CN105697203A - Air intake device for an engine - Google Patents
Air intake device for an engine Download PDFInfo
- Publication number
- CN105697203A CN105697203A CN201510924975.8A CN201510924975A CN105697203A CN 105697203 A CN105697203 A CN 105697203A CN 201510924975 A CN201510924975 A CN 201510924975A CN 105697203 A CN105697203 A CN 105697203A
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- CN
- China
- Prior art keywords
- mentioned
- air inlet
- electromotor
- branched pipe
- surge tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10072—Intake runners
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- 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
- F02M35/104—Intake manifolds
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- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/41—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories characterised by the arrangement of the recirculation passage in relation to the engine, e.g. to cylinder heads, liners, spark plugs or manifolds; characterised by the arrangement of the recirculation passage in relation to specially adapted combustion chambers
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- 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
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
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- 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
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10262—Flow guides, obstructions, deflectors or the like
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- 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
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10308—Equalizing conduits, e.g. between intake ducts or between plenum chambers
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- 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
- F02M35/104—Intake manifolds
- F02M35/112—Intake manifolds for engines with cylinders all in one line
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Characterised By The Charging Evacuation (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
An intake device for an engine can reduce the ventilation resistance of intake air and distribute air into a plurality of branch pipes equally, and the output performance of the engine can be improved. The plurality of branch pipes (31, 32, 33) extends from the downstream end portions in the intake air flow direction toward the upstream end portions (31A, 32A, 33A) in the intake air flow direction, and the plurality of branch pipes are close to an intake air induction pipe (21) and are spiral in the column direction of air cylinders. The intake air induction pipe (21) is provided with a channel portion (22) which is connected with the upper surface of a buffer tank (24) from the inclined upward side of the buffer tank (24). The upper surface (22A) of the channel portion (22) is inclined to make a first imaginary plane (V1) extend to the upstream end portion (33A) in the intake air flow direction of the branch pipe (33) arranged on the other end portion in the arraying direction of the plurality of branch pipes (31, 32, 33).
Description
Technical field
The present invention relates to the air intake installation of electromotor, particularly relate to the air intake installation possessing the electromotor of the branched pipe supplying air to multiple cylinders。
Background technology
The electromotor being installed on the vehicles such as automobile is provided with the air intake installation for sending into air to cylinder。Generally, the air intake installation of the multiple cylinder engine such as 3 cylinder engines includes the structure being connected 1 air inlet ingress pipe and multiple branched pipe by surge tank, imports to the air inlet of air inlet ingress pipe along with changing direction of advance by surge tank and branched pipe。
In the air intake installation of this electromotor, the shape according to surge tank, branched pipe, the direction of advance of air inlet sharply changes, and thus aeration resistance becomes big, and the output of electromotor declines。
On the other hand, the device recorded as the air intake installation known patent document 1 of existing this electromotor。The air intake installation of the electromotor that patent documentation 1 is recorded is provided with the guiding wall in the supply direction along air inlet being positioned between wall portion and the branched pipe of surge tank (chamber) of the side, most upstream in supply direction of air inlet。Aeration resistance when air inlet is flowed into branched pipe thus, in the device that patent documentation 1 is recorded, it is supplied to the air inlet of surge tank in period flow velocity decline flow along guiding wall, then, is flowed into the branched pipe being positioned at side, most upstream, so can be reduced。
