CN103362701B - The getter device of internal combustion engine - Google Patents
The getter device of internal combustion engine Download PDFInfo
- Publication number
- CN103362701B CN103362701B CN201310116932.8A CN201310116932A CN103362701B CN 103362701 B CN103362701 B CN 103362701B CN 201310116932 A CN201310116932 A CN 201310116932A CN 103362701 B CN103362701 B CN 103362701B
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- China
- Prior art keywords
- partition wall
- air
- wall portion
- getter device
- cover
- Prior art date
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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
- F02M35/14—Combined air cleaners and silencers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The getter device of a kind of internal combustion engine, has and is made up of main body (51) and cover (52) and is being internally formed the housing (50) in space；Partition member (53), the space of the inside of housing is divided into the dirty side (56) being formed with dirty side room (561) and lead-in path (562) and the clean side (57) being formed with cleaning side room (571) by this partition member；Obtain the suction unit (523) of air to dirty side from hull outside, it is formed in dirty side and extends along a part for the side of sidewall portion (522) of housing from suction unit and between a part for side of sidewall portion, form the partition wall portion (58) of lead-in path (562), further, the intermediate formation on the bearing of trend of partition wall portion makes lead-in path connect into the negotiable intercommunicating pore of air (525) with dirty side room.Getter device by above-mentioned internal combustion engine, it is achieved the reduction of noise.
Description
Technical field
The present invention relates to the getter device of a kind of internal combustion engine.Specifically, the present invention relates to one in outside obtains
The air of the burning of combustion engine is cleaned and is supplied to the getter device of internal combustion engine.
Background technology
In motorcycle, it is provided with the getter device for the air to internal combustion engine supply burning.In conventional air-breathing
In device, be configured to therein, be provided for the filter filter element of clean air, and, be formed for
The air of suction is imported to the circulation path of filter.Further, in such getter device, as being used for realizing
The reduction structure of inhaled sound, it has been suggested that such as described in patent documentation 1 structure.Described in patent documentation 1
The lid of getter device (air filter) forms partitions, and this getter device has at the side of sidewall portion of lid and separates
The structure of distribution channel it is formed with between portion.Further, the getter device of patent documentation 1 is wished by distribution channel
Make sucked air rectification, thus realize the reduction of inhaled sound.
But, constructing described in patent documentation 1 has problem as described below.By the side of sidewall portion of lid and separating
In the structure of the distribution channel that wall forms air, the length of the distribution channel chi by getter device (particularly lid)
Very little, shape determines.It is thus impossible to increase distribution channel, the rectification of air-breathing to become insufficient, possibly cannot realize inhaling
The reduction of aspirant.During it addition, increase distribution channel, the air column resonance noise produced in distribution channel becomes big, and noise can
Can be able to increase.During additionally, increase distribution channel, the pressure loss becomes big, may cause output low of electromotor.
Prior art literature
Patent documentation 1: Japanese Unexamined Patent Publication 59-121466 publication
Summary of the invention
In view of described truth, the problem that the invention solves the problems that is in the getter device (air filter) of internal combustion engine,
Realize the reduction of noise.
Solve the means of problem
For solving described problem, the present invention relates to a kind of getter device to the air of internal combustion engine supply burning (empty
Air cleaner), it is characterised in that having: housing, this housing is being internally formed space, and by main body and cover
Constitute；The getter device of this internal combustion engine also has in the space of the inside of described housing: dirty side, and this dirty side is formed
There is dirty side room and introduce air into the lead-in path in described dirty side room；Clean side, this clean side is formed clearly
Clean side room；And partition member, this partition member separates described dirty side and described clean side, described main body with institute
State partition member and the relative side opening of described cover, described cover with described partition member and described main body phase
To side opening, described partition member is formed in the way of covering the opening of the opening of described main body and described cover,
Described cover has suction unit, and air is taken into described dirty side by this suction unit from the outside of described housing, described
Suction unit highlights laterally from the outer peripheral edge of described cover, and towards the side opening of described partition member, described separation
Parts have and are formed as the partition wall of tabular, air entry and filter element installation portion, and described air entry is located at described point
The outside of the outer peripheral edge in next door and be tubular through on the thickness direction of described partition wall, described air entry is with described
Suction unit connects, and the air being taken into the outside from described housing by described suction unit is imported to described dirty side room,
Be formed in described dirty side from described suction unit along the sidewall of described housing a part extend, with described sidewall
A part between form the partition wall portion of described lead-in path, and, on the bearing of trend of described partition wall portion
Intermediate formation has with described dirty side room, described lead-in path is connected into the intercommunicating pore that air can circulate.
Described dirty side is the upstream side (atmospheric side) of suction pathway, and described dirty side room is be arranged on suction pathway upper
The cabin of stream side (atmospheric side), described clean side is the downstream side (internal combustion engine side) of suction pathway, described cleaning side room
For being arranged on the cabin of the downstream side (internal combustion engine side) of suction pathway.
Described intercommunicating pore is characterised by, is formed at the downstream of the flow direction of air from described suction unit.
Described intercommunicating pore is characterised by, is formed at from the top from bearing of trend of described partition wall portion to terminal
The 1/3 of distance～the scope of 2/3.
Described partition wall portion is characterised by, is formed at the bending section bent around of described suction unit with described
The end side of bending section is shaped generally as the line part of straight line, and described intercommunicating pore is formed at described line part.
Described intercommunicating pore is characterised by, is arranged on the substantially central portion in the short transverse of described partition wall portion.
Described housing has main body and is installed on the cover of described main body dismantledly, described partition wall portion one bodily form
Cover described in Cheng Yu.
Invention effect
Use the present invention, by connection lead-in path and the intercommunicating pore in dirty side room of the centre at lead-in path, it is possible to
Release pressure of inspiration(Pi).Therefore, it is possible to make sympathetic response sound reduce, it is possible to realize the reduction of the noise that getter device sends.
Accompanying drawing explanation
Fig. 1 is the left side view of the structure of the motorcycle showing schematically the getter device being suitable for embodiment of the present invention.
