CN1317503C - Internal combustion engine intake air passageway member - Google Patents
Internal combustion engine intake air passageway member Download PDFInfo
- Publication number
- CN1317503C CN1317503C CNB028151364A CN02815136A CN1317503C CN 1317503 C CN1317503 C CN 1317503C CN B028151364 A CNB028151364 A CN B028151364A CN 02815136 A CN02815136 A CN 02815136A CN 1317503 C CN1317503 C CN 1317503C
- Authority
- CN
- China
- Prior art keywords
- gas
- entered passageway
- separator
- intake passage
- combustion engine
- 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.)
- Expired - Fee Related
Links
Images
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
- F02M35/10—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
- F02M35/10078—Connections of intake systems to the engine
- F02M35/10085—Connections 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
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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
- F02M35/10314—Materials for intake systems
- F02M35/10321—Plastics; Composites; Rubbers
-
- 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
- F02M35/1034—Manufacturing and assembling intake systems
- F02M35/10347—Moulding, casting or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/08—Thermoplastics
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
It is an object of the present invention to provide an intake passage member that can be formed by die casting or injection molding of a synthetic resin which allows the removal of cores from the mold without destruction of the cores even in cases where there is a bent part in the intake passage. The present invention provides an intake passage member for an internal combustion engine comprising a throttle body (intake passage main body part) which has an intake passage that has a bent part, and an insulator which is interposed between the abovementioned intake passage main body part and the internal combustion engine, wherein the intake passage of the abovementioned insulator is extended in the direction in which the intake air flows through, a portion of the bent part of the abovementioned intake passage is formed in the intake passage of the insulator, and the intake passages of both the intake passage main body part and insulator are formed with shapes that allow cores to be removed from the mold. Since the cores can be removed from the mold without destroying the cores, the intake passage member can be manufactured by die casting or injection molding of a synthetic resin.
Description
Technical field
The present invention relates to air or mixture are fed into a gas-entered passageway member of the suction valve of internal-combustion engine, as throttle valve body, vaporizer, suction tude or similar component.
Background technique
Fig. 5 illustrates the cylinder head that is attached to a motor 200 or the sectional view of the traditional gas-entered passageway member on the similar component.Here, term " gas-entered passageway member " extremely be the member that vaporizer, throttle valve body or suction tude are combined with a separator.In addition, such vaporizer, throttle valve body, suction tude or similarly member but be called as " gas-entered passageway main component ".
Use a throttle valve body 11 to be used as the gas-entered passageway main component at the gas-entered passageway member shown in Fig. 5 10.Separator 12 is used for carrying out heat insulation, and generally makes with phenolic plastic.Throttle valve body 11 has the suction passage 13 of a bending in inside.This throttle valve body 11 via separator 12 by means of bolt or similar part (not illustrating in the drawings) and being fastened on the motor 200.This gas-entered passageway 13 is communicated with a gas-entered passageway 20 on being formed on motor 200 sides, and be arranged on by opening and closing gas-entered passageway 201 the place, end a valve 202 and air inlet is supplied in the cylinder off and on.
May have such situation, a curved section 15 is promptly arranged, as shown in the figure in gas-entered passageway 13.The reason that this curved section is set is, because the restriction of present position, when gas-entered passageway member 10 is attached to motor 200, may need the gas-entered passageway angle θ that tilts.
Usually make with aluminium alloy compression casting as the throttle valve body 11 of gas-entered passageway main component.But bring into use synthetic resin to make throttle valve body in recent years.In another kind of situation, use manufacture method based on injection molding.In the situation that adopts injection molding, can form gas-entered passageway 13 by in the zone of gas-entered passageway 13, inserting a fuse and after injection molding, from mould, taking out this fuse.
But,, have the region S which end all can't take out fuse from so if in gas-entered passageway, be provided with a curved section 15.Normally make throttle valve body 11 in this case by die casting.Its reason is as follows: under the situation of die casting, fuse is made with husky; Therefore, can it be taken out from curved section 15 by destroying this fuse.