It addition, the device recorded as existing air intake installation known patent document 2。The air intake installation of the electromotor that patent documentation 2 is recorded forms inlet guide face at the inwall of surge tank, utilizes this inlet guide face that the air in surge tank is directed to branched pipe, thus reduces the aeration resistance of air inlet。
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2011-74862 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2012-97567 publication
Summary of the invention
The problem that invention to solve
But, the device that patent documentation 1 is recorded does not account for the reduction of the aeration resistance of whole branched pipe and the equalization of air inlet sendout, so there being following problem: be not sufficiently reduced the aeration resistance that air intake installation is overall, it addition, air can not be distributed equably to each branched pipe。
It addition, in the device that patent documentation 2 is recorded, extend because branched pipe describes complicated S word from surge tank toward electromotor, so the problem having the aeration resistance of the air inlet that can not reduce in branched pipe。
The present invention is conceived to above-mentioned problem points and completes, and its object is to offer and can reduce the aeration resistance of air inlet and air be equally distributed over multiple branched pipe, can improve the air intake installation of the electromotor of the output performance of electromotor。
For solving the scheme of problem
1st mode of the present invention is the air intake installation of electromotor, possesses: surge tank, and it extends in the bank of cylinder direction of electromotor, and described electromotor has multiple cylinder；Multiple branched pipes, it is connected with above-mentioned multiple cylinders respectively, curved shape is formed as so that it is surround the side surface part of the side contrary with above-mentioned electromotor of above-mentioned surge tank and the upper surface part of above-mentioned surge tank successively after extending downwards from the bottom surface sections of above-mentioned surge tank；And air inlet ingress pipe, its top by the side of end side branched pipe and with above-mentioned surge tank links, above-mentioned end side branched pipe is positioned at one end in the orientation of above-mentioned multiple branched pipes, wherein, above-mentioned multiple branched pipe is formed as extending from its air inlet flow direction end of downstream side towards air inlet flow direction upstream-side-end, and make above-mentioned multiple branched pipe be formed as spiral-shaped near above-mentioned air inlet ingress pipe in the position in above-mentioned bank of cylinder direction, above-mentioned air inlet ingress pipe is provided with the passage portion that the upper surface part from the oblique upper of above-mentioned surge tank with this surge tank links, and when the upper surface part of above-mentioned passage portion is extended the plane formed as 1 imaginary plane to the inner side of above-mentioned surge tank, the upper surface part of above-mentioned passage portion is inclined to the air inlet flow direction upstream-side-end making above-mentioned 1st imaginary plane extend to another side branched pipe, another side branched pipe above-mentioned is positioned at the other end in the orientation of above-mentioned multiple branched pipes。
Invention effect
So, according to the 1st above-mentioned mode, because multiple branched pipes are formed as extending from its air inlet flow direction end of downstream side towards air inlet flow direction upstream-side-end, and make above-mentioned multiple branched pipe be formed as spiral-shaped near air inlet ingress pipe in the position in bank of cylinder direction, so comparing with the air intake installation of existing electromotor, the air inlet flow direction upstream-side-end of each branched pipe can be made to import tube side in bank of cylinder direction near air inlet。
Additionally, because being provided with the passage portion that the upper surface part from the oblique upper of surge tank with this surge tank links in air inlet ingress pipe, so comparing with existing air intake installation, the bending of induction pathway from air inlet ingress pipe to surge tank can be reduced, the aeration resistance in induction pathway can be reduced。
