WO2004076894A1 - リップ型シール - Google Patents
リップ型シール Download PDFInfo
- Publication number
- WO2004076894A1 WO2004076894A1 PCT/JP2004/000936 JP2004000936W WO2004076894A1 WO 2004076894 A1 WO2004076894 A1 WO 2004076894A1 JP 2004000936 W JP2004000936 W JP 2004000936W WO 2004076894 A1 WO2004076894 A1 WO 2004076894A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lip
- seal
- reinforcing member
- seal member
- annular
- Prior art date
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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
-
- 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
-
- 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3228—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip formed by deforming a flat ring
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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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
- F16J15/3276—Mounting of sealing rings with additional static sealing between the sealing, or its casing or support, and the surface on which it is mounted
Definitions
- the present invention relates to a lip seal for sealing between a housing and a rotating shaft of an air compressor or the like used in an air conditioning system of an automobile or the like, and more particularly, to a lip seal capable of performing recycle processing.
- a conventional lip-type seal in consideration of recycling includes a metal core ring 1 and a rubber-made first sealing member 2 which accommodates the core ring 1 and is formed in a substantially conical shape.
- the first seal member 2 is constituted by a resin-made second seal member 3 formed in a substantially conical shape and disposed adjacent to the first seal member 2, and a metal backup ring 4 disposed adjacent to the second seal member 3.
- a resin-made second seal member 3 formed in a substantially conical shape and disposed adjacent to the first seal member 2
- a metal backup ring 4 disposed adjacent to the second seal member 3.
- the first seal member 2 includes an annular base 2a joined to a housing H of an air compressor or the like, a lip portion defining an inner edge abutting on a rotating shaft S rotatably supported by the housing H. 2b, an annular receiving portion 2c formed to fit the core ring 1 in the base portion 2a, a notch 2d, and the like.
- the second seal member 3 has a substantially flat outer edge portion 3a
- the knock-up ring 4 is formed by a lip portion 3b or the like that defines an inner edge abutting on the shaft S.
- the knock-up ring 4 is a cylindrical portion 4a fitted inside the base 2a, and a wall portion that defines a circular hole through which the rotation shaft S passes. 4b, etc.
- the above-mentioned lip type seal is assembled!
- the second seal member 3 is sandwiched between the first seal member 2 and the back coupling 4, but since the first seal member 2 is made of rubber, its elastic deformation or change with time For example, there is a possibility that the second seal member 3 cannot be reliably held.
- the present invention has been made in view of the circumstances of the prior art described above, and an object of the present invention is to facilitate assembly work of components while securing an original sealing function.
- An object of the present invention is to provide a lip-type seal that can be easily disassembled and separated, and can be recycled. Disclosure of the invention
- a lip-type seal of the present invention for achieving the above object is a lip-type seal for sealing an outer periphery of a rotating shaft supported by a predetermined housing, wherein a wall portion and a wall portion defining a hole through which the rotating shaft passes.
- An annular first reinforcing member having a cylindrical portion bent from the outer edge of the housing, an annular base joined to the housing, extending substantially conically from the base radially inward, and abutting the rotating shaft.
- a first seal member having an annular concave portion formed in a base portion so that the first lip portion to be obtained and the cylindrical portion of the first reinforcing member are removably fitted. Configuration.
- the two parts can be assembled simply by fitting the cylindrical portion of the first reinforcing member into the annular concave portion formed at the base of the first seal member (without using force crimping or using an adhesive or the like).
- both can be separated and separated only by pulling out the cylindrical portion from the annular concave portion.
- the first reinforcing member is formed integrally with the exposed wall surface portion with respect to the cylindrical portion which is fitted and buried in the concave portion of the first seal member.
- the first annular member can be easily pulled out of the first seal member by grasping (put a finger in the hole or through a tool or the like).
- the assembling work and the disassembling work can be easily performed.
- the first reinforcing member has an inner cylindrical portion cooperating with the cylindrical portion to clamp the base from the inside, and a wall surface of the first reinforcing member is formed to extend from the inner cylindrical portion.
- the configuration can be adopted.
- the inner cylindrical portion of the first reinforcing member cooperates with the cylindrical portion located on the outer side to form the base portion (the concave portion and the concave portion). (Part defined by the inner peripheral surface) in the radial direction, and the assembly of the two is more reliably performed.
- the wall surface of the first reinforcing member supports the root region of the first lip, and the first lip can be prevented from being deformed beyond a predetermined range.
- the wall surface portion is merely disposed adjacent to the root region of the first lip portion, the two can be easily separated without any problem.
- a second seal member sandwiched between the first reinforcement member and the first seal member, and an annular shape fitted to the first seal member on a side opposite to the first reinforcement member.
- the second sealing member further includes a second sealing member, wherein the second sealing member is sandwiched by the wall surface portion of the first reinforcing member and the root region of the first lip portion, and radially inward from the sandwiching portion.
- a second lip portion extending in a substantially conical shape and capable of abutting on the rotating shaft; the second reinforcing member is configured to be bent from an inner wall force of the annular wall surface abutting on the base portion in an axial direction of the rotating shaft and an inner edge force of the annular wall surface portion; And a cylindrical portion fitted to the inside of the base portion.
- the cylindrical portion of the first reinforcing member is fitted into the concave portion of the first seal member in a state where the held portion of the second seal member is sandwiched, and the cylindrical portion of the second reinforcing member is further fitted to the base portion.
- the first reinforcing member, the first sealing member, the second sealing member, and the second reinforcing member are assembled, while the cylindrical portion of the first reinforcing member is pulled out of the recess, and (2) Only by pulling out the cylindrical portion of the reinforcing member from the inside of the base portion, each component can be separated and separated.
- the base of the first seal member is sandwiched by the cylindrical portion of the first reinforcing member and the cylindrical portion of the second reinforcing member, so that the respective components can be assembled more reliably.
- the first seal member may be formed of a rubber material
- the second seal member may be formed of a resin material
- the sorting operation can be easily performed during recycling. it can.
- the abutting portion located at the tip of the cylindrical portion is in contact with the wall surface of the first reinforcing member while restricting deformation of the root region of the first lip.
- the second seal member (part to be pinched) is securely clamped, and the second seal member is more securely assembled.
- the second seal member is merely sandwiched between the first reinforcing member and the first seal member.
- the rotation of the second seal member can be prevented by the rotation stopper.
- the second reinforcing member has a restricting portion that is bent inward from the cylindrical portion and is formed in a cylindrical shape, and restricts radial deformation of the first lip portion to a predetermined range. Can be adopted.
- the cylindrical restriction portion is provided so as to surround the first lip portion in the radial direction outside, the first lip portion is prevented from being deformed outward beyond the allowable range.
- the desired sealing performance can be secured.
- annular spring is provided in the outer peripheral region of the first lip portion, it is possible to prevent the first lip portion from being deformed outward beyond an allowable range, and to achieve a desired sealing performance. Can be secured. Also, since this spring is detachable, it can be easily assembled and disassembled.
- annular third reinforcing member for restricting radial deformation of the first lip portion to a predetermined range is sandwiched. Can be adopted.
- FIG. 1 is a partial cross-sectional view showing a conventional lip seal.
- FIG. 2 is a partial cross-sectional view schematically showing an air compressor to which the lip seal according to the present invention is applied.
- FIG. 3 is an exploded perspective view showing an embodiment of the lip seal according to the present invention.
- FIG. 4 is a partial cross-sectional view of the lip seal shown in FIG.
- FIG. 5 is an exploded perspective view showing another embodiment of the lip seal according to the present invention.
- FIG. 6 is a partial cross-sectional view of the lip seal shown in FIG.
- FIG. 7 is a partial cross-sectional view showing another mounting method of the lip seal shown in FIG.
- FIG. 8 is an exploded perspective view showing still another embodiment of the lip seal according to the present invention.
- FIG. 9 is a partial cross-sectional view of the lip seal shown in FIG.
- FIG. 10 is an exploded perspective view showing still another embodiment of the lip seal according to the present invention.
- FIG. 11 is a partial cross-sectional view of the lip seal shown in FIG.
- FIG. 12 is an exploded perspective view showing still another embodiment of the lip seal according to the present invention.
- FIG. 13 is a partial cross-sectional view of the lip seal shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- the air compressor C has a housing ⁇ which defines an outer contour, a rotating shaft S which is housed in the housing H and transmits a rotational driving force from the outside to the compression mechanism, and a rotating shaft S. Seal the space between the outer peripheral surface and the housing H to seal the atmosphere A and the inner space. It is formed by a lip-type seal 10 or the like that blocks the gap B.
- the lip-shaped seal 10 includes an annular first reinforcing member 11 and an annular first seal member 12.
- the first reinforcing member 11 is formed, for example, by pressing a metal plate such as a cold-rolled steel strip or a stainless steel plate, and passes through the rotating shaft S as shown in FIGS.
- An inner cylindrical portion 11c and the like are interposed between the inner cylindrical portion 11b and formed coaxially inside the cylindrical portion 11b.
- the first seal member 12 is, for example, molded using a rubber material such as H-NBR, and is joined to the wall surface HI of the housing H and in the axial direction as shown in FIGS.
- An annular (cylindrical) base 12 a extending to L, a second end defining a circular inner edge 1 2 b ′ extending substantially conically from the base 12 a toward the inside in the radial direction and capable of abutting the rotation axis S.
- An annular (cylindrical) concave portion 1 2 c having an opening 12 c ′ at the end face (at the atmosphere A side) at the lip portion 12 b and the base portion 12 a to receive the cylindrical portion 11 b Etc.
- the first reinforcing member 11 is formed such that the wall surface 11 a is adjacent to (closely adheres to) the root region 12 b of the first seal portion 12 b in the axial direction L. 2b is prevented from deforming radially inward beyond the allowable range. Further, in the first reinforcing member 11, the inner cylindrical portion 1 1c fits inside the base 12a, and cooperates with the cylindrical portion 1 1b to form a part 12a '''( A portion defined by the concave portion 12c and the inner peripheral surface of the base portion 12a) is formed so as to be sandwiched in the radial direction, so that the first seal member 12 can be securely assembled.
- the first seal member 12 is formed with two ridges 12 a ′ that protrude annularly outward in the radial direction on the outer peripheral surface of the base 12 a. It is designed to increase adherence.
- the assembling and disassembling work of the lip type seal 10 will be described. First, when assembling, as shown in FIG. 3, the first reinforcing member 11 and the first sealing member 12 are arranged in the axial direction L, and the cylindrical portion 11 b of the first reinforcing member 11 is first sealed. The member 12 is fitted into an annular recess 12 c formed in the base 12 a of the member 12. By this insertion work alone, the thread setting of both can be easily completed without using caulking or an adhesive. In this assembled state, the base portion 12a is securely held between the cylindrical portion lib and the inner cylindrical portion 11c, so that both are securely assembled.
- the first reinforcing member 11 and the first seal member 12 can be reliably separated only by pulling out the cylindrical portion 11b from the annular concave portion 12c.
- the first reinforcing member 11 is exposed to the cylindrical portion 11 b fitted into the concave portion 12 c of the first seal member 12, and is exposed to the wall portion 11 a Since it is formed physically, it can be easily disassembled, for example, by inserting a finger into the circular hole 11a 'or grasping the wall portion 11a through a tool or the like.
- the lip type seal 10 when the lip type seal 10 is attached to the air compressor C, the inner edge 12 b ′ of the first lip portion 12 b abuts on the outer peripheral surface of the rotating shaft S as shown in FIG.
- the rotating shaft S is passed through the contact surface so that the base 12a of the first seal member 12 is fitted to the wall surface H1, and the end surface of the first reinforcing member 11 is brought into contact with the wall surface H2.
- the snap ring R is attached so as to be in contact with the first seal member 12.
- the snap ring R is formed so as to have an inclined surface forming an angle ⁇ of about 10 degrees to 20 degrees, preferably about 15 degrees, and is formed so as to also have an inclined surface in the housing H.
- the lip-type seal 10 is pressed against the wall surface H2 by being fitted into the annular groove H3.
- the present invention is not limited to this.
- a configuration in which the cylindrical portion lib is provided directly by bending from the outer edge of the portion 11a may be adopted.
- 5 and 6 show another embodiment of the lip seal according to the present invention, in which a second seal member and a second reinforcing member are added to the above-described embodiment. . Note that the same components as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted.
- the lip seal 20 includes an annular first reinforcing member 21, an annular first sealing member 22, a first reinforcing member 21, and a first sealing member 22. And a second reinforcing member 24 fitted to the first sealing member 22 on the side opposite to the first reinforcing member 21.
- the first reinforcing member 21 is formed, for example, by pressing a metal plate such as a cold-rolled steel strip or a stainless steel plate, and passes through the rotating shaft S as shown in FIGS. 5 and 6.