But if throttle valve body 11 is made by die casting, manufacturing rate so can significantly decrease; That is, must make die casting mould and core singly.This needs quite a large amount of labours, and the problem that causes throttle valve body 11 manufacture costs to increase.
Summary of the invention
The present invention is to address these problems in design.An object of the present invention is to provide a gas-entered passageway member, even in gas-entered passageway, exist under the situation of curved section, be divided into two members that is a throttle valve body 11 and a separator 12 by the part S that can't take out a core, gas-entered passageway member of the present invention also can carry out die casting or injection molding manufacturing with synthetic resin.
To achieve these goals, the present invention is a kind of gas-entered passageway member that is used for internal-combustion engine, and it comprises: air inlet or mixture are fed in the internal-combustion engine and it is provided with a gas-entered passageway main component with a gas-entered passageway of a curved section; And be inserted in a separator between above-mentioned gas-entered passageway main component and the internal-combustion engine, wherein, the part of the curved section of above-mentioned gas-entered passageway is formed in the gas-entered passageway of separator, and the gas-entered passageway of gas-entered passageway main component and separator all forms a core is taken out in permission from mould shape, wherein, be formed on being shaped as of each gas-entered passageway in above-mentioned gas-entered passageway main component and the separator, when the corresponding core that forms corresponding gas-entered passageway forms when having a splitted construction, can these cores be taken out from mould from the two ends of all gas-entered passageways.
Perhaps can adopt a kind of like this structure, wherein, above-mentioned gas-entered passageway main component and separator engage with a recess part on being formed on another part and are connected by being formed on a projection on one of these parts.
Description of drawings
Fig. 1 is the sectional view that a gas-entered passageway member of the present invention that is attached to a motor is shown;
Fig. 2 is the sectional view of amplification that the main body of throttle valve body is shown;
Fig. 3 shows separator; Fig. 3 (a) is the sectional view of the line III-III in Fig. 3 (b); And Fig. 3 (b) is a worm's eye view;
Fig. 4 shows another separator; Fig. 4 (a) is the sectional view along the line IV-IV of Fig. 4 (b), and Fig. 4 (b) is a worm's eye view; And
Fig. 5 is the sectional view that a traditional gas-entered passageway member that is attached to motor is shown.
Embodiment
Below with reference to accompanying drawings one embodiment of the invention are described.Fig. 1 is the sectional view that a gas-entered passageway member 100 of the present invention that is attached to a motor 200 is shown.This throttle valve body 110 as the gas-entered passageway main component is fastened on the motor 200 by means of bolt or similar part (not illustrating in the drawings) via a separator 120.In throttle valve body 110, be formed with a gas-entered passageway 111, and a throttle valve 115 is installed in gas-entered passageway 111, and this throttle valve 115 can freely be pivoted.
In the present invention, the thickness of separator 120 (that is along air inlet flow direction on length) increases widely, and the gas-entered passageway 121 of (separator 120) is crooked.In addition, the gas-entered passageway 121 of the bending of separator 120 and throttle valve body 110 forms holistic unit, thereby forms a gas-entered passageway that has a curved section 117 similar to the curved section shown in the traditional example.As a result, the angle θ that gas-entered passageway 111 can be identical with the angle shown in the conventional example tilts.
Fig. 2 is the sectional view of amplification of the main body 113 of throttle valve body 110.In main body 113 is under the situation about forming with synthetic resin die casting or injection molding, uses a fuse to form gas-entered passageway 111.But, as shown in Figure 2, in the fuse shape, form the part S that will can not take out fuse usually and between a upside fuse 131 and a downside fuse 132, be divided into two halves.It is with the level cylindrical that upside fuse 131 is, and it is formed with three ledge structures, and wherein (fuse) diameter reduces step by step along downward direction, but central axis is straight.Therefore, can fuse be pulled out mould along the direction shown in subsequently molded.Downside fuse 132 has a curved section, but by also pulling it along the pulling of the direction shown in b fuse.
