FR2003644A1 - - Google Patents

Info

Publication number
FR2003644A1
FR2003644A1 FR6906673A FR6906673A FR2003644A1 FR 2003644 A1 FR2003644 A1 FR 2003644A1 FR 6906673 A FR6906673 A FR 6906673A FR 6906673 A FR6906673 A FR 6906673A FR 2003644 A1 FR2003644 A1 FR 2003644A1
Authority
FR
France
Prior art keywords
wall part
ring
march
diffuser passage
slot
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.)
Withdrawn
Application number
FR6906673A
Other languages
English (en)
French (fr)
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of FR2003644A1 publication Critical patent/FR2003644A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • F01D17/143—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path the shiftable member being a wall, or part thereof of a radial diffuser
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
    • F04D29/464—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps adjusting flow cross-section, otherwise than by using adjustable stator blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/52—Outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR6906673A 1968-03-11 1969-03-10 Withdrawn FR2003644A1 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71211468A 1968-03-11 1968-03-11

Publications (1)

Publication Number Publication Date
FR2003644A1 true FR2003644A1 (cs) 1969-11-14

Family

ID=24860813

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6906673A Withdrawn FR2003644A1 (cs) 1968-03-11 1969-03-10

Country Status (4)

Country Link
US (1) US3478955A (cs)
DE (1) DE1913048A1 (cs)
FR (1) FR2003644A1 (cs)
GB (1) GB1231152A (cs)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754629A (en) * 1971-12-06 1973-08-28 H R Electronics Co Coin controlled means for vending machines and the like
US3941498A (en) * 1974-04-08 1976-03-02 Chandler Evans Inc. Variable geometry collector for centrifugal pump
US4544325A (en) * 1980-10-22 1985-10-01 Teledyne Industries, Inc. Variable geometry device for turbine compressor outlet
US4403914A (en) * 1981-07-13 1983-09-13 Teledyne Industries, Inc. Variable geometry device for turbomachinery
US4499731A (en) * 1981-12-09 1985-02-19 Bbc Brown, Boveri & Company, Limited Controllable exhaust gas turbocharger
EP0095853B1 (en) * 1982-05-28 1988-08-03 Holset Engineering Company Limited A variable inlet area turbine
US4538410A (en) * 1982-07-07 1985-09-03 A/S Kongsberg Vapenfabrikk Compressor diffuser non-return valve and method for starting gas turbine engines
US4844690A (en) * 1985-01-24 1989-07-04 Carrier Corporation Diffuser vane seal for a centrifugal compressor
JPH01219397A (ja) * 1988-02-26 1989-09-01 Hitachi Ltd 遠心圧縮機のディフューザ
GB2218743A (en) * 1988-05-17 1989-11-22 Holset Engineering Co Variable geometry turbine
GB2218745B (en) * 1988-05-17 1992-07-01 Holset Engineering Co Variable geometry turbine actuator assembly
EP0654587B1 (en) * 1993-11-19 1999-01-20 Holset Engineering Company Limited Turbine with variable inlet geometry
US6158956A (en) 1998-10-05 2000-12-12 Allied Signal Inc. Actuating mechanism for sliding vane variable geometry turbine
US7475540B2 (en) * 2002-11-19 2009-01-13 Holset Engineering Co., Limited Variable geometry turbine
US7207176B2 (en) 2002-11-19 2007-04-24 Cummins Inc. Method of controlling the exhaust gas temperature for after-treatment systems on a diesel engine using a variable geometry turbine
US6931849B2 (en) * 2002-11-19 2005-08-23 Holset Engineering Company, Limited Variable geometry turbine
