EP2080908A3 - Radial compressor with removal and return of air in the casing - Google Patents

Radial compressor with removal and return of air in the casing Download PDF

Info

Publication number
EP2080908A3
EP2080908A3 EP09000446A EP09000446A EP2080908A3 EP 2080908 A3 EP2080908 A3 EP 2080908A3 EP 09000446 A EP09000446 A EP 09000446A EP 09000446 A EP09000446 A EP 09000446A EP 2080908 A3 EP2080908 A3 EP 2080908A3
Authority
EP
European Patent Office
Prior art keywords
casing
return
removal
air
radial compressor
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.)
Withdrawn
Application number
EP09000446A
Other languages
German (de)
French (fr)
Other versions
EP2080908A2 (en
Inventor
Carsten Clemen
Volker Dr. Gümmer
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 Deutschland Ltd and Co KG
Original Assignee
Rolls Royce Deutschland Ltd and Co KG
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 Deutschland Ltd and Co KG filed Critical Rolls Royce Deutschland Ltd and Co KG
Publication of EP2080908A2 publication Critical patent/EP2080908A2/en
Publication of EP2080908A3 publication Critical patent/EP2080908A3/en
Withdrawn legal-status Critical Current

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
    • F04D29/66—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F04D27/023—Details or means for fluid extraction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F04D27/0238—Details or means for fluid reinjection
    • 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
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • 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
    • F04D29/682—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid extraction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Die Erfindung bezieht sich auf einen Radialverdichter mit einem in einem Gehäuse 1 drehbar gelagerten Rotor 2, wobei eine Fluid-Spaltströmung zwischen dem Gehäuse 1 und dem Rotor 2 durch Ausnehmungen des Gehäuses 1 abgeleitet wird.

Figure imgaf001
The invention relates to a centrifugal compressor with a rotatably mounted in a housing 1 rotor 2, wherein a fluid gap flow between the housing 1 and the rotor 2 is derived by recesses of the housing 1.
Figure imgaf001
EP09000446A 2008-01-17 2009-01-14 Radial compressor with removal and return of air in the casing Withdrawn EP2080908A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008004834A DE102008004834A1 (en) 2008-01-17 2008-01-17 Radial compressor with removal and return of air at the housing

Publications (2)

Publication Number Publication Date
EP2080908A2 EP2080908A2 (en) 2009-07-22
EP2080908A3 true EP2080908A3 (en) 2011-07-13

Family

ID=40445875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09000446A Withdrawn EP2080908A3 (en) 2008-01-17 2009-01-14 Radial compressor with removal and return of air in the casing

Country Status (3)

Country Link
US (1) US20090238677A1 (en)
EP (1) EP2080908A3 (en)
DE (1) DE102008004834A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9157446B2 (en) 2013-01-31 2015-10-13 Danfoss A/S Centrifugal compressor with extended operating range
DE102015211270A1 (en) * 2015-06-18 2016-12-22 Bayerische Motoren Werke Aktiengesellschaft Turbocharger for a motor vehicle
US10570925B2 (en) 2015-10-27 2020-02-25 Pratt & Whitney Canada Corp. Diffuser pipe with splitter vane
CN109072930B (en) 2016-02-04 2021-08-13 丹佛斯公司 Centrifugal compressor and method of operating a centrifugal compressor
US20180135525A1 (en) * 2016-11-14 2018-05-17 Pratt & Whitney Canada Corp. Gas turbine engine tangential orifice bleed configuration
US10539073B2 (en) * 2017-03-20 2020-01-21 Chester L Richards, Jr. Centrifugal gas compressor
US10927761B2 (en) 2019-04-17 2021-02-23 General Electric Company Refreshing heat management fluid in a turbomachine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB635270A (en) * 1946-01-04 1950-04-05 Rateau Soc Improvements in or relating to centrifugal pumps and compressors
GB1043168A (en) * 1962-06-29 1966-09-21 Licentia Gmbh Improvements in or relating to turbo-compressors
US3901620A (en) * 1973-10-23 1975-08-26 Howell Instruments Method and apparatus for compressor surge control
JPH09310699A (en) * 1996-05-21 1997-12-02 Ishikawajima Harima Heavy Ind Co Ltd Centrifugal compressor
DE19823274C1 (en) * 1998-05-26 1999-10-14 Daimler Chrysler Ag Turbocharger for motor vehicle internal combustion engine
JP2003314496A (en) * 2002-04-18 2003-11-06 Ishikawajima Harima Heavy Ind Co Ltd Centrifugal compressor
US20050152775A1 (en) * 2004-01-14 2005-07-14 Concepts Eti, Inc. Secondary flow control system
WO2005121560A1 (en) * 2004-06-07 2005-12-22 Honeywell International Inc. Compressor apparatus with recirculation and method therefore

