FR2296815A1 - Perfectionnement aux dispositifs de pulsion d'air dans les compartiments de faible volume et grande occupation - Google Patents

Perfectionnement aux dispositifs de pulsion d'air dans les compartiments de faible volume et grande occupation

Info

Publication number
FR2296815A1
FR2296815A1 FR7443614A FR7443614A FR2296815A1 FR 2296815 A1 FR2296815 A1 FR 2296815A1 FR 7443614 A FR7443614 A FR 7443614A FR 7443614 A FR7443614 A FR 7443614A FR 2296815 A1 FR2296815 A1 FR 2296815A1
Authority
FR
France
Prior art keywords
impeller
centrifugal fan
box
false ceiling
railway carriages
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.)
Granted
Application number
FR7443614A
Other languages
English (en)
French (fr)
Other versions
FR2296815B1 (enExample
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.)
Neu SA
Original Assignee
Neu SA
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 Neu SA filed Critical Neu SA
Priority to FR7443614A priority Critical patent/FR2296815A1/fr
Publication of FR2296815A1 publication Critical patent/FR2296815A1/fr
Application granted granted Critical
Publication of FR2296815B1 publication Critical patent/FR2296815B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR7443614A 1974-12-31 1974-12-31 Perfectionnement aux dispositifs de pulsion d'air dans les compartiments de faible volume et grande occupation Granted FR2296815A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7443614A FR2296815A1 (fr) 1974-12-31 1974-12-31 Perfectionnement aux dispositifs de pulsion d'air dans les compartiments de faible volume et grande occupation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7443614A FR2296815A1 (fr) 1974-12-31 1974-12-31 Perfectionnement aux dispositifs de pulsion d'air dans les compartiments de faible volume et grande occupation

Publications (2)

Publication Number Publication Date
FR2296815A1 true FR2296815A1 (fr) 1976-07-30
FR2296815B1 FR2296815B1 (enExample) 1978-09-29

Family

ID=9146927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7443614A Granted FR2296815A1 (fr) 1974-12-31 1974-12-31 Perfectionnement aux dispositifs de pulsion d'air dans les compartiments de faible volume et grande occupation

Country Status (1)

Country Link
FR (1) FR2296815A1 (enExample)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2296815B1 (enExample) 1978-09-29

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