CN100387815C - Throttle body fastening structure - Google Patents

Throttle body fastening structure Download PDF

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Publication number
CN100387815C
CN100387815C CNB2005101275905A CN200510127590A CN100387815C CN 100387815 C CN100387815 C CN 100387815C CN B2005101275905 A CNB2005101275905 A CN B2005101275905A CN 200510127590 A CN200510127590 A CN 200510127590A CN 100387815 C CN100387815 C CN 100387815C
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CN
China
Prior art keywords
throttle body
flange plate
bolt
nut
recess
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CNB2005101275905A
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Chinese (zh)
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CN1786442A (en
Inventor
海野佳行
秋间和洋
平贵浩
江川猛
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Publication date
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Publication of CN1786442A publication Critical patent/CN1786442A/en
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Publication of CN100387815C publication Critical patent/CN100387815C/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10006Air 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
    • F02M35/10078Connections of intake systems to the engine
    • F02M35/10085Connections of intake systems to the engine having a connecting piece, e.g. a flange, between the engine and the air intake being foreseen with a throttle valve, fuel injector, mixture ducts or the like
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035Details of the valve housing

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Connection Of Plates (AREA)

Abstract

A throttle body fastening structure has an induction passage constituent member (11), a throttle body (12) connected to the induction passage constituent member (11), a flange (13) formed at an end portion of the induction passage constituent member (11), to which an end surface of the throttle body (12) is joined and a bolt passing through the throttle body (12) and screwing into the flange (13) so as to fasten the throttle body (12) to the induction passage constituent member (11). The throttle body fasting structure is characterized in that a bolt hole (14a) is provided in the flange (13) through which the bolt (16) pass, a recess portion (13d) is provided in a side surface (13c) of the flange (13) and a nut (15) into which the bolt (16) is screwed is disposed in the recess portion (13d).

