WO2016076247A1 - 密封装置 - Google Patents
密封装置 Download PDFInfo
- Publication number
- WO2016076247A1 WO2016076247A1 PCT/JP2015/081426 JP2015081426W WO2016076247A1 WO 2016076247 A1 WO2016076247 A1 WO 2016076247A1 JP 2015081426 W JP2015081426 W JP 2015081426W WO 2016076247 A1 WO2016076247 A1 WO 2016076247A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- metal ring
- elastic body
- annular elastic
- seal
- ring
- 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
Images
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
- F16J15/002—Sealings comprising at least two sealings in succession
-
- 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
-
- 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
- F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
- F16J15/3212—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings with metal springs
-
- 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
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
-
- 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
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/36—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member connected by a diaphragm or bellow to the other member
Definitions
- the present invention relates to a sealing device that seals portions that are easily exposed to muddy water from outside the machine, such as a vehicle transfer device, a transmission, and a differential gear.
- a sealing device 101 as shown in FIG. 3 is known as a sealing device that seals the shaft circumference of a portion that is easily exposed to muddy water from the outside of the machine.
- the sealing device 101 includes a seal member 131 attached to a metal ring 111, and a main lip 132, a side lip 133, and an outer peripheral seal portion 134 are formed on the seal member 131.
- the seal member 131 is a sleeve in which an outer peripheral seal portion 134 formed on the outer diameter side of the metal ring 111 is press-fitted into the inner peripheral surface of the housing 142 and the main lip 132 is mounted on the outer periphery of the rotating shaft 143.
- the oil on the machine B side is sealed by slidably contacting the outer peripheral surface of 144, and the side lip 133 is slidably brought into close contact with the dust cover 141 fixed to the outer periphery of the sleeve 144.
- Intrusion of muddy water and the like from A is prevented, and as a result, deterioration of the sealing performance due to biting of muddy water and the like into the main lip 132 is prevented.
- the side lip 133 is made of a rubber-like elastic material (rubber material or synthetic resin material having rubber-like elasticity), stress relaxation occurs due to deterioration over time, and the tightening margin for the dust cover 141 is reduced. In some cases, the sealing performance against the muddy water and the like may deteriorate.
- the dust cover 141 is incorporated with a deviation from the normal position toward the inboard B side, the abdomen 133b of the side lip 133 is pressed against the dust cover 141, so that the tip end part 133a is easily lifted and sealability against muddy water or the like. There was a risk of lowering.
- the present invention has been made in view of the above points, and the technical problem thereof is a sealing device that seals a shaft circumference and the like that is easily exposed to muddy water, etc. It is to provide.
- the sealing device according to the invention of claim 1 is slidable on an outer peripheral surface of a rotating body that is joined to the metal ring and is inserted into the inner periphery of the housing.
- a main lip that is in close contact; an annular elastic body that is outside the main lip and is joined to the metal ring and is capable of expanding and contracting in the axial direction; and provided at an end of the annular elastic body opposite to the metal ring.
- a sliding ring that is slidably in close contact with a seal flange attached to the outer periphery of the rotating body, and an urging means that elastically presses the sliding ring against the seal flange.
- the sliding ring provided at the end of the annular elastic body is pressed by the urging means and is slidably brought into close contact with the seal flange, thereby sealing muddy water from the outside.
- the axial followability of the sliding ring with respect to the flange is enhanced, so that it is possible to effectively prevent the muddy water or the like from the outside from being caught in the main lip and the sealing performance of the main lip being impaired.
- the sealing device according to claim 2 of the present invention is the sealing device according to claim 1, wherein the sliding ring has a sealing surface that is slidably in contact with the sealing flange between the flat surfaces.
- the sealing device according to claim 3 of the present invention is characterized in that, in the sealing device according to claim 1 or 2, the annular elastic body is formed in a bellows shape.
- the annular elastic body is formed in a bellows shape, the degree of freedom of expansion and contraction is increased, so that the axial followability of the sliding ring with respect to the seal flange can be further enhanced.