And, when the upper surface part of passage portion is extended the plane formed as 1 imaginary plane to the inner side of surge tank, the upper surface part of above-mentioned passage portion is inclined to the air inlet flow direction upstream-side-end making the 1st imaginary plane extend to another side branched pipe, another side branched pipe above-mentioned is positioned at the other end in the orientation of multiple branched pipes, so can make to import to the air of surge tank from air inlet ingress pipe to be directed to the air inlet flow direction upstream-side-end of another side branched pipe in surge tank along the upper surface part of passage portion and the 1st imaginary plane, air can be equally distributed over multiple branched pipe。
As a result of which it is, the aeration resistance of air inlet can be reduced and air is equally distributed over multiple branched pipe, the output performance of electromotor can be improved。
Accompanying drawing explanation
Fig. 1 indicates that the figure of an embodiment of the air intake installation of the electromotor of the present invention, is the top view of the dynamical system of the air intake installation possessing electromotor。
Fig. 2 indicates that the figure of an embodiment of the air intake installation of the electromotor of the present invention, is the left view of the dynamical system of the air intake installation possessing electromotor。
Fig. 3 indicates that the figure of an embodiment of the air intake installation of the electromotor of the present invention, is the rearview of the dynamical system of the air intake installation possessing electromotor。
Fig. 4 indicates that the figure of an embodiment of the air intake installation of the electromotor of the present invention, is the axonometric chart of the air intake installation of electromotor。
Fig. 5 indicates that the figure of an embodiment of the air intake installation of the electromotor of the present invention, is the rearview of the air intake installation of electromotor。
Fig. 6 indicates that the figure of an embodiment of the air intake installation of the electromotor of the present invention, is the top view of the air intake installation of electromotor。
Fig. 7 indicates that the figure of an embodiment of the air intake installation of the electromotor of the present invention, is the front view of the air intake installation of electromotor。
Fig. 8 indicates that the figure of an embodiment of the air intake installation of the electromotor of the present invention, is the left view of the air intake installation of electromotor。
Fig. 9 indicates that the figure of an embodiment of the air intake installation of the electromotor of the present invention, be Fig. 8 IX-IX direction to looking sectional view。
Description of reference numerals
3: electromotor；20: air intake installation；20A: linking part；21: air inlet ingress pipe；22: passage portion；22A: upper surface part；22B: lower surface portion；23: flange portion；23A: throttle valve body fitting surface；24: surge tank；24A: upper surface part；24B: bottom surface sections；24C: side surface part；31: branched pipe (end side branched pipe)；32: branched pipe；33: branched pipe (another side branched pipe)；31A；32A；33A: air inlet flow direction upstream-side-end；31B, 32B, 33B: air inlet flow direction end of downstream side；31C: the air inlet flow direction upstream-side-end of outermost sidepiece；V1: the 1 imaginary plane；V2: the 2 imaginary plane
Detailed description of the invention
The embodiment of the air intake installation of the electromotor of the present invention is illustrated by accompanying drawing used below。Fig. 1 to Fig. 9 indicates that the figure of the air intake installation of the electromotor of one embodiment of the present invention。
First illustrate to constitute。In FIG, being provided with dynamical system 2 on vehicle 1, this dynamical system 2 is horizontally installed in the front of the instrument board 1A of vehicle 1。Instrument board 1A is located at the front of not shown driver's seat, is separated in the space and driver's seat that are configured with dynamical system 2。
In the present embodiment, in the way of consistent with the fore-and-aft direction that the driver of the driver's seat occupying vehicle 1 watches, left and right directions and above-below direction, represent all around, above-below direction with arrow in the drawings。
Dynamical system 2 comprises electromotor 3 and variator 4, electromotor 3 and variator 4 integration。Dynamical system 2 is delivered to not shown driving wheel after driving force variator 4 speed change produced by electromotor 3。It addition, variator 4 possesses differential gear 4B, by this differential gear 4B, left and right sidesing driving wheel can be distributed to rotatably by differential for driving force。
Electromotor 3 is configured to 3 cylinder engines of 3 cylinder #1, #2, #3 array configurations, and by not shown bent axle, the power that the not shown reciprocating motion of the pistons of cylinder #1, #2, #3 produces is converted to rotary motion。Electromotor 3 is installed on vehicle 1 by bent axle in the way of left and right vehicle wheel direction。
Variator 4 possesses the not shown gear making the driving force speed change from electromotor 3 transmission。Variator 4 is installed on vehicle 1 by the not shown power shaft and jackshaft constituting gear when being attached to the end of electromotor 3 in the way of vehicle-width direction。Therefore, the vehicle 1 of present embodiment is to include FF (FrontEngineFrontDrive: the front engine, front drives) vehicle that the dynamical system 2 of electromotor 3 and variator 4 configures horizontally。
In arbitrary figure in Fig. 1 to Fig. 3, it is formed with the flange portion 3A being anchored on variator 4 with not shown bolt in the left part of electromotor 3, is formed with the flange portion 4A being anchored on electromotor 3 with not shown bolt in the right part of variator 4。Electromotor 3 and variator 4 engage at the composition surface 2A of above-mentioned flange portion 3A, 4A。
Variator 4 near the 2A of composition surface be arranged over throttle valve body 5, the air inlet after being filtered by not shown air filter is passed through in this throttle valve body 5。Throttle valve body 5 possesses valve body 5A, by this valve body 5A either on or off thus adjusting the amount of the air passed through。
It is provided with air intake installation 20 on the top at the rear of dynamical system 2。Air intake installation 20 possesses air inlet ingress pipe 21, surge tank 24 and multiple branched pipe 31,32,33, the air importing to air inlet ingress pipe 21 is temporarily stored in surge tank 24, utilizes branched pipe 31,32,33 by the air distribution of this storage to cylinder #1, #2, #3。
As shown in Figure 1, Figure 3, surge tank 24 is configured at the bottom at the rear of cylinder head 3B, extends in the bank of cylinder direction of left and right directions, i.e. electromotor 3。
Shown in arbitrary figure in Fig. 4～Fig. 9, branched pipe 31,32,33 equally spaced arranges at left and right directions。The air inlet flow direction upstream-side-end 31A of branched pipe 31,32,33,32A, 33A are connected respectively to the bottom surface sections 24B (with reference to Fig. 9) of surge tank 24。
Branched pipe 31 is positioned at one end, i.e. right-hand end in the orientation of multiple branched pipes 31,32,33。The air inlet flow direction upstream-side-end 31A of branched pipe 31 is connected to the bottom surface sections 24B of surge tank 24 on the top at the rear of the flange portion 4A of variator 4。Branched pipe 31 constitutes the end side branched pipe in the present invention。
Branched pipe 33 is positioned at the other end, i.e. left end in the orientation of branched pipe 31,32,33。Branched pipe 33 constitutes another side branched pipe in the present invention。
Branched pipe 31,32,33 is from the bottom surface sections 24B of surge tank 24 toward lower section, bend in the way of the upper surface part 24A of the side surface part 24C and surge tank 24 that surround the side contrary with electromotor 3 of surge tank 24 successively, link with cylinder #1, #2, #3 (with reference to Fig. 1) of electromotor 3 respectively。
It addition, branched pipe 31,32,33 by along with from its air inlet flow direction end of downstream side 31B, 32B, 33B toward air inlet flow direction upstream-side-end 31A, 32A, 33A and bank of cylinder direction be located proximate to air inlet ingress pipe 21 in the way of be formed as spiral-shaped。
In other words, branched pipe 31,32,33 from the bottom surface sections 24B of surge tank 24 toward lower section, by distort to the right and upward, front bend to helical form in the way of changing direction of advance successively。
Air inlet ingress pipe 21 top by the side of branched pipe 31 and with surge tank 24 links。Air inlet ingress pipe 21 has passage portion 22 and flange portion 23。Passage portion 22 links from the upper surface part 24A of the oblique upper of surge tank 24 with surge tank 24。The sectional area of passage portion 22 is along with slowly expanding toward air inlet flow direction downstream。
Rear side wall in passage portion 22 is provided with braking negative pressure hole 43 and tank clean-out opening 44。The negative voltage supply of generation in passage portion 22 is given the step-up system of not shown brake by braking negative pressure hole 43。Tank clean-out opening 44 imports gasoline vapour from not shown tank to passage portion 22。
