JPS57160000A - Velocity-type compressor - Google Patents

Velocity-type compressor

Info

Publication number
JPS57160000A
JPS57160000A JP4437381A JP4437381A JPS57160000A JP S57160000 A JPS57160000 A JP S57160000A JP 4437381 A JP4437381 A JP 4437381A JP 4437381 A JP4437381 A JP 4437381A JP S57160000 A JPS57160000 A JP S57160000A
Authority
JP
Japan
Prior art keywords
pressure
gas flow
main gas
outlet
velocity
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.)
Pending
Application number
JP4437381A
Other languages
Japanese (ja)
Inventor
Yasushi Furuya
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.)
Ebara Corp
Original Assignee
Ebara 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 Ebara Corp filed Critical Ebara Corp
Priority to JP4437381A priority Critical patent/JPS57160000A/en
Publication of JPS57160000A publication Critical patent/JPS57160000A/en
Pending 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE:To enhance the pressure recovery rate of a velocity-type compressor over a wide range by blowing gas upon the stream of a main gas flow between a blade outlet and a diffuser outlet so that the flowing angle of the main gas flow is changed. CONSTITUTION:Low pressure gas from an intake pipe 1 is applied with both pressure energy and velocity energy, is introduced into a diffuser 7 and then is led to the outlet of the compressor through a vortex chamber 23. A part of gas having its pressure raised in the vortex chamber 23 is led into a high pressure chamber 24 defined in a cover 2 via a through hole 11 and is jetted through nozzles 5 formed in the shroud side so that the part of high pressure gas is expanded to the outlet pressure of the impeller 4, and is blown upon and mixed with a main gas flow passing through the impeller 4. Accordingly, the flowing angle of the main gas flow is changed for guiding the main gas flow in a proper flowing direction, thereby the pressure recovery rate is improved over a wide range.
JP4437381A 1981-03-26 1981-03-26 Velocity-type compressor Pending JPS57160000A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4437381A JPS57160000A (en) 1981-03-26 1981-03-26 Velocity-type compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4437381A JPS57160000A (en) 1981-03-26 1981-03-26 Velocity-type compressor

Publications (1)

Publication Number Publication Date
JPS57160000A true JPS57160000A (en) 1982-10-02

Family

ID=12689697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4437381A Pending JPS57160000A (en) 1981-03-26 1981-03-26 Velocity-type compressor

Country Status (1)

Country Link
JP (1) JPS57160000A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007319367A (en) * 2006-05-31 2007-12-13 Koizumi Furnitech Corp Bunk bed
JP2010043648A (en) * 2006-07-13 2010-02-25 Mitsubishi Heavy Ind Ltd Compressor and its operation control method
CN104564831A (en) * 2014-12-26 2015-04-29 珠海格力电器股份有限公司 Diffuser structure applied to compressor
CN105298921A (en) * 2014-12-17 2016-02-03 北京航空航天大学 Inter-stage U-shaped mixing diffuser for two-stage centrifugal gas compressor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007319367A (en) * 2006-05-31 2007-12-13 Koizumi Furnitech Corp Bunk bed
JP2010043648A (en) * 2006-07-13 2010-02-25 Mitsubishi Heavy Ind Ltd Compressor and its operation control method
JP2012072775A (en) * 2006-07-13 2012-04-12 Mitsubishi Heavy Ind Ltd Compressor and method for operating and controlling the same
CN105298921A (en) * 2014-12-17 2016-02-03 北京航空航天大学 Inter-stage U-shaped mixing diffuser for two-stage centrifugal gas compressor
CN104564831A (en) * 2014-12-26 2015-04-29 珠海格力电器股份有限公司 Diffuser structure applied to compressor

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