Fig. 2 is that the right side of the structure showing schematically the motorcycle being suitable for the getter device described in embodiment of the present invention regards
Figure.
Fig. 3 is the right side view of the installation constitution showing schematically engine unit and getter device.
Fig. 4 is the exploded perspective view of the structure showing schematically getter device, is the figure seen obliquely from the front.
Fig. 5 is the exploded perspective view of the structure showing schematically getter device, is the figure in terms of rear ramp.
Fig. 6 is the sectional view of the structure showing schematically getter device.
Fig. 7 is the figure of the structure showing schematically lead-in path and dirty side room.
Fig. 8 is suction unit and the sectional view of lead-in path seen from above.
Fig. 9 is the sectional view of the structure showing schematically lead-in path and dirty side room, is to the figure seen from side.
Figure 10 is the curve chart of the effect representing embodiment.
Symbol description
5: getter device
50: housing
51: main body
52: cover
53: partition member
54: filter filter element
56: dirty side
57: clean side
58: partition wall portion
511: side of sidewall portion
521: front wall portion
522: side of sidewall portion
523: suction unit
525: intercommunicating pore
531: partition wall
532: air entry
533: filter element installation portion
534: the first holding sections
561: dirty side room
562: lead-in path
571: cleaning side room
581: otch
582: the first bending sections
583: line part
584: the second bending sections
Detailed description of the invention
Below, about embodiments of the present invention, it is described in detail with reference to the accompanying drawings.In the following description, originally
The structure that the getter device 5 (air filter) of the internal combustion engine involved by embodiment of invention is suitable for motorcycle 1
It is indicated as a example by making.For the convenience of explanation, the getter device 5 of the internal combustion engine involved by embodiments of the present invention
The most also " getter device " it is only called.It addition, in the following description, getter device 5 and applicable getter device
On the basis of all directions of the motorcycle 1 of 5 are the direction to take the driver on motorcycle 1.In the various figures,
As required, the front arrow Fr of getter device 5 and motorcycle 1 represents, rear arrow Rr represents, on
Side arrow Tp represents, lower section arrow Bt represents, right side is indicated by the arrow R, left side is indicated by the arrow L.
First, with reference to Fig. 1～Fig. 3 structure of motorcycle 1 and the peace of getter device 5 to being suitable for getter device 5
Assembling structure illustrates.Fig. 1 is the left side view of the structure of the motorcycle 1 showing schematically and being suitable for getter device 5.
Fig. 2 is the right side view of the structure of the motorcycle 1 showing schematically and being suitable for getter device 5.Fig. 3 is to show schematically
The right side view of the installation constitution of getter device 5.
As depicted in figs. 1 and 2, motorcycle 1 comprise vehicle body frame 11, steering gear 12, engine unit 13,
Rear wheel suspension device 14.Additionally, be equipped with getter device 5 on motorcycle 1.In the present embodiment, suitable as inhaling
With the motorcycle 1 of device of air 5, it is indicated as a example by the motorcycle 1 with so-called camber beam-type vehicle body frame 11.
Vehicle body frame 11 is configured to contain the afterframe 113 turning to head tube 111, main frame 112 and pair of right and left.Turn
The tubulose of hypsokinesis is formed as to head tube 111.Main frame 112 is formed as from the rear portion turning to head tube 111 to rear tiltedly
Extend is bar-shaped.The afterframe 113 of pair of right and left is formed as the rod extended from the rear portion of main frame 112 to oblique back upper place
Shape, and in the lateral direction mutually across the distance of regulation.Turn to head tube 111, main frame 112 and afterframe
113 are formed by ferrous material or aluminium alloy etc. respectively, and it is integrated by welding etc. is engaged.
Steering gear 12 comprises front-wheel 121, steering spindle 122, the front fork 123 of pair of right and left and handle unit 124.
Steering spindle 122 is rotatably supported on the turning in head tube 111 of vehicle body frame 11.The front fork 123 of pair of right and left
Upper end is engaged with in steering spindle 122.The bottom of the front fork 123 of pair of right and left is pivotably supported front-wheel 121.
Additionally, be provided with front mudguard 151 and the front-wheel on the top covering front-wheel 121 on the front fork 123 of pair of right and left
The rim circle brake 125 of 121.Handle unit 124 is arranged on the upper end of steering spindle 122, and it is by turning to head tube
111 be supported for rotatable.Handle unit 124 has handle cover 127 and left and right handle grips 126.Handle grips
126 are set to highlight to the left and right from handle cover 127.Be provided with instrument pack (Tu Zhong saves on the top of handle cover 127
Slightly).The meters such as speed measuring instrument it are provided with at instrument pack.Additionally, be provided with head lamp in the front portion of handle cover 127
174.In addition, handle cover 127 is provided with the Switch etc. for operating lamp & lantern.
Engine unit 13 (internal combustion engine) is fixed on the downside of main frame 112.Engine unit 13 comprises cylinder
Assembly 131, crankcase component 132 and clutch 133.
Cylinder assembly 131 comprises cylinder block, cylinder head and valve mechanism cover.Inside cylinder block, it is formed with combustor,
Further, be disposed of can be with reciprocating movement for piston.Cylinder head is arranged on the front side of cylinder block.It is formed at cylinder head
The air inlet 134 of the outside of connection combustor and cylinder block and air vent 135.Valve mechanism cover is as cylinder head
The parts of lid, it is provided in the front side of cylinder head.
In the inside of crankcase component 132, form crankcase in front side, form change speed gear box at rear side.At crankcase
Inside, is rotatably equipped with bent axle.In the inside of change speed gear box, rotatably it is equipped with jackshaft and driven shaft, and
And, it is provided with change speed gear box.The end of driven shaft highlights in the left hand external of crankcase component 132.Further, driven
The end of axle is provided with drive sprocket.Drive sprocket is covered lid by sprocket wheel.It is equipped on the right side of crankcase component 132
Clutch 133.Additionally, in the left side of crankcase component 132, in the front of drive sprocket, be provided with as generating
The magneto of machine and make the starter that engine unit 13 starts.
