IT1235237B - Perfezionamento apportato al margine di pompaggio di un compressore a flusso assiale. - Google Patents

Perfezionamento apportato al margine di pompaggio di un compressore a flusso assiale.

Info

Publication number
IT1235237B
IT1235237B IT8521142A IT2114285A IT1235237B IT 1235237 B IT1235237 B IT 1235237B IT 8521142 A IT8521142 A IT 8521142A IT 2114285 A IT2114285 A IT 2114285A IT 1235237 B IT1235237 B IT 1235237B
Authority
IT
Italy
Prior art keywords
axial flow
improvement made
flow compressor
pumping margin
margin
Prior art date
Application number
IT8521142A
Other languages
English (en)
Other versions
IT8521142A0 (it
Inventor
Michael John Charles Waterman
Original Assignee
Rolls Royce
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26287887&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1235237(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB8511464A external-priority patent/GB2245312B/en
Application filed by Rolls Royce filed Critical Rolls Royce
Publication of IT8521142A0 publication Critical patent/IT8521142A0/it
Application granted granted Critical
Publication of IT1235237B publication Critical patent/IT1235237B/it

Links

Classifications

    • 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)
IT8521142A 1984-06-19 1985-06-13 Perfezionamento apportato al margine di pompaggio di un compressore a flusso assiale. IT1235237B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8415605 1984-06-19
GB8511464A GB2245312B (en) 1984-06-19 1985-05-07 Axial flow compressor surge margin improvement

Publications (2)

Publication Number Publication Date
IT8521142A0 IT8521142A0 (it) 1985-06-13
IT1235237B true IT1235237B (it) 1992-06-26

Family

ID=26287887

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8521142A IT1235237B (it) 1984-06-19 1985-06-13 Perfezionamento apportato al margine di pompaggio di un compressore a flusso assiale.

Country Status (4)

Country Link
CA (1) CA1314486C (it)
DE (1) DE3521798C2 (it)
FR (1) FR2669687B1 (it)
IT (1) IT1235237B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104220758A (zh) * 2012-04-19 2014-12-17 斯奈克玛 包括具有优化的上游形状的腔体的压缩机壳体

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6231301B1 (en) * 1998-12-10 2001-05-15 United Technologies Corporation Casing treatment for a fluid compressor
DE10135003C1 (de) * 2001-07-18 2002-10-02 Mtu Aero Engines Gmbh Verdichtergehäusestruktur
DE10205363A1 (de) * 2002-02-08 2003-08-21 Rolls Royce Deutschland Gasturbine
FR2882112B1 (fr) * 2005-02-16 2007-05-11 Snecma Moteurs Sa Prelevement en tete des roues mobiles de compresseur haute pression de turboreacteur
DE102007037924A1 (de) * 2007-08-10 2009-02-12 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Ringkanalwandausnehmung
DE102008006739A1 (de) * 2008-01-30 2009-08-13 Daimler Ag Verdichtersystem für eine Brennstoffzellenanordnung, Brennstoffzellenanordnung und Verfahren zur Kontrolle
DE102008011644A1 (de) * 2008-02-28 2009-09-03 Rolls-Royce Deutschland Ltd & Co Kg Gehäusestrukturierung für Axialverdichter im Nabenbereich
DE102011006273A1 (de) 2011-03-28 2012-10-04 Rolls-Royce Deutschland Ltd & Co Kg Rotor einer Axialverdichterstufe einer Turbomaschine
DE102011006275A1 (de) 2011-03-28 2012-10-04 Rolls-Royce Deutschland Ltd & Co Kg Stator einer Axialverdichterstufe einer Turbomaschine
DE102011007767A1 (de) 2011-04-20 2012-10-25 Rolls-Royce Deutschland Ltd & Co Kg Strömungsmaschine
FR3109959B1 (fr) * 2020-05-06 2022-04-22 Safran Helicopter Engines Compresseur de turbomachine comportant une paroi fixe pourvue d’un traitement de forme
CN114576205B (zh) * 2022-03-14 2023-11-28 中国航发湖南动力机械研究所 一种带模式转换的高效自循环处理机匣

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893787A (en) * 1974-03-14 1975-07-08 United Aircraft Corp Centrifugal compressor boundary layer control
GB1518293A (en) * 1975-09-25 1978-07-19 Rolls Royce Axial flow compressors particularly for gas turbine engines
GB2017228B (en) * 1977-07-14 1982-05-06 Pratt & Witney Aircraft Of Can Shroud for a turbine rotor
JPS6318799Y2 (it) * 1980-12-02 1988-05-26
US4479755A (en) * 1982-04-22 1984-10-30 A/S Kongsberg Vapenfabrikk Compressor boundary layer bleeding system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104220758A (zh) * 2012-04-19 2014-12-17 斯奈克玛 包括具有优化的上游形状的腔体的压缩机壳体
CN104220758B (zh) * 2012-04-19 2016-04-13 斯奈克玛 包括具有优化的上游形状的腔体的压缩机壳体

Also Published As

Publication number Publication date
FR2669687B1 (fr) 1994-07-01
DE3521798C2 (de) 1993-12-09
DE3521798A1 (de) 1992-08-27
IT8521142A0 (it) 1985-06-13
FR2669687A1 (fr) 1992-05-29
CA1314486C (en) 1993-03-16

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970530