BR112018072425A2 - vedação mecânica dupla, anel deslizante estacionário para a mesma e alojamento de bomba em uma bomba centrífuga - Google Patents
vedação mecânica dupla, anel deslizante estacionário para a mesma e alojamento de bomba em uma bomba centrífugaInfo
- Publication number
- BR112018072425A2 BR112018072425A2 BR112018072425-4A BR112018072425A BR112018072425A2 BR 112018072425 A2 BR112018072425 A2 BR 112018072425A2 BR 112018072425 A BR112018072425 A BR 112018072425A BR 112018072425 A2 BR112018072425 A2 BR 112018072425A2
- Authority
- BR
- Brazil
- Prior art keywords
- mechanical seal
- slip ring
- double mechanical
- pump
- centrifugal pump
- 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
- F16J15/34—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
-
- 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
-
- 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
- F16J15/3464—Mounting of the seal
- F16J15/348—Pre-assembled seals, e.g. cartridge seals
- F16J15/3484—Tandem seals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
a presente invenção refere-se a um novo tipo de vedação mecânica dupla usada, por exemplo, para vedar uma haste de uma bomba centrífuga. a presente invenção visa especialmente a solução de problemas relacionados à circulação do fluido de barreira, isto é, líquido usado para lubrificar as superfícies de vedação.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16171407.6 | 2016-05-25 | ||
EP16171407 | 2016-05-25 | ||
PCT/EP2017/060922 WO2017202592A1 (en) | 2016-05-25 | 2017-05-08 | A double mechanical seal, a stationary slide ring thereof and a pump housing in a centrifugal pump |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112018072425A2 true BR112018072425A2 (pt) | 2019-02-19 |
BR112018072425B1 BR112018072425B1 (pt) | 2022-09-27 |
Family
ID=56081318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112018072425-4A BR112018072425B1 (pt) | 2016-05-25 | 2017-05-08 | Vedação mecânica dupla, anel de vedação estacionário para uma vedação mecânica dupla e alojamento de bomba em uma bomba centrífuga |
Country Status (6)
Country | Link |
---|---|
US (1) | US10859164B2 (pt) |
EP (1) | EP3464964B1 (pt) |
CN (1) | CN109196255B (pt) |
BR (1) | BR112018072425B1 (pt) |
RU (1) | RU2695171C1 (pt) |
WO (1) | WO2017202592A1 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA3104463A1 (en) | 2018-06-18 | 2019-12-26 | Viking Pump, Inc. | Double seal lubricated packing gland and rotating sleeve |
FI4048901T3 (fi) | 2019-10-21 | 2023-08-15 | Sulzer Management Ag | Pumppujärjestely tiivistenesteen pumppaamiseksi ja mekaaninen akselitiiviste |
US11703063B2 (en) | 2020-11-25 | 2023-07-18 | Viking Pump, Inc. | Pump gland with rotary dynamic seal |
CN116989000A (zh) * | 2023-08-04 | 2023-11-03 | 大庆文迪石油设备有限公司 | 一种污水泵用机械密封装置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51144863A (en) * | 1975-06-09 | 1976-12-13 | Nippon Pillar Packing Co Ltd | Mechanical seal |
SU943451A1 (ru) * | 1980-12-04 | 1982-07-15 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Нефтяного Машиностроения | Двухступенчатое торцовое уплотнение |
US4466619A (en) | 1981-07-13 | 1984-08-21 | Durametallic Corporation | Mechanical seal assembly with integral pumping device |
FR2589955B1 (fr) * | 1985-11-08 | 1989-12-08 | Sealol | Dispositif d'etancheite de turbopompe |
FI80512C (fi) * | 1988-12-21 | 1990-06-11 | Safematic Ltd Oy | Anordning vid en glidringstaetning. |
US5253876A (en) * | 1990-03-28 | 1993-10-19 | Eg&G Sealol, Inc. | System and method for actively cooling dry-running gas seals |
US5217234A (en) * | 1991-03-22 | 1993-06-08 | John Hornsby | Mechanical seal with barrier fluid circulation system |
US5238253A (en) * | 1991-04-22 | 1993-08-24 | Roy E. Roth Company | Regenerative turbine flow inducer for double or tandem mechanical seals |
CH686525A5 (de) * | 1992-07-02 | 1996-04-15 | Escher Wyss Ag | Turbomaschine . |
US5494299A (en) * | 1994-02-22 | 1996-02-27 | Evironamics Corporation | Temperature and pressure resistant rotating seal construction for a pump |
GB0214857D0 (en) * | 2002-06-26 | 2002-08-07 | Aes Eng Ltd | Mechanical seal drive and coupling device |
US8033549B2 (en) * | 2006-04-25 | 2011-10-11 | Scenic Precise Element Inc. | Mechanical seal |
DK2139637T3 (en) * | 2007-03-21 | 2016-01-11 | Flowserve Man Co | Laser Coating for mechanical seal faces |
US20080237995A1 (en) * | 2007-03-30 | 2008-10-02 | Louisiana State University | Mechanical Seal with Superior Thermal Performance |
TWM348160U (en) * | 2008-06-02 | 2009-01-01 | Cheng-Chin Kung | Shaft seal of pump |
DE202010000954U1 (de) * | 2010-01-14 | 2010-06-02 | Eagleburgmann Germany Gmbh & Co. Kg | Gleitringdichtungseinheit, insbesondere für eine Feuerlöschpumpe |
US9388906B2 (en) | 2010-12-23 | 2016-07-12 | Caterpillar Inc. | Seal assembly |
DE102011111697A1 (de) | 2011-08-24 | 2013-02-28 | Eagleburgmann Germany Gmbh & Co. Kg | Gekühlte Gleitringdichtungsanordnung |
CN105121922B (zh) * | 2013-02-08 | 2016-11-30 | 苏尔寿管理有限公司 | 用于流体机械的滑环、轴、机械密封件、壳体和转子以及流体机械 |
KR20160074552A (ko) * | 2013-10-23 | 2016-06-28 | 보르그워너 인코퍼레이티드 | U형 밀봉부를 갖는 작동 피봇 샤프트 페이스 밀봉부 |
US9353866B2 (en) | 2014-04-17 | 2016-05-31 | Caterpillar Inc. | Seal assembly with complementary surface deformations |
-
2017
- 2017-05-08 RU RU2018140066A patent/RU2695171C1/ru active
- 2017-05-08 CN CN201780028953.0A patent/CN109196255B/zh active Active
- 2017-05-08 US US16/098,056 patent/US10859164B2/en active Active
- 2017-05-08 EP EP17721718.9A patent/EP3464964B1/en active Active
- 2017-05-08 BR BR112018072425-4A patent/BR112018072425B1/pt active IP Right Grant
- 2017-05-08 WO PCT/EP2017/060922 patent/WO2017202592A1/en active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
CN109196255A (zh) | 2019-01-11 |
BR112018072425B1 (pt) | 2022-09-27 |
RU2695171C1 (ru) | 2019-07-22 |
EP3464964B1 (en) | 2019-10-30 |
US20190145521A1 (en) | 2019-05-16 |
CN109196255B (zh) | 2020-06-05 |
WO2017202592A1 (en) | 2017-11-30 |
US10859164B2 (en) | 2020-12-08 |
EP3464964A1 (en) | 2019-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 08/05/2017, OBSERVADAS AS CONDICOES LEGAIS |