NO20035021D0 - Anordning for sirkulering av en tettende gass for mekaniske törre tetningeri en sentrifugalkompressor til tider når maskinen erstillestående og under trykk - Google Patents

Anordning for sirkulering av en tettende gass for mekaniske törre tetningeri en sentrifugalkompressor til tider når maskinen erstillestående og under trykk

Info

Publication number
NO20035021D0
NO20035021D0 NO20035021A NO20035021A NO20035021D0 NO 20035021 D0 NO20035021 D0 NO 20035021D0 NO 20035021 A NO20035021 A NO 20035021A NO 20035021 A NO20035021 A NO 20035021A NO 20035021 D0 NO20035021 D0 NO 20035021D0
Authority
NO
Norway
Prior art keywords
circulating
stationary
machine
under pressure
centrifugal compressor
Prior art date
Application number
NO20035021A
Other languages
English (en)
Other versions
NO20035021L (no
Inventor
Stefano Meucci
Original Assignee
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 Spa filed Critical Nuovo Pignone Spa
Publication of NO20035021D0 publication Critical patent/NO20035021D0/no
Publication of NO20035021L publication Critical patent/NO20035021L/no

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)
  • Mechanical Sealing (AREA)
  • Reciprocating Pumps (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
NO20035021A 2002-11-13 2003-11-12 Anordning for sirkulering av en tettende gass for mekaniske torre tetninger i en sentrifugalkompressor til tider nar maskinen er stillestaende og under trykk NO20035021L (no)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NO20035021D0 true NO20035021D0 (no) 2003-11-12
NO20035021L NO20035021L (no) 2004-05-14

Family

ID=29765347

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20035021A NO20035021L (no) 2002-11-13 2003-11-12 Anordning for sirkulering av en tettende gass for mekaniske torre tetninger i en sentrifugalkompressor til tider nar maskinen er stillestaende og under trykk

Country Status (6)

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

Families Citing this family (9)

* 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
WO2012058069A2 (en) 2010-10-27 2012-05-03 Dresser-Rand Company System and method for rapid pressurization of a motor/bearing cooling loop for a hermetically sealed motor/compressor system
WO2012135610A2 (en) * 2011-03-30 2012-10-04 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
US11473570B2 (en) * 2017-12-21 2022-10-18 Ceme S.P.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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2712552C2 (de) * 1977-03-22 1979-05-17 Joachim Dipl.-Ing. 4630 Bochum Teichmann Magnetkolbenpumpe zum Fördern von Fluiden
DE3127893A1 (de) * 1981-07-15 1983-02-03 Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen "arbeitsmaschine zum foerdern von fluessigkeiten und gasen
DE19523713C2 (de) * 1995-06-22 1997-04-24 Mannesmann Ag Verfahren und Vorrichtung zur Sicherung der Funktionstüchtigkeit von Gasdichtungen bei Turboverdichtern
EP1008759A1 (en) * 1998-12-10 2000-06-14 Dresser Rand S.A Gas compressor
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

Also Published As

Publication number Publication date
US20050100454A1 (en) 2005-05-12
JP4677182B2 (ja) 2011-04-27
JP5139488B2 (ja) 2013-02-06
NO20035021L (no) 2004-05-14
JP2004162714A (ja) 2004-06-10
JP2011038528A (ja) 2011-02-24
ITMI20022401A1 (it) 2004-05-14
EP1420167A2 (en) 2004-05-19
EP1420167B1 (en) 2016-08-17
US6931983B2 (en) 2005-08-23
EP1420167A3 (en) 2005-01-12
AU2003261506A1 (en) 2004-06-03
AU2003261506B2 (en) 2009-02-19

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application