Rear wheel suspension device 14 is configured to contain the swinging axle 142 of trailing wheel 141 and pair of right and left.
Trailing wheel 141 has been wholely set driven sprocket (be blocked in the drawings and cannot see).The swinging axle of pair of right and left
The leading section of 142 is pivotably connected near the rearward end of main frame 112 or its at above-below direction.At swinging axle
The rearward end support of 142 has rotatable trailing wheel 141.At the drive sprocket of engine unit 13 and trailing wheel 141
Around hanging with driving chain on driven sprocket, and by driving chain will to be delivered to trailing wheel from the power of engine unit 13
14.Further, the side at a pair swinging axle 142 is provided with drive chain case 143, the driven sprocket of trailing wheel 141 and driving
Dynamic chain is incorporated in this drive chain case 143.
Between each swinging axle 142 and each afterframe 113 of pair of right and left of pair of right and left, it is provided with impact damping
Device 144.Above trailing wheel 14, it is provided with rear mudguard 152.
In addition, it is provided above, at afterframe 113, the seat cushion 153 that driver takes a seat.Seat cushion 153 times
Side, is provided with side cover 154.It addition, in the lower section of seat cushion 153, be provided with fuel tank or containing box (all omit
Diagram).In the front side on the top turning to head tube 111 and front fork 123, protecgulum 155 is installed, at their rear side
Legging 156 is installed.Protecgulum 155 and legging 156 have the width of regulation in the lateral direction so that protection is sat
The lower part of the body of the driver on seat cushion 153.Side cover 154, protecgulum 155, legging 156 are by such as synthesizing tree
The parts that fat material is formed, it constitutes the appearance style of motorcycle 1.It addition, at the cylinder assembly of engine unit 13
The air vent 135 of 131 connects the front end having exhaustor 172, and the rear end of exhaustor 172 is provided with deafener 173.
As it is shown on figure 3, getter device 5 is arranged on the front oblique upside of the cylinder assembly 131 of engine unit 13.Further,
Getter device 5 is fixed on the downside of main frame 112.Getter device 5 obtains engine unit 13 (internal combustion from outside
Machine) the air of burning, impurity screening (dust etc.) is cleaned.Further, getter device 5 supply is started
Air after machine unit 13 cleaning.Getter device 5 has housing 50, externally to the suction obtaining air in housing 50
QI KOU 532 and the ventilator 55 from the housing 50 air to engine unit 13 (internal combustion engine) supplying clean.Inhale
QI KOU 532 is positioned at the upside of getter device 5, and it is to rear openings.Ventilator 55 is connected as can be to engine unit
The air inlet 134 of the cylinder assembly 131 of 13 supplies air.It addition, as it is shown on figure 3, in the ventilation of getter device 5
Between cylinder 55 and air inlet 134, it is provided with the throttle-valve body 171 of the air that fuel is mixed into burning.
Then, about the unitary construction of getter device 5, illustrate with reference to Fig. 4～Fig. 6.Fig. 4 is signal earth's surface
Show the exploded perspective view of the structure of getter device 5, be the figure seen obliquely from the front.Fig. 5 is to show schematically getter device
The exploded perspective view of the structure of 5, is the figure in terms of rear ramp.Fig. 6 is the inside structure showing schematically getter device 5
The sectional view made, is to block getter device 5 and figure seen from above at generally horizontal plane.As shown in Fig. 4～Fig. 6,
Getter device 5 has the housing 50 that is made up of main body 51 and cover 52, filtering element crossed by partition member 53, filter
Part 54 and ventilator 55.Partition member 53 and cover 52 are installed in the main body 51 of housing 50 dismantledly
On.Filter filter element 54 is installed on partition member 53.
Housing 50 is made up of main body 51 and cover 52, and it has been internally formed space.
The main body 51 of housing 50, as entirety, its side relative with partition member 53 and cover 52 is (at this
Embodiment is front side) opening, and there is the structure in the box like being internally formed cavity.Further, main body 51
Internal space is as cleaning side room 571.In main body 51, it is provided with and cleaning side room 571 is become air with ft connection
Negotiable logical ventilator 55.In the front end (end of partition member 53 side) of the side of sidewall portion 511 of main body 51, shape
Become to have slot 512.This slot 512 is the 3rd holding section 536 (aftermentioned) that can engage partition member 53
Groove.At the upper surface of the side of sidewall portion 511 of main body 51, in order to avoid the interference of the main frame 112 with vehicle body frame 11
And it is formed with the recess to downside depression.It addition, the concrete shape of main body 51 is not particularly limited.
The cover 52 of housing 50 has to partition member 53 and main body 51 side (in present embodiment as entirety
Rear side) structure of box like (in other words, hypocrateriform) at the shallow end of opening.Further, the inner space of cover 52 by
Dirty side room 561 and import to dirty side room 561 air lead-in path 562 (aftermentioned) constitute.
As shown in Figure 4 and Figure 5, cover 52 has front wall portion 521, side of sidewall portion 522, suction unit 523 and interval
Wall portion 58.Front wall portion 521 is formed as tabular, and the partition wall 531 of itself and partition member 53 is across the distance of regulation.
(in other words, side of sidewall portion 522 is formed as the band plate-like that erects from the outer peripheral edge of front wall portion 521 to partition member 53 side
Screen shape).Suction unit 523 is the portion imported to lead-in path 562 by the air obtained from outside by air entry 532
Point.
Suction unit 523 is prominent from side further out, the outer peripheral edge of front wall portion 521.In the present embodiment, such as Fig. 3
Shown in Fig. 4, suction unit 523 is heaved to upside from the upper surface of front wall portion 521.Further, side of sidewall portion 522 along
The outer peripheral edge of suction unit 523 is formed.Like this, suction unit 523 is to the side (rear side) of partition member 53 and antetheca
Side (downside) opening in portion 521, part (left and right sides and upside) in addition is surrounded by side of sidewall portion 522.
