FR359765A - Perfectionnements apportés aux anneaux de support de la cuirasse protectrice des lampes de sureté - Google Patents

Perfectionnements apportés aux anneaux de support de la cuirasse protectrice des lampes de sureté

Info

Publication number
FR359765A
FR359765A FR359765DA FR359765A FR 359765 A FR359765 A FR 359765A FR 359765D A FR359765D A FR 359765DA FR 359765 A FR359765 A FR 359765A
Authority
FR
France
Prior art keywords
improvements made
support rings
protective armor
safety lamps
lamps
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)
French (fr)
Inventor
Heinrich Friemann
Carl Wolf
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.)
HEINRICH FRIEMANN
Original Assignee
HEINRICH FRIEMANN
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 HEINRICH FRIEMANN filed Critical HEINRICH FRIEMANN
Application granted granted Critical
Publication of FR359765A publication Critical patent/FR359765A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L23/00—Non-electric hand-lamps for miners
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/38—Arrangements for feeding a single network from two or more generators or sources in parallel; Arrangements for feeding already energised networks from additional generators or sources in parallel
    • H02J3/40—Synchronisation of generators for connection to a network or to another generator
    • H02J3/42—Synchronisation of generators for connection to a network or to another generator with automatic parallel connection when synchronisation is achieved

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Engineering & Computer Science (AREA)
  • Motor And Converter Starters (AREA)
FR359765D 1905-10-28 1905-11-03 Perfectionnements apportés aux anneaux de support de la cuirasse protectrice des lampes de sureté Expired FR359765A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE359765X 1905-10-28

Publications (1)

Publication Number Publication Date
FR359765A true FR359765A (fr) 1906-04-04

Family

ID=3868391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR359765D Expired FR359765A (fr) 1905-10-28 1905-11-03 Perfectionnements apportés aux anneaux de support de la cuirasse protectrice des lampes de sureté

Country Status (2)

Country Link
CH (1) CH359765A (de)
FR (1) FR359765A (de)

Also Published As

Publication number Publication date
CH359765A (de) 1962-01-31

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