WO2009123130A1 - Structure et dispositif d'étanchéité - Google Patents

Structure et dispositif d'étanchéité Download PDF

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Publication number
WO2009123130A1
WO2009123130A1 PCT/JP2009/056520 JP2009056520W WO2009123130A1 WO 2009123130 A1 WO2009123130 A1 WO 2009123130A1 JP 2009056520 W JP2009056520 W JP 2009056520W WO 2009123130 A1 WO2009123130 A1 WO 2009123130A1
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WO
WIPO (PCT)
Prior art keywords
inclined surface
metal gasket
chamfered portion
chamfered
liquid seal
Prior art date
Application number
PCT/JP2009/056520
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English (en)
Japanese (ja)
Inventor
丹治功
松本共永
今井勝麿
小山智幸
Original Assignee
Nok株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nok株式会社 filed Critical Nok株式会社
Priority to JP2010505906A priority Critical patent/JP5051297B2/ja
Publication of WO2009123130A1 publication Critical patent/WO2009123130A1/fr

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    • 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

Definitions

  • the present invention relates to a sealing structure and a sealing device for sealing a gap between three members.
  • An object of the present invention is to provide a sealing structure and a sealing device in which leakage of a liquid seal is suppressed.
  • the present invention employs the following means in order to solve the above problems.
  • the sealing structure of the present invention is A first member having a first surface and a second surface provided on one end side of the first surface; A second member having a third surface facing the first surface, and a fourth surface provided on one end side of the third surface; A third member having a fifth surface opposite to the second surface and the fourth surface; A metal gasket that seals a gap between the first surface and the third surface; An elastic gasket for sealing the gap between the second surface and the fourth surface and the fifth surface; A liquid seal filled in a gap formed between the metal gasket and the elastic gasket in the vicinity of the joining portion of the first member, the second member, and the third member; A sealing structure comprising: A chamfer is provided between the first surface and the second surface of the first member and between the third surface and the fourth surface of the second member, respectively.
  • the metal gasket protrudes toward the third member side from a corner portion between the chamfered portion and the first surface of the first member and a corner portion between the chamfered portion and the third surface of the second member. And arranged to The elastic gasket is provided with a protruding portion that protrudes toward the metal gasket and is in close contact with the metal gasket.
  • the protrusion is A first inclined surface that forms at least a part of the chamfered portion provided in the first member and forms a seal portion that prevents leakage of the liquid seal; A second inclined surface that forms a seal portion that at least partially adheres to the chamfered portion provided in the second member and prevents leakage of the liquid seal; It is provided between these 1st inclined surfaces and 2nd inclined surfaces, and is provided with the recessed part which stores a liquid seal.
  • the sealing device of the present invention comprises: A first member having a first surface and a second surface provided on one end side of the first surface; A second member having a third surface facing the first surface, and a fourth surface provided on one end side of the third surface;
  • a sealing device used for an apparatus comprising: a third member having a fifth surface opposite to the second surface and the fourth surface; A metal gasket that seals a gap between the first surface and the third surface; An elastic gasket for sealing the gap between the second surface and the fourth surface and the fifth surface; A liquid seal filled in a gap formed between the metal gasket and the elastic gasket in the vicinity of the joining portion of the first member, the second member, and the third member;
  • a sealing device comprising: Chamfered portions are provided between the first surface and the second surface of the first member and between the third surface and the fourth surface of the second member, respectively.
  • the metal gasket protrudes toward the third member side from a corner portion between the chamfered portion and the first surface of the first member and a corner portion between the chamfered portion and the third surface of the second member. And arranged to The elastic gasket is provided with a protruding portion that protrudes toward the metal gasket and is in close contact with the metal gasket.
  • the protrusion is A first inclined surface that forms at least a part of the chamfered portion provided in the first member and forms a seal portion that prevents leakage of the liquid seal; A second inclined surface that forms a seal portion that at least partially adheres to the chamfered portion provided in the second member and prevents leakage of the liquid seal; It is provided between these 1st inclined surfaces and 2nd inclined surfaces, and is provided with the recessed part which stores a liquid seal.
  • the gap between the first member and the second member is sealed by the metal gasket. Further, the gap between the first member and the second member and the third member is sealed by an elastic gasket. Then, in the vicinity of the joining portion of the first member, the second member, and the third member, a gap formed between the metal gasket and the elastic gasket is sealed with a liquid seal. Therefore, all the gaps between the members can be sealed.
  • the present invention by adopting a configuration including a recess for storing the liquid seal, leakage of the liquid seal can be suppressed as compared with the case where the liquid seal is simply applied to the planar portion.
  • at least a part of the inclined surfaces (first inclined surface and second inclined surface) of the protruding portion provided in the elastic gasket is provided in the first member and the second member, respectively.
  • a seal portion is formed in close contact with the surfaces (first inclined surface and second inclined surface) to prevent leakage of the liquid seal. Therefore, leakage of the liquid seal can be more reliably suppressed.
  • leakage of the liquid seal can be suppressed, workability in assembling the three members and each gasket is improved. For example, the work of wiping off the leaked liquid seal can be reduced.
  • the inclination angle of the chamfered portion provided in the first member and the inclination angle of the first inclined surface provided in the protruding portion are set to be approximately the same, and the first inclined surface faces the chamfered portion provided in the first member. Configured to contact, The inclination angle of the chamfered portion provided in the second member and the inclination angle of the second inclined surface provided in the protruding portion are set to be approximately the same, and the second inclined surface faces the chamfered portion provided in the second member. It is good to be comprised so that it may contact.
  • the inclination angle of the first inclined surface of the projecting portion is set so that the corner portion between the chamfered portion provided on the first member and the second surface is in line contact with the first inclined surface.
  • the inclination angle of the second inclined surface of the protruding portion is set so that the corner portion between the chamfered portion and the fourth surface provided in the second member is in line contact with the second inclined surface. Is also suitable.
  • angular part between the chamfered part provided in the 1st member and the 2nd surface was line-contacted with respect to the 1st inclined surface.
  • the corner between the chamfered portion and the fourth surface provided in the second member is in line contact with the second inclined surface.
  • the liquid seal which flowed out from the crevice will be between the surface of a metal gasket, the 1st inclined surface, and a chamfered part, and between the surface of a metal gasket, the 2nd inclined surface, and a chamfered part. It can be inserted. Thereby, the sealing performance of the joint part of 3 members is improved. And since the front-end
  • FIG. 1 is an exploded perspective view of members constituting a sealing structure according to Embodiment 1 of the present invention.
  • FIG. 2 is a partially enlarged perspective view of the elastic gasket according to the first embodiment of the present invention.
  • FIG. 3 is a partially enlarged front view of the elastic gasket according to the first embodiment of the present invention.
  • FIG. 4 is a partially enlarged schematic cross-sectional view (a view showing a state of assembling) of the sealing structure according to the first embodiment of the present invention.
  • FIG. 5 is a partially enlarged schematic cross-sectional view (a view showing a state after assembly) of the sealing structure according to Embodiment 1 of the present invention.
  • FIG. 1 is an exploded perspective view of members constituting a sealing structure according to Embodiment 1 of the present invention.
