WO2012095601A1 - Joint semi-ondulé - Google Patents
Joint semi-ondulé Download PDFInfo
- Publication number
- WO2012095601A1 WO2012095601A1 PCT/FR2012/050060 FR2012050060W WO2012095601A1 WO 2012095601 A1 WO2012095601 A1 WO 2012095601A1 FR 2012050060 W FR2012050060 W FR 2012050060W WO 2012095601 A1 WO2012095601 A1 WO 2012095601A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- seal
- corrugated
- section
- por3
- length
- 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.)
- Ceased
Links
Classifications
-
- 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
-
- 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
- F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
- F16J15/022—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material
- F16J15/024—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity
-
- 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
- F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
-
- 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
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
- F16J15/106—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure homogeneous
Definitions
- the present invention relates to a semi-corrugated seal, elastomer, placed and compressed in a housing, such as a groove, between two parts of a seal assembly ier.
- Such a seal makes it possible to ensure a seal in many applications, but the invention more particularly aims to achieve a seal in a heat engine, for example at the bolt cover.
- elastomer seal means a seal made from rubber or a synthetic polymer.
- the manufacturers seek to fulfill the sealing function with a minimum volume of material.
- the section of a joint according to the prior art is around 3 millimeters in width and 8 millimeters in height.
- such a seal has a cross section of fixed geometry and a linear profile over the entire length of said seal.
- specific shapes can be added locally and distributed in the length of the seal to seal in a non-planar area such as a bearing arch for example, or to seal with a third piece of the assembly.
- the present invention aims at overcoming the disadvantages of the prior art by proposing a design of an elastomer seal making it possible to reduce the volume of material used for producing said seal while maintaining a good stability of the seal and a good recovery of compressive forces, and thus preserving the sealing capacity of the joint.
- the present invention also proposes a design of an elastomer seal for locally adjusting the compressive strength of said seal.
- the subject of the invention is an elastomer seal having a length along an outline and a width and height cross-section taken in a transverse plane perpendicular to said length, said seal being characterized in that the section has a continuously variable geometry in the length of the joint.
- FIG. 1 represents a perspective view of a section of a semi-corrugated seal in a preferred embodiment of the invention
- FIG. 2 represents a sectional view along a transverse plane of a semi-corrugated seal in a preferred embodiment according to the invention
- FIGS. 3 to 5 show sectional views along a transverse plane of various alternative embodiments of the corrugated portions of a semi-corrugated seal according to the invention
- FIG. 6 to 10 show top views in a median plane of different embodiments of the undulations of the corrugated portions of a semi-corrugated seal according to the invention.
- the present invention relates to an elastomeric seal.
- the invention means a seal made from a synthetic polymer, rubber or any other deformable material capable of being compressed to achieve a seal between two parts.
- the invention is described for the realization of a seal in a heat engine at the cylinder head cover, however this application is not limiting and said semi-corrugated seal can provide sealing in many other applications.
- the semi-corrugated seal 10 is disposed in a housing 18 made in the one of the pieces (14,16).
- Said housing 18 may consist of a groove 20 machined in one of the pieces (14, 16), in shoulders made in each of the pieces (14, 16), or in any other machining making it possible to release a volume V for receiving semi-corrugated joint.
- the semi-corrugated seal 10 has a length L along a contour C and a transverse section S of width I and height H taken in a transverse plane T taken in the length L of the seal and perpendicular to said length L.
- a median plane M of the seal is taken in the height H of the joint and perpendicular to said height H.
- the contour C followed by the seal 10 is continuous and closed so as to surround one or more internal conduits to be connected, or one or more internal enclosures to be closed, in a sealed manner between the two pieces (14, 16). .
- the height H of the semi-corrugated seal 10 is greater than that of the housing 18 while the width I of the seal is less than that of the housing 18.
- the section S of the semi-corrugated seal 10 has a continuously variable geometry in the length L of the joint, the geometry of said section S thus constantly changing shape in the length L of the seal.