Description

The fixed structure of throttle body
Technical field
The present invention relates to a kind of fixed structure that is bonded on throttle body on the resin system gas-entered passageway member and uses the throttle body of bolt.
Background technique
A kind of fixed structure is disclosed in following patent documentation 1, in order to utilize bolt that the flange plate 5 of resin system throttle body 1 and the flange plate 11 of resin system intake manifold (intake manifold) 2 are fixed together, and on both flange plate 5,11, bury the metal collar (collar) 9,10 underground, and inserting on the internal thread of inner peripheral surface of the metal collar 10 that the bolt 12 that leads in the metal collar 9 of the flange plate 5 of throttle body 1 is screwed on the flange plate 11 that is formed at intake manifold 2.
Patent documentation 1 Japanese kokai publication hei 11-223163 communique
; the female metal collar 10 of the formation of patent documentation 1 described structure; constitute by being formed at the so-called hot insert nut that fixes in the hole of resin system flange plate 11 by heating and insertion; therefore; might when inserting, it produce inclination; and bolt 12 can not successfully be screwed togather, perhaps since with the combination force instability of resin system flange plate 11, and split away off from flange plate 11 with bolt 12.
Summary of the invention
The present invention In view of the foregoing proposes, and its purpose is, can use screw bolt and nut that throttle body is fixed on the gas-entered passageway member easily reliably.
In order to achieve the above object, one of the present invention proposes a kind of fixed structure of throttle body, resin system gas-entered passageway member with the gas-entered passageway that constitutes motor, with the throttle body that is connected described gas-entered passageway member, with the end joined of described throttle body on the flange plate of the end that is formed at described gas-entered passageway member, to connect the screw threaded of described throttle body on described flange plate, thus described throttle body is fixed on the described gas-entered passageway member, it is characterized in that, on described flange plate, be provided for inserting the bolt hole of logical described bolt, on the throttle body mating face with respect to described flange plate is on the side of side, setting is communicated with described bolt hole and inserting of relative described bolt led to the roughly recess of rectangular direction of direction, and configuration is used to screw togather the nut of described bolt in described recess.
The present invention's two proposes a kind of fixed structure of throttle body, it is characterized in that, on one of the present invention's basis, utilizes connected element to connect at least two described nuts.
The present invention's three proposes a kind of fixed structure of throttle body, it is characterized in that, on the present invention's two basis, is fastened on the described connected element and with the positioning part of described nut location being provided with on the described flange plate.
The present invention's four proposes a kind of fixed structure of throttle body, it is characterized in that, on the present invention's two basis, the accommodation section of accommodating described connected element is set on described flange plate.
The present invention's five proposes a kind of fixed structure of throttle body, it is characterized in that, on the present invention's four basis, described connected element and described nut have load-bearing face in the same plane, utilize the retention force of described bolt that described load-bearing face is close on the wall of recess of described flange plate.
In addition, embodiment's intake manifold 11 corresponding gas-entered passageway members of the present invention, the corresponding positioning part of the present invention of embodiment's projection 13h.
One of according to the present invention, owing on the flange plate of gas-entered passageway member, be provided for inserting the bolt hole of logical bolt, and, be on the side of side recess to be set on throttle body mating face with respect to flange plate, configuration screws togather the nut that bolt is used in this recess, so, throttle body can be fixed on the gas-entered passageway member by connecting throttle body and slotting screw threaded of leading to bolt hole on nut.At this moment, be formed at the logical roughly rectangular direction of direction of inserting of relative bolt owing to dispose the recess of nut, when so even the retention force of bolt works, nut can not come off from bolt hole yet, and by nut is remained on the recess, when screwing togather bolt, do not need to use the hand push nut, make the operation raising.
According to the present invention two, owing to utilize connected element to connect a plurality of nuts,, not only make the operation raising so can a plurality of nuts be installed simultaneously at the recess of flange plate, and the mutual alignment of a plurality of nuts relation kept certain, can carry out the location of relative recess easily.
According to the present invention three owing to make the positioning part of being located at flange plate be fastened on setscrew nut on the connected element,, carry out easily the operation of screw threaded on nut so can prevent the dislocation of nut.
According to the present invention four, the connected element that connects a plurality of nuts is housed in the accommodation section of being located at flange plate, so connected element can be outstanding from flange plate, can realize the compactness of fixing part.
According to the present invention five, utilize the retention force of bolt, make and be located at the conplane load-bearing face of being in of connected element and nut and be close on the recess of flange plate, so that the firm demand of bolt disperse, prevent the local deformation of flange plate, can improve the sealing of the joint of gas-entered passageway member and throttle body.
Description of drawings
Fig. 1 is the exploded perspective view of the fixing part of the throttle body that relates to of expression the 1st embodiment.
Fig. 2 is the stereogram of the fixing part of the throttle body that relates to of expression the 1st embodiment.
Fig. 3 is the amplification profile along the 3-3 line of Fig. 2.
Fig. 4 is the sectional drawing along the 4-4 line of Fig. 3.
Fig. 5 is the sectional drawing along the 5-5 line of Fig. 4.
Fig. 6 is the exploded perspective view of the fixing part of the throttle body that relates to of expression the 2nd embodiment.
Fig. 7 is the stereogram of the fixing part of the throttle body that relates to of expression the 2nd embodiment.
Fig. 8 is the amplification profile along the 8-8 line of Fig. 7.
Fig. 9 is the sectional drawing along the 9-9 line of Fig. 8.
Figure 10 is the exploded perspective view of the fixing part of the throttle body that relates to of expression the 3rd embodiment.
Figure 11 is the stereogram of the fixing part of the throttle body that relates to of expression the 3rd embodiment.
Figure 12 is the amplification profile along the 12-12 line of Figure 11.
Figure 13 is the sectional drawing along the 13-13 line of Figure 12.
Figure 14 is the sectional drawing along the 14-14 line of Figure 13.
Symbol description
11 intake manifold (gas-entered passageway member);
12 throttle bodies;
13 flange plate;
13b throttle body mating face;
The 13c side;
The 13d recess;
13h projection (positioning part);
The 14a bolt hole;
15 nuts;
16 bolts;
19 connected elements;
20 accommodation sections;
P load-bearing face
Embodiment
Below, the embodiments of the invention shown in illustrate embodiments of the present invention with reference to the accompanying drawings.
Fig. 1~Fig. 5 represents the 1st embodiment of the present invention, Fig. 1 is the exploded perspective view of the fixing part of expression throttle body, Fig. 2 is the stereogram of the fixing part of expression throttle body, Fig. 3 is the amplification profile along the 3-3 line of Fig. 2, Fig. 4 is the sectional drawing along the 4-4 line of Fig. 3, and Fig. 5 is the sectional drawing along the 5-5 line of Fig. 4.