  • FIG. 2 is a partially enlarged perspective view of the elastic gasket according to the first embodiment of the present invention.
  • FIG. 3 is a partially enlarged front view of the elastic gasket according to the first embodiment of the
  • FIG. 6 is a partially enlarged schematic cross-sectional view (a diagram showing a state during assembly) of the sealing structure according to Embodiment 2 of the present invention.
  • FIG. 7 is a partially enlarged schematic cross-sectional view (a view showing a state after assembly) of the sealing structure according to Embodiment 2 of the present invention.
  • SYMBOLS 10 Metal gasket 20 Elastic body gasket 21, 25 Protrusion part 21a, 25a 1st inclined surface 21b, 25b 2nd inclined surface 21c, 25c Recessed part 21d Side wall surface 21X, 25X 1st part 21Y, 25Y 2nd part 30 Liquid seal DESCRIPTION OF SYMBOLS 100 Cylinder block 101 1st surface 102 2nd surface 103 Chamfering part 200 Cylinder head 201 3rd surface 202 4th surface 203 Chamfering part 300 Chain cover 301 5th surface E101, E102, E201, E202 Corner
  • Example 1 A sealing structure and a sealing device according to Example 1 of the present invention will be described with reference to FIGS.
  • the structure and sealing device for sealing the gap between the cylinder block (first member), the cylinder head (second member), and the chain cover (third member) constituting the engine structure of the internal combustion engine. Will be described as an example.
  • FIG. 1 is an exploded perspective view of members constituting a sealing structure according to Embodiment 1 of the present invention.
  • the liquid seal is omitted.
  • FIG. 2 is a partially enlarged perspective view of the elastic gasket according to the first embodiment of the present invention.
  • FIG. 3 is a partially enlarged front view of the elastic gasket according to the first embodiment of the present invention.
  • 4 and 5 are partially enlarged schematic cross-sectional views of the sealing structure according to Embodiment 1 of the present invention. 4 shows a state during the assembly, and FIG. 5 shows a state after the assembly.
  • “assembly” means assembly of three members (cylinder block, cylinder head, and chain cover).
  • the sealing structure according to the present embodiment is configured to seal a gap between three members, that is, the cylinder block 100, the cylinder head 200, and the chain cover 300.
  • the metal gasket 10 seals the gap between the cylinder block 100 and the cylinder head 200
  • the elastic gasket 20 seals the gap between the cylinder block 100 and the cylinder head 200 and the chain cover 300. It is configured to seal.
  • a gap formed between the metal gasket 10 and the elastic gasket 20 is configured so that the liquid seal 30 seals in the vicinity of the joining portion of these three members.
  • the cylinder block 100 is a box-shaped member having openings on the upper surface and the front end surface in FIG.
  • the upper surface of the cylinder block 100 is referred to as a first surface 101
  • the front end surface is referred to as a second surface 102.
  • the second surface 102 is provided on one end side of the first surface 101.
  • a chamfered portion 103 is provided between the first surface 101 and the second surface 102.
  • the cylinder head 200 is a box-shaped member having openings on the lower surface and the front end surface in FIG.
  • the lower surface of the cylinder head 200 is referred to as a third surface 201
  • the front end surface is referred to as a fourth surface 202.
  • a fourth surface 202 is provided on one end side of the third surface 201.
  • a chamfered portion 203 is provided between the third surface 201 and the fourth surface 202.
  • the third surface 201 of the cylinder head 200 is configured to face the first surface 101 of the cylinder block 100. Further, the second surface 102 of the cylinder block 100 and the fourth surface 202 of the cylinder head 200 are configured so as to be on the same plane by design.
  • the chain cover 300 is a box-shaped member having an opening (not shown) on the back end face in FIG.
  • the rear side end surface of the chain cover 300 is referred to as a fifth surface 301.
  • the fifth surface 301 is configured to face the second surface 102 of the cylinder block 100 and the fourth surface 202 of the cylinder head 200.
  • the metal gasket 10 is in close contact with the first surface 101 of the cylinder block 100 and the third surface 201 of the cylinder head 200, and seals the gap between the first surface 101 and the third surface 201.
