WO2013005722A1 - ガスケット、スロットルボデー - Google Patents
ガスケット、スロットルボデー Download PDFInfo
- Publication number
- WO2013005722A1 WO2013005722A1 PCT/JP2012/066911 JP2012066911W WO2013005722A1 WO 2013005722 A1 WO2013005722 A1 WO 2013005722A1 JP 2012066911 W JP2012066911 W JP 2012066911W WO 2013005722 A1 WO2013005722 A1 WO 2013005722A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- groove
- contact portion
- gasket
- wall surface
- tip
- Prior art date
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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
- F02M35/104—Intake manifolds
-
- 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
- F02D9/1035—Details of the valve housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
-
- 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
- F02M35/10144—Connections of intake ducts to each other or to another device
-
- 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
- F02M35/10255—Arrangements of valves; Multi-way valves
-
- 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
- F02M35/10354—Joining multiple sections together
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
-
- 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
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/1019—Two-stroke engines; Reverse-flow scavenged or cross scavenged engines
-
- 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
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/10196—Carburetted engines
-
- 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
- F02M35/10275—Means to avoid a change in direction of incoming fluid, e.g. all intake ducts diverging from plenum chamber at acute angles; Check valves; Flame arrestors for backfire prevention
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
- F02M35/165—Marine vessels; Ships; Boats
- F02M35/167—Marine vessels; Ships; Boats having outboard engines; Jet-skis
Definitions
- the present invention relates to a gasket for sealing between two joint surfaces.
- a gasket is known that seals between the joint surface of the throttle body and the joint surface of the intake manifold.
- a gasket having a side projection that protrudes in the groove side surface so as to be in contact with or close to the groove side surface of the mounting groove is known (for example, see Patent Document 1).
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a technique for reducing the drag of the gasket when the gasket is compressed.
- a gasket according to an embodiment of the present invention is a gasket that is attached to a groove formed in a first member and has elasticity to seal between the first member and the second member.
- a third abutting portion that abuts on the other side wall surface and a fourth abutting portion that abuts on the bottom surface are provided.
- a throttle body is a throttle body mounted on an intake manifold, and has a flat surface facing a joint surface of the intake manifold, and communicates with the intake manifold in the flat surface.
- An opening is formed, an annular groove is formed at the periphery of the opening, and the groove is widened from the bottom surface of the groove toward the opening of the groove, and attached to the groove.
- a third abutting portion that abuts and a fourth abutting portion that abuts against the bottom surface, and the peripheral edge of the opening of the throttle body mounted on the intake manifold is seated.
- FIG. 1 is an exploded perspective view showing the structure of the intake system module.
- the intake system module includes an intake manifold 1 that forms an air flow path, a throttle body 2 that is attached to the intake manifold 1 to form part of the flow path, and is fastened to the intake manifold 1 through the throttle body 2.
- Bolts 3x and 3y The intake manifold 1 distributes incoming air to a plurality of cylinders of an internal combustion engine (not shown).
- the throttle body 2 adjusts the air flow rate.
- the bolts 3x and 3y are fixed to the intake manifold 1 while pressing the throttle body 2 against the intake manifold 1.
- the intake manifold 1 has an intake pipe 12 whose upstream end communicates with a downstream end of an air cleaner (not shown) and whose downstream end communicates with an upstream end of a throttle body 2, and is provided on the downstream side of the intake pipe 12.
- An accommodating portion 13 accommodating a part of the body 2, a surge tank 16 provided on the downstream side of the accommodating portion 13 and having an upstream end communicating with the downstream end of the throttle body 2, and respective upstream ends
- a plurality of distribution pipes 17 communicated with the downstream end of the surge tank 16 and each downstream end communicated with a plurality of cylinders (not shown), and a plurality of distribution pipes 17 are provided on the respective wall surfaces.
- a plurality of injectors 18 for injecting fuel into each of the distribution pipes 17, and fixing portions 19 x and 19 y provided on the outer wall of the housing portion 13 for fixing the bolts 3 x and 3 y, respectively.
- the throttle body 2 has a cylindrical bore 23 whose upstream end communicates with the downstream end of the intake pipe 12 and whose downstream end communicates with the upstream end of the surge tank 16, and a central axis ( A shaft 24 provided perpendicular to the air flow direction), a throttle valve 25 which is a valve body fixed to the shaft 24 in the bore 23, and a shaft 24 connected to the base end of the shaft 24 to drive the shaft 24 Drive portion 26, gaskets 27a and 27b provided at the upstream end and the downstream end of the bore 23, and through holes 29x and 29y through which the bolts 3x and 3y pass, respectively.
- the drive unit 26 adjusts the flow rate of air in the bore 23 by rotating the shaft 24 according to an instruction from a control device (not shown) and changing the opening of the throttle valve 25.
- a control device not shown
- Each of the gaskets 27a and 27b is an annular elastic body, and the material of the gaskets 27a and 27b is hydrogenated nitrile rubber or the like.
- the air flowing from the air cleaner to the intake system module flows out to the cylinders through the intake pipe 12, the bore 23, the surge tank 16, and the plurality of distribution pipes 17, respectively.
- the 1st member described in the claim is the bore 23, for example, and the 2nd member is the accommodating part 13, for example.
- FIG. 2 is an exploded cross-sectional view showing the structure of the bore 23, the gaskets 27a and 27b, and the accommodating portion 13.
- 2 to 10 show cross sections taken along line II-II along a plane passing through the line II-II shown in FIG. 1 and the central axis of the bore 23.
- the housing portion 13 includes an insertion port 131 that is an opening into which the bore 23 is inserted, a cylindrical inner wall surface 132 that forms the inner wall surface of the cylinder and covers the outer wall surface of the cylinder of the bore 23, Among these, there are a joined inner wall surface 134a that is a plane joined to the upstream end of the bore 23, a joined inner wall surface 134b that is a plane joined to the downstream end of the bore 23 among the inner walls, and an opening formed in the joined inner wall surface 134a. It has an inner wall opening 136 a that communicates with the upstream end of the bore 23, and an inner wall opening 136 b that is an opening formed in the joint inner wall surface 134 b and communicates with the downstream end of the bore 23.
- the bore 23 includes a cylindrical outer wall surface 232 that forms a cylindrical outer wall surface of the outer wall, a bonded outer wall surface 234a that is a flat surface formed at the upstream end of the outer wall and is bonded to the bonded inner wall surface 134a, A joint outer wall surface 234b which is a flat surface formed at the downstream end and joined to the joint inner wall surface 134b, an outer wall opening 236a which is an opening formed in the joint outer wall surface 234a and communicates with the inner wall opening 136a, and a joint outer wall surface 234b An outer wall opening 236b communicating with the inner wall opening 136b, an annular groove 280a formed around the outer wall opening 236a in the joint outer wall surface 234a, and an outer wall opening 236b around the outer wall opening 236b in the joint outer wall surface 234b. It has an annular groove 280b formed.
- the shapes of the gaskets 27a and 27b are respectively formed according to the shapes of the annular grooves 280a and 280b, and are fitted into the annular grooves 280a and 280b, respectively.
- the grooves described in the claims are, for example, annular grooves 280a, 280b, and the openings are, for example, outer wall openings 236a, 236b.
- a plane that passes through the shaft 24 and is perpendicular to the central axis of the bore 23 is defined as a reference plane.
- the throttle valve 25 in the closed state is located within the reference plane or within a certain angle from the reference plane.
- the shape of the bonded inner wall surface 134a and the inner wall opening 136a and the shape of the bonded inner wall surface 134b and the inner wall opening 136b are plane-symmetric with respect to the reference plane.
- the shape of the joining outer wall surface 234a, the outer wall opening 236a, the annular groove 280a, and the gasket 27a and the shape of the joining outer wall surface 234b, the outer wall opening 236b, the annular groove 280b, and the gasket 27b are symmetrical with respect to the reference plane. is there.
