AU2003261506B2 - Device for circulating sealing gas for mechanical dry seals of a centrifugal compressor at times when the machine is stationary and pressurized - Google Patents

Device for circulating sealing gas for mechanical dry seals of a centrifugal compressor at times when the machine is stationary and pressurized Download PDF

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Publication number
AU2003261506B2
AU2003261506B2 AU2003261506A AU2003261506A AU2003261506B2 AU 2003261506 B2 AU2003261506 B2 AU 2003261506B2 AU 2003261506 A AU2003261506 A AU 2003261506A AU 2003261506 A AU2003261506 A AU 2003261506A AU 2003261506 B2 AU2003261506 B2 AU 2003261506B2
Authority
AU
Australia
Prior art keywords
gas circulation
circulation device
gas
piston
stationary
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.)
Ceased
Application number
AU2003261506A
Other languages
English (en)
Other versions
AU2003261506A1 (en
Inventor
Stefano Meucci
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.)
Nuovo Pignone Holding SpA
Original Assignee
Nuovo Pignone Holding SpA
Nuovo Pignone SpA
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 Nuovo Pignone Holding SpA, Nuovo Pignone SpA filed Critical Nuovo Pignone Holding SpA
Publication of AU2003261506A1 publication Critical patent/AU2003261506A1/en
Application granted granted Critical
Publication of AU2003261506B2 publication Critical patent/AU2003261506B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • 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
    • F04B31/00—Free-piston pumps specially adapted for elastic fluids; Systems incorporating such pumps
    • 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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/01—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being mechanical
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
    • F04B9/129—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers
    • F04B9/131—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers with two mechanically connected pumping members
    • F04B9/133—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers with two mechanically connected pumping members reciprocating movement of the pumping members being obtained by a double-acting elastic-fluid motor
    • 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
    • F04D29/14—Shaft sealings operative only when pump is inoperative
    • F04D29/143—Shaft sealings operative only when pump is inoperative especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P30/00—Technologies relating to oil refining and petrochemical industry
    • Y02P30/40—Ethylene production

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Compressor (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Reciprocating Pumps (AREA)
  • Mechanical Sealing (AREA)
AU2003261506A 2002-11-13 2003-11-06 Device for circulating sealing gas for mechanical dry seals of a centrifugal compressor at times when the machine is stationary and pressurized Ceased AU2003261506B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI2002A002401 2002-11-13
IT002401A ITMI20022401A1 (it) 2002-11-13 2002-11-13 Dispositivo di circolazione gas di sbarramento per tenute meccaniche

Publications (2)

Publication Number Publication Date
AU2003261506A1 AU2003261506A1 (en) 2004-06-03
AU2003261506B2 true AU2003261506B2 (en) 2009-02-19

Family

ID=29765347

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003261506A Ceased AU2003261506B2 (en) 2002-11-13 2003-11-06 Device for circulating sealing gas for mechanical dry seals of a centrifugal compressor at times when the machine is stationary and pressurized

Country Status (6)

Country Link
US (1) US6931983B2 (enExample)
EP (1) EP1420167B1 (enExample)
JP (2) JP4677182B2 (enExample)
AU (1) AU2003261506B2 (enExample)
IT (1) ITMI20022401A1 (enExample)
NO (1) NO20035021L (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO324811B1 (no) * 2005-12-22 2007-12-10 Norsk Hydro Produksjon As Undervannspumpe
NO326735B1 (no) * 2006-06-30 2009-02-09 Aker Subsea As Fremgangsmåte og anordning for beskyttelse av kompressormoduler mot uønsket innstrømming av forurenset gass.
NO325803B1 (no) * 2006-10-13 2008-07-21 Framo Eng As Anordning ved tetningssystem
US9726196B2 (en) 2010-10-27 2017-08-08 Dresser-Rand Company System and cooling for rapid pressurization of a motor-bearing cooling loop for a hermetically sealed motor/compressor system
US8979478B2 (en) 2011-03-30 2015-03-17 Flowserve Management Company Fully enclosed seal and bearing assembly for between-bearing pumps
RU2623323C2 (ru) * 2012-09-06 2017-06-23 Сименс Акциенгезелльшафт Турбомашина и способ ее работы
WO2014151315A1 (en) * 2013-03-15 2014-09-25 Delaware Capital Formation, Inc. Seal-less piston pump for liquefied gas
EP3728849A1 (en) * 2017-12-21 2020-10-28 Ceme S.p.A. A mass shifting mechanism between twin equilibrium points, and electro-pump or electro-valve having such shifting mechanism
IT202000029783A1 (it) * 2020-12-03 2022-06-03 Nuovo Pignone Tecnologie Srl Sistema di recupero di trafilamenti di gas di tenuta e di aumento della pressione del gas di tenuta, e metodo
US12305651B2 (en) 2021-06-14 2025-05-20 Air Products And Chemicals, Inc. Process and apparatus for operating a compression system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231722A (en) * 1977-03-22 1980-11-04 Joachim Teichmann Magnetic reciprocating pump for pumping fluids
GB2105793A (en) * 1981-07-15 1983-03-30 Festo Maschf Stoll G A pump machine
EP1008759A1 (en) * 1998-12-10 2000-06-14 Dresser Rand S.A Gas compressor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19523713C2 (de) * 1995-06-22 1997-04-24 Mannesmann Ag Verfahren und Vorrichtung zur Sicherung der Funktionstüchtigkeit von Gasdichtungen bei Turboverdichtern
US6802689B2 (en) * 2000-03-09 2004-10-12 Hitachi, Ltd. Turbo type fluid machine and dry gas seal for use therefor
US6789804B2 (en) * 2001-07-23 2004-09-14 Kaydon Corporation Dry gas shutdown seal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231722A (en) * 1977-03-22 1980-11-04 Joachim Teichmann Magnetic reciprocating pump for pumping fluids
GB2105793A (en) * 1981-07-15 1983-03-30 Festo Maschf Stoll G A pump machine
EP1008759A1 (en) * 1998-12-10 2000-06-14 Dresser Rand S.A Gas compressor

Also Published As

Publication number Publication date
EP1420167B1 (en) 2016-08-17
JP4677182B2 (ja) 2011-04-27
NO20035021D0 (no) 2003-11-12
EP1420167A2 (en) 2004-05-19
US6931983B2 (en) 2005-08-23
JP2011038528A (ja) 2011-02-24
JP5139488B2 (ja) 2013-02-06
NO20035021L (no) 2004-05-14
JP2004162714A (ja) 2004-06-10
AU2003261506A1 (en) 2004-06-03
US20050100454A1 (en) 2005-05-12
EP1420167A3 (en) 2005-01-12
ITMI20022401A1 (it) 2004-05-14

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Legal Events

Date Code Title Description
DA3 Amendments made section 104

Free format text: THE NATURE OF THE AMENDMENT IS: AMEND THE INVENTION TITLE TO READ DEVICE FOR CIRCULATING SEALING GAS FOR MECHANICAL DRY SEALS OF A CENTRIFUGAL COMPRESSOR AT TIMES WHEN THE MACHINE IS STATIONARY AND PRESSURIZED.

FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired