AU7203394A - Sealing method and arrangement for turbine compressor and laser employing same - Google Patents

Sealing method and arrangement for turbine compressor and laser employing same

Info

Publication number
AU7203394A
AU7203394A AU72033/94A AU7203394A AU7203394A AU 7203394 A AU7203394 A AU 7203394A AU 72033/94 A AU72033/94 A AU 72033/94A AU 7203394 A AU7203394 A AU 7203394A AU 7203394 A AU7203394 A AU 7203394A
Authority
AU
Australia
Prior art keywords
drive shaft
seal
gas
impeller
compressor
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.)
Abandoned
Application number
AU72033/94A
Other languages
English (en)
Inventor
Carl J. Nilsen
Kenneth M Tullio
Walter Q Wilson
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.)
PRC Corp
Original Assignee
PRC Corp
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 PRC Corp filed Critical PRC Corp
Publication of AU7203394A publication Critical patent/AU7203394A/en
Abandoned legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/46Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04Preventing 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/10Shaft sealings
    • F04D29/12Shaft sealings using sealing-rings
    • F04D29/122Shaft sealings using sealing-rings especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/10Shaft sealings
    • F04D29/14Shaft sealings operative only when pump is inoperative
    • F04D29/143Shaft sealings operative only when pump is inoperative especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/002Sealings comprising at least two sealings in succession
    • F16J15/008Sealings comprising at least two sealings in succession with provision to put out of action at least one sealing; One sealing sealing only on standstill; Emergency or servicing sealings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02Constructional details
    • H01S3/03Constructional details of gas laser discharge tubes
    • H01S3/036Means for obtaining or maintaining the desired gas pressure within the tube, e.g. by gettering, replenishing; Means for circulating the gas, e.g. for equalising the pressure within the tube

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Architecture (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Lasers (AREA)
  • Laser Beam Processing (AREA)
  • Sealing Of Bearings (AREA)
AU72033/94A 1993-06-04 1994-06-03 Sealing method and arrangement for turbine compressor and laser employing same Abandoned AU7203394A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/071,395 US5377216A (en) 1993-06-04 1993-06-04 Sealing method and arrangement for turbine compressor and laser employing same
US071395 1993-06-04
PCT/US1994/006220 WO1994029936A1 (en) 1993-06-04 1994-06-03 Sealing method and arrangement for turbine compressor and laser employing same

Publications (1)

Publication Number Publication Date
AU7203394A true AU7203394A (en) 1995-01-03

Family

ID=22101031

Family Applications (1)

Application Number Title Priority Date Filing Date
AU72033/94A Abandoned AU7203394A (en) 1993-06-04 1994-06-03 Sealing method and arrangement for turbine compressor and laser employing same

Country Status (7)

