IT950247B - SELF-PRESSURIZING SEAL FOR ROTATING SHAFT - Google Patents
SELF-PRESSURIZING SEAL FOR ROTATING SHAFTInfo
- 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
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)
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)
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)
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 |
-
1971
- 1971-04-08 US US00132485A patent/US3770179A/en not_active Expired - Lifetime
-
1972
- 1972-03-16 IT IT21917/72A patent/IT950247B/en active
- 1972-04-06 CA CA139,008A patent/CA1005481A/en not_active Expired
- 1972-04-07 JP JP3452172A patent/JPS5314694B1/ja active Pending
- 1972-04-07 FR FR7212233A patent/FR2136247A5/fr not_active Expired
- 1972-04-07 DE DE2216762A patent/DE2216762C3/en not_active Expired
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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