US6872050B2 (en) 2002-12-06 2005-03-29 York International Corporation Variable geometry diffuser mechanism
DE10310678B3 (de) * 2003-03-12 2004-09-23 Atlas Copco Energas Gmbh Expansionsturbinenstufe
DE60322978D1 (de) * 2003-08-14 2008-09-25 Honeywell Int Inc Verstellbarer diffusor mit beweglicher wand
EP1888881B1 (en) * 2005-06-07 2012-04-11 Cummins Turbo Technologies Ltd Variable geometry turbine
WO2007064605A2 (en) * 2005-11-30 2007-06-07 Dresser-Rand Company End closure device for a turbomachine casing
US20070196206A1 (en) * 2006-02-17 2007-08-23 Honeywell International, Inc. Pressure load compressor diffuser
JP4853263B2 (ja) * 2006-12-07 2012-01-11 株式会社豊田自動織機 遠心圧縮機
CN100427768C (zh) * 2006-12-29 2008-10-22 清华大学 离心压气机可控型面无叶扩压器
US7871243B2 (en) * 2007-06-05 2011-01-18 Honeywell International Inc. Augmented vaneless diffuser containment
US8070416B2 (en) * 2008-03-27 2011-12-06 International Engine Intellectual Property Company, Llc Flow regulation mechanism for turbocharger compressor
EP2503158B1 (en) * 2009-11-17 2014-12-31 Toyota Jidosha Kabushiki Kaisha Centrifugal compressor and turbocharger
EP2546527B8 (en) * 2010-03-09 2016-10-19 Toyota Jidosha Kabushiki Kaisha Diffuser device, centrifugal compressor, and turbo supercharger
US9212667B2 (en) * 2010-12-22 2015-12-15 Danfoss A/S Variable-speed oil-free refrigerant centrifugal compressor with variable geometry diffuser
US10378553B2 (en) * 2012-11-09 2019-08-13 Johnson Controls Technology Company Variable geometry diffuser having extended travel and control method thereof
EP2961991B1 (en) * 2013-03-01 2020-07-22 Rolls-Royce North American Technologies, Inc. Gas turbine engine impeller system for an intermediate pressure (ip) compressor
CN104421209B (zh) * 2013-08-26 2017-02-08 珠海格力电器股份有限公司 调节器结构及离心式压缩机
CN105473956B (zh) 2013-08-27 2018-07-31 丹佛斯公司 一种包括流控制器和电磁致动器的压缩机
JP6256142B2 (ja) * 2014-03-26 2018-01-10 株式会社豊田自動織機 遠心圧縮機
GB201408087D0 (en) 2014-05-07 2014-06-18 Cummins Ltd Variable geometry turbine assembly
DE102015202375A1 (de) * 2015-02-11 2016-08-11 Robert Bosch Gmbh Radialverdichter, Abgasturbolader und entsprechendes Verfahren zum Betreiben eines Radialverdichters
US20160265549A1 (en) * 2015-03-09 2016-09-15 Caterpillar Inc. Compressor assembly having dynamic diffuser ring retention
TWI592567B (zh) * 2015-11-12 2017-07-21 財團法人工業技術研究院 渦輪進氣控制裝置及進氣控制方法
US10753370B2 (en) * 2017-05-23 2020-08-25 Rolls-Royce Corporation Variable diffuser with axially translating end wall for a centrifugal compressor
WO2019060751A1 (en) 2017-09-25 2019-03-28 Johnson Controls Technology Company DIFFUSER MECHANISM WITH COMPACT VARIABLE GEOMETRY
CN107859658B (zh) * 2017-10-27 2019-02-19 江苏大学 一种可调节开度的射流自吸系统
CN109356886A (zh) * 2018-12-17 2019-02-19 珠海格力电器股份有限公司 离心式压缩机及扩压器装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2285976A (en) * 1940-01-15 1942-06-09 Gen Electric Centrifugal compressor
NL98031C (cs) * 1957-12-23
US3150650A (en) * 1961-09-29 1964-09-29 Caterpillar Tractor Co Variable area diffuser for compressor
NL126489C (cs) * 1964-05-11
US3349997A (en) * 1965-05-05 1967-10-31 Ckd Praha Adjustable diffuser blades

Also Published As

Publication number Publication date
DE1913048A1 (de) 1970-02-26
GB1231152A (cs) 1971-05-12
US3478955A (en) 1969-11-18

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Legal Events

Date Code Title Description
ST Notification of lapse