FR1112352A - Ventilateur à hélices contre-rotatoires - Google Patents

Ventilateur à hélices contre-rotatoires

Info

Publication number
FR1112352A
FR1112352A FR1112352DA FR1112352A FR 1112352 A FR1112352 A FR 1112352A FR 1112352D A FR1112352D A FR 1112352DA FR 1112352 A FR1112352 A FR 1112352A
Authority
FR
France
Prior art keywords
counter
propeller fan
rotating propeller
rotating
fan
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
English (en)
Inventor
Theodore Oniga
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.)
MATEMINE
Original Assignee
MATEMINE
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 MATEMINE filed Critical MATEMINE
Application granted granted Critical
Publication of FR1112352A publication Critical patent/FR1112352A/fr
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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
    • F04D25/045—Units comprising pumps and their driving means the pump being fluid-driven the pump wheel carrying the fluid driving means, e.g. turbine blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/024—Multi-stage pumps with contrarotating parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1112352D 1949-11-05 1949-11-05 Ventilateur à hélices contre-rotatoires Expired FR1112352A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1112352T 1949-11-05

Publications (1)

Publication Number Publication Date
FR1112352A true FR1112352A (fr) 1956-03-13

Family

ID=9627227

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1112352D Expired FR1112352A (fr) 1949-11-05 1949-11-05 Ventilateur à hélices contre-rotatoires

Country Status (1)

Country Link
FR (1) FR1112352A (fr)

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