Partition wall portion 58 separates dirty side room 561 and lead-in path 562.Partition wall portion 58 is formed as from front wall portion 521
The wall-like (in other words, screen shape) erected to partition member 53 side.(begin in one end of the bearing of trend of partition wall portion 58
End) near the root (suction unit 523 and the boundary of front wall portion 521) of suction unit 523, and side of sidewall portion 522 1
Body ground connects.Further, partition wall portion 58 near the root of suction unit 523 at a prescribed interval wall along side of sidewall portion
The part extension of the regulation of 522.Partition wall portion 58 other end (terminal) in the direction of extension and side of sidewall portion 522
It is not connected to, and with side of sidewall portion 522 across the distance specified.Pars intermedia on the bearing of trend of partition wall portion 58, shape
Become to have otch 581.This otch 581 opens to partition member 53 side.It addition, about the structure of partition wall portion 58
Concrete condition is explained below.
End (end of partition member 53 side) on the projected direction of side of sidewall portion 522, forms oriented partition member
The slot 529 of 53 side openings.This slot 529 is the second holding section 535 (aftermentioned) that can engage partition member 53
Groove.
Front wall portion 521 and the partition wall portion 58 of cover 52 form.Such as, cover 52 entirely through
Resin material or metal material etc. form.If the structure that cover 52 is formed by resin material, then can
Enough it is suitable for the integral part of structure by injection molding etc..It addition, what if cover 52 was formed by metal material
Structure, then can be suitable for by casting, pressure casting method etc. integral part of structure.
Partition member 53 be the inner space of housing 50 is divided into dirty side 56 (upstream side) and clean side 57 (under
Trip side) parts.Partition member 53 has the partition wall 531 being formed as tabular.Partition wall 531 is formed as can nothing
Slot ground main body covered 51 peristome (leading section) and cover 52 peristome (rearward end) size and
Shape.Further, the partition wall 531 at partition member 53 be formed air entry 532, filter element installation portion 533,
First the 534, second holding section, holding section 535 and the 3rd holding section 536.
Air entry 532 has the upper through cylinder of the negotiable thickness direction at partition wall 531 of air (fore-and-aft direction)
The structure of shape.Further, air entry 532, in the outside of the outer peripheral edge of partition wall 531, is formed at corresponding cover 52
The position of suction unit 523.In present embodiment, air entry 532 is arranged on the upside of the top of partition wall 531.
Filter element installation portion 533 is the through hole of the most through partition wall 531, and it is negotiable that it has air
Structure.As shown in Fig. 4～Fig. 6, filter element installation portion 533 is installed in partition member 53 at cover 52
State under, be formed in the part (referring specifically to Fig. 6) of the inner peripheral surface becoming dirty side room 561.Further, exist
Filter element installation portion 533 is provided with filter filter element 54.Filter filter element 54 is to be led to by filtration
The air crossed is to remove the parts of the impurity (dust etc.) in air.It addition, filter filter element 54 is suitable for known
Various filter filter elements.Therefore, the explanation of filter filter element 54 is omitted.It addition, filter element is installed
The dimension and shape in portion 533 can suitably set, and has no particular limits.
First holding section 534 is the rear end (projected direction from front wall portion 521 of the partition wall portion 58 with cover 52
On end) part that engages, its be formed at position corresponding to the rear end of partition wall portion 58 with cover 52 and
Scope.Such as, the first holding section 534 is constituted by two ribbed of cover 52 lateral process.Further, cover
Between the rear end of the partition wall portion 58 of 52 can be embedded in as two ribs of the first holding section 534.
Second holding section 535 has the structure of the ribbed (in other words, screen shape) erected to cover 52 side (front side)
Make.3rd holding section 536 has the structure of the ribbed erected to main body 51 side (rear side).Second holding section 535 He
3rd holding section 536 all surrounds the outer peripheral edge formation along partition wall 531 of partition wall 531 ground.It addition, the second engaging
Portion 535 is formed along the outer peripheral edge of air entry 532 and surrounds air entry 532.In contrast, the 3rd holding section 536
It is formed through the inner side (near the boundary of air entry 532 and partition wall 531) of air entry 532.Second holding section
535 slots 529 that can be embedded in the side of sidewall portion 522 being formed at cover 52.3rd holding section 536 can be embedding
Enter the slot 512 at the side of sidewall portion 511 being formed at main body 51.
The assembled configuration of getter device 5 is as follows.Filter element installation portion 533 at partition member 53 is provided with filter
Filter element 54.Further, the peristome (front side) main body 51 is mounted with filter filter element 54
Partition member 53, is additionally provided with cover 52.It addition, partition member 53 and cover 52 can by bolt etc.
It is mounted on the body 51 to mounting or dismounting.
When main body 51 installs partition member 53 and cover 52, the second holding section 535 of partition member 53 is embedding
Enter the slot 529 of side of sidewall portion 522 at cover 52.Similarly, the 3rd holding section 536 of partition member 53
It is embedded in the slot 512 of the side of sidewall portion 511 of main body 51.Additionally, the rear end of the partition wall portion 58 of cover 52 is embedding
Enter between two ribs as the first holding section 534 of partition member 53.
The rear end of the front end of the air entry 532 of partition member 53 and the suction unit 523 of cover 52 combines.Therefore,
The suction unit 523 of the covered parts in front 52 of the air entry 532 of partition member 53 covers.On the other hand, separate
The air entry 532 of parts 53 highlights laterally from the outer peripheral face of the side of sidewall portion 511 of main body 51, thereafter side not by
Main body 51 covers and exposes.Like this, getter device 5 is formed the suction of oriented main body 51 side (rear side) opening
QI KOU 532.
When installing partition member 53 and cover 52 on the body 51, by main body 51 and 52 structures of cover
Become housing 50 be internally formed space.Further, the space that the inside of housing 50 is formed by partition member 53 point
Next door 531 zoning is the dirty side 56 (upstream side) as cover 52 side and the clean side 57 as main body 51 side
(downstream).