Fig. 3 shows separator 120; Fig. 3 (a) is the sectional view of the line III-III in Fig. 3 (b); And Fig. 3 (b) is a worm's eye view.Gas-entered passageway 121 also comes molded by a core when molded separator 120; But, in this core, shown in Fig. 3 (a), usually do not allow to take out core part S also side core on one 141 and once between the side core 142 in two.Last side core 141 has the surface of a crooked shape, can take out by the pulling of the direction shown in the c in figure core but should go up side core, and following side core 142 then can be pulled out along direction shown in the d.
In addition, when throttle valve 115 is attached on the main body 113 of throttle valve body 110 and the projection of separator 120 when inserting in the recess part 116 in the underpart that is formed on main body 113, can be by the gas-entered passageway 111 of throttle valve body 110 and the gas-entered passageway that gas-entered passageway 121 form and conventional components is crooked in an identical manner of separator 120.In addition, by engaging projection 122 and recess part 116, form a step part with regard to the joint that need not between gas-entered passageway.
As shown in Fig. 3 (b), separator 120 has a flange below projection 122, and is formed with the through hole 123,123 that is used for bolt or similar component in the projection on these flange both sides.The lower end of throttle valve body 110 also is of similar shape, and has the through hole (not shown in FIG.).These through holes and through hole the 123, the 123rd, superimposed, and have such as bolt or similarly member run through them; Be formed in the female thread that starts on the pusher side by these bolts are screwed in then, just can finish fastening.
Fig. 4 shows another separator; Fig. 4 (a) is the sectional view of the line IV-IV in Fig. 4 (b), and Fig. 4 (b) is a worm's eye view.Being shaped as of this separator 150 forms a gas-entered passageway 152 in the center of a thick dish 151, and around periphery one cylindrical portions may 153 is set.Gas-entered passageway 152 is crooked, and can be by core being divided on one side core 161 and following side core 162 and along opposite direction each core being pulled out this bending of formation.In cylindrical portions may 153, be formed with four seams 154.In addition, insert the pipe (not shown in FIG.) in the vertical position in the gas-entered passageway that is installed on the motor, and be connected to the inboard of cylindrical portions may 153.In addition, thick dish 151 part engages with a recess part in being formed on throttle valve body and is connected.
As indicated above, the gas-entered passageway member that is used for internal-combustion engine provided by the present invention is a following a kind of gas-entered passageway member that is used for internal-combustion engine, and it comprises: air inlet or mixture are fed in the internal-combustion engine and it is provided with a gas-entered passageway main component with a gas-entered passageway of a curved section; And be inserted in a separator between above-mentioned gas-entered passageway main component and the internal-combustion engine, wherein, the part of the curved section of above-mentioned gas-entered passageway forms in the gas-entered passageway of separator, and the gas-entered passageway of gas-entered passageway main component and separator all forms a core is taken out in permission from mould shape.Therefore, can make gas-entered passageway member by die casting, the manufacturing of synthetic resin injection molding or similar method with the gas-entered passageway that bends to a required angle.
Projection on one of these parts is connected with the joint of a recess part on being formed on another part if above-mentioned gas-entered passageway main component and separator are by being formed on, and the joint that then can need not between two gas-entered passageways forms a step part.
Claims (2)
1. gas-entered passageway member that is used for internal-combustion engine, it comprises:
One gas-entered passageway main component, it is fed into air inlet or mixture in the internal-combustion engine, and is provided with the gas-entered passageway with a curved section; And a separator, it is inserted between described gas-entered passageway main component and the internal-combustion engine;
Wherein, the part of the curved section of described gas-entered passageway is formed in the gas-entered passageway of separator, and the gas-entered passageway of gas-entered passageway main component and separator all forms a core is taken out in permission from mould shape, it is characterized in that,
Be formed on being shaped as of each gas-entered passageway in described gas-entered passageway main component and the separator,, can described core be taken out from mould from the two ends of all gas-entered passageways when the corresponding core that forms corresponding gas-entered passageway forms when having a splitted construction.