As depicted in figs. 1 and 2, be bonded on the plastic intake manifold 11 on the cylinder head of not shown motor, form the flange plate 13 of square shape in the one end, to be used for fixing metallic throttle body 12.Mode with the gas-entered passageway 12a that surrounds circular cross-section on throttle body 12 is formed with 4 bolt hole 12b.Flange plate 13 has smooth throttle body mating face 13b, and offers the gas-entered passageway 13a of circular cross-section, and when being fixed on throttle body 12 on the flange plate 13, the gas-entered passageway 13a of flange plate 13 is communicated with the gas-entered passageway 12a of throttle body 12.On flange plate 13, be embedded with 4 collars 14 corresponding to 4 bolt hole 12b of throttle body 12, and respectively chimeric nut 15 among 4 the recess 13d of total on being opened in a pair of side 13c, the 13c of flange plate 13.And 4 bolts 16 among the bolt hole 14a of the bolt hole 12b by will inserting throttle body 12 and the collar 14 that is embedded in flange plate 13 are screwed on the nut 15, thereby throttle body 12 are fixed on the flange plate 13 of gas-entered passageway 11.
To be clearer and more definite with reference to Fig. 3~Fig. 5 in the lump, on the 12c of the flange plate mating face of throttle body 12, be formed with the annular slot 12d that surrounds gas-entered passageway 12a, and the sealed member 17 with flange plate 13 butts will be installed therein.And, be formed with the annular slot 13e that surrounds gas-entered passageway 13a at the throttle body mating face of flange plate 13 13b, the sealed member 18 with throttle body 12 butts is installed therein.One square end of the collar 14 is showed for throttle body mating face 13b and with it and is same plane, and the opposing party's end face is exposed to the wall of recess 13d and is same plane with it.
Form the form that the depth end seals at the recess 13d of the side of flange plate 13 13c, 13c upper shed, the way is communicated with the bolt hole 14a of the collar 14 therein.On the wall opposite with throttle body 12 sides of recess 13d, projection is provided with the guide surface 13f that is inclined to the inlet side step-down that makes recess 13d.Therefore, the inlet side height a of recess 13d is higher than inboard height b, and inboard height b is roughly consistent with the height of nut 15.The bolt that is formed with the top that is used to dodge bolt 16 in the central authorities of guide surface 13f is dodged groove 13g.The seat portion diameter of nut 15 is set to than big with the diameter of the collar 14 of its butt.
The operation that utilizes bolt 16 throttle body 12 to be fixed on the flange plate 13 of gas-entered passageway 11 is carried out according to following steps.At first, nut 15 is installed on the recess 13d of flange plate 13.At this moment, as shown in Figure 3, because the entrance height a of recess 13d is higher than the height b of nut 15, so can easily nut 15 be inserted among the recess 13d.Then, when nut 15 being pushed to recess 13d inboard, be formed on the nut 15 that the guide surface 13f of recess 13d guiding and just move to throttle body 12 sides.Because the inboard height b of recess 13d is roughly consistent with the height of nut 15, so nut 15 is being held with the state that is clamped between the collar 14 and the guide surface 13f, also can not fall even unclamp hand.
Then, the flange plate mating face 12c of throttle body 12 is connected on the throttle body mating face 13b of flange plate 13, with inserting after the bolt 16 lead in the bolt hole 12b of throttle body 12 further inserts among the bolt hole 14a of the collar 14 that leads to flange plate 13, it is screwed on the nut 15 that remains in recess 13d.At this moment, be arranged in the bolt that is formed at guide surface 13f from the top of the outstanding bolt 16 of nut 15 and dodge groove 13g, have carry out with gap chimeric, thereby, avoid the interference of bolt 16 and guide surface 13f.
Like this, when utilizing 4 bolts 16 throttle body 12 to be fixed on the flange plate 13 of intake manifold 11, because the retention force of bolt 16 by the wall support of the recess 13d of flange plate 13, even so apply the load that throttle body 12 is broken away from from flange plate 13, can prevent that also nut 15 from coming off from flange plate 13 with bolt 16, can realize the firm fixation of throttle body 12.Owing between the 12c of the flange plate mating face of nut 15 and throttle body 12, be provided with the collar 14, so can prevent because the firm demand of bolt 16 makes synthetic resin system flange plate 13 because of the cramping distortion, and the minimizing wall thickness, and can prevent between throttle body 12 and the flange plate 13 fixedly fluff moving.
Fig. 6~Fig. 9 represents the 2nd embodiment of the present invention, Fig. 6 is the exploded perspective view of the fixing part of expression throttle body, Fig. 7 is the stereogram of the fixing part of expression throttle body, and Fig. 8 is the amplification profile along the 8-8 line of Fig. 7, and Fig. 9 is the sectional drawing along the 9-9 line of Fig. 8.
In the 1st embodiment, used respectively independently 4 nuts 15 with respect to 4 bolts 16, but in the 2nd embodiment, utilize tabular connected element 19 to link into an integrated entity on two nuts 15,15 of disposed adjacent.Corresponding therewith, the recess 13d, the 13d that are opened in side 13c, the 13c of flange plate 13 are connected by groove shape accommodation section 20.The surface that nut 15,15 and connected element 19 are positioned at throttle body 12 1 sides forms and is in conplane smooth load-bearing face P, this load-bearing face P can with the conplane smooth wall butt of being in of recess 13d, 13d and accommodation section 20.Other structures of the 2nd embodiment are identical with the 1st embodiment.
According to the 2nd embodiment, because the firm demand of bolt 16,16 acts on the smooth wall of recess 13d, 13d and accommodation section 20 equably by the load-bearing face P of nut 15,15 and connected element 19, so with only use two independently the situation of nut 15,15 compare, can disperse the firm demand of bolt 16,16.Thus, make the interface pressure homogenization of the throttle body mating face 13b of the flange plate mating face 12c of throttle body 12 and flange plate 13, can improve the sealing on this mating face.
And, owing to two nuts 15,15 that utilize connected element 19 to connect can be inserted among two recess 13d, the 13d simultaneously, so not only assembling work raising, and, thereby improved the Location accuracy of recess 13d, 13d and nut 15,15 owing to the position relation of two nuts 15,15 is determined by connected element 19.And, because connected element 19 is housed in the accommodation section 20, can not give prominence to, so can make the fixing part compactness of intake manifold 11 and throttle body 12 at the side of flange plate 13 13c.
Figure 10~Figure 14 represents the 3rd embodiment of the present invention, Figure 10 is the exploded perspective view of the fixing part of expression throttle body, Figure 11 is the stereogram of the fixing part of expression throttle body, Figure 12 is the amplification profile along the 12-12 line of Figure 11, Figure 13 is the sectional drawing along the 13-13 line of Figure 12, and Figure 14 is the sectional drawing along the 14-14 line of Figure 13.
The structure of the connected element 19 that among the 3rd embodiment two nuts 15,15 is linked into an integrated entity is different with the 2nd embodiment.That is, the 3rd embodiment's connected element 19 is that the punch process sheet metal forms, and the 19a of nut support portion, 19a at its two ends are welding nut 15,15, and a pair of nut support 19a of portion, 19a link into an integrated entity by joint 19b.Central authorities at joint 19b are formed with U word shape recess, the outstanding projection 13h that engages with this recess 19c that is provided with on the 13c of the side of flange 13.Two recess 13d, 13d being used to accommodate two nuts 15,15 are separate.
According to the 3rd embodiment, owing to two nuts 15,15 that utilize connected element 19 to couple together can be inserted simultaneously among two recess 13d, the 13d, so not only assembling work raising, and because the position relation of two nuts 15,15 is definite by connected element 19, thereby the Location accuracy of recess 13d, 13d and nut 15,15 is improved.And, because recess 19c by being formed at connected element 19 and the projection 13h that is formed at the side 13c of flange plate 13 position connected element 19, so that be fixed on the Location accuracy of the nut 15,15 on this connected element 19 and further improve.
More than, embodiments of the invention have been described, but the present invention can carry out various design alterations in the scope that does not break away from its aim.
For example, gas-entered passageway member of the present invention is not limited to embodiment's intake manifold 11, also can be miscellaneous parts such as admission line.
In addition, embodiment's throttle body 12 is fabricated metalss, but also can be resin.
In addition, said nut 15 comprises the parts that form female arbitrary shape among the present invention.

