WO2019064568A1 - Épurateur d'air - Google Patents

Épurateur d'air Download PDF

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Publication number
WO2019064568A1
WO2019064568A1 PCT/JP2017/035700 JP2017035700W WO2019064568A1 WO 2019064568 A1 WO2019064568 A1 WO 2019064568A1 JP 2017035700 W JP2017035700 W JP 2017035700W WO 2019064568 A1 WO2019064568 A1 WO 2019064568A1
Authority
WO
WIPO (PCT)
Prior art keywords
air cleaner
case
intake member
air
cleaner case
Prior art date
Application number
PCT/JP2017/035700
Other languages
English (en)
Japanese (ja)
Inventor
久保俊博
牧理
Original Assignee
本田技研工業株式会社
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 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to PCT/JP2017/035700 priority Critical patent/WO2019064568A1/fr
Priority to JP2019544166A priority patent/JPWO2019064568A1/ja
Publication of WO2019064568A1 publication Critical patent/WO2019064568A1/fr
Priority to JP2021109197A priority patent/JP2021167605A/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles

Definitions

  • the present invention relates to an air cleaner that supplies air introduced into an air cleaner case from the outside to an internal combustion engine via an intake member.
  • an intake member inserted from the outside through an opening of an air cleaner case is used in an air cleaner case using one connecting portion for closing the opening and one rib member. Fixing is disclosed.
  • an object of this invention is to provide the air cleaner which can suppress generation
  • the present invention is an air cleaner provided with an air cleaner case into which air is introduced from the outside and a cylindrical intake member for supplying the air introduced into the air cleaner case to an internal combustion engine, and has the following features.
  • the air cleaner is formed in the air cleaner case, and an opening for inserting the tip end of the intake member into the air cleaner case, and the location of the opening in the intake member is the air cleaner case
  • the air cleaner case further includes two fixed portions provided in the air cleaner case for fixedly supporting the tip end side of the intake member inserted in the air cleaner case. In this case, a region connecting the fixed support portion and the two fixed portions is formed in a substantially triangular shape.
  • the air cleaner case has the two fixing portions and the opening portion, and includes a case portion into which the tip end portion of the intake member is inserted and one surface is open to form a split surface.
  • the two fixing portions are formed to extend to the split surface side. Further, on the tip end side of the intake member, two protrusions which protrude from the intake member and are supported by the two fixing portions are formed.
  • the two projecting portions project in parallel with the split surface from the outer peripheral surface on the tip end side with the tip end side of the intake member interposed therebetween.
  • the air cleaner further includes a rib extending from the air cleaner case toward the tip end of the intake member and in contact with the tip end of the intake member.
  • the rib is a part of the two fixing portions.
  • the air cleaner further includes an element member accommodated in the air cleaner case and filtering the air introduced from the outside.
  • the tip end side of the intake member is disposed in parallel with the element member.
  • the tip end side of the intake member is fixed in the air cleaner case by the fixed support portion and the two fixing portions so as to form a substantially triangular area. Even if the number of fixed points is small, the air cleaner case and the intake member can be firmly fixed to suppress the generation of noise and the like due to the vibration of the vehicle.
  • the fixing portion extends toward the split surface, and the projecting portion is supported by the fixing portion, so that the assemblability of the intake member to the fixing portion is facilitated.
  • a triangular region is formed by the two fixing portions and the fixing support portion so that the tip end side of the intake member is included as viewed from the dividing surface. Therefore, the tip end side of the intake member can be firmly and easily fixed to the air cleaner case.
  • the tip end side of the intake member can be more firmly fixed to the air cleaner case by the rib being in contact with the tip end side of the intake member.
  • the strength of the two fixing portions for fixing the tip end side of the intake member can be enhanced.
  • the intake passage of the intake member can be made long.
  • FIG. 1 is a right side view of a motorcycle equipped with an air cleaner according to the present embodiment.
  • FIG. 2 is a side view of the air cleaner of FIG. 1 as viewed from the rear of the motorcycle. It is a partial top view of the air cleaner which fractured
  • FIG. 6A is a side view illustrating a part of the insertion portion
  • FIG. 6B is a side view schematically illustrating a connection relationship between the intake member and the air cleaner case.
  • FIG. 10 is a side view schematically illustrating another configuration example of the connection relationship between the intake member and the air cleaner case.