- the cylindrical portion 2 1b which extends from the outer edge of the wall portion 2 1a and the axial direction L, is formed by bending from the outer edge of the wall portion 2 1a, the cylindrical portion 2 1a and the cylindrical portion. It has a flange 21c and the like formed by expanding the diameter in a bending region with 21b.
- the protrusions 21a ' can effectively restrict the rotation of the second seal member 23 even if the second seal member 23 is simply sandwiched.
- the first seal member 22 is formed by using, for example, a rubber material such as H_NBR, and is joined to the wall surface HI of the housing H and in the axial direction as shown in FIGS. 5 and 6.
- An annular (cylindrical) base 22 a extending to L, a second end defining a circular inner edge 2 2 b ′ extending substantially conically from the base 22 a toward the inside in the radial direction and capable of contacting the rotation axis S. 1
- An annular (cylindrical) concave part 2 2 c having an opening 22 c ′ at the end face (at the atmosphere A side) at the lip part 22 b and the base part 22 a to receive the cylindrical part 21 b Etc.
- the second seal member 23 is formed by molding using a resin material such as, for example, tetrafluoroethylene resin, and as shown in FIGS. 5 and 6, the wall surface portion 2 la and the first seal portion 2 are formed.
- the clamped portion 23a which is formed flat with a circular outer contour so as to be clamped by the root region 2 2b '' of 2b, and extends from the clamped portion 23a in a substantially conical shape radially inward. It has a second seal portion 23 b and the like defining a circular inner edge 23 b ′ that can abut on the rotation axis S.
- the second reinforcing member 24 is formed by pressing a metal plate such as a cold-rolled steel strip, a stainless steel plate, or the like, as shown in FIGS. 5 and 6.
- a metal plate such as a cold-rolled steel strip, a stainless steel plate, or the like
- the flat annular wall portion 24a abutting on the end face (on the side of the internal space B) of the base portion 22a is bent from the inner edge of the annular wall portion 24a and extends in the axial direction L.
- the cylindrical portion 24b formed and fitted inside the base portion 22a, and is formed by bending vertically at the tip of the cylindrical portion 24b and abuts on the root region 22b '' of the first seal portion 22b. It has a contact portion 24b and the like.
- the assembly and disassembly work of the lip seal 20 will be described.
- the first reinforcing member 21, the second sealing member 23, the first sealing member 22, and the second reinforcing member 24 are arranged in the axial direction L, and the second sealing member 23
- the cylindrical portion 21b of the first reinforcing member 21 is fitted into the concave portion 22a of the first seal member 22 so as to sandwich the held portion 23a of the second reinforcing member 24.
- the assembling of the first reinforcing member 21, the first sealing member 22, the second sealing member 23, and the second reinforcing member 24 is completed without caulking or using an adhesive or the like.
- the second seal member 23 is securely assembled at a predetermined position. Further, by the first Totsuyo member 2 1 a cylindrical portion 2 1 b and the second Totsuyo member 2 4 of the cylindrical portion 2 4 b, the base 2 2 a part 2 2 a, (recess 2 2 c and the base ( Part defined by the inner peripheral surface of 22a) Force Force firmly clamped in the radial direction, and assemble the first reinforcing member 21, the first sealing member 22, and the second reinforcing member 24 together. It is done reliably.
- the cylindrical portion 21b of the first reinforcing member 21 is pulled out from the concave portion 22c, and the cylindrical portion 24b of the second reinforcing member 24 is cut from the inside of the base 22a.
- the first reinforcing member 21 is integrally formed with an exposed wall portion 21 a and a cylindrical portion 21 b that is fitted and embedded in the recess 22 c. Therefore, for example, it can be easily disassembled by putting a finger into the circular hole 21a 'or grasping the wall surface 21a through a tool or the like.
- FIG. 7 instead of the snap ring R, another member (or a part of the housing H) disposed in the housing H is moved in the second direction from the axial direction L.
- the lip seal 20 may be pressed against the wall H2 by abutting the annular wall portion 24a of the reinforcing member 24.
- the protrusion may be integrally formed with b ′ ′.
- the contact portion 24 b is provided in the second reinforcing member 24.
- the cylindrical portion 24 b is shortened. Then, the contact portion 24b 'may be omitted, and the cylindrical portion 24b may be slightly loosely fitted inside the base portion 22a.
