IT8523073A0 - Dispositivo di tenuta rotante con mezzi idrodinamici a passo variabile. - Google Patents

Dispositivo di tenuta rotante con mezzi idrodinamici a passo variabile.

Info

Publication number
IT8523073A0
IT8523073A0 IT8523073A IT2307385A IT8523073A0 IT 8523073 A0 IT8523073 A0 IT 8523073A0 IT 8523073 A IT8523073 A IT 8523073A IT 2307385 A IT2307385 A IT 2307385A IT 8523073 A0 IT8523073 A0 IT 8523073A0
Authority
IT
Italy
Prior art keywords
sealing device
variable pitch
rotary sealing
hydrodynamic means
hydrodynamic
Prior art date
Application number
IT8523073A
Other languages
English (en)
Other versions
IT1186139B (it
Inventor
Alan Gregory Fern
Original Assignee
Aeroquip Ltd
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 Aeroquip Ltd filed Critical Aeroquip Ltd
Publication of IT8523073A0 publication Critical patent/IT8523073A0/it
Application granted granted Critical
Publication of IT1186139B publication Critical patent/IT1186139B/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
    • F16J15/32—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/04—PTFE [PolyTetraFluorEthylene]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Sealing Devices (AREA)
  • Mechanical Sealing (AREA)
IT23073/85A 1984-12-03 1985-12-03 Dispositivo di tenuta rotante con mezzi idrodinamici a passo variabile IT1186139B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08430448A GB2167817B (en) 1984-12-03 1984-12-03 Rotary seal with variable pitch hydrothread

Publications (2)

Publication Number Publication Date
IT8523073A0 true IT8523073A0 (it) 1985-12-03
IT1186139B IT1186139B (it) 1987-11-18

Family

ID=10570607

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23073/85A IT1186139B (it) 1984-12-03 1985-12-03 Dispositivo di tenuta rotante con mezzi idrodinamici a passo variabile

Country Status (5)

Country Link
DE (1) DE3542498C2 (it)
ES (1) ES296364Y (it)
FR (1) FR2574148B1 (it)
GB (1) GB2167817B (it)
IT (1) IT1186139B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4739998A (en) * 1986-11-21 1988-04-26 Federal-Mogul Corporation Bidirectional seal with elliptical sealing barriers
DE4307964C2 (de) * 1993-03-12 1996-02-01 Bruss Dichtungstechnik Radial-Wellendichtring
DE19501724C1 (de) * 1995-01-20 1996-10-10 Bruss Dichtungstechnik Wellendichtring sowie Verfahren und Vorrichtung zu seiner Herstellung
US6705617B2 (en) * 2001-11-28 2004-03-16 Federal-Mogul World Wide, Inc. Hydrodynamic seal and method of making the same
DE10353306A1 (de) * 2002-11-11 2004-05-27 Kaco Gmbh + Co. Kg Dichtring
DE10309907B4 (de) * 2003-03-07 2007-02-01 Carl Freudenberg Kg Dichtring
CN104653784A (zh) * 2015-01-26 2015-05-27 广州机械科学研究院有限公司 一种高速油封结构

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB492954A (en) * 1937-02-08 1938-09-29 Siemens Ag Improvements in or relating to shaft packings for the casings of electrical machinesor apparatus
FR1505487A (fr) * 1966-10-28 1967-12-15 Guinard Pompes Perfectionnement aux joints tournants à régulation de fuite
US4118856A (en) * 1974-12-02 1978-10-10 Garlock Inc Bi-directional hydrodynamic shaft seal method
US4132421A (en) * 1975-02-14 1979-01-02 Federal-Mogul Corporation Shaft seal
GB2105797B (en) * 1981-09-11 1986-01-02 Aerequip Rotary shaft seal
DE3316063C2 (de) * 1983-05-03 1985-10-17 Fa. Carl Freudenberg, 6940 Weinheim Dichtung
DE3327229A1 (de) * 1983-07-28 1985-02-07 Elring Dichtungswerke Gmbh, 7012 Fellbach Radialwellendichtring
DE3418738C2 (de) * 1984-05-19 1986-05-15 Fa. Carl Freudenberg, 6940 Weinheim Wellendichtung

Also Published As

Publication number Publication date
FR2574148B1 (fr) 1990-02-02
DE3542498C2 (de) 1995-03-09
FR2574148A1 (fr) 1986-06-06
GB8430448D0 (en) 1985-01-09
IT1186139B (it) 1987-11-18
ES296364U (es) 1987-08-16
DE3542498A1 (de) 1986-07-03
GB2167817B (en) 1988-04-20
GB2167817A (en) 1986-06-04
ES296364Y (es) 1988-03-16

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961216