CH607933A5 - Filter, especially for air raid shelters - Google Patents

Filter, especially for air raid shelters

Info

Publication number
CH607933A5
CH607933A5 CH937576A CH937576A CH607933A5 CH 607933 A5 CH607933 A5 CH 607933A5 CH 937576 A CH937576 A CH 937576A CH 937576 A CH937576 A CH 937576A CH 607933 A5 CH607933 A5 CH 607933A5
Authority
CH
Switzerland
Prior art keywords
filter
layers
filter according
central part
walls
Prior art date
Application number
CH937576A
Other languages
English (en)
French (fr)
Inventor
Gerard Friedling
Marcel Chuard
Original Assignee
Schweizer Ag E
Inovel Sa
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 Schweizer Ag E, Inovel Sa filed Critical Schweizer Ag E
Priority to CH937576A priority Critical patent/CH607933A5/fr
Priority to FI772197A priority patent/FI772197A7/fi
Priority to SE7708410A priority patent/SE7708410L/xx
Publication of CH607933A5 publication Critical patent/CH607933A5/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0446—Means for feeding or distributing gases
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/04—Filters for breathing-protection purposes for gasproof shelters
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/91—Bacteria; Microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/41—Further details for adsorption processes and devices using plural beds of the same adsorbent in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
CH937576A 1976-07-22 1976-07-22 Filter, especially for air raid shelters CH607933A5 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH937576A CH607933A5 (en) 1976-07-22 1976-07-22 Filter, especially for air raid shelters
FI772197A FI772197A7 (enExample) 1976-07-22 1977-07-14
SE7708410A SE7708410L (sv) 1976-07-22 1977-07-21 Gasfilter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH937576A CH607933A5 (en) 1976-07-22 1976-07-22 Filter, especially for air raid shelters

Publications (1)

Publication Number Publication Date
CH607933A5 true CH607933A5 (en) 1978-12-15

Family

ID=4351334

Family Applications (1)

Application Number Title Priority Date Filing Date
CH937576A CH607933A5 (en) 1976-07-22 1976-07-22 Filter, especially for air raid shelters

Country Status (3)

Country Link
CH (1) CH607933A5 (enExample)
FI (1) FI772197A7 (enExample)
SE (1) SE7708410L (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0515870A1 (de) * 1991-05-25 1992-12-02 Drägerwerk Aktiengesellschaft Luftreinigungspatrone mit einem dehnbaren Folienbeutel für die Füllung
EP0689861A1 (de) * 1994-06-24 1996-01-03 Friatec Ag Keramik- Und Kunststoffwerke Gasfilter
WO2013008226A1 (en) * 2011-07-12 2013-01-17 Yarok Bair Protection Industries Ltd. Carbon filter device and air filter apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0515870A1 (de) * 1991-05-25 1992-12-02 Drägerwerk Aktiengesellschaft Luftreinigungspatrone mit einem dehnbaren Folienbeutel für die Füllung
EP0689861A1 (de) * 1994-06-24 1996-01-03 Friatec Ag Keramik- Und Kunststoffwerke Gasfilter
WO2013008226A1 (en) * 2011-07-12 2013-01-17 Yarok Bair Protection Industries Ltd. Carbon filter device and air filter apparatus

Also Published As

Publication number Publication date
SE7708410L (sv) 1978-01-23
FI772197A7 (enExample) 1978-01-23

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased