IT980339B - Dispositivo meccanico rotativo di tenuta del tipo ad interspazio - Google Patents

Dispositivo meccanico rotativo di tenuta del tipo ad interspazio

Info

Publication number
IT980339B
IT980339B IT49641/73A IT4964173A IT980339B IT 980339 B IT980339 B IT 980339B IT 49641/73 A IT49641/73 A IT 49641/73A IT 4964173 A IT4964173 A IT 4964173A IT 980339 B IT980339 B IT 980339B
Authority
IT
Italy
Prior art keywords
interspace
type
sealing device
mechanical sealing
rotary mechanical
Prior art date
Application number
IT49641/73A
Other languages
English (en)
Original Assignee
Crane Packing Co
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 Crane Packing Co filed Critical Crane Packing Co
Application granted granted Critical
Publication of IT980339B publication Critical patent/IT980339B/it

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
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
    • F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
    • F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • F16C33/741—Sealings of sliding-contact bearings by means of a fluid
    • 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
    • F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
    • F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
    • F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities
    • F16J15/342—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities with means for feeding fluid directly to the face
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/91—O-ring seal

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Sealing (AREA)
IT49641/73A 1972-04-24 1973-04-24 Dispositivo meccanico rotativo di tenuta del tipo ad interspazio IT980339B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00246823A US3804424A (en) 1972-04-24 1972-04-24 Gap seal with thermal and pressure distortion compensation

Publications (1)

Publication Number Publication Date
IT980339B true IT980339B (it) 1974-09-30

Family

ID=22932374

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49641/73A IT980339B (it) 1972-04-24 1973-04-24 Dispositivo meccanico rotativo di tenuta del tipo ad interspazio

Country Status (3)

Country Link
US (1) US3804424A (it)
GB (1) GB1378259A (it)
IT (1) IT980339B (it)

Families Citing this family (120)

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US4212475A (en) * 1979-01-15 1980-07-15 Crane Packing Co. Self aligning spiral groove face seal
US4174843A (en) * 1978-06-08 1979-11-20 The United States Of America As Represented By The Secretary Of The Navy Self-adjusting tandem seal
US4417859A (en) * 1979-10-04 1983-11-29 Praner Frank Casimir Rotary displacement turbine engine with vacuum relief valve means
FR2511109A1 (fr) * 1981-08-06 1983-02-11 Jeumont Schneider Dispositif hydrostatique de separation de deux chambres emplies de fluide sous des pressions differentes
US4491331A (en) * 1981-12-23 1985-01-01 Hughes Tool Company Grooved mechanical face seal
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DE3223703C2 (de) * 1982-06-25 1984-05-30 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Gasgesperrte Wellendichtung mit radialem Dichtspalt
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JP5314255B2 (ja) * 2007-06-06 2013-10-16 三菱重工業株式会社 回転流体機械のシール装置および回転流体機械
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US10563509B2 (en) * 2012-04-04 2020-02-18 Dimitrios Dardalis Method and apparatus for rotating sleeve engine hydrodynamic seal
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US9599228B2 (en) * 2013-05-06 2017-03-21 Louisiana State University and Agricultural & Mechanical College Cooled seal
CN103267132B (zh) * 2013-05-28 2015-08-05 南京林业大学 自泵送流体动压型机械密封
WO2015031474A1 (en) 2013-08-27 2015-03-05 Eaton Corporation Seal ring composite for improved hydrodynamic seal performance
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US10830078B2 (en) * 2018-09-14 2020-11-10 Raytheon Technologies Corporation Shaft seal assembly for a turbine engine
KR102565526B1 (ko) 2018-10-01 2023-08-10 이구루코교 가부시기가이샤 슬라이딩 부재
EP3872375A4 (en) 2018-10-24 2022-07-06 Eagle Industry Co., Ltd. SLIDING ELEMENT
EP4198353B1 (en) 2018-11-30 2025-03-12 Eagle Industry Co., Ltd. Sliding component
CN113167390B (zh) 2018-12-21 2024-06-11 伊格尔工业股份有限公司 滑动部件
US12049962B2 (en) 2019-02-04 2024-07-30 Eagle Industry Co., Ltd. Sliding component
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US11767916B2 (en) 2019-02-14 2023-09-26 Eagle Industry Co., Ltd. Sliding components
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US10975723B2 (en) * 2019-02-26 2021-04-13 Raytheon Technologies Corporation Gas turbine engine including seal plate providing increased cooling adjacent contact area
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US3675935A (en) * 1970-07-13 1972-07-11 Nasa Spiral groove seal

Also Published As

Publication number Publication date
US3804424A (en) 1974-04-16
DE2320681A1 (de) 1973-11-08
GB1378259A (en) 1974-12-27
DE2320681B2 (de) 1977-04-28

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