Claims (5)

1. the fixed structure of a throttle body has: constitute the resin system gas-entered passageway member (11) of the gas-entered passageway of motor, with the throttle body (12) that is connected described gas-entered passageway member (11); The end joined of described throttle body (12) on the flange plate (13) of the end that is formed at described gas-entered passageway member (11), the bolt (16) that connects described throttle body (12) is screwed on the described flange plate (13), thus described throttle body (12) is fixed on the described gas-entered passageway member (11), it is characterized in that
The bolt hole (14a) of inserting logical described bolt (16) is set on described flange plate (13),
On the throttle body mating face (13b) with respect to described flange plate (13) is on the side (13c) of side, be provided with to be communicated with described bolt hole (14a) and roughly to form the recess (13d) of right angle orientation with the logical direction of inserting of described bolt (16),
Dispose the nut (15) that screws togather with described bolt (16) at described recess (13d).
2. the fixed structure of throttle body according to claim 1 is characterized in that, utilizes connected element (19) to connect at least two described nuts (15).
3. the fixed structure of throttle body according to claim 2 is characterized in that, the positioning part (13h) that engages with described connected element (19) and described nut (15) is positioned go up to be set at described flange plate (13).
4. the fixed structure of throttle body according to claim 2 is characterized in that, goes up at described flange plate (13) accommodation section (20) of accommodating described connected element (19) is set.
5. the fixed structure of throttle body according to claim 4, it is characterized in that, described connected element (19) and described nut (15) have load-bearing face (P) in the same plane, utilize the retention force of described bolt (16) that described load-bearing face (P) is close on the wall of recess (13d) of described flange plate (13).
CNB2005101275905A 2004-12-06 2005-12-05 Throttle body fastening structure Active CN100387815C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004353145A JP4065270B2 (en) 2004-12-06 2004-12-06 Throttle body fastening structure
JP2004353145 2004-12-06

