WO2011042739A4 - Variable geometry turbine - Google Patents

Variable geometry turbine Download PDF

Info

Publication number
WO2011042739A4
WO2011042739A4 PCT/GB2010/051672 GB2010051672W WO2011042739A4 WO 2011042739 A4 WO2011042739 A4 WO 2011042739A4 GB 2010051672 W GB2010051672 W GB 2010051672W WO 2011042739 A4 WO2011042739 A4 WO 2011042739A4
Authority
WO
WIPO (PCT)
Prior art keywords
inlet
variable geometry
annular
sleeve
geometry turbine
Prior art date
Application number
PCT/GB2010/051672
Other languages
French (fr)
Other versions
WO2011042739A3 (en
WO2011042739A2 (en
Inventor
John F. Parker
Robert L. Holroyd
Tom J. Roberts
James Alexander Mcewen
Tim Denholm
Simon Moore
Michael Voong
Christopher Normington
Arun Vijayakumar
Stephen Garrett
Original Assignee
Cummins 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
Priority claimed from GB0917513A external-priority patent/GB0917513D0/en
Priority claimed from GBGB1005680.2A external-priority patent/GB201005680D0/en
Priority claimed from GBGB1012389.1A external-priority patent/GB201012389D0/en
Priority claimed from GBGB1012382.6A external-priority patent/GB201012382D0/en
Priority claimed from GBGB1012380.0A external-priority patent/GB201012380D0/en
Priority claimed from GBGB1012492.3A external-priority patent/GB201012492D0/en
Priority claimed from GBGB1012463.4A external-priority patent/GB201012463D0/en
Priority claimed from GBGB1012475.8A external-priority patent/GB201012475D0/en
Priority claimed from GBGB1012486.5A external-priority patent/GB201012486D0/en
Priority claimed from GBGB1012474.1A external-priority patent/GB201012474D0/en
Priority claimed from GBGB1012488.1A external-priority patent/GB201012488D0/en
Priority claimed from GBGB1012471.7A external-priority patent/GB201012471D0/en
Priority claimed from GBGB1012479.0A external-priority patent/GB201012479D0/en
Priority claimed from GBGB1012538.3A external-priority patent/GB201012538D0/en
Priority claimed from GBGB1012557.3A external-priority patent/GB201012557D0/en
Priority claimed from GBGB1012536.7A external-priority patent/GB201012536D0/en
Priority claimed from GBGB1012658.9A external-priority patent/GB201012658D0/en
Priority claimed from GBGB1012715.7A external-priority patent/GB201012715D0/en
Priority claimed from GBGB1012744.7A external-priority patent/GB201012744D0/en
Priority claimed from GBGB1012734.8A external-priority patent/GB201012734D0/en
Priority claimed from GBGB1012779.3A external-priority patent/GB201012779D0/en
Priority claimed from GBGB1012767.8A external-priority patent/GB201012767D0/en
Priority claimed from GBGB1012768.6A external-priority patent/GB201012768D0/en
Priority claimed from GBGB1012769.4A external-priority patent/GB201012769D0/en
Priority claimed from GBGB1012774.4A external-priority patent/GB201012774D0/en
Priority to IN2885DEN2012 priority Critical patent/IN2012DN02885A/en
Priority to BR112012007833-0A priority patent/BR112012007833A2/en
Application filed by Cummins Ltd filed Critical Cummins Ltd
Priority to CN201080055362.0A priority patent/CN102648334B/en
Priority to EP10776401.1A priority patent/EP2486246B1/en
Publication of WO2011042739A2 publication Critical patent/WO2011042739A2/en
Publication of WO2011042739A3 publication Critical patent/WO2011042739A3/en
Publication of WO2011042739A4 publication Critical patent/WO2011042739A4/en
Priority to US13/692,787 priority patent/US9234456B2/en
Priority to US14/939,714 priority patent/US10167774B2/en
Priority to US15/975,204 priority patent/US10612458B2/en

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
    • 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
    • F01D17/18—Final actuators arranged in stator parts varying effective number of nozzles or guide conduits, e.g. sequentially operable valves for steam turbines
    • 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
    • F05D2220/00—Application
    • F05D2220/40—Application in turbochargers
    • 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
    • F05D2240/00—Components
    • F05D2240/40—Use of a multiplicity of similar components
    • 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
    • F05D2250/60—Structure; Surface texture
    • F05D2250/61—Structure; Surface texture corrugated
    • F05D2250/611—Structure; Surface texture corrugated undulated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
  • Supercharger (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A variable geometry turbine comprising a turbine wheel mounted for rotation about a turbine axis within a housing. The housing defines an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls. The turbine further comprises a cylindrical sleeve that is axially movable across the annular inlet to vary the size of a gas flow path through the inlet. The annular inlet is divided into at least two axially offset inlet passages. The inner diameter of the sleeve is greater than the inner diameter of the inlet passages.

Claims

AMENDED CLAIMS received by the International Bureau on 03 November 2011 (03.11.2011) Claims
1. A variable geometry turbine comprising
a turbine wheel mounted for rotation about a turbine axis within a housing, the housing defining an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls; and
a cylindrical sleeve axially movable across the annular inlet to vary the size of a gas flow path through the inlet;
wherein the annular inlet is divided into at least two axially offset inlet passages, and
wherein the inner diameter of the sleeve is greater than the inner diameter of the inlet passages.
2. A variable geometry turbine according to claim 1 , wherein the inner diameter of the sleeve is less than or substantially equal to the outer diameter of the inlet passages.
3. A variable geometry turbine according to claim 1 , wherein the inner diameter of the sleeve is greater than the outer diameter of the inlet passages.
4. A variable geometry turbine according to any preceding claim, wherein the sleeve is axially movable across the annular inlet in a direction towards the second inlet sidewall so as reduce the size of the gas flow path through the inlet, and wherein at least a portion of an end of the sleeve nearer to the first inlet sidewall than the second inlet sidewall is configured so as to be exposable to gases flowing through said annular inlet during use.
5. A variable geometry turbine according to any one of claims 1 to 3, wherein the sleeve is axially movable across the annular inlet in a direction towards the second inlet sidewall so as reduce the size of the gas flow path through the inlet, and wherein at least a portion of an end of the sleeve nearer to the first inlet sidewall than the second inlet sidewall is configured so as to be located in between said first and second inlet sidewall during axial movement of the sleeve across the annular inlet.
6. A variable geometry turbine according to any preceding claim, wherein the sleeve possesses a small radial thickness.
161
7. A variable geometry turbine according to claim 1 , wherein the sleeve possesses a radial thickness which is less than the axial width of the annular inlet.
8. A variable geometry turbine according to any one of claims 1 to 6, wherein the annular inlet is divided into at least two axially offset inlet passages by at least one annular baffle axially spaced from the first and second inlet sidewalls.
9. A variable geometry turbine according to claim 8, wherein inlet vanes extend axially across at least one of the axially offset inlet passages.
10. A variable geometry turbine according to claim 9, wherein the minimum distance between a baffle and the turbine wheel is less than the minimum distance between an adjacent vane and the turbine wheel.
11. A variable geometry turbine according to either of claims 9 or 10, wherein the trailing edges of at least some of the vanes extending across one of the axially offset inlet passages lie on a different radius to the trailing edges of at least some of the vanes extending across another of the axially offset inlet passages.
12. A variable geometry turbine according to any one of claims 1 to 7, wherein the annular inlet is divided into an annular array of substantially tubular inlet passages extending generally towards the turbine wheel, wherein the annular array of inlet passages comprises at least three axially offset inlet passages.
13. A variable geometry turbine according to any one of claims 1 to 12, further comprising a ring seal adjacent a free end of the sleeve, at least a part of the ring seal being located in-between the sleeve and the inlet passages.
14. A variable geometry turbine according to claim 13, wherein the seal is, at least in use, in contact with a structure defining the inlet passages.
15. A variable geometry turbine according to claim 14, wherein the annular inlet is divided into at least two axially offset inlet passages by at least one annular baffle axially spaced from the first and second inlet sidewalls, and wherein the ring seal is, at least in use, in contact with the annular baffle.
162
16. A variable geometry turbine according to any of claims 13 to 15, wherein an axial extent of the ring seal is flush with an axial extend of the free end of the sleeve.
17. A variable geometry turbine comprising:
a turbine wheel mounted for rotation about a turbine axis within a housing, the housing defining an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls; and
a cylindrical sleeve axially movable across the annular inlet to vary the size of a gas flow path through the annular inlet, the annular inlet being divided into at least two axially offset inlet passages; and
a ring seal adjacent a free end of the sleeve, at least a part of the ring seal being located in-between the sleeve and the inlet passages.
18. A variable geometry turbine according to claim 17, wherein the seal is, at least in use, in contact with a structure defining the inlet passages.
19. A variable geometry turbine according to claim 18, wherein the annular inlet is divided into at least two axially offset inlet passages by at least one annular baffle axially spaced from the first and second inlet sidewalls, and wherein the ring seal is, at least in use, in contact with the annular baffle.
20. A variable geometry turbine according to any of claims 17 to 19, wherein an axial extent of the ring seal is flush with an axial extend of the free end of the sleeve.
21. A variable geometry turbine according to any of claims 17 to 20, wherein an inner diameter of the sleeve is greater than an outer diameter of the inlet passages.
163
PCT/GB2010/051672 2009-10-06 2010-10-06 Variable geometry turbine WO2011042739A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BR112012007833-0A BR112012007833A2 (en) 2009-10-06 2010-10-06 variable geometry turbine.
IN2885DEN2012 IN2012DN02885A (en) 2009-10-06 2010-10-06
CN201080055362.0A CN102648334B (en) 2009-10-06 2010-10-06 Variable-geometry turbine
EP10776401.1A EP2486246B1 (en) 2009-10-06 2010-10-06 Variable geometry turbine
US13/692,787 US9234456B2 (en) 2009-10-06 2012-12-03 Turbomachine
US14/939,714 US10167774B2 (en) 2009-10-06 2015-11-12 Turbomachine
US15/975,204 US10612458B2 (en) 2009-10-06 2018-05-09 Turbomachine

Applications Claiming Priority (50)

Application Number Priority Date Filing Date Title
GB0917513.4 2009-10-06
GB0917513A GB0917513D0 (en) 2009-10-06 2009-10-06 Axially divided nozzle VG
GBGB1005680.2A GB201005680D0 (en) 2010-04-06 2010-04-06 Variable geometry turbine
GB1005680.2 2010-04-06
GB1012389.1 2010-07-23
GBGB1012382.6A GB201012382D0 (en) 2010-07-23 2010-07-23 Variable geometry turbine
GBGB1012389.1A GB201012389D0 (en) 2010-07-23 2010-07-23 Variable geomerty turbine
GB1012382.6 2010-07-23
GB1012486.5 2010-07-26
GB1012471.7 2010-07-26
GBGB1012479.0A GB201012479D0 (en) 2010-07-26 2010-07-26 Turbomachine
GB1012380.0 2010-07-26
GBGB1012471.7A GB201012471D0 (en) 2010-07-26 2010-07-26 Turbomachine
GB1012479.0 2010-07-26
GBGB1012488.1A GB201012488D0 (en) 2010-07-26 2010-07-26 Turbomachine
GBGB1012474.1A GB201012474D0 (en) 2010-07-26 2010-07-26 Turbomachine
GBGB1012486.5A GB201012486D0 (en) 2010-07-26 2010-07-26 Turbomachine
GBGB1012475.8A GB201012475D0 (en) 2010-07-26 2010-07-26 Turbomachine
GB1012488.1 2010-07-26
GBGB1012463.4A GB201012463D0 (en) 2010-07-26 2010-07-26 Turbomachine
GB1012463.4 2010-07-26
GBGB1012492.3A GB201012492D0 (en) 2010-07-26 2010-07-26 Turbomachine
GB1012475.8 2010-07-26
GB1012474.1 2010-07-26
GBGB1012380.0A GB201012380D0 (en) 2010-07-26 2010-07-26 Variable geometry turbine
GB1012492.3 2010-07-26
GB1012538.3 2010-07-27
GB1012557.3 2010-07-27
GBGB1012538.3A GB201012538D0 (en) 2010-07-27 2010-07-27 Turbomachine
GBGB1012557.3A GB201012557D0 (en) 2010-07-27 2010-07-27 Turbomachine
GB1012536.7 2010-07-27
GBGB1012536.7A GB201012536D0 (en) 2010-07-27 2010-07-27 Turbomachine
GBGB1012658.9A GB201012658D0 (en) 2010-07-28 2010-07-28 Turbomachine
GB1012658.9 2010-07-28
GBGB1012715.7A GB201012715D0 (en) 2010-07-29 2010-07-29 Turbomachine
GB1012744.7 2010-07-29
GB1012734.8 2010-07-29
GBGB1012734.8A GB201012734D0 (en) 2010-07-29 2010-07-29 Turbomachine
GBGB1012744.7A GB201012744D0 (en) 2010-07-29 2010-07-29 Turbomachine
GB1012715.7 2010-07-29
GBGB1012774.4A GB201012774D0 (en) 2010-07-30 2010-07-30 Turbmachine
GB1012769.4 2010-07-30
GBGB1012769.4A GB201012769D0 (en) 2010-07-30 2010-07-30 Turbomachine
GBGB1012768.6A GB201012768D0 (en) 2010-07-30 2010-07-30 Turbomachine
GB1012774.4 2010-07-30
GB1012779.3 2010-07-30
GBGB1012767.8A GB201012767D0 (en) 2010-07-30 2010-07-30 Turbomachine
GB1012767.8 2010-07-30
GB1012768.6 2010-07-30
GBGB1012779.3A GB201012779D0 (en) 2010-07-30 2010-07-30 Turbomachine