  • the elastic gasket 20 is in close contact with the second surface 102 of the cylinder block 100, the fourth surface 202 of the cylinder head 200, and the fifth surface 301 of the chain cover 300, and the second surface 102, the fourth surface 202, and the The gap between the five surfaces 301 is sealed.
  • the metal gasket 10 has a chain cover more than the corner E101 between the chamfered portion 103 and the first surface 101 in the cylinder block 100 and the corner E201 between the chamfered portion 203 and the third surface 201 in the cylinder head 200. It arrange
  • the elastic gasket 20 is provided with a protruding portion 21 that protrudes toward the metal gasket 10 and is in close contact with the end face of the metal gasket 10.
  • the protruding portions 21 are provided with inclined surfaces at positions facing the chamfered portion 103 in the cylinder block 100 and positions facing the chamfered portion 203 in the cylinder head 200, respectively.
  • these inclined surfaces are referred to as a first inclined surface 21a and a second inclined surface 21b, respectively.
  • the inclination angle of the chamfered portion 103 provided in the cylinder block 100 and the inclination angle of the first inclined surface 21a provided in the protruding portion 21 are set to be approximately the same. Further, the inclination angle of the chamfered portion 203 provided in the cylinder head 200 and the inclination angle of the second inclined surface 21 b provided in the protruding portion 21 are set to be approximately the same.
  • a concave portion 21c having an opening on the metal gasket 10 side is provided at the center of the protruding portion 21. Accordingly, the recess 21c is provided between the first inclined surface 21a and the second inclined surface 21b.
  • the metal gasket 10 is disposed between the first surface 101 of the cylinder block 100 and the third surface 201 of the cylinder head 200. Thereby, the clearance gap between the 1st surface 101 and the 3rd surface 201 is sealed by the metal gasket 10 (refer FIG. 4).
  • the liquid seal 30 is injected into the concave portion 21 c provided in the protruding portion 21 of the elastic gasket 20.
  • the injection amount of the liquid seal 30 is an amount that fills a gap formed between the inner wall surface of the recess 21c in the elastic gasket 20 and the vicinity of the tip of the metal gasket 10 when the three members are assembled. It is set a little more than.
  • the chain cover 300 is fixed to the cylinder block 100 and the cylinder head 200 while the elastic gasket 20 is in close contact with the fifth surface 301 of the chain cover 300.
  • a region T indicates a region where the end face of the metal gasket 10 is in close contact.
  • the pair of side wall surfaces 21d in the protruding portion 21 are compressed toward the chain cover 300 side by the end surface of the metal gasket 10. Accordingly, a part of the end face of the metal gasket 10 enters the recess 21c as shown in FIG.
  • the first inclined surface 21 a of the protruding portion 21 is in close contact with the chamfered portion 103 in the cylinder block 100 to form a seal portion S 1 that prevents the liquid seal 30 from leaking.
  • the inclination angle of the chamfered portion 103 and the inclination angle of the first inclined surface 21a are set to be approximately the same, they contact each other in a surface contact state.
  • the surface contact portion corresponds to the seal portion S1.
  • the second inclined surface 21b of the protruding portion 21 is in close contact with the chamfered portion 203 of the cylinder head 200 to form a seal portion S2 that prevents the liquid seal 30 from leaking. And since the inclination angle of the chamfered portion 203 and the inclination angle of the second inclined surface 21b are set to be approximately the same, they contact each other in a surface contact state. This surface contact portion corresponds to the seal portion S2.
  • the gap between the cylinder block 100 and the cylinder head 200 is sealed by the metal gasket 10. Further, the gaps between the cylinder block 100 and the cylinder head 200 and the chain cover 300 are sealed by the elastic gasket 20. A gap formed between the metal gasket 10 and the elastic gasket 20 is sealed by the liquid seal 30 in the vicinity of the joining portion of the cylinder block 100, the cylinder head 200, and the chain cover 300. Therefore, all the gaps between the members can be sealed.
  • the elastic gasket 20 is provided with the concave portion 21c for storing the liquid seal 30, the liquid seal can be compared with a case where the liquid seal is simply applied to the planar portion. Leakage can be suppressed.