- Each of the joining inner wall surface 134a and the joining inner wall surface 134b forms a predetermined angle with the reference surface.
- the point on the joint inner wall surface 134a gradually decreases in distance from the reference surface in the direction of insertion from the insertion port 131 into the housing portion 13.
- the point on the joining inner wall surface 134b gradually decreases in distance from the reference surface in the insertion direction. Therefore, the length of the space in the accommodating portion 13 in the central axis direction (air flow direction) of the bore 23 is gradually shortened in the insertion direction.
- the length of the bore 23 in the central axis direction is gradually shortened from the proximal end of the shaft 24 toward the distal end in accordance with the space in the accommodating portion 13.
- the shapes of the outer wall openings 236a and 236b which are cross sections obtained by cutting the cylindrical bore 23 along the planes of the joining outer wall surfaces 234a and 234b, are elliptical.
- the shapes of the inner wall openings 136a and 136b are the same as the outer wall openings 236a and 236b communicating with each other.
- the distance between the outer wall opening 236b and the annular groove 280b formed around the opening 236b is not uniform, and the distance on the tip side of the shaft 24 is long. Therefore, when viewed from the central axis of the bore 23, the shapes of the annular groove 280b and the gasket 27b on the joint outer wall surface 234b are oval.
- the portion of the gasket 27b on the tip end side of the shaft 24 comes into contact with the joined inner wall surface 134b on the outer peripheral side of the inner wall opening 136b.
- the gasket 27a and the annular groove 280a have the same configuration as the gasket 27b and the annular groove 280b, which are in a plane-symmetrical relationship, and change in the same state.
- FIG. 3 is a cross-sectional view showing the gasket 27b and the annular groove 280b in the first state.
- the annular groove 280b includes an opening 281 that is an opening formed in the plane of the joint outer wall surface 234b, a side wall surface 282 that is positioned on the inner peripheral side of the inner wall surface, and a side wall surface that is positioned on the outer peripheral side of the inner wall surface. 283 and a bottom surface portion 284 which is a bottom surface of the annular groove 280b in the inner wall surface.
- Hg is greater than Hd. large.
- the shape of the cross section perpendicular to the circumferential direction (length direction) of the annular groove 280b is a trapezoid. If the groove width at the bottom surface portion 284 is Wb and the groove width at the opening 281 is Wo along the joint outer wall surface 234b, Wb is smaller than Wo. In the space in the annular groove 280b, the length in the groove width direction gradually increases as the height position increases from the bottom surface part 284 toward the opening part 281.
- Each of the side wall surfaces 282 and 283 forms a predetermined angle with the center line 300, and the inner peripheral side wall surface 282 is inclined toward the opening 281 side from the outer peripheral direction of the annular groove 280b, and the outer peripheral side wall surface 283 is inclined toward the opening 281 side from the inner circumferential direction of the annular groove 280b.
- the gasket 27b includes a first contact portion 271 protruding in the height direction opposite to the depth direction of the annular groove 280b, a second contact portion 272 protruding toward the inner peripheral side of the gasket 27b, and the gasket 27b. And a fourth contact portion 274 that protrudes in the depth direction of the annular groove 280 b and faces the bottom surface portion 284.
- the cross-sectional shapes of the first contact portion 271, the second contact portion 272, the third contact portion 273, and the fourth contact portion 274 are gradually narrowed toward the tip.
- the height from the tip of the fourth contact portion 274 to the tip of the second contact portion 272 is equal to the height from the tip of the fourth contact portion 274 to the tip of the third contact portion 273. . If these heights are Ha, Ha is smaller than Hd.
- Wa is larger than Wb and smaller than Wo.
- FIG. 4 is a cross-sectional view showing the gasket 27b and the annular groove 280b in the second state.