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13500835 A-371-Of-International 2010-10-06
US13/692,787 Continuation US9234456B2 (en) 2009-10-06 2012-12-03 Turbomachine

Publications (3)

Publication Number Publication Date
WO2011042739A2 WO2011042739A2 (en) 2011-04-14
WO2011042739A3 WO2011042739A3 (en) 2011-11-03
WO2011042739A4 true WO2011042739A4 (en) 2012-01-12

Family

ID=43857223

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2010/051672 WO2011042739A2 (en) 2009-10-06 2010-10-06 Variable geometry turbine

Country Status (4)

Country Link
EP (1) EP2486246B1 (en)
CN (1) CN102648334B (en)
IN (1) IN2012DN02885A (en)
WO (1) WO2011042739A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2474344B (en) * 2009-10-06 2016-01-27 Cummins Ltd Turbomachine
GB2503029B (en) * 2012-06-15 2017-11-15 Cummins Ltd Variable geometry turbine with overlapping input passages and a sleeve
US9617874B2 (en) * 2013-06-17 2017-04-11 General Electric Technology Gmbh Steam power plant turbine and control method for operating at low load
TWI537476B (en) * 2013-07-15 2016-06-11 Sunon Electronics Foshan Co Ltd Axial fan
CN113710884B (en) * 2019-04-19 2023-10-20 三菱重工发动机和增压器株式会社 Variable capacity turbine and supercharger
US11892006B2 (en) 2019-08-28 2024-02-06 Cummins Limited Baffle element, diffuser plate, and seal system incorporating a baffle element and a diffuser plate

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2513312B1 (en) * 1981-09-24 1986-03-28 Bedue Abel NOVEL TURBINE WHEEL DESIGN, SUCH AS A RELAXATION TURBINE, AND METHOD OF USING SUCH A WHEEL
EP0095853B1 (en) 1982-05-28 1988-08-03 Holset Engineering Company Limited A variable inlet area turbine
JPH05133238A (en) * 1991-11-11 1993-05-28 Mitsubishi Heavy Ind Ltd Variable capacity supercharger
US5267829A (en) * 1992-03-14 1993-12-07 Mercedes Benz A.G. Flow control apparatus for a turbocharger turbine
JP3725287B2 (en) 1996-04-25 2005-12-07 アイシン精機株式会社 Variable capacity turbocharger
GB2326198A (en) 1997-06-10 1998-12-16 Holset Engineering Co Variable geometry turbine
GB0025244D0 (en) 2000-10-12 2000-11-29 Holset Engineering Co Turbine
US6931849B2 (en) 2002-11-19 2005-08-23 Holset Engineering Company, 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
EP1809908B1 (en) 2004-11-08 2008-02-20 Honeywell International Inc. Variable geometry compressor
US20070177349A1 (en) * 2005-11-23 2007-08-02 Himanshu Pokharna High efficiency fluid mover
US7428814B2 (en) * 2006-03-08 2008-09-30 Melvin Hess Pedersen Turbine assemblies and related systems for use with turbochargers
JP2008095613A (en) * 2006-10-12 2008-04-24 Toyota Motor Corp Supercharger
DE102007058246B4 (en) 2007-12-04 2020-01-09 BMTS Technology GmbH & Co. KG charging
GB2462266A (en) 2008-07-30 2010-02-03 Cummins Turbo Tech Ltd Variable geometry turbine with filter
GB2468871B (en) 2009-03-25 2015-03-18 Cummins Turbo Tech Ltd Turbocharger

Also Published As

Publication number Publication date
WO2011042739A3 (en) 2011-11-03
IN2012DN02885A (en) 2015-07-24
EP2486246A2 (en) 2012-08-15
CN102648334B (en) 2016-03-30
EP2486246B1 (en) 2017-06-28
WO2011042739A2 (en) 2011-04-14
CN102648334A (en) 2012-08-22

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