FR816647A - Warning device operating according to the conductivity of a liquid - Google Patents

Warning device operating according to the conductivity of a liquid

Info

Publication number
FR816647A
FR816647A FR816647DA FR816647A FR 816647 A FR816647 A FR 816647A FR 816647D A FR816647D A FR 816647DA FR 816647 A FR816647 A FR 816647A
Authority
FR
France
Prior art keywords
conductivity
liquid
warning device
device operating
operating according
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)
Inventor
Andre Rousseau
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 filed Critical
Application granted granted Critical
Publication of FR816647A publication Critical patent/FR816647A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/42Applications, arrangements, or dispositions of alarm or automatic safety devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR816647D 1937-01-21 1937-01-21 Warning device operating according to the conductivity of a liquid Expired FR816647A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR816647T 1937-01-21

Publications (1)

Publication Number Publication Date
FR816647A true FR816647A (en) 1937-08-12

Family

ID=9267905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR816647D Expired FR816647A (en) 1937-01-21 1937-01-21 Warning device operating according to the conductivity of a liquid

Country Status (1)

Country Link
FR (1) FR816647A (en)

Similar Documents

Publication Publication Date Title
FR856919A (en) Coupling device liable to be interrupted
CH260723A (en) Device for the production of sawtooth oscillations.
FR816647A (en) Warning device operating according to the conductivity of a liquid
FR837918A (en) Device for the continuous detection of the variation of opacity or color of a liquid
FR818317A (en) Liquid level indicator device
FR48636E (en) New assembly device
FR824853A (en) Device for gasifying liquids with carbonic acid
FR825288A (en) Monitoring device, intended in particular for electric devices isolated by means of a liquid
FR60353E (en) Liquid boiling warning device
FR851679A (en) Lock nut device
FR844440A (en) Fuel gauge device
FR831327A (en) Lock nut device
FR841896A (en) Device for monitoring a liquid level
FR848512A (en) Adjustment device controlled by variations in the level of a liquid
FR858671A (en) Coupling device
FR833932A (en) Liquid soap
BE420678A (en) Stilt device
FR767662A (en) Device for spraying a liquid into the air
FR849722A (en) Hitching device for slope climbers
FR824265A (en) Device applicable to nuts to prevent unwanted loosening
FR843500A (en) Liquid meter
FR833475A (en) Deaerator placed on the path of a liquid pipeline
FR837404A (en) Modulator for warning devices
FR817284A (en) Integration device
FR824046A (en) Liquid lifting device