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FR1052091A - Improvements made to a fan, in particular for cinema projection equipment - Google Patents

Improvements made to a fan, in particular for cinema projection equipment

Info

Publication number
FR1052091A
FR1052091A FR1052091DA FR1052091A FR 1052091 A FR1052091 A FR 1052091A FR 1052091D A FR1052091D A FR 1052091DA FR 1052091 A FR1052091 A FR 1052091A
Authority
FR
France
Prior art keywords
fan
improvements made
projection equipment
cinema projection
cinema
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.)
Paillard SA
Original Assignee
Paillard 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 Paillard SA filed Critical Paillard SA
Application granted granted Critical
Publication of FR1052091A publication Critical patent/FR1052091A/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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/287—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps with adjusting means
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • F04D29/362—Blade mountings adjustable during rotation
    • F04D29/364—The blades having only a predetermined number of possible positions
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1052091D 1951-05-29 1952-03-05 Improvements made to a fan, in particular for cinema projection equipment Expired FR1052091A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1052091X 1951-05-29

Publications (1)

Publication Number Publication Date
FR1052091A true FR1052091A (en) 1954-01-21

Family

ID=4554887

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1052091D Expired FR1052091A (en) 1951-05-29 1952-03-05 Improvements made to a fan, in particular for cinema projection equipment

Country Status (1)

Country Link
FR (1) FR1052091A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131686A3 (en) * 1983-07-11 1985-09-25 Veb Kombinat Fortschritt Landmaschinen Chopper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131686A3 (en) * 1983-07-11 1985-09-25 Veb Kombinat Fortschritt Landmaschinen Chopper

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