- At least one portion (PO 2, PO 3) taken in the height H of said gasket has a cross section (S2, S3) of width (12, 13) smaller than the width I of the gasket, and follows a non-continuous profile. -linear in the length L of the seal, while at least a portion (POR1) taken in the height H of said seal follows a linear profile in the length L of the seal.
- the seal 10 comprises in its height H:
- a linear portion POR1 according to a linear profile LIN in the length L of the joint, and, - At least one corrugated portion (POR2, POR3) juxtaposed to the first portion POR1 in said height H and in a profile (OND2, OND3) corrugated in the length L of the seal.
- the linear portion dimensionally stabilizes the semi-corrugated seal in its length, while the corrugated portion saves material, the linear and corrugated portions jointly participating in the sealing function of the assembly.
- this combination between a portion of constant section and a corrugated portion saves about 30% of material vis-à-vis a seal of constant section while allowing to properly stabilize the seal in its housing.
- the seal comprises a single corrugated POR2 or POR3 portion juxtaposed with the first POR1 portion above or below it in the height H of the seal.
- the seal comprises two corrugated portions POR2 and POR3 located on either side of the portion linear POR1 in the height H of the joint, each corrugated portion (POR2, POR3) following a corrugated profile (OND2, OND3) in the length L of the joint.
- the width (12,13) of the cross section (S2, S3) of the corrugated portion (POR2, POR3) is at most equal to 80% of the width 11 of the cross section SI of the linear portion POR1.
- a width (12,13) of the corrugated portion equal to 1 millimeter makes it possible to give the joint good compressive strength and good stability. in his dwelling.
- the width (12, 13) of the transverse section (S2, S3) of the corrugated portion (PO 2, PO 3) is preferably at least equal to 20% of the width 11 of the cross section 51 of the linear portion POR1.
- the width (12,13) of one of two corrugated portions may be greater than the width of the other corrugated portion, as shown in Figure 3 and 5.
- the waved portion (POR2, POR3) the least wide is preferably that which is placed entirely in the housing 18 while the widest corrugated portion is mounted protruding from the housing 18 before compression of the joint 10.
- the height (H2, H3) of the cross section (S2, S3) of the portion corrugated (POR2, POR3) is preferably at most equal to 150% of the height H1 of the cross section 51 of the linear portion POR1, the sum of the heights (H1, H2, H3) of the different linear and corrugated portions (POR1, POR2, POR3) being substantially equal to the height H of the seal.
- the height (H2, H3) of one of the two portions corrugated (POR2, POR3) may be greater than the height of the other corrugated portion, as shown in Figure 3 and 5.
- the highest corrugated portion (POR2, POR3) is preferably that which is placed completely in the housing 18 while the lowest corrugated portion is mounted rising from the housing 18 before compression of the seal 10.
- At least one side face (F2I, F2E, F3I, F3E) of the corrugated portion (POR2, POR3) has a draft angle of between 0 and 15 degrees, said draft angle for improving the stability of the seal in its housing.
- the two side faces (F2I, F2E ( F3I, F3E) of the corrugated portion may have equal or different draft angles.
- the two faces (F2I, F2E) of the corrugated portion POR2 both have a zero draft angle while the two faces (F3I, F3E) of the corrugated portion POR3 both have an ANG1 clearance angle. not bad.
- the first face F3I of the corrugated portion POR3 has an angle of clearance ANG2 greater than the relief angle ANG3 of the other face F3E of said corrugated portion POR3.
- the first face F3I of the corrugated portion POR3 has a non-zero clearance angle ANG4 while the other face F3E of said corrugated portion POR3 has a zero clearance angle.
- the side faces (F2I, F2E, F3I, F3E) of the corrugated portion (POR2, POR3) have a draft angle of 3 degrees.
- the corrugations 22 of the corrugated portion (POR2, POR3) have an amplitude (A1, A2) greater than or equal to the width 11 of the cross section 51 of the linear portion POR1.