- FIGS. 8 and 9 show still another embodiment of the lip seal according to the present invention. This is a modification of the embodiment shown in FIGS. 5 and 6 in which the second reinforcing member is changed. Therefore, the same components as those of the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted.
- the second reinforcing member 24 ′ force annular wall portion 24 a, cylindrical portion 24 b, and contact portion 24 b b
- a regulating portion 24c formed in a cylindrical shape so as to bend further inward from the contact portion 24b and extend in the axial direction L.
- the restricting portion 24c is formed into a cylindrical shape so as to surround the first lip portion 22b on the radially outer side of the first lip portion 22b in the threaded state.
- the first lip portion 22b is prevented from being deformed outward beyond an allowable range. Therefore, desired sealing performance can be ensured without being affected by the fluid in the internal space B.
- FIGS. 1 and 11 show still another embodiment of the lip seal according to the present invention.
- the first seal member is partially changed.
- an annular spring 25 is added. Therefore, the same components as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted.
- the first seal member m annular base 22 a, first lip 22 b, annular recess 2 In addition to 2 c, opening 22 c ′, etc., it has an annular groove 22 b ′ ′′ formed on the outer peripheral surface of the first lip portion 22 b.
- annular spring 25 is detachably mounted in the groove 22b "".
- a predetermined biasing force is always exerted radially inward on the second lip 2b to prevent the first lip portion 22b from being deformed outward beyond an allowable range.
- FIGS. 12 and 13 show still another embodiment of the lip seal according to the present invention.
- the third reinforcing member 26 It was done. Therefore, the same components as those of the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted.
- annular third reinforcing member is provided between the first seal member 22 and the second seal member 23. Member 26 is clamped.
- the third reinforcing member 26 is formed, for example, by pressing a metal plate such as a cold-rolled steel strip or a stainless steel plate.
- a metal plate such as a cold-rolled steel strip or a stainless steel plate.
- Clamped portion 26 a formed with a substantially circular outer contour so as to be clamped between the clamped portion 23 a of the screw member 23 and the root region 22 b ′ ′ of the first seal member 22. It has a sloped portion 26b extending substantially conically from the pinched portion 26a radially inward and defining a circular hole 26b through which the rotary shaft S passes.
- the slope 26 b is formed so as to be adjacent (close) to the first lip 22 b of the first seal member 22, and the first lip 22 b is formed. It is designed to prevent inward deformation beyond the allowable range. Therefore, desired sealing performance can be ensured without being affected by the fluid in the internal space B. Also in the lip-type seal 20 ′ ′ ′, assembling work and disassembly work can be easily performed while securing the desired sealing performance as described above. In the embodiment described above, a case is shown in which the lip seals 10, 20, 20 ′, 20 ′, 20 ′ are applied to an air compressor C that is a part of an air conditioning system for automobiles and the like. However, it is not limited to this. The present invention can be applied to any machine or electric device provided with a housing for supporting a shaft. Industrial applicability
