ZA200508125B - Vernier duct blocker - Google Patents

Vernier duct blocker Download PDF

Info

Publication number
ZA200508125B
ZA200508125B ZA200508125A ZA200508125A ZA200508125B ZA 200508125 B ZA200508125 B ZA 200508125B ZA 200508125 A ZA200508125 A ZA 200508125A ZA 200508125 A ZA200508125 A ZA 200508125A ZA 200508125 B ZA200508125 B ZA 200508125B
Authority
ZA
South Africa
Prior art keywords
vanes
blocker
width
gas
movable ring
Prior art date
Application number
ZA200508125A
Other languages
English (en)
Inventor
Timothy A Swanson
James E Jones
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Publication of ZA200508125B publication Critical patent/ZA200508125B/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
    • F01D17/14—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
    • F01D17/145—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 by means of valves, e.g. 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
    • F05D2250/00—Geometry
    • F05D2250/40—Movement of components
    • F05D2250/41—Movement of components with one degree of freedom
    • F05D2250/411—Movement of components with one degree of freedom in rotation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
ZA200508125A 2004-10-08 2005-10-07 Vernier duct blocker ZA200508125B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/961,178 US7097421B2 (en) 2004-10-08 2004-10-08 Vernier duct blocker

Publications (1)

Publication Number Publication Date
ZA200508125B true ZA200508125B (en) 2007-12-27

Family

ID=35708522

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200508125A ZA200508125B (en) 2004-10-08 2005-10-07 Vernier duct blocker

Country Status (8)

Country Link
US (1) US7097421B2 (de)
EP (1) EP1647673B1 (de)
JP (1) JP2006105155A (de)
CN (1) CN1796728A (de)
CA (1) CA2522420C (de)
DE (1) DE602005012900D1 (de)
SG (1) SG121971A1 (de)
ZA (1) ZA200508125B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1835131A1 (de) * 2006-03-15 2007-09-19 Siemens Aktiengesellschaft Gasturbine für ein thermisches Kraftwerk und Verfahren zum Betreiben einer derartigen Gasturbine
US8137060B2 (en) * 2006-10-12 2012-03-20 United Technologies Corporation Actuation of a turbofan engine bifurcation to change an effective nozzle exit area
US7871242B2 (en) * 2007-05-31 2011-01-18 United Technologies Corporation Single actuator controlled rotational flow balance system
EP2014876B1 (de) * 2007-07-10 2012-06-06 Siemens Aktiengesellschaft Drehschieber zur Steuerung des Dampfdurchsatzes bei einer Dampfturbine
US8707799B2 (en) * 2011-09-30 2014-04-29 United Technologies Corporation Method for chemical milling an apparatus with a flow passage
US8967952B2 (en) * 2011-12-22 2015-03-03 United Technologies Corporation Gas turbine engine duct blocker that includes a duct blocker rotor with a plurality of roller elements
US9011082B2 (en) * 2011-12-22 2015-04-21 United Technologies Corporation Gas turbine engine duct blocker with rotatable vane segments
US11021958B2 (en) * 2018-10-31 2021-06-01 Raytheon Technologies Corporation Split vernier ring for turbine rotor stack assembly
FR3101671B1 (fr) * 2019-10-04 2022-05-06 Safran Aircraft Engines Turbomachine comportant des moyens de réduction du débit d’air de la veine primaire pilotés par des moteurs électriques

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1426879B2 (de) 1965-04-20 1971-01-07 VEB Bergmann Borsig, χ 1106 Berlin Ringschieber fur Stromungsmaschinen, insbesondere Dampfturbinen
US4292802A (en) 1978-12-27 1981-10-06 General Electric Company Method and apparatus for increasing compressor inlet pressure
GB2085146B (en) * 1980-10-01 1985-06-12 Gen Electric Flow modifying device
DE4238550A1 (de) * 1992-11-14 1994-05-19 Daimler Benz Ag Abgasturbolader für eine Brennkraftmaschine
DE4425344C2 (de) 1994-07-18 2001-05-23 Abb Patent Gmbh Drehschieber mit mindestens einem Axialnadeldrehkranz als drehbewegliches Lagerelement
DE19620949A1 (de) * 1996-05-24 1997-11-27 Abb Patent Gmbh Radialdrehschieber zur Steuerung des Dampfdurchsatzes bei einer Dampfturbine
US6402465B1 (en) * 2001-03-15 2002-06-11 Dresser-Rand Company Ring valve for turbine flow control

Also Published As

Publication number Publication date
SG121971A1 (en) 2006-05-26
CA2522420A1 (en) 2006-04-08
US7097421B2 (en) 2006-08-29
US20060078419A1 (en) 2006-04-13
DE602005012900D1 (de) 2009-04-09
CA2522420C (en) 2009-09-01
JP2006105155A (ja) 2006-04-20
CN1796728A (zh) 2006-07-05
EP1647673B1 (de) 2009-02-25
EP1647673A1 (de) 2006-04-19

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