  • FIG. 1 is a right side view of a motorcycle 10 as a saddle-ride type vehicle equipped with an air cleaner 62 according to the present embodiment.
  • front-rear, left-right, and top-bottom directions will be described according to the direction viewed from the driver (passenger) seated on the motorcycle 10.
  • the component on the left side is given the symbol "L” following the reference numeral.
  • the reference numerals may be followed by the symbol "R".
  • the motorcycle 10 includes a front wheel 12 which is a steered wheel, a steering wheel 14 which steers the front wheel 12, a body frame 16 which constitutes a vehicle body, an internal combustion engine 18 which is a drive source, a rear wheel 20 which is a drive wheel, a seat 22 and the like. .
  • the front wheels 12 are rotatably supported by a pair of left and right front forks 26L, 26R which are provided in front of the vehicle body and supported by head pipes 24 of the vehicle body frame 16.
  • a front fender 28 covering the upper side of the front wheel 12 is attached to the front forks 26L, 26R.
  • a steering shaft is rotatably held by the head pipe 24, and a handle 14 is connected to an upper end portion of the steering shaft.
  • the steering wheel 14 is symmetrically extended in the vehicle width direction centering on a connecting portion with the steering shaft, and the driver operates the steering wheel 14 so that the front wheel 12 can be operated via the steering shaft and the front forks 26L and 26R. You can change the orientation of
  • the vehicle body frame 16 is connected to the head pipe 24 and the head pipe 24 and extends rearward while inclining slightly downward diagonally, and a main frame 30 whose rear end is bent and extends downward, and a bent portion of the main frame 30
  • a pair of left and right seat rails 32L and 32R extending rearward and obliquely upward, and a single down frame 34 extending rearward while inclining obliquely downward from the head pipe 24 are provided.
  • the seat rails 32L, 32R are supported by support frames 35L, 35R connecting the rear end of the main frame 30 and the seat rails 32L, 32R.
  • the front portion of the crankcase 36 constituting the internal combustion engine 18 is attached to the support bracket 38 at the lower part of the down frame 34.
  • the rear portion of the crankcase 36 is attached to a support bracket 40 provided at the rear end of the main frame 30.
  • the internal combustion engine 18 is supported by the vehicle body frame 16.
  • a rear fork 44 extending rearward is pivotally supported by a pivot shaft 42 provided at the rear end of the main frame 30, and a rear wheel 20 is pivotally supported by the rear end of the rear fork 44.
  • a rear cushion 46 is interposed between the rear fork 44 and the seat rail 32R.
  • a fuel tank 48 is provided at a position above the internal combustion engine 18 in the main frame 30 so as to straddle both left and right sides.
  • a seat 22 is provided behind the fuel tank 48 by being supported by the seat rails 32L, 32R.
  • the internal combustion engine 18 is, for example, a SOHC type single-cylinder four-stroke internal combustion engine, in which a crankshaft (not shown) is oriented in the vehicle width direction with respect to the vehicle body It is suspended by On the right side of the crankcase 36, a cover member 50 for protecting an ACG (AC generator) constituting an internal combustion engine 18, a clutch and the like is attached.
  • a crankshaft (not shown) is oriented in the vehicle width direction with respect to the vehicle body It is suspended by On the right side of the crankcase 36, a cover member 50 for protecting an ACG (AC generator) constituting an internal combustion engine 18, a clutch and the like is attached.
  • ACG AC generator
  • the cylinder block 52 and the cylinder head 54 are disposed in order with respect to the crankcase 36 obliquely above the crankcase 36 accommodating the crankshaft.
  • the cylinder head cover 56 is provided at the upper end of the cylinder head 54. It is covered. Therefore, the cylinder block 52, the cylinder head 54 and the cylinder head cover 56 are slightly inclined forward from the crankcase 36.
  • An intake pipe 60 is connected to an intake port 58 on the rear surface of the cylinder head 54.
  • the intake pipe 60 extends rearward and is connected to the air cleaner 62.
  • the air cleaner 62 is supported by the main frame 30, the seat rails 32L, 32R, and the support frames 35L, 35R.
  • an exhaust pipe 66 is connected to the exhaust port 64 on the front surface of the cylinder head 54.
  • An exhaust pipe 66 is bent downward from the cylinder head 54 and extends along the down frame 34, and is further bent rearward to extend a rearward direction of the internal combustion engine 18 and a first pipe portion 68; And a second pipe portion 70 connected to the rear end and extending rearward.
  • the first pipe portion 68 is connected to the exhaust port 64 and is connected to the upstream connection pipe portion 68a bent downward from the cylinder head 54 and the rear end portion of the upstream connection pipe portion 68a, and is cylindrical in which the catalyst 72 is accommodated.
