GB2476903B - Combination of mechanical actuator and case cooling apparatus - Google Patents

Combination of mechanical actuator and case cooling apparatus

Info

Publication number
GB2476903B
GB2476903B GB1106706.3A GB201106706A GB2476903B GB 2476903 B GB2476903 B GB 2476903B GB 201106706 A GB201106706 A GB 201106706A GB 2476903 B GB2476903 B GB 2476903B
Authority
GB
United Kingdom
Prior art keywords
combination
cooling apparatus
mechanical actuator
case cooling
case
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.)
Expired - Fee Related
Application number
GB1106706.3A
Other versions
GB2476903A (en
GB201106706D0 (en
Inventor
Leo Vivian Lewis
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB1106706.3A priority Critical patent/GB2476903B/en
Priority claimed from GB0902420.9A external-priority patent/GB2467910B/en
Publication of GB201106706D0 publication Critical patent/GB201106706D0/en
Publication of GB2476903A publication Critical patent/GB2476903A/en
Application granted granted Critical
Publication of GB2476903B publication Critical patent/GB2476903B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
    • 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
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/162—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for axial flow, i.e. the vanes turning around axes which are essentially perpendicular to the rotor centre line
    • 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
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB1106706.3A 2009-02-16 2009-02-16 Combination of mechanical actuator and case cooling apparatus Expired - Fee Related GB2476903B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1106706.3A GB2476903B (en) 2009-02-16 2009-02-16 Combination of mechanical actuator and case cooling apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0902420.9A GB2467910B (en) 2009-02-16 2009-02-16 Combination of mechanical actuator and case cooling apparatus
GB1106706.3A GB2476903B (en) 2009-02-16 2009-02-16 Combination of mechanical actuator and case cooling apparatus

Publications (3)

Publication Number Publication Date
GB201106706D0 GB201106706D0 (en) 2011-06-01
GB2476903A GB2476903A (en) 2011-07-13
GB2476903B true GB2476903B (en) 2011-12-14

Family

ID=44147308

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1106706.3A Expired - Fee Related GB2476903B (en) 2009-02-16 2009-02-16 Combination of mechanical actuator and case cooling apparatus

Country Status (1)

Country Link
GB (1) GB2476903B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8920109B2 (en) * 2013-03-12 2014-12-30 Siemens Aktiengesellschaft Vane carrier thermal management arrangement and method for clearance control

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1083373A (en) * 1965-04-28 1967-09-13 Gen Electric Improvements in stator casing construction for gas turbine engines
GB2412946A (en) * 2004-04-06 2005-10-12 Rolls Royce Plc A unison ring

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1083373A (en) * 1965-04-28 1967-09-13 Gen Electric Improvements in stator casing construction for gas turbine engines
GB2412946A (en) * 2004-04-06 2005-10-12 Rolls Royce Plc A unison ring

Also Published As

Publication number Publication date
GB2476903A (en) 2011-07-13
GB201106706D0 (en) 2011-06-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20220216