Front side wall in passage portion 22 is provided with pressure transducer pilot hole 41 and EGR passage 42。Pressure transducer pilot hole 41 is equipped with the not shown pressure transducer of the pressure measuring passage portion 22。Pressure transducer is configured at pressure transducer room 45, and pressure transducer room 45 is formed at the inner face of passage portion 22。EGR passage 42 makes exhaust gas recirculation arrive passage portion 22。
Flange portion 23 is located at the air inlet flow direction upstream-side-end of air inlet ingress pipe 21。It is formed with throttle valve body fitting surface 23A in flange portion 23, is equipped with throttle valve body 5 at this throttle valve body fitting surface 23A。Throttle valve body fitting surface 23A upward, namely orthogonal with bank of cylinder direction direction。
Additionally, when depicting the upper surface part 22A of passage portion 22 the 1st imaginary plane V1 extended to the inner side of surge tank 24, the upper surface part 22A of passage portion 22 is made to tilt relative to bank of cylinder direction in the way of the 1st imaginary plane V1 arrives the air inlet flow direction upstream-side-end 33A of branched pipe 33 in the orientation of multiple branched pipes 31,32,33。
Passage portion 22 has lower surface portion 22B relative with the upper surface part 22A of passage portion 22 on the direction orthogonal with bank of cylinder direction。The lower surface portion 22B of passage portion 22 links from the air inlet flow direction upstream-side-end 31C of oblique upper with the outermost sidepiece in the bank of cylinder direction of branched pipe 31。
When using the plane of the air inlet flow direction upstream-side-end 33A by the air inlet flow direction upstream-side-end 31A of branched pipe 31 and branched pipe 33 as the 2nd imaginary plane V2,2nd imaginary plane V2 is formed as tilting relative to bank of cylinder direction connecing subparallel direction with the upper surface part 22A of passage portion 22, and all upstream-side-end 31A of the air inlet flow direction of multiple branched pipe 31,32,33,32A, 33A are configured on the 2nd imaginary plane V2。
Then illustration。Shown in arbitrary figure in Fig. 4～Fig. 9, the air intake installation 20 of present embodiment by multiple branched pipes 31,32,33 by along with from its air inlet flow direction end of downstream side 31B, 32B, 33B toward air inlet flow direction upstream-side-end 31A, 32A, 33A and bank of cylinder direction be located proximate to air inlet ingress pipe 21 in the way of be formed as spiral-shaped。It addition, be provided with passage portion 22 in air inlet ingress pipe 21, passage portion 22 links from the upper surface part of the oblique upper of surge tank 24 with surge tank 24。
In addition, when depicting the upper surface part 22A of passage portion 22 the 1st imaginary plane V1 extended to the inner side of surge tank 24, the upper surface part 22A of passage portion 22 is made to tilt in the way of the 1st imaginary plane V1 arrives the air inlet flow direction upstream-side-end 33A of the branched pipe 33 being positioned at the other end in the orientation of multiple branched pipes 31,32,33。
According to this composition, because multiple branched pipes 31,32,33 by along with from its air inlet flow direction end of downstream side 31B, 32B, 33B toward air inlet flow direction upstream-side-end 31A, 32A, 33A and bank of cylinder direction be located proximate to air inlet ingress pipe 21 in the way of be formed as spiral-shaped, so the air inlet flow direction upstream-side-end 31A of each branched pipe 31,32,33,32A, 33A can be made near air inlet ingress pipe 21 side in bank of cylinder direction。
Additionally, because being provided with passage portion 22 in air inlet ingress pipe 21, passage portion 22 links from the upper surface part 24A of the oblique upper of surge tank 24 with this surge tank 24, so the bending from air inlet ingress pipe 21 to the induction pathway of surge tank 24 can be reduced, can reduce the aeration resistance on induction pathway。
And, when depicting the upper surface part 22A of passage portion 22 the 1st imaginary plane V1 extended to the inner side of surge tank 24, arrive at multiple branched pipes 31 with the 1st imaginary plane V1, 32, the mode being positioned at the air inlet flow direction upstream-side-end 33A of the branched pipe 33 of the other end in the orientation of 33 makes the upper surface part 22A of passage portion 22 tilt, so the air importing to surge tank 24 from air inlet ingress pipe 21 can be directed to along upper surface part 22A and the 1 imaginary plane V1 of passage portion 22 the air inlet flow direction upstream-side-end of branched pipe 33 in surge tank 24。
