FR2456888A1 - Dispositif d'etancheite a effet hydrodynamique - Google Patents

Dispositif d'etancheite a effet hydrodynamique

Info

Publication number
FR2456888A1
FR2456888A1 FR7912163A FR7912163A FR2456888A1 FR 2456888 A1 FR2456888 A1 FR 2456888A1 FR 7912163 A FR7912163 A FR 7912163A FR 7912163 A FR7912163 A FR 7912163A FR 2456888 A1 FR2456888 A1 FR 2456888A1
Authority
FR
France
Prior art keywords
knife edge
shaft seal
inner leg
edge
shaped grooves
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.)
Granted
Application number
FR7912163A
Other languages
English (en)
French (fr)
Other versions
FR2456888B1 (enExample
Inventor
Michel Saxod
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procal SA
Original Assignee
Procal SA
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 Procal SA filed Critical Procal SA
Priority to FR7912163A priority Critical patent/FR2456888A1/fr
Publication of FR2456888A1 publication Critical patent/FR2456888A1/fr
Application granted granted Critical
Publication of FR2456888B1 publication Critical patent/FR2456888B1/fr
Granted legal-status Critical Current

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
    • F16J15/324—Arrangements for lubrication or cooling of the sealing itself
    • 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
    • F16J15/3244—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with hydrodynamic pumping action

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sealing Devices (AREA)
FR7912163A 1979-05-14 1979-05-14 Dispositif d'etancheite a effet hydrodynamique Granted FR2456888A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7912163A FR2456888A1 (fr) 1979-05-14 1979-05-14 Dispositif d'etancheite a effet hydrodynamique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7912163A FR2456888A1 (fr) 1979-05-14 1979-05-14 Dispositif d'etancheite a effet hydrodynamique

Publications (2)

Publication Number Publication Date
FR2456888A1 true FR2456888A1 (fr) 1980-12-12
FR2456888B1 FR2456888B1 (enExample) 1982-02-19

Family

ID=9225419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7912163A Granted FR2456888A1 (fr) 1979-05-14 1979-05-14 Dispositif d'etancheite a effet hydrodynamique

Country Status (1)

Country Link
FR (1) FR2456888A1 (enExample)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033963A3 (en) * 1980-02-07 1981-09-02 Firma Carl Freudenberg Radial shaft sealing ring
EP0140421A1 (en) * 1983-10-05 1985-05-08 SKF Industrial Trading & Development Co, B.V. Sealing ring for a rotary shaft
US4531747A (en) * 1982-11-01 1985-07-30 Nippon Oil Seal Industry Co., Ltd. Extended wear annular oil seal
US4667968A (en) * 1984-02-10 1987-05-26 Federal-Mogul Corporation Dual-lip grease-retaining and dirt-excluding shaft seal
EP0939257A3 (en) * 1998-02-27 2000-05-31 NOK Corporation Oil seal
JP2007285428A (ja) * 2006-04-18 2007-11-01 Nok Corp オイルシール
JP2009127659A (ja) * 2007-11-20 2009-06-11 Jtekt Corp 密封装置
JP2009127661A (ja) * 2007-11-20 2009-06-11 Jtekt Corp 密封装置
EP2088353A1 (en) * 2008-02-08 2009-08-12 Carl Freudenberg KG Oil seal
EP2151612A4 (en) * 2007-04-11 2014-08-20 Nok Corp OIL SEAL
WO2020110623A1 (ja) * 2018-11-29 2020-06-04 Nok株式会社 密封装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501155A (en) * 1967-05-22 1970-03-17 Gen Motors Corp Bi-directional seal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501155A (en) * 1967-05-22 1970-03-17 Gen Motors Corp Bi-directional seal

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033963A3 (en) * 1980-02-07 1981-09-02 Firma Carl Freudenberg Radial shaft sealing ring
US4531747A (en) * 1982-11-01 1985-07-30 Nippon Oil Seal Industry Co., Ltd. Extended wear annular oil seal
EP0140421A1 (en) * 1983-10-05 1985-05-08 SKF Industrial Trading & Development Co, B.V. Sealing ring for a rotary shaft
US4667968A (en) * 1984-02-10 1987-05-26 Federal-Mogul Corporation Dual-lip grease-retaining and dirt-excluding shaft seal
EP0939257A3 (en) * 1998-02-27 2000-05-31 NOK Corporation Oil seal
JP2007285428A (ja) * 2006-04-18 2007-11-01 Nok Corp オイルシール
EP2151612A4 (en) * 2007-04-11 2014-08-20 Nok Corp OIL SEAL
JP2009127659A (ja) * 2007-11-20 2009-06-11 Jtekt Corp 密封装置
JP2009127661A (ja) * 2007-11-20 2009-06-11 Jtekt Corp 密封装置
EP2088353A1 (en) * 2008-02-08 2009-08-12 Carl Freudenberg KG Oil seal
JP2009185968A (ja) * 2008-02-08 2009-08-20 Nok Corp オイルシール
WO2020110623A1 (ja) * 2018-11-29 2020-06-04 Nok株式会社 密封装置
US11920636B2 (en) 2018-11-29 2024-03-05 Nok Corporation Sealing device

Also Published As

Publication number Publication date
FR2456888B1 (enExample) 1982-02-19

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Legal Events

Date Code Title Description
ST Notification of lapse