- the undulations 22 of the corrugated portion may have an amplitude (A1, A2) equal to the width 11 of the cross section 51 of the linear portion POR1.
- the ridges 24 of said corrugations 22 come into contact with the walls of the housing 18 simultaneously with the lateral faces (F1I, F1E) of the linear portion POR1, the portion corrugated (POR2, POR3) and POR1 linear portion thus ensuring the sealing function.
- corrugations can make it possible to increase the compressive strength of the seal and to increase the participation of the corrugated part in the sealing function over the entire length of the seal or on at least one section taken in said length.
- the undulations 22 of the corrugated portion may have an amplitude (A1, A2) greater than the width 11 of the cross section 51 of the linear portion POR1 over the entire length L of the seal 10 or at least one section 26 taken in the length L of the seal.
- This reinforcement of the sealing function filled by the corrugated portion makes it possible to adapt the sealing capabilities of the seal to certain sections of the seal, for example subjected to higher fluid pressures to be quenched, and thus likely to move further under the effect of pressure.
- the localized increase or not the amplitude of the corrugations of the corrugated portion located entirely in the housing of the seal also improves the maintenance of the seal in said housing.
- the pitch STP1 between two corrugations 22 of the corrugated portion (PO 2, PO 3) may be shorter at at least one section 28. taken in the length L of the seal that the pitch STPO between two corrugations 22 taken outside said section 28.
- the corrugated portion incorporates at least one cylinder, solid or hollow 32, inserted between its corrugations 22 at the level of at least one section 34 taken in the length L of the seal.
- the corrugations 22 of the corrugated portion can integrate between them a cylinder, solid or hollow 32, at said elbow 36.
- the corrugated profile (OND2, OND3) followed by the corrugations 22 of a corrugated portion (POR2, POR3) is preferably substantially sinusoidal.
- the invention also covers variants in which said corrugations follow a crenellated, triangular profile, or any other profile running from one side to the other of the width I of the joint.
- the invention also covers variants in which the corrugations 22 of one and / or the other corrugated portion (POR2, POR3) have an amplitude (A1, A2 ) greater than the width 11 of the cross-section SI of the linear portion POR1 over the entire length L of the seal 10 or at the level of at least one section 26 taken in the length L of the joint, or in which the pitch STP1 between two corrugations 22 of one and / or the other corrugated portion (POR2, POR3) is shorter at at least one section 28 taken in the length L of the joint than the pitch STPO between two undulations 22 taken outside said section 28, or in which the one e / or the other corrugated portion (PO 2, PO 3) incorporates at least one cylinder, solid or hollow 32, inserted between its corrugations 22 at the level of at least one section 34 taken in the length L of the seal.
- the invention also covers an alternative embodiment of the joint with two corrugated portions (POR2, POR3) in which the corrugations 22 of a corrugated portion are out of phase with respect to the corrugations. 22 of the other undulating portion.
- the width 11 of the transverse section S1 of the linear portion POR1 is substantially equal to the width I of the seal.
- At least one side face (F1I, F1E) of the linear portion POR1 is equipped with means of retained 38.
- the retaining means 38 take the form of a convex surface CONV substantially continuous along the length L of the seal.
- the retaining means 38 take the form of a substantially continuous CONC concave surface on the length L of the seal.
- the retaining means 38 take the form of a substantially continuous ETA stepped surface along the length L of the seal.
- the linear portion POR1 may comprise at least one protuberance 40 of constant profile in the length L of the seal at its lower face. 42 and / or greater 44, said protuberance forming a sealing rib capable of improving the sealing achieved by the seal.
