FR3000167B1 - Ensemble joint d'etancheite a gaz pour pompes a liquide cryogenique - Google Patents

Ensemble joint d'etancheite a gaz pour pompes a liquide cryogenique

Info

Publication number
FR3000167B1
FR3000167B1 FR1203520A FR1203520A FR3000167B1 FR 3000167 B1 FR3000167 B1 FR 3000167B1 FR 1203520 A FR1203520 A FR 1203520A FR 1203520 A FR1203520 A FR 1203520A FR 3000167 B1 FR3000167 B1 FR 3000167B1
Authority
FR
France
Prior art keywords
seal assembly
gas seal
cryogenic liquid
liquid pumps
pumps
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR1203520A
Other languages
English (en)
Other versions
FR3000167A1 (fr
Inventor
Sebastien Besson
Bruno Brethes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cryostar SAS
Original Assignee
Cryostar SAS
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 Cryostar SAS filed Critical Cryostar SAS
Priority to FR1203520A priority Critical patent/FR3000167B1/fr
Priority to US14/107,201 priority patent/US9476314B2/en
Priority to CH02083/13A priority patent/CH707411B1/fr
Publication of FR3000167A1 publication Critical patent/FR3000167A1/fr
Application granted granted Critical
Publication of FR3000167B1 publication Critical patent/FR3000167B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/06—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure
    • F04B15/08—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure the liquids having low boiling points
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • 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
    • F04D29/10—Shaft sealings
    • F04D29/106—Shaft sealings especially adapted for liquid pumps
    • F04D29/108—Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated
    • 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
    • F04D29/10—Shaft sealings
    • F04D29/12—Shaft sealings using sealing-rings
    • F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
    • F04D29/128—Shaft sealings using sealing-rings especially adapted for liquid pumps with special means for adducting cooling or sealing 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
    • 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
    • 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
    • F16J15/3436—Pressing means
    • F16J15/3452—Pressing means the pressing force resulting from the action of a spring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/06—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure
    • F04B15/08—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure the liquids having low boiling points
    • F04B2015/081—Liquefied gases

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
FR1203520A 2012-12-20 2012-12-20 Ensemble joint d'etancheite a gaz pour pompes a liquide cryogenique Active FR3000167B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1203520A FR3000167B1 (fr) 2012-12-20 2012-12-20 Ensemble joint d'etancheite a gaz pour pompes a liquide cryogenique
US14/107,201 US9476314B2 (en) 2012-12-20 2013-12-16 Gas seal assembly for cryogenic liquid turbomachines
CH02083/13A CH707411B1 (fr) 2012-12-20 2013-12-17 Turbomachine pour liquide cryogénique avec dispositif d'étanchéité à sec.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1203520A FR3000167B1 (fr) 2012-12-20 2012-12-20 Ensemble joint d'etancheite a gaz pour pompes a liquide cryogenique

Publications (2)

Publication Number Publication Date
FR3000167A1 FR3000167A1 (fr) 2014-06-27
FR3000167B1 true FR3000167B1 (fr) 2015-08-21

Family

ID=47739360

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1203520A Active FR3000167B1 (fr) 2012-12-20 2012-12-20 Ensemble joint d'etancheite a gaz pour pompes a liquide cryogenique

Country Status (3)

Country Link
US (1) US9476314B2 (fr)
CH (1) CH707411B1 (fr)
FR (1) FR3000167B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20152842A1 (it) * 2015-08-04 2017-02-04 Nuovo Pignone Tecnologie Srl Sistema di pompaggio dotato di circuito di somministrazione di fluido barriera per le tenute a secco.
CN105257586A (zh) * 2015-10-20 2016-01-20 陕西科技大学 一种甲醇泵机械密封装置
CN105546120B (zh) * 2016-01-05 2017-06-27 西南石油大学 一种双侧充压多级自动启停机械密封装置
US10788026B2 (en) 2016-11-21 2020-09-29 Caterpillar Inc. Cryogenic pump
CN109237040B (zh) * 2018-10-31 2020-02-21 中国计量大学 一种径向流致开启性增强的箔片端面气膜密封结构
US11199263B2 (en) * 2019-03-22 2021-12-14 Raytheon Technologies Corporation Two-piece seat for contacting seal
CN110056540B (zh) * 2019-04-29 2024-01-26 厚普清洁能源(集团)股份有限公司 一种卧式潜液泵装置
CN110486458B (zh) * 2019-06-05 2021-05-18 西南交通大学 一种用于传动轴的油气耦合密封装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949321A (en) * 1957-01-26 1960-08-16 Borg Warner Mechanical seal for liquid oxygen pump
US4212475A (en) * 1979-01-15 1980-07-15 Crane Packing Co. Self aligning spiral groove face seal
US4889348A (en) * 1987-06-10 1989-12-26 John Crane-Houdaille, Inc. Spiral groove seal system for high vapor-pressure liquids
US5071141A (en) * 1990-07-17 1991-12-10 John Crane Inc. Spiral groove seal arrangement for high vapor-pressure liquids
DE4229081C1 (de) * 1992-05-27 1993-12-23 Escher Wyss Ag Trockengasdichtung
CH686525A5 (de) * 1992-07-02 1996-04-15 Escher Wyss Ag Turbomaschine .
GB2375148A (en) * 2001-04-30 2002-11-06 Corac Group Plc A dry gas seal
EP1577561A1 (fr) * 2004-03-19 2005-09-21 MAN Turbomaschinen AG Schweiz Dispositif de circulation et de chauffage de gaz pour garnitures d' étanchéité dans compresseurs centrifuges
EP1914387A1 (fr) * 2006-10-19 2008-04-23 Siemens Aktiengesellschaft Turbomachine et procédé de virage de turbomachine
US7854584B2 (en) * 2007-05-24 2010-12-21 General Electric Company Barrier sealing system for centrifugal compressors
IT1397059B1 (it) 2009-11-23 2012-12-28 Nuovo Pignone Spa Sistema di sigillo per gas secco a bassa emissione per compressori
JP5231611B2 (ja) * 2010-10-22 2013-07-10 株式会社神戸製鋼所 圧縮機
DE102011007071A1 (de) * 2011-04-08 2012-10-11 Siemens Aktiengesellschaft Wellendichtungseinsatz
DE102011007073A1 (de) * 2011-04-08 2012-10-11 Siemens Aktiengesellschaft Wellendichtungsanordnung

Also Published As

Publication number Publication date
US20140178178A1 (en) 2014-06-26
FR3000167A1 (fr) 2014-06-27
US9476314B2 (en) 2016-10-25
CH707411A2 (fr) 2014-06-30
CH707411B1 (fr) 2018-12-28

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