BR112015007508A2 - centrifugal compressor - Google Patents

centrifugal compressor

Info

Publication number
BR112015007508A2
BR112015007508A2 BR112015007508A BR112015007508A BR112015007508A2 BR 112015007508 A2 BR112015007508 A2 BR 112015007508A2 BR 112015007508 A BR112015007508 A BR 112015007508A BR 112015007508 A BR112015007508 A BR 112015007508A BR 112015007508 A2 BR112015007508 A2 BR 112015007508A2
Authority
BR
Brazil
Prior art keywords
centrifugal compressor
labyrinth seal
impeller
housing
attached
Prior art date
Application number
BR112015007508A
Other languages
Portuguese (pt)
Inventor
Miura Haruo
Narita Mitsuhiro
Takahashi Naohiko
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of BR112015007508A2 publication Critical patent/BR112015007508A2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F04D17/12—Multi-stage 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/102—Shaft sealings 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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F04D17/12—Multi-stage pumps
    • F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
    • 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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/051—Axial thrust balancing
    • F04D29/0516—Axial thrust balancing balancing pistons
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F16J15/4472—Labyrinth packings with axial path

Abstract

resumo "compressor centrífugo” para reduzir o vazamento da parte de vedação de um compressor centrífugo e para melhorar a característica de amortecimento na parte de vedação, esse com-pressor centrífugo é equipado com: um invólucro; um rotor que é preso nesse invó-lucro de modo giratório e ao qual é fixado um impulsor; e uma vedação tipo labirinto que é fixada ao invólucro e é disposta oposta ao rotor. um gás é comprimido à me-dida que o impulsor gira. a vedação tipo labirinto é fornecida pelo menos na parte de entrada do estágio final do impulsor ou um pistão de equilíbrio que equilibra a propulsão do rotor. o diâmetro do rotor oposto à vedação tipo labirinto aumenta ou diminui gradualmente. além disso, a vedação tipo labirinto é formada de múltiplos sulcos na direção axial, e são formadas várias cavidades na direção circunferencial em cada sulco.Summary "Centrifugal Compressor" To reduce the leakage of the sealing part of a centrifugal compressor and to improve the damping characteristic in the sealing part, this centrifugal compressor is equipped with: a housing; a rotor that is attached to this housing. rotatably and to which an impeller is attached, and a labyrinth seal that is attached to the housing and disposed opposite the rotor, a gas is compressed as the impeller rotates, the labyrinth seal is provided at least in impeller end stage inlet portion or a balancing piston balancing impeller propulsion.The rotor diameter opposite the labyrinth seal increases or decreases gradually.In addition, the labyrinth seal is formed from multiple grooves in the axial direction, and several cavities are formed in the circumferential direction in each groove.

BR112015007508A 2012-10-04 2013-09-20 centrifugal compressor BR112015007508A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012222142A JP6049385B2 (en) 2012-10-04 2012-10-04 Centrifugal compressor
PCT/JP2013/075497 WO2014054440A1 (en) 2012-10-04 2013-09-20 Centrifugal compressor

Publications (1)

Publication Number Publication Date
BR112015007508A2 true BR112015007508A2 (en) 2017-07-04

Family

ID=50434770

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015007508A BR112015007508A2 (en) 2012-10-04 2013-09-20 centrifugal compressor

Country Status (6)

Country Link
JP (1) JP6049385B2 (en)
CN (1) CN104662306B (en)
BR (1) BR112015007508A2 (en)
RU (1) RU2605546C9 (en)
SA (1) SA515360227B1 (en)
WO (1) WO2014054440A1 (en)

Families Citing this family (13)

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Publication number Priority date Publication date Assignee Title
DE102014224757A1 (en) * 2014-12-03 2016-06-09 Robert Bosch Gmbh Compressor with a sealing channel
CN105805052A (en) * 2014-12-31 2016-07-27 锦州新锦化机械制造有限公司 Centrifugal compressor balance disk device
US20170130730A1 (en) * 2015-11-10 2017-05-11 Onesubsea Ip Uk Limited Axial bearing offloading in fluid processing machines
JP2017160861A (en) 2016-03-10 2017-09-14 株式会社日立製作所 Turbo machine
CN106949245B (en) * 2017-03-07 2018-04-17 西安交通大学 It is a kind of from spin-ended convergence type rotary seal structure
CN107524637A (en) * 2017-07-24 2017-12-29 西北工业大学 A kind of transonic speed axial fan blade angularly stitches treated casing structure design
FR3082879B1 (en) * 2018-06-20 2020-07-03 Safran Aircraft Engines LABYRINTH SEAL FOR AN AIRCRAFT TURBOMACHINE
JP2020020269A (en) * 2018-07-30 2020-02-06 株式会社日立製作所 Compressor
FR3088684B1 (en) * 2018-11-21 2023-07-28 Thermodyn BALANCING AND SEALING PISTON, COOLING CIRCUIT AND ASSOCIATED METHOD
CN113226537A (en) * 2018-12-26 2021-08-06 M技术株式会社 Fluid treatment device
CN113474580A (en) * 2019-02-25 2021-10-01 丹佛斯公司 Abradable labyrinth seal for refrigeration compressor
CN112796841B (en) * 2020-12-25 2022-03-15 东方电气集团东方汽轮机有限公司 Structure for reducing steam leakage of gap bridge steam seal
CN113431902A (en) * 2021-05-13 2021-09-24 东南大学 Flow regulation and control type vibration damping sealing device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08505462A (en) * 1993-01-08 1996-06-11 ザ、テクサス、エイアンドエム、ユーニヴァーサティ、システィム Pressure damper seal
RU2133879C1 (en) * 1996-04-10 1999-07-27 Акционерное общество "Сумское машиностроительное научно-производственное объединение им.М.В.Фрунзе" Turbocompressor sealing system
JP3567064B2 (en) * 1997-06-23 2004-09-15 株式会社 日立インダストリイズ Labyrinth seal device and fluid machine provided with the same
US5927720A (en) * 1997-11-03 1999-07-27 Carrier Corporation Two-piece labyrinth seal for a centrifugal compressor balance piston
JP2002228014A (en) * 2001-02-05 2002-08-14 Mitsubishi Heavy Ind Ltd Labyrinth seal
JP2008190487A (en) * 2007-02-07 2008-08-21 Hitachi Plant Technologies Ltd Centrifugal type fluid machine
JP2009052434A (en) * 2007-08-24 2009-03-12 Hitachi Plant Technologies Ltd Centrifugal compressor
JP4696147B2 (en) * 2008-06-30 2011-06-08 株式会社日立製作所 Turbo machine
RU93474U1 (en) * 2008-09-02 2010-04-27 Вазген Сергеевич Багдасарян DEVICE FOR EXCLUSION OF TRANSVERSES IN GAS-TURBINE INSTALLATIONS AND COMPRESSORS
JP5484990B2 (en) * 2010-03-30 2014-05-07 三菱重工業株式会社 Turbine
JP2012007594A (en) * 2010-06-28 2012-01-12 Mitsubishi Heavy Ind Ltd Seal device, and fluid machine provided with the same
JP5600542B2 (en) * 2010-09-29 2014-10-01 株式会社神戸製鋼所 Rotating machinery shaft seal device
IT1403222B1 (en) * 2010-12-30 2013-10-17 Nuovo Pignone Spa SYSTEMS AND METHODS FOR RASTREATION OF BLASTERS

Also Published As

Publication number Publication date
RU2015111993A (en) 2016-10-20
JP6049385B2 (en) 2016-12-21
CN104662306A (en) 2015-05-27
JP2014074360A (en) 2014-04-24
RU2605546C2 (en) 2016-12-20
CN104662306B (en) 2017-06-30
WO2014054440A1 (en) 2014-04-10
SA515360227B1 (en) 2016-12-18
RU2605546C9 (en) 2017-04-27

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2532 DE 16-07-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.