NL899C - Device for reporting changes in the gaseous state of the atmosphere in which the under- or overpressure created by the diffusion of the gases through a porous body is used to give a signal - Google Patents

Device for reporting changes in the gaseous state of the atmosphere in which the under- or overpressure created by the diffusion of the gases through a porous body is used to give a signal

Info

Publication number
NL899C
NL899C NL4582A NL4582A NL899C NL 899 C NL899 C NL 899C NL 4582 A NL4582 A NL 4582A NL 4582 A NL4582 A NL 4582A NL 899 C NL899 C NL 899C
Authority
NL
Netherlands
Prior art keywords
gases
diffusion
atmosphere
give
signal
Prior art date
Application number
NL4582A
Other languages
Dutch (nl)
Original Assignee
Firma Schoeller & Co Elektrotechnische Fabrik
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 Firma Schoeller & Co Elektrotechnische Fabrik filed Critical Firma Schoeller & Co Elektrotechnische Fabrik
Application granted granted Critical
Publication of NL899C publication Critical patent/NL899C/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
    • G01N7/10—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Fluid Pressure (AREA)
NL4582A 1914-01-12 1914-04-25 Device for reporting changes in the gaseous state of the atmosphere in which the under- or overpressure created by the diffusion of the gases through a porous body is used to give a signal NL899C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1914292211 DE292211C (en) 1914-01-12 1914-01-12 Device for automatically identifying gaseous changes in the atmosphere by means of a diffusion chamber covered by a porous plate

Publications (1)

Publication Number Publication Date
NL899C true NL899C (en) 1915-11-01

Family

ID=85641804

Family Applications (1)

Application Number Title Priority Date Filing Date
NL4582A NL899C (en) 1914-01-12 1914-04-25 Device for reporting changes in the gaseous state of the atmosphere in which the under- or overpressure created by the diffusion of the gases through a porous body is used to give a signal

Country Status (3)

Country Link
DE (1) DE292211C (en)
GB (1) GB191411721A (en)
NL (1) NL899C (en)

Also Published As

Publication number Publication date
DE292211C (en) 1916-05-30
GB191411721A (en) 1915-08-05

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