Dirty side 56 (inside of cover 52), it is formed with dirty side room 561 and from suction unit 523 to dirty
Dirty side room 561 imports the lead-in path 562 of air.Specifically, by the regulation of the side of sidewall portion 522 of cover 52
A part (part of left surface in the present embodiment) and along side of sidewall portion 522 this regulation a part and
Across the partition wall portion 58 that formed of distance ground of regulation, form lead-in path 562.Additionally, by side of sidewall portion 522
Described regulation a part beyond part and partition wall portion 58, form dirty side room 561.Like this, interval
The dirty side 56 of housing 50 is divided into dirty side room 561 and lead-in path 562 by wall portion 58.Further, at separating part
The filter element installation portion 533 and the filter filter element 54 that are formed on the partition wall 531 of part 53 are positioned at dirty
After side room 561.
Pars intermedia on the bearing of trend of partition wall portion 58, is formed with intercommunicating pore 525.This intercommunicating pore 525 is to pass through
The otch 581 that formed in partition wall portion 58 and formed in the first holding section 534 that partition wall 531 is formed logical
Hole.Further, to make lead-in path 562 connect into air with dirty side room 561 negotiable for intercommunicating pore 525.
In the clean side 57 (main body 51 is internal) of housing 50, it is formed with cleaning side room 571.
During such structure, the outside of getter device 5 and dirty side room 561 by the air entry 532 of partition member 53,
The suction unit 523 of cover 52 connects into air with lead-in path 562 and can circulate.Additionally, lead-in path 562 He
Dirty side room 561 also connects into air by intercommunicating pore 525 and can circulate.Further, dirty side room 561 and clean side
Room 571 is connected into by the filter filter element 54 installed at the filter element installation portion 533 of partition member 53
Air can circulate.Cleaning side room 571 connects into sky with the air inlet 134 of engine unit 13 by ventilator 55
Gas can circulate.Therefore, to obtain engine unit 13 from the air entry 532 of partition member 53 (interior for getter device 5
Combustion engine) the air of burning, suction unit 523 and lead-in path 562 by cover 52 are to dirty side room 561
Import.Further, the air imported to dirty side room 561 was carried out by getter device 5 by filter filter element 54
Filter, cleaning, and the air inlet 134 of engine unit 13 it is supplied to by cleaning side room 571 and ventilator 55.
Then, about lead-in path 562 and the structure in dirty side room 561, illustrate with reference to Fig. 7～Fig. 9.
Fig. 7 is the sectional view of the structure showing schematically lead-in path 562 and dirty side room 561, is the figure in terms of front side.
It addition, the arrow in Fig. 7 is the flowing schematically showing air.Fig. 8 is suction unit 523 and importing seen from above
The sectional view in path 562, is the figure of state representing and blocking suction unit 523 and air entry 532 at generally horizontal plane.
Fig. 9 is the sectional view of the structure showing schematically lead-in path 562 and dirty side room 561, is at lead-in path 562
Bearing of trend on the figure that blocks.
As it is shown in fig. 7, the suction unit 523 of the air entry 532 of partition member 53 and cover 52 is from cover 52
The upper surface of side of sidewall portion 522 upwardly projecting.Further, air entry 532 and suction unit 523 are formed at from main body 51
End the most in the lateral direction is seen and by center and inward position in side.If as it is shown in fig. 7, being configured to cap
The upper surface of the side of sidewall portion 522 of part 52 is shaped generally as plane, the upper surface of side of sidewall portion 522 and left surface and passes through circular arc
Smoothly connect, then air entry 532 and suction unit 523 are formed on as substantially at the upper surface of side of sidewall portion 522
The left end of the part of plane.That is, air entry 532 and suction unit 523 be formed as with side of sidewall portion 522 be formed as round
The part of arc compare in the lateral direction by center.It addition, air entry 532 and suction unit 523 can also be
It is formed at the structure of the part of the circular arc of side of sidewall portion 522.That is, as long as air entry 532 and suction unit 523 are formed
One end on the left and right directions from side of sidewall portion 522 is to the structure of the position offset by center.
The top (upper end) of partition wall portion 58 (suction unit 523 and front wall portion 521 near the root of suction unit 523
Boundary near) left and right directions on by center, and side of sidewall portion 522 is integrally connected.Further, side of sidewall portion 522
From top along side of sidewall portion 522 front wall portion 521 the upper left corner part (being formed as the part of circular arc) and formed
Part (part for the regulation of side of sidewall portion 522) on the left side and leave regulation distance extend.Partition wall portion
The end (lower end) of 58 be positioned at front wall portion 521 below near.The end of partition wall portion 58 from side of sidewall portion 522 from
Open the distance of regulation.Further, the region between a part and the partition wall portion 58 of the regulation of side of sidewall portion 522 becomes importing
Path 562, the part beyond a part for the regulation of side of sidewall portion 522 and partition wall portion 58 region surrounded
Become dirty side room 561.Like this, lead-in path 562 is with suction unit 523 as starting point, along side of sidewall portion 522
The part extension of regulation, as terminal near the lower-left of the inside of cover 52.Further, lead-in path 562 makes suction
Gas portion 523 connects into air with dirty side room 561 and can circulate.
It addition, as shown in Figure 6, the following left part of cover 52 and other parts are heaved downwards.So
Structure time, and the structure of the level that is shaped generally as below of cover 52 compares, it is possible to increase lead-in path 562.
Here, illustrate about the intercommunicating pore 525 formed in partition wall portion 58.As it is shown in fig. 7, in partition wall portion
58 it is formed with the first bending section 582, is positioned at and by the line part 583 of end side and is positioned at than the first bending section 582
The second bending section 584 of end side is leaned on than line part 583.
The part of outside (left side) the obliquely downward bending that the first bending section 582 when being in terms of side, top in the lateral direction.