- the lip-type seal of the present invention can be easily assembled and can be easily disassembled and separated while ensuring the desired sealing performance, so that the recycling process can be easily performed. . Therefore, it is useful for machinery, electrical equipment, and the like that need to seal the outer periphery of the rotating shaft.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005502820A JP4634299B2 (ja) | 2003-02-27 | 2004-01-30 | リップ型シール |
US10/542,751 US7344140B2 (en) | 2003-02-27 | 2004-01-30 | Lip-type seal |
EP04706837A EP1598579B1 (en) | 2003-02-27 | 2004-01-30 | Lip-type seal |
KR1020057012723A KR101051110B1 (ko) | 2003-02-27 | 2004-01-30 | 리프형 실 |
DE602004013730T DE602004013730D1 (de) | 2003-02-27 | 2004-01-30 | Lippendichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-52078 | 2003-02-27 | ||
JP2003052078 | 2003-02-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004076894A1 true WO2004076894A1 (ja) | 2004-09-10 |
Family
ID=32923388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/000936 WO2004076894A1 (ja) | 2003-02-27 | 2004-01-30 | リップ型シール |
Country Status (7)
Country | Link |
---|---|
US (1) | US7344140B2 (ja) |
EP (1) | EP1598579B1 (ja) |
JP (1) | JP4634299B2 (ja) |
KR (1) | KR101051110B1 (ja) |
CN (1) | CN100392293C (ja) |
DE (1) | DE602004013730D1 (ja) |
WO (1) | WO2004076894A1 (ja) |
Cited By (8)
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EP2065625A2 (en) | 2007-11-28 | 2009-06-03 | Eagle Industry Co., Ltd. | Lip type seal |
WO2009139235A1 (ja) * | 2008-05-15 | 2009-11-19 | イーグル工業株式会社 | リップタイプシール |
WO2011030585A1 (ja) | 2009-09-09 | 2011-03-17 | イーグル工業株式会社 | リップタイプシール |
CN102200208A (zh) * | 2010-03-24 | 2011-09-28 | 仓敷化工株式会社 | 挠性接头 |
US8256772B2 (en) | 2008-11-27 | 2012-09-04 | Eagle Industry Co., Ltd. | Lip type seal |
JP2014052001A (ja) * | 2012-09-05 | 2014-03-20 | Koyo Sealing Techno Co Ltd | 密封装置の取付構造、及び密封装置 |
JP2014228122A (ja) * | 2013-05-27 | 2014-12-08 | Nok株式会社 | 密封装置 |
JP2016047574A (ja) * | 2014-08-27 | 2016-04-07 | 株式会社マキタ | 作業工具 |
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KR101215059B1 (ko) * | 2004-12-28 | 2012-12-24 | 이글 고오교 가부시키가이샤 | 샤프트 실링장치 |
US7854432B2 (en) * | 2005-02-24 | 2010-12-21 | Freudenberg-Nok General Partnership | Dynamic seal |
US20060290068A1 (en) * | 2005-06-27 | 2006-12-28 | Freudenberg-Nok General Partnership | Radially assembled seal |
JP4579110B2 (ja) * | 2005-09-07 | 2010-11-10 | 三菱電線工業株式会社 | 回転軸シール |
US20080012238A1 (en) * | 2006-02-07 | 2008-01-17 | Federal-Mogul World Wide, Inc. | Method of retaining a dynamic seal in a bore that has a draft |
JP4822897B2 (ja) * | 2006-03-28 | 2011-11-24 | 三菱電線工業株式会社 | 回転軸シール |
US20090166977A1 (en) * | 2006-07-20 | 2009-07-02 | Carl Freudenberg Kg | Seal |
JP4800158B2 (ja) * | 2006-09-15 | 2011-10-26 | 三菱電線工業株式会社 | 回転軸シール |
US7753377B2 (en) * | 2007-01-29 | 2010-07-13 | Freudenberg-Nok General Partnership | Shaft seal having shaft offset compensating capability |
JP5252878B2 (ja) * | 2007-10-25 | 2013-07-31 | 三菱電線工業株式会社 | 回転軸シール |
WO2009094598A1 (en) * | 2008-01-25 | 2009-07-30 | Kenneth Krohn | Device for connecting to ducts of various sizes and shapes |
TWI331123B (en) * | 2008-03-06 | 2010-10-01 | Gudeng Prec Ind Co Ltd | Reticle pod and method for keeping reticle clean and dry |
US8096559B2 (en) * | 2008-05-23 | 2012-01-17 | Bal Seal Engineering, Inc. | Rotary seals |
GB0814616D0 (en) * | 2008-08-11 | 2008-09-17 | Crane John Uk Ltd | Improvements in and relating to spring energised plastic seals |
US10247307B2 (en) * | 2009-03-23 | 2019-04-02 | Bal Seal Engineering, Inc. | Interlocking composite seals |
US8544850B2 (en) | 2009-03-23 | 2013-10-01 | Bal Seal Engineering, Inc. | Seal assemblies for movable and static shafts |
