FR794442A - Filtre, destiné à servir en particulier pour l'aération des locaux - Google Patents

Filtre, destiné à servir en particulier pour l'aération des locaux

Info

Publication number
FR794442A
FR794442A FR794442DA FR794442A FR 794442 A FR794442 A FR 794442A FR 794442D A FR794442D A FR 794442DA FR 794442 A FR794442 A FR 794442A
Authority
FR
France
Prior art keywords
premises
ventilation
filter
intended
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
English (en)
Inventor
Otto Heinrich Drager
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 FR794442A publication Critical patent/FR794442A/fr
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/192Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR794442D 1935-04-27 1935-08-28 Filtre, destiné à servir en particulier pour l'aération des locaux Expired FR794442A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE794442X 1935-04-27

Publications (1)

Publication Number Publication Date
FR794442A true FR794442A (fr) 1936-02-17

Family

ID=6710513

Family Applications (1)

Application Number Title Priority Date Filing Date
FR794442D Expired FR794442A (fr) 1935-04-27 1935-08-28 Filtre, destiné à servir en particulier pour l'aération des locaux

Country Status (1)

Country Link
FR (1) FR794442A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706182A (en) * 1970-12-02 1972-12-19 Ray Sargent Anti-pollution apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706182A (en) * 1970-12-02 1972-12-19 Ray Sargent Anti-pollution apparatus

Similar Documents

Publication Publication Date Title
FR803101A (fr) Perfectionnement aux dispositifs d'épuration et de filtration
FR794442A (fr) Filtre, destiné à servir en particulier pour l'aération des locaux
FR812097A (fr) Perfectionnements aux châssis pour l'horticulture
FR780398A (fr) Filtre
FR801975A (fr) Perfectionnements apportés aux lunettes lumineuses
FR812810A (fr) Perfectionnements aux mécanismes pour calculer et indiquer les prix
FR800848A (fr) Filtre
FR746944A (fr) Filtre stérilisateur
FR759765A (fr) Pont d'échappement perfectionné pour montres
FR799977A (fr) Perfectionnements aux appareils pour l'ondulation des cheveux
FR792671A (fr) Filtre
FR806737A (fr) Lunettes pour aviateurs et autres applications
FR735169A (fr) Robinet filtre
FR795031A (fr) Perfectionnements apportés à l'ondulation permanente des cheveux
FR766742A (fr) Filtre pour l'essence et autres applications
FR815287A (fr) Perfectionnements à l'obtention de surfaces fortement réfléchissantes
FR784101A (fr) Ethers-sels d'hydroxy-cétoacides
FR810449A (fr) Perfectionnements aux lunettes, lorgnons et similaires
FR812832A (fr) Cure-dent
FR784421A (fr) Filtre pour la préparation d'infusions individuelles
FR46456E (fr) Filtre à air
FR802906A (fr) Filtre
FR811708A (fr) Filtre
FR791387A (fr) Perfectionnements aux articles pour fumeurs
FR799376A (fr) Indicateur d'alignement