FR525262A - Gas saving device - Google Patents

Gas saving device

Info

Publication number
FR525262A
FR525262A FR525262A FR525262DA FR525262A FR 525262 A FR525262 A FR 525262A FR 525262 A FR525262 A FR 525262A FR 525262D A FR525262D A FR 525262DA FR 525262 A FR525262 A FR 525262A
Authority
FR
France
Prior art keywords
saving device
gas saving
gas
saving
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
FR525262A
Other languages
French (fr)
Inventor
Louis Heusy
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.)
LOUIS HEUSY
Original Assignee
LOUIS HEUSY
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 LOUIS HEUSY filed Critical LOUIS HEUSY
Application granted granted Critical
Publication of FR525262A publication Critical patent/FR525262A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/01—Control of flow without auxiliary power
    • G05D7/0186—Control of flow without auxiliary power without moving parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
FR525262A 1920-09-30 1920-09-30 Gas saving device Expired FR525262A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR525262T 1920-09-30

Publications (1)

Publication Number Publication Date
FR525262A true FR525262A (en) 1921-09-17

Family

ID=8919938

Family Applications (1)

Application Number Title Priority Date Filing Date
FR525262A Expired FR525262A (en) 1920-09-30 1920-09-30 Gas saving device

Country Status (1)

Country Link
FR (1) FR525262A (en)

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