DE69508256D1 - STATOR STRUCTURE WITH INTERRUPTED RING GROOVES - Google Patents

STATOR STRUCTURE WITH INTERRUPTED RING GROOVES

Info

Publication number
DE69508256D1
DE69508256D1 DE69508256T DE69508256T DE69508256D1 DE 69508256 D1 DE69508256 D1 DE 69508256D1 DE 69508256 T DE69508256 T DE 69508256T DE 69508256 T DE69508256 T DE 69508256T DE 69508256 D1 DE69508256 D1 DE 69508256D1
Authority
DE
Germany
Prior art keywords
ring grooves
stator structure
interrupted ring
interrupted
stator
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
DE69508256T
Other languages
German (de)
Other versions
DE69508256T2 (en
Inventor
Robert Mazzawy
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.)
Raytheon Technologies Corp
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 DE69508256D1 publication Critical patent/DE69508256D1/en
Application granted granted Critical
Publication of DE69508256T2 publication Critical patent/DE69508256T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • 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
    • 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
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE69508256T 1994-06-14 1995-05-24 STATOR STRUCTURE WITH INTERRUPTED RING GROOVES Expired - Fee Related DE69508256T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25979194A 1994-06-14 1994-06-14
PCT/US1995/006582 WO1995034745A1 (en) 1994-06-14 1995-05-24 Interrupted circumferential groove stator structure

Publications (2)

Publication Number Publication Date
DE69508256D1 true DE69508256D1 (en) 1999-04-15
DE69508256T2 DE69508256T2 (en) 1999-10-14

Family

ID=22986403

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69508256T Expired - Fee Related DE69508256T2 (en) 1994-06-14 1995-05-24 STATOR STRUCTURE WITH INTERRUPTED RING GROOVES

Country Status (5)

Country Link
EP (1) EP0774050B1 (en)
JP (1) JP3640396B2 (en)
DE (1) DE69508256T2 (en)
TW (1) TW268070B (en)
WO (1) WO1995034745A1 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2385378B (en) * 2002-02-14 2005-08-31 Rolls Royce Plc Engine casing
GB2419638A (en) * 2004-10-26 2006-05-03 Rolls Royce Plc Compressor casing with an abradable lining and surge control grooves
US7861823B2 (en) * 2005-11-04 2011-01-04 United Technologies Corporation Duct for reducing shock related noise
GB2435904B (en) * 2006-03-10 2008-08-27 Rolls Royce Plc Compressor Casing
DE102008009604A1 (en) 2008-02-15 2009-08-20 Rolls-Royce Deutschland Ltd & Co Kg Housing structuring for stabilizing flow in a fluid power machine
US8118548B2 (en) * 2008-09-15 2012-02-21 General Electric Company Shroud for a turbomachine
CN101483624B (en) * 2009-02-10 2011-06-08 东南大学 Compensation apparatus and compensation method for frequency drift in MSK differential detection and demodulation circuit
US8177494B2 (en) * 2009-03-15 2012-05-15 United Technologies Corporation Buried casing treatment strip for a gas turbine engine
GB2477745A (en) * 2010-02-11 2011-08-17 Rolls Royce Plc Compressor Casing
US8740563B2 (en) * 2010-11-22 2014-06-03 General Electric Company Sealing assembly for use in turbomachines and methods of assembling same
EP2458157B1 (en) 2010-11-30 2015-10-14 Techspace Aero S.A. Abradable interior stator ferrule
JP5579104B2 (en) * 2011-02-28 2014-08-27 三菱重工業株式会社 Extraction structure of rotating machine
DE102011006275A1 (en) 2011-03-28 2012-10-04 Rolls-Royce Deutschland Ltd & Co Kg Stator of an axial compressor stage of a turbomachine
DE102011006273A1 (en) 2011-03-28 2012-10-04 Rolls-Royce Deutschland Ltd & Co Kg Rotor of an axial compressor stage of a turbomachine
DE102011007767A1 (en) 2011-04-20 2012-10-25 Rolls-Royce Deutschland Ltd & Co Kg flow machine
CN103062131B (en) * 2011-10-20 2015-08-12 中国科学院工程热物理研究所 Flexible non-axis symmetry treated casing flow control method
FR2988146B1 (en) * 2012-03-15 2014-04-11 Snecma CARTER FOR WHEEL WITH IMPROVED TURBOMACHINE AUBES AND TURBOMACHINE EQUIPPED WITH SAID CARTER
GB201205663D0 (en) * 2012-03-30 2012-05-16 Rolls Royce Plc Effusion cooled shroud segment with an abradable system
US10465716B2 (en) 2014-08-08 2019-11-05 Pratt & Whitney Canada Corp. Compressor casing
US10107307B2 (en) 2015-04-14 2018-10-23 Pratt & Whitney Canada Corp. Gas turbine engine rotor casing treatment
CA2955646A1 (en) 2016-01-19 2017-07-19 Pratt & Whitney Canada Corp. Gas turbine engine rotor blade casing
CN106968986A (en) * 2017-05-08 2017-07-21 中国航发湖南动力机械研究所 Seam processor box and compressor
CN109653808B (en) * 2018-11-30 2020-08-28 西安交通大学 Radial rim sealing structure with internal tooth grooves
US20230151825A1 (en) * 2021-11-17 2023-05-18 Pratt & Whitney Canada Corp. Compressor shroud with swept grooves

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE804394C (en) * 1949-02-11 1951-04-23 Siemens Schuckertwerke A G Labyrinth gap seal
US3719365A (en) * 1971-10-18 1973-03-06 Gen Motors Corp Seal structure
US4239452A (en) * 1978-06-26 1980-12-16 United Technologies Corporation Blade tip shroud for a compression stage of a gas turbine engine
JPS6318799Y2 (en) * 1980-12-02 1988-05-26
GB2146707B (en) * 1983-09-14 1987-08-05 Rolls Royce Turbine

Also Published As

Publication number Publication date
EP0774050A1 (en) 1997-05-21
JPH10501318A (en) 1998-02-03
WO1995034745A1 (en) 1995-12-21
TW268070B (en) 1996-01-11
DE69508256T2 (en) 1999-10-14
JP3640396B2 (en) 2005-04-20
EP0774050B1 (en) 1999-03-10

Similar Documents

Publication Publication Date Title
DE69508256D1 (en) STATOR STRUCTURE WITH INTERRUPTED RING GROOVES
DE69528524T2 (en) LIPASES WITH IMPROVED TENSIOSTABILITY
DE69405633D1 (en) Rotor unit
DE69721829D1 (en) APPLICATION STRUCTURE WITH FIELD CONTROL RING
DE59702126D1 (en) Tachometer with economometer
DE69736429D1 (en) TUNNELEFFEKTMESSAUFNEHMER WITH LINEAR KRAFTRÜCKKOPPLUNG
KR950022530U (en) ring
DE9410511U1 (en) Three ring bearing
DE69520211D1 (en) TURN DRUM WITH RING
DE69530671D1 (en) SPIN RING
IT1276674B1 (en) HUB
DK0663336T3 (en) Submersible
DE9414542U1 (en) Composite ring
KR960013389U (en) ring
DE29621626U1 (en) Commutator with armoring ring
TR199501314A2 (en) Mixed-air pump with common axis division
KR950029713U (en) Axis division
DE9307463U1 (en) Rotor clutch
KR960009775U (en) Ring case
KR950031961U (en) ring
KR970053563U (en) Toothbrush with magnet
KR950029858U (en) Brush case combined with palette
DE9406762U1 (en) Radial pump
DE29615384U1 (en) Lumberjack figure
KR960003746U (en) ring

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee