FR697420A - Ventilation device for electrical machines - Google Patents

Ventilation device for electrical machines

Info

Publication number
FR697420A
FR697420A FR697420DA FR697420A FR 697420 A FR697420 A FR 697420A FR 697420D A FR697420D A FR 697420DA FR 697420 A FR697420 A FR 697420A
Authority
FR
France
Prior art keywords
ventilation device
electrical machines
machines
electrical
ventilation
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.)
MOTEURS CHARLES ROULLAND
Original Assignee
MOTEURS CHARLES ROULLAND
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 MOTEURS CHARLES ROULLAND filed Critical MOTEURS CHARLES ROULLAND
Application granted granted Critical
Publication of FR697420A publication Critical patent/FR697420A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
FR697420D 1930-06-14 1930-06-14 Ventilation device for electrical machines Expired FR697420A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR697420T 1930-06-14

Publications (1)

Publication Number Publication Date
FR697420A true FR697420A (en) 1931-01-16

Family

ID=9047139

Family Applications (1)

Application Number Title Priority Date Filing Date
FR697420D Expired FR697420A (en) 1930-06-14 1930-06-14 Ventilation device for electrical machines

Country Status (1)

Country Link
FR (1) FR697420A (en)

Similar Documents

Publication Publication Date Title
FR726422A (en) Device for limit steam generators
FR716897A (en) Compensating device for twisting machines
FR711544A (en) Advanced device for the penis
FR697420A (en) Ventilation device for electrical machines
FR713785A (en) Device for interrupting electrical circuits
FR704672A (en) Ventilation device for talking machine movements
FR707612A (en) Anti-glare device for headlights
FR704356A (en) Switch device for electric milking machines
FR637254A (en) Forced ventilation device for electrical machines
FR726208A (en) Receiving device for television
FR705129A (en) Gearshift-declutching device for motorcycles
FR659452A (en) Cooling device for electrical machines
FR578490A (en) Device for repairing telegraph poles
FR719386A (en) Device for vulcanizing machines
FR721721A (en) Projection device for advertising
FR688973A (en) Starting device
FR671352A (en) Cooling device for insulated electrodes
FR721741A (en) Quick adjustment device for electric machines
AU2658930B (en) An improved pavement-advertising device
FR726477A (en) Winding device for electric clocks
FR696280A (en) Safety device for cinematographs
FR729308A (en) Electric machine adjustment device
DK46023C (en) Device for potato-laying machines.
FR716808A (en) Advanced device for checking change
FR725457A (en) Indicator device for polycylindrical motors