | 2008-09-18 | Toyota Motor Corp | ブローバイガス還元装置及びそのブローバイガス還元装置を備えた内燃機関 |
CN201103442Y (zh) * | 2007-10-31 | 2008-08-20 | 无锡开普动力有限公司 | 一种内燃机的通气装置 |
-
2010
- 2010-03-10 JP JP2010053186A patent/JP5671818B2/ja active Active
-
2011
- 2011-03-08 WO PCT/JP2011/055360 patent/WO2011111695A1/ja active Application Filing
- 2011-03-08 CN CN201180013296.5A patent/CN102791969B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0383304U (ja) * | 1989-12-13 | 1991-08-23 | ||
JPH09296720A (ja) * | 1996-05-02 | 1997-11-18 | Kubota Corp | 多気筒縦形頭上弁エンジン |
JP2007270707A (ja) * | 2006-03-31 | 2007-10-18 | Suzuki Motor Corp | スクーター型車両の二次空気供給装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014122583A (ja) * | 2012-12-21 | 2014-07-03 | Honda Motor Co Ltd | 鞍乗型車両のエアクリーナケース構造 |
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Publication number | Publication date |
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CN102791969A (zh) | 2012-11-21 |
JP5671818B2 (ja) | 2015-02-18 |
JP2011185203A (ja) | 2011-09-22 |
CN102791969B (zh) | 2014-10-15 |
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