The linear part becoming straight line in line part 583 Shi Qi center.Downward lateral bending when second bending section 584 is in terms of side, top
Bent part.As it has been described above, suction unit 523 is formed at from left end by center and inward position.Therefore, interval
Wall portion 58 is first to extending approximately below and direct the most to the left and right along the side of sidewall portion 522 being formed at left from top
Outside (under a left side is oblique) bending on direction.This part is the first bending section 582.First bending section 582 is formed at suction
On the direction (downside) of gas portion 523 opening.In order to make air flow suction unit 523 opening by suction unit 523
Direction, be positioned at the flow direction when suction unit 523 sees air flows as the crow flies from making the first bending section 582
Downstream.
Partition wall portion 58 from the end side obliquely downward to the left of the first bending section 582 along straight-line extension.This part is straight line
Portion 583.Intercommunicating pore 525 is formed at this line part 583.Line part 583 also with the first bending section 582 is same, is positioned at
The downstream flow direction when suction unit 523 sees air flows as the crow flies.
I.e., as shown in Figure 8, when the perspective getter device 5 of upside, the first bending section 582 and intercommunicating pore 525
Inner side in the peristome of suction unit 523.
Additionally, partition wall portion 58 bends downwards from the end side of line part 583.This part is the second bending section 584.
Then, partition wall portion 58 arrives end to extending approximately below.
Like this, the dirty side 56 at the housing 50 of getter device 5 has formed following path with arranging: from suction portion
523 by the path of intercommunicating pore 525 to dirty side room 561；And from suction unit 523 (not by intercommunicating pore 525)
By lead-in path 562, from the end of lead-in path 562 to the path in dirty side room 561.About from suction unit 523
To the distance in dirty side room 561, by the path ratio of intercommunicating pore 525 to dirty side room 561 from lead-in path 562
End is short to the path in dirty side room 561.
It addition, intercommunicating pore 525 is formed at from the one end (top or end) on the bearing of trend of partition wall portion 58
The position of the scope of 1/3～2/3.
It addition, as it is shown in figure 9, the short transverse of intercommunicating pore 525 partition wall portion 58 that is formed at cover 52 is (front
The direction that at least one party on the inner peripheral surface in wall portion 521 and the surface of partition wall 531 is rectangular) on substantially central portion.
As it has been described above, the partition wall portion 58 at cover 52 is formed with the otch 581 to rear openings.Further, cover
When the partition wall portion 58 of 52 is fastened on the first holding section 534 of partition member 53, by the otch of partition wall portion 58
581 and two ribs as the first holding section 534 form intercommunicating pores 525.That is, the otch 581 of partition wall portion 58
Inner peripheral surface and become in intercommunicating pore 525 as the end face in the short transverse of two ribs of the first holding section 534
Side face.Otch 581 does not arrive the inner peripheral surface of front wall portion 521, the bottom surface of otch 581 be positioned in the height direction with
Front wall portion 521 is across the position of spaced walls.On the other hand, owing to two ribs as the first holding section 534 are from separation
The surface of wall 531 highlights, and therefore, end face in the short transverse of two ribs and the surface of partition wall 531 are across interval.
Therefore, the centre in the short transverse of the partition wall portion 58 that intercommunicating pore 525 is formed at cover 52.Further, in the past
The surface in wall portion 521 distance to the bottom surface of otch 581 and two ribs as the first holding section 534 are from partition wall 531
The prominent projecting height in surface roughly the same.Therefore, intercommunicating pore 525 is formed at the partition wall portion 58 of cover 52
Short transverse on substantially central portion.
Here, effect and effect about getter device 5 illustrate.
The air of the burning of internal combustion engine first passes through and is formed at the air entry 532 of partition member 53 and is formed at cover
The suction unit 523 of 52 imports to lead-in path 562.The suction unit 523 of cover 52 is to open lower side.Therefore, logical
Cross the suction unit 523 of cover 52 to flow into the air effluent first downwards of lead-in path 562 and move.Form lead-in path
The partition wall portion 58 of 562 is being formed from the direct observable position of suction unit 523 even in the downstream of suction unit 523
Through hole 525.Additionally, the upstream side of the intercommunicating pore 525 (line part 583) in the downstream as suction unit 523, shape
Become the first bending section 582.Therefore, a part for the air that downward effluent is dynamic flows directly into intercommunicating pore 525 or by the
One bending section 582 guides and flows into intercommunicating pore 525.Further, dirty side room 561 is flowed into by the air of intercommunicating pore 525.
On the other hand, the remaining air that downward effluent moves does not flows into intercommunicating pore 525, and further along lead-in path 562
Flow downwards, flow into dirty side room 561 from the end of lead-in path 562.
Like this, the pars intermedia on the bearing of trend of lead-in path 562, it is formed with connection lead-in path 562 and dirty
The intercommunicating pore 525 in dirty side room 561.Therefore, the pressure of the air that the inside of getter device 5 is imported can be by even
Through hole 525 discharges.Therefore, in lead-in path 562, it is prevented from or suppresses the generation of sympathetic response sound, it is possible to realize
The reduction of the noise of getter device 5.
Intercommunicating pore 525 is formed at the downstream the flow direction of the air importing to lead-in path 562 from suction unit 523
Side (from the direct observable position of suction unit 523).During such structure, import to the air of lead-in path 562
When speed becomes big, the quantitative change of the air flowing into intercommunicating pore 525 is many.Therefore, (need big in the situation needing height output
Amount air situation) under, can improve electromotor response (or, prevent or suppress decline).On the other hand, at stream
In the case of the speed of the air entering lead-in path 562 is relatively low, the quantitative change by the air of intercommunicating pore 525 is few, obstructed
Cross intercommunicating pore 525 and quantitative change from the end of lead-in path 562 to the air in dirty side room 561 is many.Therefore, it is possible to
Improve the effect of the reduction of the noise caused by lead-in path 562.
During it addition, the position of intercommunicating pore 525 is positioned in the range of 1/3 on the bearing of trend of partition wall portion 58～2/3,
The reducing effect of noise improves.Concrete condition is aftermentioned.
