CH308314A - Device for the detection of foreign gases or suspended matter in air. - Google Patents

Device for the detection of foreign gases or suspended matter in air.

Info

Publication number
CH308314A
CH308314A CH308314DA CH308314A CH 308314 A CH308314 A CH 308314A CH 308314D A CH308314D A CH 308314DA CH 308314 A CH308314 A CH 308314A
Authority
CH
Switzerland
Prior art keywords
detection
air
suspended matter
foreign gases
foreign
Prior art date
Application number
Other languages
German (de)
Inventor
Heinrich Dr Draeger Otto
Original Assignee
Heinrich Dr Draeger Otto
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 Dr Draeger Otto filed Critical Heinrich Dr Draeger Otto
Publication of CH308314A publication Critical patent/CH308314A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/24—Suction devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/24—Suction devices
    • G01N2001/241—Bellows
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
CH308314D 1952-01-07 1952-12-13 Device for the detection of foreign gases or suspended matter in air. CH308314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED11305A DE1007523B (en) 1952-01-07 1952-01-07 Device for the detection of foreign gases or suspended matter in air

Publications (1)

Publication Number Publication Date
CH308314A true CH308314A (en) 1955-07-15

Family

ID=7033724

Family Applications (1)

Application Number Title Priority Date Filing Date
CH308314D CH308314A (en) 1952-01-07 1952-12-13 Device for the detection of foreign gases or suspended matter in air.

Country Status (3)

Country Link
CH (1) CH308314A (en)
DE (1) DE1007523B (en)
NL (1) NL77879C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2913283A1 (en) * 1979-04-03 1980-10-16 Draegerwerk Ag TEST TUBE FOR MEASURING CHROMATE AND CHROME ACID AEROSOLS IN AIR
DE3223742A1 (en) * 1982-06-25 1984-01-05 Drägerwerk AG, 2400 Lübeck TEST TUBE FOR SELECTIVE MEASUREMENT OF OIL FOGS
DE4214634C1 (en) * 1992-04-24 1993-10-07 Deutsch & Neumann Gmbh Pipette for suction of fluids - has closure in extension to rubber ball to allow air to flow only outwards

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1017597A (en) * 1961-09-21 1966-01-19 Drager Otto H Improvements in or relating to pumps for use in testing gases
DE3330578A1 (en) * 1983-08-22 1985-03-14 Auergesellschaft Gmbh, 1000 Berlin AIR CONVEYOR FOR GAS SPRAY TUBES
DE3822001C1 (en) * 1988-06-30 1989-12-07 Draegerwerk Ag, 2400 Luebeck, De

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE304495C (en) *
DE318363C (en) *
FR515464A (en) * 1920-05-14 1921-04-02 Cfcmug Method and device for measuring the consumption of a flammable liquid
DE708245C (en) * 1936-09-16 1941-07-16 Auergesellschaft Akt Ges Air delivery device for gas purging devices
DE722657C (en) * 1941-02-25 1942-07-16 Auergesellschaft Ag Air conveyor for gas purging devices

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2913283A1 (en) * 1979-04-03 1980-10-16 Draegerwerk Ag TEST TUBE FOR MEASURING CHROMATE AND CHROME ACID AEROSOLS IN AIR
DE3223742A1 (en) * 1982-06-25 1984-01-05 Drägerwerk AG, 2400 Lübeck TEST TUBE FOR SELECTIVE MEASUREMENT OF OIL FOGS
DE4214634C1 (en) * 1992-04-24 1993-10-07 Deutsch & Neumann Gmbh Pipette for suction of fluids - has closure in extension to rubber ball to allow air to flow only outwards

Also Published As

Publication number Publication date
NL77879C (en)
DE1007523B (en) 1957-05-02

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