- the height position at which the side wall surface 282 supports the second contact portion 272 and the height position at which the side wall surface 283 supports the third contact portion 273 are equal. Assuming that the height from the bottom surface portion 284 to this height position (support position) is Hc, Hc is larger than Ha and smaller than Hd. That is, in the second state, the tip of the fourth contact portion 274 is separated from the bottom surface portion 284 by the height Hs. Further, in the second state, when the height from the opening 281 to the tip of the first contact portion 271, that is, the height from the joint outer wall surface 234 b to the tip of the first contact portion 271 is Ht, Ht is greater than Hs.
- the bore 23 is inserted into the accommodating portion 13 from the insertion port 131.
- the distance between the joining outer wall surface 234b and the joining inner wall surface 134b is defined as Dg.
- FIG. 9 is a cross-sectional view showing the bore 23, the gaskets 27a and 27b, and the accommodating portion 13 in the third state
- FIG. 5 is a cross-sectional view showing the gasket 27b and the annular groove 280b in the third state.
- the tip of the first abutting portion 271 of the gasket 27b abuts on the joining inner wall surface 134b, and at the same time, the tip of the first abutting portion 271 of the gasket 27a abuts on the joining inner wall surface 134a.
- the distance between the joining inner wall surface 134a and the joining outer wall surface 234a is also equal to Dg by the above-mentioned plane symmetry shape.
- FIG. 6 is a cross-sectional view showing the gasket 27b and the annular groove 280b in the fourth state. At this time, the first contact portion 271 protrudes from the joint outer wall surface 234b in the height direction due to the above-described relationship of Hg> Hd.
- the cross-sectional shapes of the second contact portion 272 and the third contact portion 273 are narrower than the cross-sectional shape of the first contact portion 271, and the rigidity of the second contact portion 272 and the third contact portion 273 is the same as that of the first contact portion 271. It is lower than the rigidity of the contact portion 271.
- the second contact portion 272 and the third contact portion 273 after the third state are gradually compressed in the depth direction while being compressed by receiving drag from the side wall surfaces 282 and 283, respectively.
- FIG. 7 is a cross-sectional view showing the gasket 27b and the annular groove 280b in the fifth state.
- the width of the fourth contact part 274 in the groove width direction is smaller than the width of the first contact part 271 in the groove width direction, and the rigidity of the fourth contact part 274 is lower than the rigidity of the first contact part 271. Accordingly, when the first contact portion 271 receives a pressing force from the joining inner wall surface 134b and the fourth contact portion 274 receives a drag force from the bottom surface portion 284 from the fourth state to the fifth state, The amount of decrease in the height of the contact portion 274 is greater than the amount of decrease in the height of the first contact portion 271.
- FIG. 10 is a cross-sectional view showing the bore 23, the gaskets 27a and 27b, and the accommodating portion 13 in the sixth state
- FIG. 8 is a cross-sectional view showing the gasket 27b and the annular groove 280b in the sixth state.
- the bolts 3x and 3y pass through the through holes 29x and 29y, respectively, and are fastened to the fixing portions 19x and 19y, so that the throttle body 2 is fixed to the intake manifold 1. This completes the attachment process.
- the gasket 27b of this embodiment can insert the bore 23 into the accommodating portion 13 with a small insertion load, as compared with the gasket that is in contact with the bottom surface portion of the groove from the time of starting to be pressed. Further, since the rigidity of the fourth contact portion 274 is lower than the rigidity of the first contact portion 271, the fourth contact portion 274 of the gasket 27b is mainly compressed from the fourth state to the fifth state.
- the gasket 27b of this embodiment can insert the bore 23 into the accommodating portion 13 with a small insertion load, compared to a gasket in which the shape of the portion facing the bottom surface of the groove is a flat surface. As described above, it is possible to prevent deformation of the intake manifold 1 or the throttle body 2 due to pressing by reducing the force that presses the bore 23 against the housing portion 13.
- the amount of reduction in height (crushing allowance) due to compression of the gasket 27b of this embodiment is small compared to a gasket in which the cross-sectional shape of the portion facing the bottom surface portion 284 is wider than that of the fourth contact portion 274.
- the sealing performance with the annular groove 280b is ensured. Can do.
