FR415040A - Improvements in devices used for electric lighting, heating, cooling and ventilation of railroad cars and other vehicles - Google Patents

Improvements in devices used for electric lighting, heating, cooling and ventilation of railroad cars and other vehicles

Info

Publication number
FR415040A
FR415040A FR415040DA FR415040A FR 415040 A FR415040 A FR 415040A FR 415040D A FR415040D A FR 415040DA FR 415040 A FR415040 A FR 415040A
Authority
FR
France
Prior art keywords
ventilation
vehicles
cooling
heating
devices used
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.)
Stone J and Co Ltd
J Stone and Co Ltd
Original Assignee
Stone J and Co Ltd
J Stone and Co Ltd
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 Stone J and Co Ltd, J Stone and Co Ltd filed Critical Stone J and Co Ltd
Application granted granted Critical
Publication of FR415040A publication Critical patent/FR415040A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/16—Regulation of the charging current or voltage by variation of field
    • H02J7/22—Regulation of the charging current or voltage by variation of field due to variation of make-to-break ratio of intermittently-operating contacts, e.g. using Tirrill regulator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR415040D 1910-04-20 1910-04-20 Improvements in devices used for electric lighting, heating, cooling and ventilation of railroad cars and other vehicles Expired FR415040A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR415040T 1910-04-20

Publications (1)

Publication Number Publication Date
FR415040A true FR415040A (en) 1910-09-16

Family

ID=1458678

Family Applications (1)

Application Number Title Priority Date Filing Date
FR415040D Expired FR415040A (en) 1910-04-20 1910-04-20 Improvements in devices used for electric lighting, heating, cooling and ventilation of railroad cars and other vehicles

Country Status (1)

Country Link
FR (1) FR415040A (en)

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