IT950247B - SELF-PRESSURIZING SEAL FOR ROTATING SHAFT - Google Patents

SELF-PRESSURIZING SEAL FOR ROTATING SHAFT

Info

Publication number
IT950247B
IT950247B IT21917/72A IT2191772A IT950247B IT 950247 B IT950247 B IT 950247B IT 21917/72 A IT21917/72 A IT 21917/72A IT 2191772 A IT2191772 A IT 2191772A IT 950247 B IT950247 B IT 950247B
Authority
IT
Italy
Prior art keywords
self
rotating shaft
pressurizing seal
pressurizing
seal
Prior art date
Application number
IT21917/72A
Other languages
Italian (it)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of IT950247B publication Critical patent/IT950247B/en

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
    • F16J15/40—Sealings between relatively-moving surfaces by means of 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Sealing (AREA)
  • Sealing Devices (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT21917/72A 1971-04-08 1972-03-16 SELF-PRESSURIZING SEAL FOR ROTATING SHAFT IT950247B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13248571A 1971-04-08 1971-04-08

Publications (1)

Publication Number Publication Date
IT950247B true IT950247B (en) 1973-06-20

Family

ID=22454272

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21917/72A IT950247B (en) 1971-04-08 1972-03-16 SELF-PRESSURIZING SEAL FOR ROTATING SHAFT

Country Status (6)

Country Link
US (1) US3770179A (en)
JP (1) JPS5314694B1 (en)
CA (1) CA1005481A (en)
DE (1) DE2216762C3 (en)
FR (1) FR2136247A5 (en)
IT (1) IT950247B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2408660C3 (en) * 1974-02-22 1979-08-23 Feodor Burgmann Dichtungswerk, 8190 Wolfratshausen Double acting mechanical seal
DE2610045C2 (en) * 1976-03-11 1982-06-16 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Gas-locked shaft seal
US4094512A (en) * 1976-07-14 1978-06-13 Crane Packing Limited Shaft seals
US4058320A (en) * 1976-07-26 1977-11-15 Westinghouse Electric Corporation Generator seal oil supply system
US4186777A (en) * 1978-10-27 1980-02-05 Deere & Company Pressure vessel retained energy measurement system
JPS5725675U (en) * 1980-07-18 1982-02-10
JPS57169175U (en) * 1981-04-22 1982-10-25
US4491331A (en) * 1981-12-23 1985-01-01 Hughes Tool Company Grooved mechanical face seal
US4415165A (en) * 1982-12-02 1983-11-15 The United States Of America As Represented By The Secretary Of The Navy Integral elastomeric/graphite dynamic face seal
DE3722303A1 (en) * 1987-07-06 1989-01-19 Burgmann Dichtungswerk Feodor MECHANICAL SEAL FOR SEALING A GASEOUS MEDIUM
DE3842451A1 (en) * 1988-12-16 1990-06-21 Burgmann Dichtungswerk Feodor MECHANICAL SEAL
DE4028048C2 (en) * 1990-09-05 1994-12-08 Blohm Voss Ag Sealing device for rotating shafts, in particular stern tube sealing for ship propeller shafts
US5421593A (en) * 1993-08-05 1995-06-06 Nippon Pillar Packing Co., Ltd. Shaft seal device
DE19501900A1 (en) * 1995-01-23 1996-07-25 Klein Schanzlin & Becker Ag Mechanical seal for boiler feed pumps
SE518871C2 (en) * 1996-11-14 2002-12-03 Flygt Ab Itt Plan Sealing arrangements
US6623238B2 (en) * 1998-08-21 2003-09-23 Honeywell International, Inc. Air turbine starter with seal assembly
US6446976B1 (en) 2000-09-06 2002-09-10 Flowserve Management Company Hydrodynamic face seal with grooved sealing dam for zero-leakage
CN104235371B (en) * 2014-09-03 2016-06-15 浙江工业大学 A kind of lightning class groove end surface mechanical sealing structure
CN107820454B (en) * 2015-03-06 2020-06-30 冷喷有限责任公司 Particle feeder
CN107143517B (en) * 2017-07-19 2023-04-14 重庆水泵厂有限责任公司 Non-contact shaft seal structure for high-pressure pump
US10927960B2 (en) 2019-02-01 2021-02-23 Rolls-Royce Corporation Mounting assembly for a ceramic seal runner
US10935142B2 (en) 2019-02-01 2021-03-02 Rolls-Royce Corporation Mounting assembly for a ceramic seal runner
US11466584B1 (en) 2021-07-29 2022-10-11 Rolls-Royce Corporation Ceramic runner seal assembly with compliant holder

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1022865A (en) * 1911-09-07 1912-04-09 Gustav Nicolai Hydraulic jack.
US1989548A (en) * 1932-07-18 1935-01-29 Submersible Motor Pump Co Ltd Sealing means for shafts
US2628852A (en) * 1949-02-02 1953-02-17 Crane Packing Co Cooling system for double seals
US3176996A (en) * 1962-10-12 1965-04-06 Barnett Leon Truman Oil balanced shaft seal
US3334906A (en) * 1965-02-18 1967-08-08 Koppers Co Inc Shaft seal
US3339930A (en) * 1965-03-18 1967-09-05 Borg Warner Axially staged self-adjusting mechanical seal
US3392983A (en) * 1965-10-22 1968-07-16 Atomic Energy Commission Usa Safety control device for use with mechanical seals
US3499653A (en) * 1968-06-05 1970-03-10 Crane Packing Co Rotary mechanical seal of the gap type
US3587405A (en) * 1968-11-29 1971-06-28 Ltv Electrosystems Inc Indicating and seal activating device and method
US3675935A (en) * 1970-07-13 1972-07-11 Nasa Spiral groove seal
US3675933A (en) * 1970-09-03 1972-07-11 Crane Packing Co Seal with installed space parts

Also Published As

Publication number Publication date
CA1005481A (en) 1977-02-15
JPS5314694B1 (en) 1978-05-19
US3770179A (en) 1973-11-06
DE2216762B2 (en) 1979-09-20
DE2216762A1 (en) 1972-10-19
DE2216762C3 (en) 1980-06-12
FR2136247A5 (en) 1972-12-22

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