Publications (2)

Publication Number Publication Date
CN1786442A CN1786442A (en) 2006-06-14
CN100387815C true CN100387815C (en) 2008-05-14

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EP (1) EP1666710B1 (en)
JP (1) JP4065270B2 (en)
CN (1) CN100387815C (en)
TW (1) TWI290190B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4954314B2 (en) * 2010-05-14 2012-06-13 本田技研工業株式会社 Flange fastening structure
ITUB20155167A1 (en) * 2015-11-03 2017-05-03 Magneti Marelli Spa COMPONENT OF AN INTERNAL COMBUSTION ENGINE PROVIDED WITH A CHECK PLATE
JP6816582B2 (en) * 2017-03-16 2021-01-20 スズキ株式会社 Internal combustion engine intake system
JP7083746B2 (en) * 2018-12-26 2022-06-13 愛三工業株式会社 Intake device

Citations (7)

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JPH06167258A (en) * 1992-12-02 1994-06-14 Hitachi Ltd Intake passage for internal combustion engine
CN1190707A (en) * 1996-05-02 1998-08-19 Smc株式会社 Combination device for constructional elements or machinery parts and assembly thereof
JPH1162739A (en) * 1997-08-19 1999-03-05 Honda Motor Co Ltd Resin-made pipe
JPH11294201A (en) * 1998-04-06 1999-10-26 Mitsubishi Eng Plast Corp Intake air control device for internal combustion engine
JP2000329014A (en) * 1999-05-19 2000-11-28 Aichi Mach Ind Co Ltd Joining structure of surge tank in intake manifold
JP2002149253A (en) * 2000-11-06 2002-05-24 Mikuni Corp Coupling structure between rotary shaft and resin-made lever
JP2004132325A (en) * 2002-10-15 2004-04-30 Aisan Ind Co Ltd Fastening structure of components of intake system for internal combustion engine

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DE4111772A1 (en) * 1991-04-11 1992-10-15 Kloeckner Humboldt Deutz Ag INTAKE SYSTEM FOR A SELF-IGNITION COMBUSTION ENGINE
JPH11107869A (en) * 1997-09-30 1999-04-20 Aisan Ind Co Ltd Throttle body made of resin and coupling device
JP3908846B2 (en) 1998-02-05 2007-04-25 本田技研工業株式会社 Connection structure of resin parts
US6497245B1 (en) * 1999-10-13 2002-12-24 Denso Corporation Intake air controller for internal combustion engine and manufacturing the same
JP2004239288A (en) * 2003-02-03 2004-08-26 Aisan Ind Co Ltd Valve device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06167258A (en) * 1992-12-02 1994-06-14 Hitachi Ltd Intake passage for internal combustion engine
CN1190707A (en) * 1996-05-02 1998-08-19 Smc株式会社 Combination device for constructional elements or machinery parts and assembly thereof
JPH1162739A (en) * 1997-08-19 1999-03-05 Honda Motor Co Ltd Resin-made pipe
JPH11294201A (en) * 1998-04-06 1999-10-26 Mitsubishi Eng Plast Corp Intake air control device for internal combustion engine
JP2000329014A (en) * 1999-05-19 2000-11-28 Aichi Mach Ind Co Ltd Joining structure of surge tank in intake manifold
JP2002149253A (en) * 2000-11-06 2002-05-24 Mikuni Corp Coupling structure between rotary shaft and resin-made lever
JP2004132325A (en) * 2002-10-15 2004-04-30 Aisan Ind Co Ltd Fastening structure of components of intake system for internal combustion engine

Also Published As

Publication number Publication date
EP1666710A3 (en) 2011-10-12
EP1666710A2 (en) 2006-06-07
TW200628692A (en) 2006-08-16
CN1786442A (en) 2006-06-14
EP1666710B1 (en) 2012-11-21
TWI290190B (en) 2007-11-21
JP2006161650A (en) 2006-06-22
JP4065270B2 (en) 2008-03-19

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