It is formed with the first bending section 582 in the downstream of suction unit 523, is formed in the downstream of the first bending section 582
There is line part 583, be formed with the second bending section 584 in the downstream of line part 583.According to such structure, by
The air flowed at lead-in path 562 can be smoothly directed to dirty by one bending section 582 and the second bending section 584
Side room 561.Therefore, it is possible to realize the reduction of noise, be capable of the reduction of the flow resistance of air.It addition, even
Through hole 525 is formed as being positioned at the line part 583 in the downstream of the first bending section 582.During such structure, will not reduce
Utilize the function guiding air or the effect of the first bending section 582.That is, change by then passing through the first bending section 582
The structure of the flow direction of air, so, when for being formed with the structure of intercommunicating pore 525 at the first bending section 582,
The area in the region being then used for the guiding of air at the first bending section 582 reduces.Therefore, the first bending section 582 is utilized
Air guiding effect reduce.In contrast, when for be formed in the downstream of the first bending section 582 line part 583,
When this line part 583 is formed with the structure of intercommunicating pore 525, the first bending section 582 is used for the guiding of air
The area in region will not reduce.Therefore, during such structure, it is possible to realize maintaining the guiding effect of air.
Intercommunicating pore 525 is formed at the approximate centre in the short transverse of partition wall portion 58.In lead-in path 562 flowing
The amount of air approximate centre in the short transverse of partition wall portion 58 becomes maximum.Therefore, when for intercommunicating pore 525 shape
Become when the structure of this position, it is possible to make the amount of the air by intercommunicating pore 525 increase.Therefore, according to such structure
Make, it is possible to increase prevent or suppress empathize in lead-in path 562 effect of sound, the raising when needs high output
The effect of the response of motivation.
Partition wall portion 58 has from the front cap of cover 52 to the structure of the wall-like of partition member 53 lateral process.According to
Such structure, can be integrally formed front wall portion 521 and partition wall portion 58 by injection molding etc..Therefore, spaced walls
The formation in portion 58 becomes easy.It is relatively easy to further, since cover 52 forms as entirety, so energy
Enough reductions of achievement unit pieces number, the reduction (or, prevent or suppress to increase) of assembly working amount.Further, if
During the structure that partition wall portion 58 forms otch 581, formed intercommunicating pore 525 by this otch 581, then with in spaced walls
Portion 58 forms the structure of through hole and compares, and the formation of intercommunicating pore 525 becomes easy.Such as, by upper and lower separate mould,
May be integrally formed front wall portion 521 and partition wall portion 58, further, it is possible to form otch 581 in partition wall portion 58.
Therefore, it is possible to realize the reduction etc. of manufacturing cost.
Embodiment:
Below, embodiments of the invention are illustrated.Inventor enters about the reducing effect of the noise of getter device 5
Performing check.Figure 10 is the curve chart of the reducing effect of the noise representing the getter device 5 involved by embodiment.Transverse axis table
Show the position (position on the bearing of trend of partition wall portion 58) forming intercommunicating pore 525.Longitudinal axis logarithmic scale represents
Compare with the getter device (comparative example) with the partition wall portion being formed without intercommunicating pore, the getter device of embodiment
The minimizing degree of the noise of 5.
As shown in Figure 10, the degree of the lower noise of the getter device 5 of embodiment is in the extension side from partition wall portion 58
Drastically become big on the position of the scope of 1/3～the 2/3 of one end (top or end) upwards.Further, noise
Reduction degree center on the bearing of trend of partition wall portion 58 becomes maximum.It is therefore preferred that intercommunicating pore 525
Scope in 1/3～2/3 from the one end (top or end) on the bearing of trend of partition wall portion 58.Additionally,
Intercommunicating pore 525 be preferably located at the center on the bearing of trend of partition wall portion 58 or its near.
Above, although referring to the drawings embodiments of the present invention and embodiment have been described in detail, but institute
State embodiment and object lesson time embodiment only implements the present invention.The technical scope of the present invention is not subject to
Above-mentioned embodiment and the restriction of embodiment.The present invention, in scope without departing from the spirit, can carry out various change
More, these are also included in the technical scope of the present invention.
Such as, in the above-described embodiment, illustrate getter device and be useful in the structure of camber beam-type motorcycle, but,
The kind of the motorcycle being suitable for is not limited.It is (English: On Road) that the getter device 5 of the present invention can be applicable to load-carrying
The various motorcycles (comprising the bicycle of band prime mover) such as type motorcycle, cross-country type motorcycle, motor scooter.It addition,
Except motorcycle, it is also possible to be applicable to such as at the uneven tricycle of ground run, carriage etc..
Probability is utilized in industry
The present invention is the more effective technology of the getter device for internal combustion engine.Further, the present invention is used, it is possible to release
Pressure of inspiration(Pi), reduction sympathetic response sound.Therefore, it is possible to realize the reduction of noise.
Claims (6)
1. a getter device for internal combustion engine, it is to the air of internal combustion engine supply burning, and the getter device of this internal combustion engine is characterised by,
Having housing, this housing is being internally formed space, and is made up of main body and cover,
The getter device of this internal combustion engine also has in the space of the inside of described housing:
Dirty side, this dirty side is formed with dirty side room and introduces air into the lead-in path in described dirty side room；
Clean side, this clean side is formed with cleaning side room；And
Partition member, this partition member separates described dirty side and described clean side,
The side opening relative with described partition member and described cover of described main body,
The side opening relative with described partition member and described main body of described cover,
Described partition member is formed in the way of the opening of the opening and described cover that cover described main body,
Described cover has suction unit, and air is taken into described dirty side by this suction unit from the outside of described housing,
Described suction unit highlights laterally from the outer peripheral edge of described cover, and towards the side opening of described partition member,
Described partition member has and is formed as the partition wall of tabular, air entry and filter element installation portion,
Described air entry is located at the outside of the outer peripheral edge of described partition wall and is tubular through on the thickness direction of described partition wall, described air entry is connected with described suction unit, the air being taken into outside from described housing by described suction unit is imported to described dirty side room
The a part of partition wall portion extending, being formed between a part for described sidewall described lead-in path along the sidewall of described housing from described suction unit it is formed with in described dirty side, further, the intermediate formation on the bearing of trend of described partition wall portion has the intercommunicating pore enabling air to circulation connecting described lead-in path and described dirty side room.