- the sealing device of the present invention by providing a structure in which the sliding ring is slidably in close contact with the seal flange by the biasing means, it is possible to prevent intrusion of muddy water and the like from the outside over a long period of time, and to achieve a stable seal Sex can be maintained.
- FIG. 1 is a half sectional view showing a first embodiment of a sealing device according to the present invention by cutting along a plane passing through an axis.
- FIG. 6 is a half sectional view showing a second embodiment of the sealing device according to the present invention by cutting along a plane passing through an axis. It is a half sectional view which cuts and shows an example of the sealing device concerning a prior art by the plane which passes along an axis.
- the sealing device of the present invention will be described with reference to the drawings.
- the reference symbol A is called the outside of the machine on the side exposed to muddy water or the like
- the reference symbol B is called the inside of the machine on the side where the oil to be sealed is present.
- FIG. 1 shows a first embodiment of a sealing device according to the present invention.
- the sealing device 1 is interposed between a housing 42 and a rotary shaft 43 inserted through the inner periphery of the housing 42, and includes a first metal ring 11 that is hermetically fixed to the housing 42.
- the first metal ring 11 is fitted to the first metal ring 11 with a main body portion 21 made of a rubber-like elastic material (rubber material or synthetic resin material having rubber-like elasticity) joined to the first metal ring 11 by vulcanization adhesion or the like.
- rubber-like elastic material rubber material or synthetic resin material having rubber-like elasticity
- a biasing means 61 for elastically pressing the flange 41b is provided. .
- the first metal ring 11 and the second metal ring 12 correspond to the metal ring described in claim 1.
- the first metal ring 11 is manufactured, for example, by punching and pressing a metal plate.
- the first metal ring 11 is a press-fit cylinder part 11a that is press-fitted to the inner peripheral surface 42b of the housing 42, and the in-machine of the press-fit cylinder part 11a.
- An outer peripheral seal holding portion 11b extending from the end on the B side so as to gradually become smaller in diameter toward the in-machine B side, a spring support portion 11c extending from the end on the in-machine B side of the outer peripheral seal holding portion 11b to the inner diameter side, and a spring An inner peripheral cylinder portion 11d that is folded back and extends from the end on the inner diameter side of the support portion 11c toward the side opposite to the in-machine B, and an inner diameter that is bent from the end of the inner peripheral cylinder portion 11d opposite to the in-machine B to the inner diameter side.
- the main body portion 21 is provided on the outer periphery of the outer peripheral seal holding portion 11b of the first metal ring 11, and has an outer peripheral seal portion 21a closely contacted with an inner peripheral surface 42b of the housing 42 with an appropriate crushing margin, and a spring support portion 11c.
- a main lip 21c slidably in contact with the outer peripheral surface 43a, and a slidably intimately slidable contact with the outer peripheral surface 43a of the rotating shaft 43 extending from the inner diameter end of the coating layer 21b to the opposite side of the main lip 21c.
- a strip 21d is provided.
- the main lip 21c is provided with a garter spring 21e for compensating for the tight force on the outer peripheral surface 43a of the rotating shaft 43.
- the second metal ring 12 is manufactured, for example, by punching and pressing a metal plate, and the inner peripheral surface of the outer peripheral cylindrical portion 11g of the first metal ring 11
- the outer peripheral cylindrical portion 12a press-fitted to the outer peripheral cylindrical portion 12a and the flange portion 12b extending from the end of the outer peripheral cylindrical portion 12a on the housing 42 side toward the inner diameter side and in close contact with the outer diameter flange portion 11f of the first metal ring 11
- a tapered portion 12c extending in an inclined direction away from the outer diameter flange portion 11f of the first metal ring 11 from the inner diameter end portion of the flange portion 12b.
- the annular elastic body 31 is made of a rubber-like elastic material.
- the annular elastic body 31 is attached to the tapered portion 12c of the second metal ring 12 by vulcanization adhesion or the like, and the inner diameter side of the attached portion 31a.
- a substantially cylindrical flexible portion 31b that extends in the axial direction from the end toward the opposite side of the second metal ring 12 and can be expanded and contracted in the axial direction, and is formed at the end of the flexible portion 31b
- Spring receiving portion 31c has a substantially U-shaped cross section cut by a plane passing through the axis of the rotating shaft 43, that is, has a radial portion 311 and axial portions 312 and 313 on both inner and outer circumferences.
- the axial portion 312 on the outer peripheral side is continuous with the flexible portion 31b.
- the sliding ring 51 is integrally joined to the spring receiving portion 31c of the annular elastic body 31 by bonding or the like, and a cross-sectional shape cut along a plane passing through the shaft center exhibits a substantially U-shape corresponding to the spring receiving portion 31c. It consists of PTFE (polytetrafluoroethylene) having a low friction coefficient and excellent heat resistance.
- the sliding ring 51 has a seal surface 51 a that is in close contact with the dust cover 41 so as to be slidable on planes orthogonal to the axis of the rotation shaft 43.
- the dust cover 41 is made of metal, and an inner diameter portion 41a is fitted and integrated with the outer peripheral surface 43a of the rotating shaft 43, and the seal flange 41b is in close contact with the seal surface 51a of the sliding ring 51 between the flat surfaces.
- the seal flange 41b is developed in a plane perpendicular to the axis of the rotary shaft 43 and rotates integrally with the rotary shaft 43.
- the biasing means 61 is disposed concentrically with the first metal ring 11 while being compressed in the axial direction between the spring support portion 11 c of the first metal ring 11 and the spring receiving portion 31 c of the annular elastic body 31.
- the sliding ring 51 is elastically biased in the axial direction via the spring receiving portion 31c of the annular elastic body 31, and the sealing surface 51a of the sliding ring 51 is composed of a single compression coil spring. Is brought into close contact with the seal flange 41b of the dust cover 41 with an appropriate surface pressure.
- the outer peripheral seal portion 21a of the main body portion 21 leaks oil existing in the machine B to the outside A between the housing 42 and the first metal ring 11.
- the main lip 21c in the main body portion 21 is slidably brought into close contact with the outer peripheral surface 43a of the rotary shaft 43, so that oil existing in the machine B leaks outside through the shaft periphery. It is to prevent.
- the sliding ring 51 integrally joined to the spring receiving portion 31c at the tip of the annular elastic body 31 has a sealing surface 51a that is slidably in close contact with the sealing flange 41b of the dust cover 41.
- the sliding ring 51 is made of PTFE having a low friction coefficient, the sliding torque and the sliding load can be kept low despite the large sliding area.
- the sliding ring 51 is attached to a spring receiving portion 31c at the tip of the annular elastic body 31 that can be expanded and contracted in the axial direction, and is elastically biased in the axial direction by a biasing means 61 that is a compression coil spring. Therefore, the axial followability of the sliding ring 51 with respect to the axial displacement of the dust cover 41 can be improved.
- the seal surface 51a follows the seal flange 41b and maintains a good close state to prevent the intrusion of muddy water and the like outside the machine A, and effectively reduces the sealing performance due to the muddy water and the like entering the main lip 21c. Can be prevented.
- FIG. 2 shows a second embodiment of the sealing device according to the present invention.
- the sealing device 1 of the second embodiment is characterized in that the flexible portion 31b of the annular elastic body 31 is formed in a bellows shape, and the other portions are basically the first described above. It is comprised similarly to embodiment of this.
- the flexible portion 31 b of the annular elastic body 31 is opposite to the large-diameter cylindrical portion 314 on the adherent portion 31 a side that is adhered to the second metal ring 12 and the adherent portion 31 a in the large-diameter cylindrical portion 314.
- An intermediate portion 315 extending so as to be folded back from the end on the inner side toward the inner diameter side and the outer diameter flange portion 11f side of the first metal ring 11, and further from the intermediate portion 315 on the inner diameter side and opposite to the outer diameter flange portion 11f
- a small-diameter cylindrical portion 316 that extends in the axial direction so as to be folded back toward the side and is continuous with the spring receiving portion 31c, that is, a cross-sectional shape cut along a plane passing through the axial center exhibits a substantially S-shaped meandering shape. .
- the second metal ring 12 includes an outer peripheral cylindrical portion 12a that is press-fitted to the inner peripheral surface of the outer peripheral cylindrical portion 11g of the first metal ring 11, and an end portion on the housing 42 side of the outer peripheral cylindrical portion 12a.