2. the gas-entered passageway member that is used for internal-combustion engine as claimed in claim 1, it is characterized in that, described gas-entered passageway main component and separator by will be formed on gas-entered passageway main component and one of separator a projection be formed on these parts in another part on a recess part engage and be connected.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP234782/2001 | 2001-08-02 | ||
| JP2001234782A JP2003049724A (en) | 2001-08-02 | 2001-08-02 | Intake passage member for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1537198A CN1537198A (en) | 2004-10-13 |
| CN1317503C true CN1317503C (en) | 2007-05-23 |
Family
ID=19066331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028151364A Expired - Fee Related CN1317503C (en) | 2001-08-02 | 2002-07-30 | Internal combustion engine intake air passageway member |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1424490A1 (en) |
| JP (1) | JP2003049724A (en) |
| CN (1) | CN1317503C (en) |
| TW (1) | TW533268B (en) |
| WO (1) | WO2003014557A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3975980B2 (en) | 2003-08-11 | 2007-09-12 | 日産自動車株式会社 | Engine intake system |
| US7373956B2 (en) * | 2004-02-13 | 2008-05-20 | Briggs & Stratton Corporation | Passageway having non-linear flow path |
| JP4866387B2 (en) * | 2008-05-08 | 2012-02-01 | 愛三工業株式会社 | Manufacturing method of resin intake manifold |
| JP5919684B2 (en) * | 2011-08-30 | 2016-05-18 | トヨタ紡織株式会社 | Air cleaner case manufacturing method |
| JP2016079948A (en) * | 2014-10-21 | 2016-05-16 | ヤマハ発動機株式会社 | Saddle-riding type vehicle |
| WO2017177992A1 (en) * | 2016-04-13 | 2017-10-19 | Alkoma Trade A.S. | Charged internal combustion engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088605U (en) * | 1991-05-16 | 1991-11-13 | 泰县科技实验工厂 | Split type air inlet pipe |
| JPH06330827A (en) * | 1993-05-25 | 1994-11-29 | Sanshin Ind Co Ltd | Intake device of outboard engine |
| CN1131722A (en) * | 1994-12-08 | 1996-09-25 | 日野自动车工业株式会社 | Channel unit structure for duct |
| JPH10299592A (en) * | 1997-04-22 | 1998-11-10 | Honda Motor Co Ltd | Intake device for internal combustion engine |
-
2001
- 2001-08-02 JP JP2001234782A patent/JP2003049724A/en active Pending
-
2002
- 2002-07-26 TW TW91116763A patent/TW533268B/en not_active IP Right Cessation
- 2002-07-30 CN CNB028151364A patent/CN1317503C/en not_active Expired - Fee Related
- 2002-07-30 WO PCT/JP2002/007745 patent/WO2003014557A1/en not_active Application Discontinuation
- 2002-07-30 EP EP02751805A patent/EP1424490A1/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088605U (en) * | 1991-05-16 | 1991-11-13 | 泰县科技实验工厂 | Split type air inlet pipe |
| JPH06330827A (en) * | 1993-05-25 | 1994-11-29 | Sanshin Ind Co Ltd | Intake device of outboard engine |
| CN1131722A (en) * | 1994-12-08 | 1996-09-25 | 日野自动车工业株式会社 | Channel unit structure for duct |
| JPH10299592A (en) * | 1997-04-22 | 1998-11-10 | Honda Motor Co Ltd | Intake device for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| TW533268B (en) | 2003-05-21 |
| EP1424490A1 (en) | 2004-06-02 |
| CN1537198A (en) | 2004-10-13 |
| WO2003014557A1 (en) | 2003-02-20 |
| JP2003049724A (en) | 2003-02-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |