IT8521142A0 - IMPROVEMENT MADE TO THE PUMPING MARGIN OF AN AXIAL FLOW COMPRESSOR. - Google Patents

IMPROVEMENT MADE TO THE PUMPING MARGIN OF AN AXIAL FLOW COMPRESSOR.

Info

Publication number
IT8521142A0
IT8521142A0 IT8521142A IT2114285A IT8521142A0 IT 8521142 A0 IT8521142 A0 IT 8521142A0 IT 8521142 A IT8521142 A IT 8521142A IT 2114285 A IT2114285 A IT 2114285A IT 8521142 A0 IT8521142 A0 IT 8521142A0
Authority
IT
Italy
Prior art keywords
axial flow
improvement made
flow compressor
pumping margin
margin
Prior art date
Application number
IT8521142A
Other languages
Italian (it)
Other versions
IT1235237B (en
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=IT8521142(A0) "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/en
Application granted granted Critical
Publication of IT1235237B publication Critical patent/IT1235237B/en

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
IT8521142A 1984-06-19 1985-06-13 IMPROVEMENT MADE TO THE PUMPING MARGIN OF AN AXIAL FLOW COMPRESSOR. IT1235237B (en)

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 true IT8521142A0 (en) 1985-06-13
IT1235237B IT1235237B (en) 1992-06-26

Family

ID=26287887

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8521142A IT1235237B (en) 1984-06-19 1985-06-13 IMPROVEMENT MADE TO THE PUMPING MARGIN OF AN AXIAL FLOW COMPRESSOR.

Country Status (4)

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

Families Citing this family (13)

* 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 (en) * 2001-07-18 2002-10-02 Mtu Aero Engines Gmbh Compressor housing structure in axially, through-flowing moving blade ring for use in pumps
DE10205363A1 (en) * 2002-02-08 2003-08-21 Rolls Royce Deutschland gas turbine
FR2882112B1 (en) * 2005-02-16 2007-05-11 Snecma Moteurs Sa HEAD SAMPLING OF HIGH PRESSURE COMPRESSOR MOBILE WHEELS FROM TURBOREACTOR
DE102007037924A1 (en) * 2007-08-10 2009-02-12 Rolls-Royce Deutschland Ltd & Co Kg Turbomachine with Ringkanalwandausnehmung
DE102008006739A1 (en) * 2008-01-30 2009-08-13 Daimler Ag Compressor system for a fuel cell assembly, fuel cell assembly and method of control
DE102008011644A1 (en) * 2008-02-28 2009-09-03 Rolls-Royce Deutschland Ltd & Co Kg Housing structuring for axial compressor in the hub area
DE102011006273A1 (en) 2011-03-28 2012-10-04 Rolls-Royce Deutschland Ltd & Co Kg Rotor of an axial compressor stage of a turbomachine
DE102011006275A1 (en) 2011-03-28 2012-10-04 Rolls-Royce Deutschland Ltd & Co Kg Stator of an axial compressor stage of a turbomachine
DE102011007767A1 (en) 2011-04-20 2012-10-25 Rolls-Royce Deutschland Ltd & Co Kg flow machine
FR2989742B1 (en) * 2012-04-19 2014-05-09 Snecma UPRIGHT CAVITY COMPRESSOR HOUSING OPTIMIZED
FR3109959B1 (en) * 2020-05-06 2022-04-22 Safran Helicopter Engines Turbomachine compressor comprising a fixed wall provided with a shaped treatment
CN114576205B (en) * 2022-03-14 2023-11-28 中国航发湖南动力机械研究所 Efficient self-circulation processing casing with mode conversion

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 (en) * 1980-12-02 1988-05-26
US4479755A (en) * 1982-04-22 1984-10-30 A/S Kongsberg Vapenfabrikk Compressor boundary layer bleeding system

Also Published As

Publication number Publication date
FR2669687B1 (en) 1994-07-01
DE3521798A1 (en) 1992-08-27
DE3521798C2 (en) 1993-12-09
IT1235237B (en) 1992-06-26
CA1314486C (en) 1993-03-16
FR2669687A1 (en) 1992-05-29

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970530