- the gasket of the present invention can also be applied to an intake duct connected to the air cleaner side, an inlet pipe connected to the engine, and an exhaust valve assembly that controls the amount of air in the exhaust passage.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Gasket Seals (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
Description
Claims (7)
- 第一部材に形成された溝に取り付けられ、弾性を有して前記第一部材と第二部材との間をシールするガスケットであって、
前記第二部材に当接する第一当接部と、
前記溝の一方の側壁面であって前記溝の底面より前記溝の開口部に向かって前記溝の幅が広くなるように形成された前記一方の側壁面に、当接する第二当接部と、
前記溝の他方の側壁面であって前記底面より前記開口部に向かって前記溝の幅が広くなるように形成された前記他方の側壁面に、当接する第三当接部と、
前記底面に当接する第四当接部と
を備えるガスケット。 - 前記第二当接部の先端及び前記第三当接部の先端が前記一方の側壁面及び前記他方の側壁面に夫々当接して支持された場合の、前記支持位置から前記第四当接部の先端までの前記溝の深さ方向の距離が、前記支持位置から前記底面までの前記深さ方向の距離より小さくなるように形成された
請求項1に記載のガスケット。 - 前記第一当接部の先端から前記第四当接部の先端までの前記深さ方向の距離が、前記溝の深さより大きくなるように形成された
請求項2に記載のガスケット。 - 前記溝において前記溝の長さ方向に垂直な断面形状は、台形である
請求項1に記載のガスケット。 - インテークマニホールドに装着されるスロットルボデーであって、
前記インテークマニホールドの接合面に対向する平面を有し、前記平面内に前記インテークマニホールドに連通する開口が形成され、前記開口の周縁に環状の溝が形成され、前記溝の底面より前記溝の開口部に向かって前記溝の幅が広くなるように形成された接合部と、
前記溝に取り付けられ、弾性を有するガスケットであって、前記インテークマニホールドの接合面に当接する第一当接部と、前記溝の内周側壁面に当接する第二当接部と、前記溝の外周側壁面に当接する第三当接部と、前記底面に当接する第四当接部とを有し、前記インテークマニホールドに装着された前記スロットルボデーの前記開口の周縁をシールして前記インテークマニホールド及び前記開口を連通させるガスケットと
を備えるスロットルボデー。 - 前記第二当接部の先端及び前記第三当接部の先端が前記一方の側壁面及び前記他方の側壁面に夫々当接して支持された場合の、前記支持位置から前記第四当接部の先端までの前記溝の深さ方向の距離が、前記支持位置から前記底面までの前記深さ方向の距離より小さくなるように形成された
請求項5に記載のスロットルボデー。 - 前記第一当接部の先端から前記第四当接部の先端までの前記深さ方向の距離が、前記溝の深さより大きくなるように形成された
請求項6に記載のスロットルボデー。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201280033353.0A CN103649606A (zh) | 2011-07-04 | 2012-07-02 | 垫圈和节气门体 |
EP12807303.8A EP2730820A1 (en) | 2011-07-04 | 2012-07-02 | Gasket and throttle body |
US14/128,071 US20140116372A1 (en) | 2011-07-04 | 2012-07-02 | Gasket, throttle body |
JP2013523014A JP5977744B2 (ja) | 2011-07-04 | 2012-07-02 | ガスケット、スロットルボデー |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011147936 | 2011-07-04 | ||
JP2011-147936 | 2011-07-04 |
Publications (1)
Publication Number | Publication Date |
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WO2013005722A1 true WO2013005722A1 (ja) | 2013-01-10 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2012/066911 WO2013005722A1 (ja) | 2011-07-04 | 2012-07-02 | ガスケット、スロットルボデー |
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Country | Link |
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US (1) | US20140116372A1 (ja) |
EP (1) | EP2730820A1 (ja) |
JP (1) | JP5977744B2 (ja) |
CN (1) | CN103649606A (ja) |
WO (1) | WO2013005722A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020024028A (ja) * | 2018-08-09 | 2020-02-13 | 内山工業株式会社 | ガスケット |
KR20200140660A (ko) * | 2019-06-07 | 2020-12-16 | 평화오일씰공업주식회사 | 밀봉 가스켓 |
KR20200140658A (ko) * | 2019-06-07 | 2020-12-16 | 평화오일씰공업주식회사 | 밀봉 가스켓 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2012157626A1 (ja) * | 2011-05-19 | 2012-11-22 | 株式会社ミクニ | 吸気装置 |
CN104074645A (zh) * | 2014-07-14 | 2014-10-01 | 宁波浙成科技咨询有限公司 | 一种发动机塑料进气歧管的密封垫 |
JP2018096400A (ja) * | 2016-12-09 | 2018-06-21 | 株式会社マーレ フィルターシステムズ | 密封構造 |
US11085315B2 (en) * | 2019-07-09 | 2021-08-10 | General Electric Company | Turbine engine with a seal |
US11149656B1 (en) * | 2020-12-08 | 2021-10-19 | Ford Global Technologies, Llc | Engine throttle body hydrocarbon emissions reduction system |
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US4828274A (en) * | 1987-12-14 | 1989-05-09 | U.S. Foundry & Manufacturing Corp. | Sealing assembly for manhole covers and adjustment rings therefor |
DE19962733A1 (de) * | 1999-12-23 | 2001-06-28 | Pierburg Ag | Luftansaugrohr |
JP3819716B2 (ja) * | 2001-01-31 | 2006-09-13 | ジー・ピー・ダイキョー株式会社 | 気体流量制御装置 |
JP3946466B2 (ja) * | 2001-07-03 | 2007-07-18 | 日本バルカー工業株式会社 | 蟻溝用シール材 |
JP4810017B2 (ja) * | 2001-08-02 | 2011-11-09 | 新光産業株式会社 | 真空用バルブ |
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- 2012-07-02 JP JP2013523014A patent/JP5977744B2/ja active Active
- 2012-07-02 WO PCT/JP2012/066911 patent/WO2013005722A1/ja active Application Filing
- 2012-07-02 EP EP12807303.8A patent/EP2730820A1/en not_active Withdrawn
- 2012-07-02 CN CN201280033353.0A patent/CN103649606A/zh active Pending
- 2012-07-02 US US14/128,071 patent/US20140116372A1/en not_active Abandoned
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JP2005003130A (ja) * | 2003-06-12 | 2005-01-06 | Nok Corp | ガスケットの組付け方法及びガスケット |
JP2005003129A (ja) * | 2003-06-12 | 2005-01-06 | Nok Corp | ガスケット |
JP2006029364A (ja) | 2004-07-12 | 2006-02-02 | Nok Corp | ガスケット |
JP2012067869A (ja) * | 2010-09-24 | 2012-04-05 | Nok Corp | 密封構造及びガスケット |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020024028A (ja) * | 2018-08-09 | 2020-02-13 | 内山工業株式会社 | ガスケット |
JP7181579B2 (ja) | 2018-08-09 | 2022-12-01 | 内山工業株式会社 | ガスケット |
KR20200140660A (ko) * | 2019-06-07 | 2020-12-16 | 평화오일씰공업주식회사 | 밀봉 가스켓 |
KR20200140658A (ko) * | 2019-06-07 | 2020-12-16 | 평화오일씰공업주식회사 | 밀봉 가스켓 |
KR102239332B1 (ko) | 2019-06-07 | 2021-04-21 | 평화오일씰공업 주식회사 | 밀봉 가스켓 |
KR102251418B1 (ko) | 2019-06-07 | 2021-05-12 | 평화오일씰공업 주식회사 | 밀봉 가스켓 |
Also Published As
Publication number | Publication date |
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US20140116372A1 (en) | 2014-05-01 |
JPWO2013005722A1 (ja) | 2015-02-23 |
CN103649606A (zh) | 2014-03-19 |
EP2730820A1 (en) | 2014-05-14 |
JP5977744B2 (ja) | 2016-08-24 |
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