Therefore, the air importing to air inlet ingress pipe 21 linearly flows along arrow A1, A2, A3, is directed respectively into branched pipe 31,32,33, so air can be equally distributed over multiple branched pipe 31,32,33。
Accordingly, it is capable to reduce the aeration resistance of air inlet and distribute air to multiple branched pipe 31,32,33 equably, the output performance of electromotor can be improved。
It addition, in the air intake installation 20 of present embodiment, air inlet ingress pipe 21 has flange portion 23 in its air inlet flow direction upstream-side-end, and flange portion 23 is formed with throttle valve body fitting surface 23A, assemble throttle valve body 5 at throttle valve body fitting surface 23A。It addition, throttle valve body fitting surface 23A is towards the direction orthogonal with bank of cylinder direction。
According to this composition, by branched pipe 31,32,33 is formed as spiral-shaped, even if at air intake installation 20 when bank of cylinder direction is elongated, the throttle valve body fitting surface 23A of the flange portion 23 of air inlet ingress pipe 21 is also towards the direction orthogonal with bank of cylinder direction, so throttle valve body 5 can be prevented prominent from air intake installation 20 to bank of cylinder direction。Therefore, the size in total bank of cylinder direction of air intake installation 20 and throttle valve body 5 shortens, so air intake installation 20 and throttle valve body 5 can be improved to the installation of vehicle。
It addition, in the air intake installation 20 of present embodiment, passage portion 22 has lower surface portion 22B relative with the upper surface part 22A of passage portion 22 on the direction orthogonal with bank of cylinder direction。
Further, the lower surface portion 22B of passage portion 22 links from the air inlet flow direction upstream-side-end 31C of oblique upper with the outermost sidepiece in the bank of cylinder direction of branched pipe 31。
According to this composition, the bending of the intake channel at the linking part 20A place of the air inlet flow direction upstream-side-end 31C of the outermost sidepiece in the lower surface portion 22B of passage portion 22 and the bank of cylinder direction of branched pipe 31 can be reduced。
Accordingly, it is capable to reduce the aeration resistance of air inlet and air is equally distributed over multiple branched pipe 31,32,33, the output performance of electromotor can be improved。
In the air intake installation 20 of present embodiment, when using the plane of the air inlet flow direction upstream-side-end 33A by the air inlet flow direction upstream-side-end 31A of branched pipe 31 and branched pipe 33 as the 2nd imaginary plane V2,2nd imaginary plane V2 is formed as connecing inclined shape on subparallel direction with the upper surface part 22A of passage portion 22, and all upstream-side-end 31A of the air inlet flow direction of multiple branched pipe 31,32,33,32A, 33A are positioned on the 2nd imaginary plane V2。
According to this composition because the air inlet flow direction upstream-side-end 31A of branched pipe 31,32,33,32A, 33A the volume of inner space of air intake installation 20 of vicinity close to impartial, so air can be equally distributed over multiple branched pipe 31,32,33。
Although disclosing embodiments of the present invention, it is understood that those skilled in the art can apply to change without departing from the scope of the invention。It is intended to all such amendments and equivalent are contained in present claims。
Claims (4)
1. an air intake installation for electromotor, possesses:
Surge tank, it extends in the bank of cylinder direction of electromotor, and described electromotor has multiple cylinder；
Multiple branched pipes, it is connected with above-mentioned multiple cylinders respectively, curved shape is formed as so that it is surround the side surface part of the side contrary with above-mentioned electromotor of above-mentioned surge tank and the upper surface part of above-mentioned surge tank successively after extending downwards from the bottom surface sections of above-mentioned surge tank；And
Air inlet ingress pipe, its top by the side of end side branched pipe and with above-mentioned surge tank links, and above-mentioned end side branched pipe is positioned at one end in the orientation of above-mentioned multiple branched pipes,
The air intake installation of above-mentioned electromotor is characterised by,
Above-mentioned multiple branched pipe is formed as extending from its air inlet flow direction end of downstream side towards air inlet flow direction upstream-side-end, and makes above-mentioned multiple branched pipe be formed as spiral-shaped near above-mentioned air inlet ingress pipe in the position in above-mentioned bank of cylinder direction,
Above-mentioned air inlet ingress pipe is provided with the passage portion that the upper surface part from the oblique upper of above-mentioned surge tank with this surge tank links,
And when the upper surface part of above-mentioned passage portion is extended the plane formed as 1 imaginary plane to the inner side of above-mentioned surge tank, the upper surface part of above-mentioned passage portion is inclined to the air inlet flow direction upstream-side-end making above-mentioned 1st imaginary plane extend to another side branched pipe, and another side branched pipe above-mentioned is positioned at the other end in the orientation of above-mentioned multiple branched pipes。
2. the air intake installation of electromotor according to claim 1, it is characterised in that
Above-mentioned air inlet ingress pipe has flange portion in its air inlet flow direction upstream-side-end, and above-mentioned flange portion is formed with throttle valve body fitting surface, assembles throttle valve body at above-mentioned throttle valve body fitting surface,
Above-mentioned throttle valve body fitting surface is towards the direction orthogonal with above-mentioned bank of cylinder direction。
3. the air intake installation of the electromotor according to claim 1 or claim 2, it is characterised in that
Above-mentioned passage portion has upper surface part mutually relative on the direction orthogonal with above-mentioned bank of cylinder direction and lower surface portion,
The lower surface portion of above-mentioned passage portion links from the air inlet flow direction upstream-side-end of oblique upper with the outermost sidepiece in the above-mentioned bank of cylinder direction of above-mentioned end side branched pipe。
4. the air intake installation of the electromotor according to any one in claim 1 to claim 3, it is characterised in that
When using the plane of the air inlet flow direction upstream-side-end by the air inlet flow direction upstream-side-end of above-mentioned end side branched pipe and another side branched pipe above-mentioned as 2 imaginary plane,
Above-mentioned 2nd imaginary plane is formed as connecing inclined shape on subparallel direction with the upper surface part of above-mentioned passage portion,
And all upstream-side-end of the air inlet flow direction of above-mentioned multiple branched pipe are configured on above-mentioned 2nd imaginary plane。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-253717 | 2014-12-16 | ||
| JP2014253717A JP6350256B2 (en) | 2014-12-16 | 2014-12-16 | Engine intake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105697203A true CN105697203A (en) | 2016-06-22 |
| CN105697203B CN105697203B (en) | 2018-10-19 |
Family
ID=56082749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510924975.8A Active CN105697203B (en) | 2014-12-16 | 2015-12-14 | The inlet duct of engine |
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| Country | Link |
|---|---|
| JP (1) | JP6350256B2 (en) |
| CN (1) | CN105697203B (en) |
| DE (1) | DE102015225186A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550843A (en) * | 2020-10-30 | 2021-10-26 | 长城汽车股份有限公司 | Interface tube, engine subassembly and vehicle |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6691691B2 (en) * | 2016-08-17 | 2020-05-13 | スズキ株式会社 | Engine intake manifold |
| KR102453360B1 (en) * | 2017-12-18 | 2022-10-07 | 현대자동차 주식회사 | Intake port |
| CN115013200A (en) * | 2022-06-15 | 2022-09-06 | 中国第一汽车股份有限公司 | Air inlet structure and automobile with same |
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| JP5700402B2 (en) | 2010-10-29 | 2015-04-15 | ダイハツ工業株式会社 | Resin intake manifold |
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- 2015-12-14 CN CN201510924975.8A patent/CN105697203B/en active Active
- 2015-12-15 DE DE102015225186.1A patent/DE102015225186A1/en active Pending
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| CN201778929U (en) * | 2010-07-19 | 2011-03-30 | 常熟塑擎汽车零部件有限公司 | Air intake manifold |
| CN201810430U (en) * | 2010-09-20 | 2011-04-27 | 广西玉柴机器股份有限公司 | Swirl ratio variable diesel air inlet system |
| CN201925064U (en) * | 2010-12-20 | 2011-08-10 | 浙江吉利汽车研究院有限公司 | Automobile engine intake manifold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113550843A (en) * | 2020-10-30 | 2021-10-26 | 长城汽车股份有限公司 | Interface tube, engine subassembly and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105697203B (en) | 2018-10-19 |
| JP2016113970A (en) | 2016-06-23 |
| DE102015225186A1 (en) | 2016-06-16 |
| JP6350256B2 (en) | 2018-07-04 |
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