  • the liquid seal 30 is injected into the concave portion 21c, and the liquid seal 30 is stored in the concave portion 21c, and the liquid seal 30 is in a semi-dry state while the chain cover 300 is removed from the cylinder block. 100 and cylinder head 200 are fixed. In this process, a gap formed between the inner wall surface of the recess 21 c in the elastic gasket 20 and the vicinity of the tip of the metal gasket 10 is filled with the liquid seal 30.
  • the injection amount of the liquid seal 30 is set slightly larger than the amount of filling the gap. Accordingly, a part of the liquid seal 30 may leak out of the recess 21c.
  • the first inclined surface 21a of the protruding portion 21 provided on the elastic gasket 20 is in close contact with the chamfered portion 103 of the cylinder block 100 to form the seal portion S1. Therefore, the liquid seal 30 can be prevented from leaking to the seal surface between the cylinder block 100 and the elastic gasket 20 (the contact surface between the second surface 102 and the elastic gasket 20).
  • the second inclined surface 21b of the protruding portion 21 provided on the elastic gasket 20 is in close contact with the chamfered portion 203 of the cylinder head 200 to form a seal portion S2. Therefore, the liquid seal 30 can be prevented from leaking to the seal surface between the cylinder head 200 and the elastic gasket 20 (the close contact surface between the fourth surface 202 and the elastic gasket 20).
  • the first inclined surface 21 a in the protruding portion 21 is pressed against the chamfered portion 103 in the cylinder block 100.
  • the second inclined surface 21b of the protruding portion 21 is pressed against the chamfered portion 203 of the cylinder head 200.
  • FIG. Accordingly, there is no gap between the tip of the second portion 21Y and the surface of the metal gasket 10, or a slight gap is present even if there is a gap.
  • the liquid seal 30 can be suppressed to some extent from flowing out of the recess 21c.
  • the sealing structure and the sealing device according to the present embodiment leakage of the liquid seal 30 can be suppressed. Therefore, the workability in assembling the three members and the gaskets is improved (for example, the wiping work of the leaked liquid seal 30 can be reduced).
  • sticker in a present Example the case where the liquid seal
  • the metal gasket 10 is disposed near the tip of the metal gasket 10.
  • a liquid seal 30 is applied. While the liquid seal 30 is in a semi-dry state, the chain cover 300 is fixed to the cylinder block 100 and the cylinder head 200 while the elastic gasket 20 is in close contact with the fifth surface 301 of the chain cover 300. Even in such a case, the gap formed between the inner wall surface of the recess 21 c in the elastic gasket 20 and the vicinity of the tip of the metal gasket 10 is filled with the liquid seal 30. Therefore, the same effect as in the case of the present embodiment can be obtained.
  • Example 2 shows the second embodiment of the present invention.
  • the first embodiment the case where the inclined surface provided in the projecting portion is in surface contact with the chamfered portion provided in the cylinder block and the chamfered portion provided in the cylinder head is shown.
  • the case where the said chamfer part (more specifically, the corner
  • FIG. 6 and 7 are partially enlarged schematic cross-sectional views of the sealing structure according to Example 2 of the present invention.
  • FIG. 6 shows a state during assembly
  • FIG. 7 shows a state after assembly.
  • assembly means assembly of three members (cylinder block, cylinder head, and chain cover).
  • the configuration of the elastic gasket 20 is different from that in the first embodiment.
  • Other configurations are the same as those of the first embodiment.
  • the elastic gasket 20 in the present embodiment is also provided with a protruding portion 25 that protrudes toward the metal gasket 10 and is in close contact with the end face of the metal gasket 10 as in the first embodiment.
  • the protrusions 25 are provided with inclined surfaces at positions facing the chamfered portion 103 in the cylinder block 100 and positions facing the chamfered portion 203 in the cylinder head 200, respectively.
  • these inclined surfaces are referred to as a first inclined surface 25a and a second inclined surface 25b, respectively.
  • the first inclined surface 25a of the protruding portion 25 is a corner between the chamfered portion 103 and the second surface 102 provided in the cylinder block 100 with respect to the first inclined surface 25a.
  • E102 is configured to be in line contact.