- the flange portion 12b extends from the inner diameter side to the outer diameter flange portion 11f of the first metal ring 11 and is in close contact with the outer diameter flange portion 11f.
- the attached portion 31 a of 31 is attached to the inner diameter end of the flange portion 12 b of the second metal ring 12.
- the flexible portion 31b of the annular elastic body 31 is formed in a bellows shape, the degree of freedom of expansion and contraction in the axial direction is increased. Therefore, the axial followability of the sliding ring 51 with respect to the axial assembly error, axial displacement, etc. of the dust cover 41 can be further improved, and a good close state between the seal surface 51a and the seal flange 41b can be maintained. .
- the sealing device detailed above can be variously modified without departing from the gist of the invention. That is, in the illustrated embodiment, the urging means 61 is composed of one compression coil spring. However, for example, a plurality of compression coil springs may be arranged at predetermined intervals in the circumferential direction.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Mechanical Sealing (AREA)
Abstract
Description
すなわち請求項1の発明に係る密封装置は、ハウジングに密封的に固定される金属環と、前記金属環に接合され、前記ハウジングの内周に挿通された回転体の外周面に摺動可能に密接されるメインリップと、前記メインリップの外側にあって前記金属環に接合され軸方向に対して伸縮可能な環状弾性体と、前記環状弾性体における前記金属環と反対側の端部に設けられ、前記回転体の外周に取り付けられたシールフランジに摺動可能に密接される摺動リングと、前記摺動リングを前記シールフランジへ弾性的に押圧する付勢手段と、を備えることを特徴とする。
11 第1の金属環
12 第2の金属環
21c メインリップ
31 環状弾性体
41 ダストカバー
41b シールフランジ
42 ハウジング
43 回転軸
51 摺動リング
51a シール面
61 付勢手段
Claims (3)
- ハウジングに密封的に固定される金属環と、前記金属環に接合され、前記ハウジングの内周に挿通された回転体の外周面に摺動可能に密接されるメインリップと、前記メインリップの外側にあって前記金属環に接合され軸方向に対して伸縮可能な環状弾性体と、前記環状弾性体における前記金属環と反対側の端部に設けられ、前記回転体の外周に取り付けられたシールフランジに摺動可能に密接される摺動リングと、前記摺動リングを前記シールフランジへ弾性的に押圧する付勢手段と、を備えることを特徴とする密封装置。
- 摺動リングが、シールフランジと平面同士で摺動可能に密接するシール面を有することを特徴とする請求項1に記載の密封装置。
- 環状弾性体がベローズ状に形成されたことを特徴とする請求項1又は2に記載の密封装置。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201580054118.5A CN107110371B (zh) | 2014-11-11 | 2015-11-09 | 密封装置 |
| US15/523,608 US10428947B2 (en) | 2014-11-11 | 2015-11-09 | Sealing device |
| JP2016559030A JP6405389B2 (ja) | 2014-11-11 | 2015-11-09 | 密封装置 |
| EP15858567.9A EP3220020B1 (en) | 2014-11-11 | 2015-11-09 | Seal device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014228768 | 2014-11-11 | ||
| JP2014-228768 | 2014-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016076247A1 true WO2016076247A1 (ja) | 2016-05-19 |
Family
ID=55954333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2015/081426 Ceased WO2016076247A1 (ja) | 2014-11-11 | 2015-11-09 | 密封装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10428947B2 (ja) |
| EP (1) | EP3220020B1 (ja) |
| JP (1) | JP6405389B2 (ja) |
| CN (1) | CN107110371B (ja) |
| WO (1) | WO2016076247A1 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108602110B (zh) * | 2016-02-18 | 2019-11-05 | Nok株式会社 | 密封装置的弹簧构件的制造方法 |
| DE102017212501A1 (de) * | 2017-07-20 | 2019-01-24 | Robert Bosch Gmbh | Kolbenpumpe, insbesondere Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine |
| US20190301612A1 (en) * | 2018-03-30 | 2019-10-03 | GM Global Technology Operations LLC | Vented lip seal |
| US20220216763A1 (en) * | 2021-01-05 | 2022-07-07 | Fairway Electronic Co., Ltd. | Rotating Machine |
| CN114526174B (zh) * | 2022-04-24 | 2022-07-26 | 中国航发四川燃气涡轮研究院 | 一种用于喷管调节板与侧壁间的弹性金属密封结构 |
Citations (3)
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|---|---|---|---|---|
| JPH09144536A (ja) * | 1995-11-27 | 1997-06-03 | Toyota Motor Corp | ウォータポンプのシール装置 |
| JP2009103142A (ja) * | 2007-10-19 | 2009-05-14 | Toyota Motor Corp | シール装置 |
| JP2013130296A (ja) * | 2008-04-25 | 2013-07-04 | Nok Corp | 密封装置 |
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| US1300747A (en) * | 1915-07-06 | 1919-04-15 | John Uri Lloyd | Process of extracting, purifying, or excluding alkaloids and alkaloidal salts. |
| US1505321A (en) * | 1921-09-10 | 1924-08-19 | James H Dennedy | Packing for shafts |
| US2267994A (en) * | 1939-09-14 | 1941-12-30 | Noel S Reynolds | Seal |
| US2259422A (en) * | 1939-12-07 | 1941-10-14 | Chicago Seal Company | Shaft seal |
| US2316059A (en) * | 1941-06-19 | 1943-04-06 | Nathan F Fretter | Sealing means |
| US2432694A (en) * | 1944-11-09 | 1947-12-16 | Crane Packing Co | Fluid seal |
| US2521137A (en) * | 1946-01-26 | 1950-09-05 | Chicago Rawhide Mfg Co | Seal |
| US2586739A (en) * | 1947-06-23 | 1952-02-19 | Linear Inc | Gas seal |
| US2866656A (en) * | 1953-04-29 | 1958-12-30 | Internat Engineering General R | Mechanical seal between rotary and coaxial mechanical members |
| US2930644A (en) * | 1957-12-16 | 1960-03-29 | Victor Mfg & Gasket Co | Face type sealing device |
| US3059936A (en) * | 1958-03-10 | 1962-10-23 | Victor Mfg & Gasket Co | Sealing device |
| US3189357A (en) * | 1962-06-22 | 1965-06-15 | Borg Warner | Annular seal with keyed sealing ring |
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| JP2010025138A (ja) * | 2008-07-15 | 2010-02-04 | Nok Corp | 密封装置 |
| JP2010255733A (ja) * | 2009-04-24 | 2010-11-11 | Toyota Motor Corp | シール構造および動力伝達装置 |
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| DE102009049093A1 (de) * | 2009-10-01 | 2011-04-07 | Kaco Gmbh + Co. Kg | Gleitringdichtung |
-
2015
- 2015-11-09 EP EP15858567.9A patent/EP3220020B1/en active Active
- 2015-11-09 CN CN201580054118.5A patent/CN107110371B/zh not_active Expired - Fee Related
- 2015-11-09 JP JP2016559030A patent/JP6405389B2/ja active Active
- 2015-11-09 WO PCT/JP2015/081426 patent/WO2016076247A1/ja not_active Ceased
- 2015-11-09 US US15/523,608 patent/US10428947B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09144536A (ja) * | 1995-11-27 | 1997-06-03 | Toyota Motor Corp | ウォータポンプのシール装置 |
| JP2009103142A (ja) * | 2007-10-19 | 2009-05-14 | Toyota Motor Corp | シール装置 |
| JP2013130296A (ja) * | 2008-04-25 | 2013-07-04 | Nok Corp | 密封装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107110371A (zh) | 2017-08-29 |
| EP3220020A1 (en) | 2017-09-20 |
| EP3220020A4 (en) | 2018-01-10 |
| EP3220020B1 (en) | 2020-01-08 |
| US20170314681A1 (en) | 2017-11-02 |
| JP6405389B2 (ja) | 2018-10-17 |
| JPWO2016076247A1 (ja) | 2017-08-17 |
| US10428947B2 (en) | 2019-10-01 |
| CN107110371B (zh) | 2019-03-05 |
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