  • the catalyst outer cylinder 68b is connected to the rear end portion of the catalyst outer cylinder 68b, and the downstream connection pipe portion 68c is bent and extends rearward.
  • Attached to the downstream connection pipe 68c is an exhaust gas sensor 74 for detecting an exhaust gas which is discharged from the exhaust port 64 and flows through the catalyst 72 to the second pipe 70 side (downstream side) in the downstream connection pipe 68c. It is done.
  • the second pipe portion 70 includes a muffler 70a and a diffuser pipe 70b which is inserted into the muffler 70a and connected to the downstream connection pipe portion 68c.
  • the rear end portion (support bracket 40) of the main frame 30 is connected to a brake pedal 76 operated by a driver sitting on the seat 22 with his / her foot.
  • the brake pedal 76 extends forward from the rear end portion of the main frame 30 along the downstream connection pipe portion 68c below the internal combustion engine 18, and the front end portion has a step-in portion 76a which the driver depresses with a foot. It is provided. Further, between the bottom of the internal combustion engine 18 and the brake pedal 76, there is provided a footrest 78 on which the driver places his / her feet while the motorcycle 10 is traveling.
  • the air cleaner 62 which concerns on this embodiment is arrange
  • the air cleaner 62 has a triangular shape.
  • the air cleaner 62 includes an air cleaner case 120 into which air is introduced from the outside, and a cylindrical intake member 122 which supplies the air introduced into the air cleaner case 120 to the internal combustion engine 18. Prepare.
  • the intake member 122 is connected to the intake pipe 60. In FIGS. 3 to 5, a part of the air cleaner case 120 is broken away.
  • the air cleaner case 120 includes a first case portion 124 whose right side surface is open, and a cylindrical second portion 124 connected to one surface side of the first case portion 124.
  • a case portion 126 and a cover portion 128 closing the second case portion 126 are provided. Therefore, an internal space is formed in the air cleaner case 120.
  • a split surface 132 is formed between the first case portion 124 and the second case portion 126 by opening the right side surface (the side surface on the second case portion 126 side) of the first case portion 124. .
  • the cover portion 128 is formed with an outside air introduction port (not shown) for introducing air from the outside. Between the cover portion 128 and the second case portion 126, the internal space of the air cleaner case 120 is divided into a space on the cover portion 128 side and a space on the first case portion 124 and the second case portion 126 side, and the outside air introduction
  • the element 130 which filters the air introduced from the mouth and passes it to the space on the side of the first case portion 124 and the second case portion 126 is disposed.
  • the element 130 is disposed parallel to the split surface 132 of the first case portion 124 and the second case portion 126, supports an element member 130a that filters air, and supports the side surface of the element member 130a.
  • the edge of the frame 130b is fitted between the recess 134 formed on the edge on the cover 128 side of the second case 126 and the recess 136 formed on the edge of the cover 128.
  • the frame 130 b is held between the second case portion 126 and the cover portion 128.
  • the element member 130 a is disposed between the second case portion 126 and the cover portion 128 so as to be parallel to the split surface 132.
  • the first case portion 124 has a shape in which a front portion and a rear portion of the left side surface bulge outward (left side) in the vehicle width direction.
  • the front surface of the first case portion 124 is provided with an opening 138 which is a through hole, and the tip of the intake member 122 is inserted through the opening 138.
  • the intake member 122 is a base end portion of the intake member 122, and is a resin connecting member 140 connected to the intake pipe 60 (see FIG. 1) and a distal end portion of the intake member 122. And an insertion member 142 made of resin and inserted into the first case portion 124.
  • the tip end portion of the connecting member 140 is inserted into the opening 138, and the portion of the opening 138 in the connecting member 140 is fixedly supported by the first case portion 124 by the cylindrical fixing support portion 144.
  • the fixed support portion 144 may be a part of the first case portion 124, as shown in FIGS. 3 to 5, or may be a separate member from the first case portion 124 and the connecting member 140. .
  • the proximal end portion of the insertion member 142 is inserted into the distal end portion of the connection member 140 and is fixed and supported, and the distal end portion is open to the space in the first case portion 124. Accordingly, the air having passed through the element member 130 a is supplied to the intake pipe 60 (see FIG. 1) through the intake passage in the insertion member 142 and the connection member 140. As shown in FIGS. 2 to 5, the insertion member 142 extends in parallel with the split surface 132 in the internal space between the middle portion of the left side surface of the first case portion 124 and the split surface 132.