The getter device of internal combustion engine the most according to claim 1, it is characterised in that described intercommunicating pore is formed at the downstream of the flow direction of the air from described suction unit.
3. according to the getter device of the internal combustion engine described in claims 1 or 2, it is characterized in that, described intercommunicating pore be formed at the top from bearing of trend that the distance from the top on bearing of trend of described partition wall portion is described partition wall portion to terminal distance 1/3～2/3 scope.
The getter device of internal combustion engine the most according to claim 1 and 2, it is characterized in that, described partition wall portion is formed with the bending section bent around in described suction unit and the end side at described bending section is shaped generally as the line part of straight line, and described intercommunicating pore is formed at described line part.
The getter device of internal combustion engine the most according to claim 1 and 2, it is characterised in that described intercommunicating pore is arranged on the substantially central portion in the short transverse of described partition wall portion.
The getter device of internal combustion engine the most according to claim 1 and 2, it is characterised in that described housing has main body and is installed on the cover of described main body dismantledly, and described partition wall portion is integrally formed in described cover.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-086781 | 2012-04-05 | ||
| JP2012086781A JP5987425B2 (en) | 2012-04-05 | 2012-04-05 | Intake device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103362701A CN103362701A (en) | 2013-10-23 |
| CN103362701B true CN103362701B (en) | 2016-08-17 |
Family
ID=48047886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310116932.8A Expired - Fee Related CN103362701B (en) | 2012-04-05 | 2013-04-03 | The getter device of internal combustion engine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2647822B2 (en) |
| JP (1) | JP5987425B2 (en) |
| CN (1) | CN103362701B (en) |
| ES (1) | ES2537420T5 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6790809B2 (en) * | 2016-12-26 | 2020-11-25 | トヨタ紡織株式会社 | Internal combustion engine air cleaner |
| JP6625577B2 (en) * | 2017-02-15 | 2019-12-25 | 本田技研工業株式会社 | Air cleaner device |
| JP2020084816A (en) * | 2018-11-19 | 2020-06-04 | タイガースポリマー株式会社 | Air cleaner |
| CN110711300B (en) * | 2019-09-09 | 2023-07-18 | 天津怡和嘉业医疗科技有限公司 | Noise reduction box and ventilation treatment equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3429633A1 (en) * | 1984-08-11 | 1986-02-20 | Ing. Walter Hengst GmbH & Co KG, 4400 Münster | Sound-absorbing air intake filter for an internal combustion engine |
| DE3606630A1 (en) * | 1985-02-28 | 1986-08-28 | Roth Technik GmbH, 7560 Gaggenau | Air filter |
| DE29912243U1 (en) * | 1998-07-14 | 1999-10-21 | Kwang Yang Motor Co | Noise reduction device for motorcycle air filters |
| CN201863942U (en) * | 2010-09-14 | 2011-06-15 | 洛阳北方易初摩托车有限公司 | Mounting structure for air filter for motorcycle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59121466U (en) | 1983-02-03 | 1984-08-16 | 富士重工業株式会社 | air cleaner |
| JPH09236057A (en) * | 1996-02-27 | 1997-09-09 | Suzuki Motor Corp | Air cleaner device |
| JP4381903B2 (en) | 2003-08-06 | 2009-12-09 | 本田技研工業株式会社 | Motorcycle |
| JP3938564B2 (en) | 2003-10-16 | 2007-06-27 | 本田技研工業株式会社 | Air cleaner device for internal combustion engine |
| ES2295516T3 (en) | 2003-12-11 | 2008-04-16 | Mann + Hummel Gmbh | SOUND ABSORBENT FOR AIR CURRENT DUCTS. |
| JP4636369B2 (en) * | 2005-02-15 | 2011-02-23 | いすゞ自動車株式会社 | Air cleaner device |
| US7484491B2 (en) * | 2007-07-03 | 2009-02-03 | Visteon Global Technologies, Inc. | Air induction system with resonator bypass valve |
| JP5624780B2 (en) | 2010-03-23 | 2014-11-12 | 本田技研工業株式会社 | Air cleaner device |
-
2012
- 2012-04-05 JP JP2012086781A patent/JP5987425B2/en active Active
-
2013
- 2013-04-03 CN CN201310116932.8A patent/CN103362701B/en not_active Expired - Fee Related
- 2013-04-04 ES ES13162256T patent/ES2537420T5/en active Active
- 2013-04-04 EP EP13162256.5A patent/EP2647822B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3429633A1 (en) * | 1984-08-11 | 1986-02-20 | Ing. Walter Hengst GmbH & Co KG, 4400 Münster | Sound-absorbing air intake filter for an internal combustion engine |
| DE3606630A1 (en) * | 1985-02-28 | 1986-08-28 | Roth Technik GmbH, 7560 Gaggenau | Air filter |
| DE29912243U1 (en) * | 1998-07-14 | 1999-10-21 | Kwang Yang Motor Co | Noise reduction device for motorcycle air filters |
| CN201863942U (en) * | 2010-09-14 | 2011-06-15 | 洛阳北方易初摩托车有限公司 | Mounting structure for air filter for motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2647822A1 (en) | 2013-10-09 |
| EP2647822B2 (en) | 2019-04-03 |
| EP2647822B1 (en) | 2015-03-04 |
| CN103362701A (en) | 2013-10-23 |
| JP2013217235A (en) | 2013-10-24 |
| JP5987425B2 (en) | 2016-09-07 |
| ES2537420T3 (en) | 2015-06-08 |
| ES2537420T5 (en) | 2019-08-08 |
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