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643675A (en) 1970-01-02 1972-02-22 Lennart Wetterstad Method and device for providing a control of the velocity profile of the working medium in the inlet of flow medium
DE10355241A1 (en) 2003-11-26 2005-06-30 Rolls-Royce Deutschland Ltd & Co Kg Fluid flow machine with fluid supply
DE10355240A1 (en) 2003-11-26 2005-07-07 Rolls-Royce Deutschland Ltd & Co Kg Fluid flow machine with fluid removal
DE102004030597A1 (en) * 2004-06-24 2006-01-26 Rolls-Royce Deutschland Ltd & Co Kg Turbomachine with external wheel jet generation at the stator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB635270A (en) * 1946-01-04 1950-04-05 Rateau Soc Improvements in or relating to centrifugal pumps and compressors
GB1043168A (en) * 1962-06-29 1966-09-21 Licentia Gmbh Improvements in or relating to turbo-compressors
US3901620A (en) * 1973-10-23 1975-08-26 Howell Instruments Method and apparatus for compressor surge control
JPH09310699A (en) * 1996-05-21 1997-12-02 Ishikawajima Harima Heavy Ind Co Ltd Centrifugal compressor
DE19823274C1 (en) * 1998-05-26 1999-10-14 Daimler Chrysler Ag Turbocharger for motor vehicle internal combustion engine
JP2003314496A (en) * 2002-04-18 2003-11-06 Ishikawajima Harima Heavy Ind Co Ltd Centrifugal compressor
US20050152775A1 (en) * 2004-01-14 2005-07-14 Concepts Eti, Inc. Secondary flow control system
WO2005121560A1 (en) * 2004-06-07 2005-12-22 Honeywell International Inc. Compressor apparatus with recirculation and method therefore

Also Published As

Publication number Publication date
DE102008004834A1 (en) 2009-07-23
US20090238677A1 (en) 2009-09-24
EP2080908A2 (en) 2009-07-22

Similar Documents

Publication Publication Date Title
EP2080908A3 (en) Radial compressor with removal and return of air in the casing
EP2206928A3 (en) Supersonic compressor
EP2221488A3 (en) Diffuser
NZ584908A (en) Turbine assembly with plural blades of different diameter in reversed orientation
MX2014015725A (en) Diffuser for cable suspended dewatering pumping system.
EP2687676A3 (en) Compound cycle engine
WO2009018560A3 (en) Thrust and intake chamber for pump
EP2584199A3 (en) Motor-driven compressor
WO2012145287A3 (en) Submersible centrifugal pump for solids-laden fluid
EP2407670A3 (en) Electric pump
EP2163746A3 (en) Coupling turbochargers for passive pre-swirl counter-rotation
DE502007002365D1 (en) PUMP
EP1852613A3 (en) Vacuum pump with casing
EP2787171A3 (en) Blade grid with side wall contours and turbomachine
EP2423510A3 (en) Turbomachine with mixed-flow stage and method
EP2597270A3 (en) A Turbomachine Casing Assembly
EP2249041A3 (en) Sliding vane vacuum pump with an oil relief valve
EP2410130A3 (en) Fan outlet guide vanes of a turbofan engine
WO2014067988A3 (en) Rotary piston pump having direct drive
EP2204532A3 (en) Positive displacement gas turbine engine with parallel screw rotors
WO2013011105A3 (en) Multistage centrifugal turbomachine
WO2010017795A3 (en) Pump unit
CN103775377A (en) Torque flow pump hydraulic design method by adopting long-short vanes
CN2816434Y (en) Vortex-adding chamber structure for water pump
WO2012072068A4 (en) Coolant pump

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA RS

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA RS

AKY No designation fees paid
REG Reference to a national code

Ref country code: DE

Ref legal event code: R108

Effective date: 20120321

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20120114