  • the inclination angle of the first inclined surface 25a (inclination angle with respect to the seal surface between the cylinder block 100 and the elastic gasket 20 (the contact surface between the second surface 102 and the elastic gasket 20)) is The chamfered portion 103 is set to be smaller than that.
  • the lower end of the first inclined surface 25a is set to be lower in FIGS. 6 and 7 than the corner E102.
  • the corner E102 of the cylinder block 100 is in line contact with the first inclined surface 25a of the protrusion 25.
  • the 1st inclined surface 25a is pressed by the corner
  • the dimensions of the respective parts are set so that the tip of the first portion 25X is in close contact with the surface of the metal gasket 10 due to the bending deformation.
  • the second inclined surface 25b of the projecting portion 25 is in line contact with the second inclined surface 25b at a corner E202 between the chamfered portion 203 provided on the cylinder head 200 and the fourth surface 202. It is configured as follows. In order to realize this, the inclination angle of the second inclined surface 25b (inclination angle with respect to the seal surface between the cylinder head 200 and the elastic gasket 20 (the contact surface between the fourth surface 202 and the elastic gasket 20)) is set. The chamfered portion 203 is set to be smaller than that. Further, the upper end of the second inclined surface 25b is set so as to be on the upper side in FIGS.
  • the corner E202 of the cylinder head 200 is in line contact with the second inclined surface 25b of the protrusion 25.
  • the 2nd inclined surface 25b is pressed by the corner
  • the dimensions of the respective parts are set so that the tip of the second portion 25Y is in close contact with the surface of the metal gasket 10 due to the bending deformation.
  • a recess 25c having an opening on the metal gasket 10 side is provided as in the case of the first embodiment. Accordingly, the recess 25c is provided between the first inclined surface 25a and the second inclined surface 25b.
  • the corner portion E102 (that is, the end portion of the chamfered portion 103) of the cylinder block 100 is in close contact with the first inclined surface 25a of the protruding portion 25, and the seal portion that prevents the liquid seal 30 from leaking. S3 is formed.
  • the corner E102 contacts the first inclined surface 25a in a line contact state. This line contact portion corresponds to the seal portion S3.
  • the corner portion E202 of the cylinder head 200 (that is, the end portion of the chamfered portion 203) is in close contact with the second inclined surface 25b of the protruding portion 25, thereby forming a seal portion S4 that prevents the liquid seal 30 from leaking.
  • the corner E202 is in line contact with the second inclined surface 25b. This line contact portion corresponds to the seal portion S4.
  • Example 2 By adopting the configuration as described above, the same effects as in the case of the first embodiment can be obtained in this embodiment.
  • a configuration is adopted in which leakage of the liquid seal 30 is suppressed by the seal portions S3 and S4 that are in a line contact state.
  • the seal portion In general, in the case of line contact, the seal portion is more likely to have a higher surface pressure peak than in the case of surface contact, and the sealing performance can be improved. Therefore, the sealing performance of Example 2 can be made higher than that of Example 1.
  • the tip of the first portion 25X and the tip of the second portion 25Y are in close contact with the surface of the metal gasket 10 during assembly. Therefore, the liquid seal 30 that has flowed out from the recess 25c is placed between the surface of the metal gasket 10, the first inclined surface 25a, and the chamfered portion 103, and between the surface of the metal gasket 10, the second inclined surface 25b, and the chamfered portion 203. It can be inserted between. Thereby, the sealing performance of the joint part of 3 members is improved.
  • tip of the 2nd part 25Y are a line contact state with respect to the surface of the metal gasket 10, it aims at such an effect and is liquid-sealed actively from the recessed part 25c. Even if 30 is caused to flow out, leakage of the liquid seal 30 can be suppressed. Therefore, the leakage of the liquid seal 30 can be suppressed while enhancing the sealing performance of the joint portion of the three members. Thus, leakage of the liquid seal (leakage to the contact surface between the second surface 102 and the elastic gasket 20 and the contact surface between the fourth surface 202 and the elastic gasket 20) can be more reliably suppressed.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)

