FR1179220A - Improved device for fans, especially large ones, comprising a diffuser - Google Patents

Improved device for fans, especially large ones, comprising a diffuser

Info

Publication number
FR1179220A
FR1179220A FR1179220DA FR1179220A FR 1179220 A FR1179220 A FR 1179220A FR 1179220D A FR1179220D A FR 1179220DA FR 1179220 A FR1179220 A FR 1179220A
Authority
FR
France
Prior art keywords
diffuser
fans
improved device
especially large
large ones
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
Application number
Other languages
French (fr)
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.)
TALALMANYOKAT ERTEKESITO VALL
Original Assignee
TALALMANYOKAT ERTEKESITO VALL
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 TALALMANYOKAT ERTEKESITO VALL filed Critical TALALMANYOKAT ERTEKESITO VALL
Application granted granted Critical
Publication of FR1179220A publication Critical patent/FR1179220A/en
Expired 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
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid
    • 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
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • 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
FR1179220D 1954-12-22 1955-09-14 Improved device for fans, especially large ones, comprising a diffuser Expired FR1179220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU1179220X 1954-12-22

Publications (1)

Publication Number Publication Date
FR1179220A true FR1179220A (en) 1959-05-21

Family

ID=11003310

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1179220D Expired FR1179220A (en) 1954-12-22 1955-09-14 Improved device for fans, especially large ones, comprising a diffuser

Country Status (1)

Country Link
FR (1) FR1179220A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438181A1 (en) * 1978-10-06 1980-04-30 Gen Motors Corp CONTROLLED FLOW GAS COMPRESSOR FOR A GAS TURBINE ENGINE
FR2564533A1 (en) * 1984-05-19 1985-11-22 Rolls Royce ARRANGEMENT FOR CONTROLLING "PUMPS" IN AN AXIAL COMPRESSOR.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438181A1 (en) * 1978-10-06 1980-04-30 Gen Motors Corp CONTROLLED FLOW GAS COMPRESSOR FOR A GAS TURBINE ENGINE
FR2564533A1 (en) * 1984-05-19 1985-11-22 Rolls Royce ARRANGEMENT FOR CONTROLLING "PUMPS" IN AN AXIAL COMPRESSOR.

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