- the present invention covers any assembly between two parts, including a cylinder head and a cylinder head cover, sealed with a semi-corrugated seal as just described.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12705315.5A EP2683966B1 (fr) | 2011-01-12 | 2012-01-10 | Joint semi-ondulé |
| BR112013014767A BR112013014767A2 (pt) | 2011-01-12 | 2012-01-10 | gaxeta semicorrugada |
| US13/992,104 US9133935B2 (en) | 2011-01-12 | 2012-01-10 | Semicorrugated gasket |
| ES12705315.5T ES2614282T3 (es) | 2011-01-12 | 2012-01-10 | Junta semiondulada |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1150262 | 2011-01-12 | ||
| FR1150262A FR2970312B1 (fr) | 2011-01-12 | 2011-01-12 | Joint semi-ondule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012095601A1 true WO2012095601A1 (fr) | 2012-07-19 |
Family
ID=44539834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2012/050060 Ceased WO2012095601A1 (fr) | 2011-01-12 | 2012-01-10 | Joint semi-ondulé |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9133935B2 (fr) |
| EP (1) | EP2683966B1 (fr) |
| BR (1) | BR112013014767A2 (fr) |
| ES (1) | ES2614282T3 (fr) |
| FR (1) | FR2970312B1 (fr) |
| PL (1) | PL2683966T3 (fr) |
| WO (1) | WO2012095601A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3029257A1 (fr) * | 2014-12-02 | 2016-06-03 | Freudenberg Carl Kg | Joint d'etancheite comprenant une forme continuellement variable et des barrettes laterales de maintien |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016006393A1 (fr) * | 2014-07-07 | 2016-01-14 | Nok株式会社 | Joint |
| DE102015120785A1 (de) * | 2015-11-30 | 2017-06-01 | Airbus Operations Gmbh | Verfahren zur Herstellung eines Fahrzeugkabinenteils |
| 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 |
| JP1604073S (fr) * | 2017-06-27 | 2018-05-21 | ||
| JP6547237B1 (ja) * | 2019-02-26 | 2019-07-24 | 千住金属工業株式会社 | はんだ付け装置及びはんだ付け装置にパッキンを固定する方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2605512A1 (de) * | 1976-02-12 | 1977-08-18 | Blohm Voss Ag | Zwischen zwei teilen, insbesondere zwischen dem schiffs-lukendeckel und dem lukensuell angeordnetes dichtungsprofil |
-
2011
- 2011-01-12 FR FR1150262A patent/FR2970312B1/fr active Active
-
2012
- 2012-01-10 US US13/992,104 patent/US9133935B2/en active Active
- 2012-01-10 EP EP12705315.5A patent/EP2683966B1/fr active Active
- 2012-01-10 PL PL12705315T patent/PL2683966T3/pl unknown
- 2012-01-10 ES ES12705315.5T patent/ES2614282T3/es active Active
- 2012-01-10 BR BR112013014767A patent/BR112013014767A2/pt active Search and Examination
- 2012-01-10 WO PCT/FR2012/050060 patent/WO2012095601A1/fr not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2605512A1 (de) * | 1976-02-12 | 1977-08-18 | Blohm Voss Ag | Zwischen zwei teilen, insbesondere zwischen dem schiffs-lukendeckel und dem lukensuell angeordnetes dichtungsprofil |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3029257A1 (fr) * | 2014-12-02 | 2016-06-03 | Freudenberg Carl Kg | Joint d'etancheite comprenant une forme continuellement variable et des barrettes laterales de maintien |
| WO2016087995A1 (fr) | 2014-12-02 | 2016-06-09 | Carl Freudenberg Kg | Joint d'étanchéité comprenant une forme à variation continue et des bandes de retenue latérales |
| US10295061B2 (en) | 2014-12-02 | 2019-05-21 | Carl Freudenberg Kg | Seal comprising a continuously variable shape and lateral retaining strips |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140197606A1 (en) | 2014-07-17 |
| US9133935B2 (en) | 2015-09-15 |
| PL2683966T3 (pl) | 2017-06-30 |
| EP2683966B1 (fr) | 2016-11-09 |
| ES2614282T3 (es) | 2017-05-30 |
| BR112013014767A2 (pt) | 2016-10-04 |
| EP2683966A1 (fr) | 2014-01-15 |
| FR2970312A1 (fr) | 2012-07-13 |
| FR2970312B1 (fr) | 2013-10-11 |
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