FR46214E - Device for the filtration of harmful gases, with control of the efficiency of this filtration and safety scrubber - Google Patents

Device for the filtration of harmful gases, with control of the efficiency of this filtration and safety scrubber

Info

Publication number
FR46214E
FR46214E FR46214DA FR46214E FR 46214 E FR46214 E FR 46214E FR 46214D A FR46214D A FR 46214DA FR 46214 E FR46214 E FR 46214E
Authority
FR
France
Prior art keywords
filtration
efficiency
control
harmful gases
scrubber
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
Fernez Andre Maurice
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 FR46214E publication Critical patent/FR46214E/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
FR46214D 1934-12-17 1934-12-17 Device for the filtration of harmful gases, with control of the efficiency of this filtration and safety scrubber Expired FR46214E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR46214T 1934-12-17

Publications (1)

Publication Number Publication Date
FR46214E true FR46214E (en) 1936-04-02

Family

ID=8681866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR46214D Expired FR46214E (en) 1934-12-17 1934-12-17 Device for the filtration of harmful gases, with control of the efficiency of this filtration and safety scrubber

Country Status (1)

Country Link
FR (1) FR46214E (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572725A (en) * 1983-12-30 1986-02-25 Nippon Air Brake Co., Ltd. Air dryer device
US4684380A (en) * 1984-12-14 1987-08-04 Dragerwerk Ag Colorimetric indicator for the indication of the exhaustion of gas filters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572725A (en) * 1983-12-30 1986-02-25 Nippon Air Brake Co., Ltd. Air dryer device
US4684380A (en) * 1984-12-14 1987-08-04 Dragerwerk Ag Colorimetric indicator for the indication of the exhaustion of gas filters

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