Country Link
US (1) US5377216A (enExample)
EP (1) EP0701741A1 (enExample)
JP (1) JPH08511132A (enExample)
CN (1) CN1102911A (enExample)
AU (1) AU7203394A (enExample)
CA (1) CA2163794A1 (enExample)
WO (1) WO1994029936A1 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5846484A (en) * 1997-03-20 1998-12-08 Osteotech, Inc. Pressure flow system and method for treating a fluid permeable workpiece such as a bone
WO2000002659A2 (en) * 1998-07-10 2000-01-20 La Calhene, Inc. Rapid transfer port
FR2792687B1 (fr) * 1999-04-26 2001-07-27 Framatome Sa Procede et dispositif d'isolation etanche d'un espace interne d'une machine tournante et utilisation pour effectuer un essai de validation des performances de la machine tournante
DE19943107C2 (de) * 1999-09-09 2001-09-20 Netzsch Mohnopumpen Gmbh Exzenterschneckenpumpen-Anschlußvorrichtung und Exzenterschneckenpumpe mit einer derartigen Anschlußvorrichtung
US6783322B2 (en) * 2002-04-23 2004-08-31 Roper Holdings, Inc. Pump system with variable-pressure seal
JP4477011B2 (ja) * 2003-05-23 2010-06-09 マンプラス カンパニー リミテッド 背受けを自動的に移動調節する椅子
JP2005308019A (ja) * 2004-04-19 2005-11-04 Shikoku Kakoki Co Ltd シール装置
JP4256432B2 (ja) 2007-04-26 2009-04-22 ファナック株式会社 レーザ装置
JP5014440B2 (ja) * 2008-02-06 2012-08-29 日本碍子株式会社 角状体のシール装置
ITCO20110013A1 (it) * 2011-03-29 2012-09-30 Nuovo Pignone Spa Sistemi di chiusura per turboespansori da usare in cicli rankine organici
GB2489531B (en) * 2011-04-02 2017-02-01 Cummins Ltd A turbocharger
CN102384271A (zh) * 2011-11-01 2012-03-21 哈尔滨东安发动机(集团)有限公司 密封结构
US9127567B2 (en) 2012-06-29 2015-09-08 United Technologies Corporation Non-interrupted turbomachine fluid supply
CN104791022B (zh) * 2015-02-15 2016-06-22 华北电力科学研究院有限责任公司 燃气热电厂轴封和真空系统及其启停控制方法
CN105896239A (zh) * 2016-06-07 2016-08-24 清华大学深圳研究生院 一种射频co2激光器及其使用的平板电极、螺纹孔结构
CN112469931B (zh) * 2018-08-15 2023-11-07 苏尔寿管理有限公司 用于密封旋转机器的轴的关闭装置以及旋转机器
KR102194655B1 (ko) * 2019-03-15 2020-12-23 부경대학교 산학협력단 누출 방지 성능이 향상된 펌프용 실링시스템
CN110332312B (zh) * 2019-07-06 2021-07-23 南通范氏机械有限公司 轴向组合密封机构
CN111794976B (zh) * 2020-06-18 2021-08-17 杭州西子泵业有限公司 一种潜水排污泵法兰式耦合结构
CN112112968A (zh) * 2020-09-23 2020-12-22 中国航发沈阳发动机研究所 一种复合式非接触式密封结构
WO2025133262A1 (en) * 2023-12-22 2025-06-26 Tyco Fire & Security Gmbh Inflatable sealing system for hvac&r system
WO2025141364A1 (en) * 2023-12-26 2025-07-03 Cymer, Llc Discharge chamber gas replenishment system
CN119103820B (zh) * 2024-10-15 2025-11-07 海目星激光科技集团股份有限公司 一种激光干燥装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2752175A (en) * 1950-02-09 1956-06-26 Albert E Fletcher Shaft seal
US3338583A (en) * 1964-02-03 1967-08-29 Joe W Isdale Variable pressure shaft seal
FR2295323A1 (fr) * 1974-12-19 1976-07-16 Joint Francais Joint d'etancheite
DE2606813A1 (de) * 1976-02-20 1977-09-01 Agfa Gevaert Ag Dichtsystem
US4198064A (en) * 1978-10-31 1980-04-15 Gustav Huhn Ab Shaft seal
DE3206369A1 (de) * 1982-02-22 1983-09-01 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach "aufblasbare schlauchdichtung"
GB2181186B (en) * 1985-09-30 1988-10-05 Siemens Ag Blower for producing a continuous gas flow
US4817111A (en) * 1987-03-20 1989-03-28 Prc Corp. Gas laser apparatus, method and turbine compressor therefor
US5192083A (en) * 1992-01-16 1993-03-09 Dresser-Rand Company Single ring sector seal

Also Published As

Publication number Publication date
CN1102911A (zh) 1995-05-24
EP0701741A4 (enExample) 1996-03-27
WO1994029936A1 (en) 1994-12-22
EP0701741A1 (en) 1996-03-20
JPH08511132A (ja) 1996-11-19
US5377216A (en) 1994-12-27
CA2163794A1 (en) 1994-12-22

Similar Documents

Publication Publication Date Title
US5377216A (en) Sealing method and arrangement for turbine compressor and laser employing same
US8408556B2 (en) Low and reverse pressure application hydrodynamic pressurizing seals
US4579349A (en) Single ring gland seal for a dynamoelectric machine rotating shaft
US5954341A (en) Bellows seal with drive collar for reverse pressure capability
EP0439308B1 (en) Reactor coolant pump having improved dynamic secondary seal assembly
KR19990007890A (ko) 샤프트 밀봉
EP0425576A1 (en) DYNAMIC SEAL ARRANGEMENT FOR A PROPELLER PUMP.
JP4111733B2 (ja) 軸封装置
US4071254A (en) Static sealing mechanism for a compressor
US4076259A (en) Static sealing mechanism for liquid natural gas compressors and hydrogen cooled generators
US20100196836A1 (en) Sealing Mechanism for a Vacuum Heat Treating Furnace
US6592345B2 (en) Scroll compressor
US6905123B2 (en) Seals
JPH056070B2 (enExample)
GB2181186A (en) Blower for producing a continuous gas flow
GB2061413A (en) A seal assembly
JPH10281300A (ja) メカニカルシール装置
CN112923061A (zh) 一种多端面自调控启用的汽轮机轴端密封装置
JPH09273636A (ja) メカニカルシール
JP2006090273A (ja) 流体シール機構を備えた流体機械
JPH0658426A (ja) リップ型シール
JP7745759B2 (ja) 回転機器のための円錐状シールアセンブリおよびシールアセンブリを含む回転機器
GB2124311A (en) Radial face seals
JPH10148198A (ja) 軸封装置
CN112923060A (zh) 一种多端面自调控启用的汽轮机轴端密封方法