KR20210148276A - 밀봉 장치 - Google Patents

밀봉 장치 Download PDF

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Publication number
KR20210148276A
KR20210148276A KR1020217035724A KR20217035724A KR20210148276A KR 20210148276 A KR20210148276 A KR 20210148276A KR 1020217035724 A KR1020217035724 A KR 1020217035724A KR 20217035724 A KR20217035724 A KR 20217035724A KR 20210148276 A KR20210148276 A KR 20210148276A
Authority
KR
South Korea
Prior art keywords
sealing ring
ring
axial direction
inner sealing
sealing device
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
Application number
KR1020217035724A
Other languages
English (en)
Korean (ko)
Inventor
히토시 오카베
토루 아라키
Original Assignee
엔오케이 가부시키가이샤
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 엔오케이 가부시키가이샤 filed Critical 엔오케이 가부시키가이샤
Publication of KR20210148276A publication Critical patent/KR20210148276A/ko
Ceased legal-status Critical Current

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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
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • 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
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1447—Pistons; Piston to piston rod assemblies
    • F15B15/1452—Piston sealings
    • 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
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/24—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings with radially or tangentially compressed packing
    • 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
    • F16J15/56—Other sealings for reciprocating rods

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sealing Devices (AREA)
KR1020217035724A 2019-05-27 2020-04-24 밀봉 장치 Ceased KR20210148276A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019098234 2019-05-27
JPJP-P-2019-098234 2019-05-27
PCT/JP2020/017589 WO2020241135A1 (ja) 2019-05-27 2020-04-24 密封装置

Publications (1)

Publication Number Publication Date
KR20210148276A true KR20210148276A (ko) 2021-12-07

Family

ID=73554046

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217035724A Ceased KR20210148276A (ko) 2019-05-27 2020-04-24 밀봉 장치

Country Status (6)

Country Link
US (1) US20220205537A1 (https=)
EP (1) EP3978786A4 (https=)
JP (1) JPWO2020241135A1 (https=)
KR (1) KR20210148276A (https=)
CN (1) CN113874642A (https=)
WO (1) WO2020241135A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4673672A1 (en) * 2023-03-01 2026-01-07 A.W. Chesterton Company Anti-rotational cap seal
FR3163985A1 (fr) * 2024-06-28 2026-01-02 Compagnie Generale Des Etablissements Michelin Joint d’étanchéité de piston à la géométrie optimisée
FR3163986A1 (fr) * 2024-06-28 2026-01-02 Compagnie Generale Des Etablissements Michelin Joint d’étanchéité de tige à la géométrie optimisée

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6371570B2 (ja) 2014-02-25 2018-08-08 Nok株式会社 密封装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2784013A (en) * 1953-12-21 1957-03-05 Bendix Aviat Corp Hydraulic seal
US2968501A (en) * 1957-04-18 1961-01-17 A P D Co Fluid seal
GB1074756A (en) * 1965-06-24 1967-07-05 Minnesota Rubber Co Sealing device between relatively movable surfaces
US4101140A (en) * 1972-03-23 1978-07-18 Tetrafluor, Inc. Peripherally grooved seal
GB1550293A (en) * 1976-11-22 1979-08-08 Caterpillar Tractor Co Shaft seal
JPS5959573U (ja) * 1982-10-13 1984-04-18 三菱電線工業株式会社 シ−ル装置
US4889351A (en) * 1988-05-12 1989-12-26 Frost Stanley A Hydraulic seal
US5092610A (en) * 1990-11-15 1992-03-03 Itt Corporation High pressure piston seal
DE19925083A1 (de) * 1999-06-01 2000-12-14 Festo Ag & Co Kolben für einen Arbeitszylinder und Verfahren zu seiner Herstellung
JP2005221028A (ja) * 2004-02-06 2005-08-18 Nok Corp 密封装置
JP5177391B2 (ja) * 2008-03-10 2013-04-03 いすゞ自動車株式会社 ピストンシール構造
JP5226765B2 (ja) * 2010-01-18 2013-07-03 三菱電線工業株式会社 密封構造
US10215283B2 (en) * 2014-12-12 2019-02-26 Nok Corporation Sealing device
JP2018179141A (ja) * 2017-04-13 2018-11-15 Nok株式会社 密封装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6371570B2 (ja) 2014-02-25 2018-08-08 Nok株式会社 密封装置

Also Published As

Publication number Publication date
WO2020241135A1 (ja) 2020-12-03
EP3978786A4 (en) 2022-06-22
CN113874642A (zh) 2021-12-31
JPWO2020241135A1 (https=) 2020-12-03
EP3978786A1 (en) 2022-04-06
US20220205537A1 (en) 2022-06-30

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