  • the insertion member 142 has a left semicircular portion 142a and a right semicircular portion 142b as shown in FIGS. 2, 4, 5 and 6B, and extends vertically from the left semicircular portion 142a.
  • the flange portions 146a and 148a and the flange portions 146b and 148b extending vertically from the right semicircular portion 142b are integrally stacked and welded.
  • a triangular protrusion protruding upward is provided at a position on the tip end side of the insertion member 142 in the upper flange portion 146b of the right half circle portion 142b. 150 are formed.
  • a triangular projecting portion 152 projecting downward is formed at a position on the base end side of the insertion member 142 in the lower flange portion 148b of the right side semicircular portion 142b.
  • the flanges 146 a, 146 b, 148 a, 148 b and the protrusions 150, 152 extend in parallel with the split surface 132.
  • Two fixing portions 154 and 156 are provided so as to extend toward the split surface 132 toward the insertion member 142 from the central portion of the left side surface of the first case portion 124 corresponding to the protrusions 150 and 152. (See FIG. 2, FIG. 3, FIG. 5 and FIG. 6B).
  • One fixing portion 154 has a rib 154 a having a substantially cross-shaped cross section extending toward the upper projecting portion 150.
  • the projecting portion 150 and the fixing portion 154 are connected and fixed by a mounting portion 154 c such as a rivet.
  • the other fixing portion 156 has a rib 156 a having a substantially cross-shaped cross section extending toward the lower protrusion 152.
  • the projecting portion 152 and the fixing portion 156 are connected and fixed by a mounting portion 156 c such as a rivet.
  • the two fixing portions 154, 156 and the fixing support portion 144 form a triangular area 158 shown in FIG. Is formed. That is, the triangular area 158 is a contact point between the vertex 158 a on the attachment portion 154 c side of the fixed portion 154, the vertex 158 b on the attachment portion 156 c side of the fixed portion 156, and the opening 138 in the fixed support portion 144. And a triangular area having 158c. In this case, it is desirable that a triangular area 158 be formed so that a part of the insertion member 142 is included.
  • the apex 158 c may be any point of the contact portion with the opening 138 in the outer portion of the fixed support 144.
  • the configuration shown in FIG. 6B can be changed to the configuration shown in FIG. In FIG. 7, in the upper and lower flange portions 146a and 148a provided on the left semicircular portion 142a of the insertion member 142, other protrusions 160 and 162 are provided in parallel with the protrusions 150 and 152, respectively. Accordingly, on the upper side of the insertion member 142, the two protrusions 150 and 160 overlap in the left-right direction, while on the lower side of the insertion member 142, the two protrusions 152 and 162 overlap in the left-right direction.
  • the rib 154a of the fixing portion 154 abuts on the upper projecting portion 160, and the mounting portion 154c couples and fixes the two projecting portions 150 and 160 and the fixing portion 154 (rib 154a). Further, the rib 156a of the fixing portion 156 abuts on the lower projecting portion 162, and the mounting portion 156c couples and fixes the two projecting portions 152, 162 and the fixing portion 156 (rib 156a).
  • the distal end side (the insertion member 142 and the distal end portion of the connecting member 140) of the intake member 122 is provided in the air cleaner case 120 by the fixed support portion 144 and the two fixing portions 154 and 156 so as to form a substantially triangular area 158. Since the air cleaner case 120 and the air intake member 122 are firmly fixed to each other, the air cleaner case 120 and the intake member 122 can be firmly fixed even when the fixing point is small. In this case, the two fixing portions 154 and 156 support the tip end side of the intake member 122 in a state of being mutually offset in the axial direction of the intake member 122. Thereby, the vibration of the intake member 122 can be effectively suppressed.
  • the fixing portions 154 and 156 extend toward the split surface 132 and the protrusions 150 and 152 are supported by the fixing portions 154 and 156, the assembly of the intake member 122 (the insertion member 142) to the fixing portions 154 and 156 Sex becomes easy.
  • a triangular area 158 is formed by the two fixing portions 154 and 156 and the fixing support portion 144 so that a part of the insertion member 142 is included.
  • the tip end side of the intake member 122 can be fixed firmly and easily.
  • the insertion member 142 can be more firmly fixed to the air cleaner case 120.
  • the strength of the two fixing portions 154, 156 for fixing the insertion member 142 can be enhanced by having the two fixing portions 154, 156 respectively having the ribs 154a, 156a. And since each rib 154a, 156a is a cross-sectional substantially cross shaped rib, the intensity
  • the intake passage of the insertion member 142 can be elongated.