Abstract

La présente invention concerne une structure et un dispositif d'étanchéité qui réduisent les fuites d'un joint liquide. Des sections chanfreinées (103, 203) sont respectivement formées entre une première (101) et une deuxième surface (102) d'un bloc cylindre (100) et entre une troisième (200) et une quatrième surface (202) d'une culasse (200). Un joint (20) conçu à partir d'un corps élastique est prévu avec une saillie (21) se projetant vers un joint métallique (10) et au contact proche de celui-ci (10). La saillie (21) possède une première surface inclinée (21a) dont au moins une partie est en contact proche avec la section chanfreinée (103) du bloc cylindre (100) et qui forme une section d'étanchéité (S1) permettant d'éviter la fuite d'un joint liquide (30), une seconde surface inclinée (21b) dont au moins une partie est au contact proche de la section chanfreinée (203) de la culasse (200) et qui forme une section de joint (S2) pour empêcher la fuite du joint liquide (30), ainsi qu'un encastrement (21c) dans lequel se trouve le joint liquide (30).
PCT/JP2009/056520 2008-04-02 2009-03-30 Structure et dispositif d'étanchéité WO2009123130A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010505906A JP5051297B2 (ja) 2008-04-02 2009-03-30 密封構造及び密封装置

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Application Number Priority Date Filing Date Title
JP2008095916 2008-04-02
JP2008-095916 2008-04-02

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WO2009123130A1 true WO2009123130A1 (fr) 2009-10-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105736697A (zh) * 2015-12-09 2016-07-06 中国船舶重工集团公司第七二六研究所 水密包覆结构
GB2535685A (en) * 2014-11-17 2016-08-31 Ford Global Tech Llc An engine cover having a sealed joint
JP2022073308A (ja) * 2020-10-30 2022-05-17 株式会社豊田自動織機 電動圧縮機

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002257241A (ja) * 2001-02-27 2002-09-11 Nippon Gasket Co Ltd 三面合わせ部用ガスケット
JP2004068672A (ja) * 2002-08-05 2004-03-04 Taiho Kogyo Co Ltd エンジンのシール構造
JP2006250199A (ja) * 2005-03-09 2006-09-21 Nissan Motor Co Ltd ３部材結合体のシール構造
JP2008019793A (ja) * 2006-07-13 2008-01-31 Toyota Motor Corp 内燃機関のシール構造

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002257241A (ja) * 2001-02-27 2002-09-11 Nippon Gasket Co Ltd 三面合わせ部用ガスケット
JP2004068672A (ja) * 2002-08-05 2004-03-04 Taiho Kogyo Co Ltd エンジンのシール構造
JP2006250199A (ja) * 2005-03-09 2006-09-21 Nissan Motor Co Ltd ３部材結合体のシール構造
JP2008019793A (ja) * 2006-07-13 2008-01-31 Toyota Motor Corp 内燃機関のシール構造

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2535685A (en) * 2014-11-17 2016-08-31 Ford Global Tech Llc An engine cover having a sealed joint
GB2535685B (en) * 2014-11-17 2018-03-07 Ford Global Tech Llc An engine cover having a sealed joint
CN105736697A (zh) * 2015-12-09 2016-07-06 中国船舶重工集团公司第七二六研究所 水密包覆结构
JP2022073308A (ja) * 2020-10-30 2022-05-17 株式会社豊田自動織機 電動圧縮機
JP7363744B2 (ja) 2020-10-30 2023-10-18 株式会社豊田自動織機 電動圧縮機

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JP5051297B2 (ja) 2012-10-17

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