US8684362B2 (en) | 2009-08-12 | 2014-04-01 | Bal Seal Engineering, Inc. | Cartridge seal assemblies and associated methods |
US9746081B2 (en) * | 2009-08-25 | 2017-08-29 | Freudenberg-Nok General Partnership | Low load offset seal |
CN104613261A (zh) * | 2010-03-24 | 2015-05-13 | 仓敷化工株式会社 | 挠性接头 |
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JP2012097706A (ja) * | 2010-11-05 | 2012-05-24 | Hitachi Automotive Systems Ltd | 可変動弁装置のアクチュエータ |
US8556270B2 (en) * | 2011-06-17 | 2013-10-15 | Federal-Mogul Corporation | Radial shaft seal, radial shaft seal assembly and method of installation |
US9194498B2 (en) * | 2012-08-23 | 2015-11-24 | Eagle Industry Co., Ltd. | Sealing device |
US9297457B2 (en) * | 2013-01-29 | 2016-03-29 | Eagle Industry Co., Ltd. | Sealing device |
DE102013101468A1 (de) * | 2013-02-14 | 2014-08-14 | Dorma Gmbh + Co. Kg | Gehäusebauteil |
US9357684B2 (en) | 2013-09-24 | 2016-05-31 | Bal Seal Engineering, Inc. | Spring assemblies with spring energized seal members and related methods |
US9695937B2 (en) | 2014-02-04 | 2017-07-04 | Freudenberg-Nok General Partnership | Energy saving seal with vacuum induced counter-balance and rocking feature |
US9714710B2 (en) | 2014-02-04 | 2017-07-25 | Freudenberg-Nok General Partnership | Energy saving self-contact seal with pushing bead |
US9759330B2 (en) | 2014-02-04 | 2017-09-12 | Freudenberg-Nok General Partnership | Energy saving seal with rocking dust lip |
CN104477157A (zh) * | 2014-12-20 | 2015-04-01 | 芜湖盛力科技股份有限公司 | 一种磁悬浮列车用气顶液空气加力泵 |
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- 2004-01-30 DE DE602004013730T patent/DE602004013730D1/de not_active Expired - Lifetime
- 2004-01-30 CN CNB2004800047943A patent/CN100392293C/zh not_active Expired - Fee Related
- 2004-01-30 KR KR1020057012723A patent/KR101051110B1/ko active IP Right Grant
- 2004-01-30 EP EP04706837A patent/EP1598579B1/en not_active Expired - Fee Related
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EP2065625A3 (en) * | 2007-11-28 | 2009-11-04 | Eagle Industry Co., Ltd. | Lip type seal |
US7942424B2 (en) | 2007-11-28 | 2011-05-17 | Eagle Industry Co., Ltd. | Lip type seal |
EP2065625A2 (en) | 2007-11-28 | 2009-06-03 | Eagle Industry Co., Ltd. | Lip type seal |
WO2009139235A1 (ja) * | 2008-05-15 | 2009-11-19 | イーグル工業株式会社 | リップタイプシール |
US9163731B2 (en) | 2008-05-15 | 2015-10-20 | Eagle Industry Co., Ltd. | Lip type seal |
JP5216084B2 (ja) * | 2008-05-15 | 2013-06-19 | イーグル工業株式会社 | リップタイプシール |
US8256772B2 (en) | 2008-11-27 | 2012-09-04 | Eagle Industry Co., Ltd. | Lip type seal |
KR20120049861A (ko) | 2009-09-09 | 2012-05-17 | 이글 고우교 가부시기가이샤 | 립 타입 시일 |
US8851480B2 (en) | 2009-09-09 | 2014-10-07 | Eagle Industry Co., Ltd. | Lip type seal |
WO2011030585A1 (ja) | 2009-09-09 | 2011-03-17 | イーグル工業株式会社 | リップタイプシール |
CN102200208A (zh) * | 2010-03-24 | 2011-09-28 | 仓敷化工株式会社 | 挠性接头 |
JP2014052001A (ja) * | 2012-09-05 | 2014-03-20 | Koyo Sealing Techno Co Ltd | 密封装置の取付構造、及び密封装置 |
JP2014228122A (ja) * | 2013-05-27 | 2014-12-08 | Nok株式会社 | 密封装置 |
JP2016047574A (ja) * | 2014-08-27 | 2016-04-07 | 株式会社マキタ | 作業工具 |
Also Published As
Publication number | Publication date |
---|---|
EP1598579A1 (en) | 2005-11-23 |
JPWO2004076894A1 (ja) | 2006-06-08 |
US7344140B2 (en) | 2008-03-18 |
EP1598579B1 (en) | 2008-05-14 |
DE602004013730D1 (de) | 2008-06-26 |
KR101051110B1 (ko) | 2011-07-22 |
US20060290069A1 (en) | 2006-12-28 |
CN1751195A (zh) | 2006-03-22 |
EP1598579A4 (en) | 2006-05-17 |
KR20050103469A (ko) | 2005-10-31 |
JP4634299B2 (ja) | 2011-02-16 |
CN100392293C (zh) | 2008-06-04 |
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