Abstract

L'invention concerne un épurateur d'air (62) comprenant : une partie ouverture (138) destinée à permettre l'insertion d'un élément d'insertion (142) d'un élément d'admission d'air (122) dans une première partie de boîtier (124) d'un boîtier d'épurateur d'air (120), la partie ouverture (138) étant formée dans la première partie de boîtier (124) ; une partie support fixe (144) qui soutient de manière fixe l'emplacement de la partie ouverture (138) dans l'élément d'admission d'air (122) sur la première partie de boîtier (124) ; et deux parties fixes (154, 156) qui soutiennet de manière fixe l'élément d'insertion (142) inséré dans la première partie de boîtier (124). Une zone (158) qui relie la partie support fixe (144) et les deux parties fixes (154, 156) est formée en une forme sensiblement triangulaire.
PCT/JP2017/035700 2017-09-29 2017-09-29 Épurateur d'air WO2019064568A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2017/035700 WO2019064568A1 (fr) 2017-09-29 2017-09-29 Épurateur d'air
JP2019544166A JPWO2019064568A1 (ja) 2017-09-29 2017-09-29 エアクリーナ
JP2021109197A JP2021167605A (ja) 2017-09-29 2021-06-30 エアクリーナ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/035700 WO2019064568A1 (fr) 2017-09-29 2017-09-29 Épurateur d'air

Publications (1)

Publication Number Publication Date
WO2019064568A1 true WO2019064568A1 (fr) 2019-04-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/035700 WO2019064568A1 (fr) 2017-09-29 2017-09-29 Épurateur d'air

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JP (2) JPWO2019064568A1 (fr)
WO (1) WO2019064568A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019065750A (ja) * 2017-09-29 2019-04-25 スズキ株式会社 車両用内燃機関の吸気装置
JP7475385B2 (ja) 2022-03-22 2024-04-26 本田技研工業株式会社 鞍乗型車両

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08210204A (ja) * 1995-02-01 1996-08-20 Nippondenso Co Ltd 内燃機関の吸気装置
JP2008142973A (ja) * 2006-12-07 2008-06-26 Inoac Corp 車両内装部材の製造方法
JP2013107421A (ja) * 2011-11-17 2013-06-06 Toyota Motor Corp 自動車用ドアトリムの取付構造
JP2015045320A (ja) * 2013-07-31 2015-03-12 本田技研工業株式会社 車両のエアクリーナ装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6069154B2 (ja) * 2013-09-27 2017-02-01 本田技研工業株式会社 小型車両の吸気装置
JP6579847B2 (ja) * 2015-07-31 2019-09-25 株式会社マーレ フィルターシステムズ ダクト組付構造

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08210204A (ja) * 1995-02-01 1996-08-20 Nippondenso Co Ltd 内燃機関の吸気装置
JP2008142973A (ja) * 2006-12-07 2008-06-26 Inoac Corp 車両内装部材の製造方法
JP2013107421A (ja) * 2011-11-17 2013-06-06 Toyota Motor Corp 自動車用ドアトリムの取付構造
JP2015045320A (ja) * 2013-07-31 2015-03-12 本田技研工業株式会社 車両のエアクリーナ装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019065750A (ja) * 2017-09-29 2019-04-25 スズキ株式会社 車両用内燃機関の吸気装置
JP7475385B2 (ja) 2022-03-22 2024-04-26 本田技研工業株式会社 鞍乗型車両

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JPWO2019064568A1 (ja) 2020-12-10

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