EP4027068A1 - Anlage um kreuzansteckung von menschen in einem raum zu begrenzen und filtervorrichtung für eine solche anlage - Google Patents

Anlage um kreuzansteckung von menschen in einem raum zu begrenzen und filtervorrichtung für eine solche anlage Download PDF

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Publication number
EP4027068A1
EP4027068A1 EP22460003.1A EP22460003A EP4027068A1 EP 4027068 A1 EP4027068 A1 EP 4027068A1 EP 22460003 A EP22460003 A EP 22460003A EP 4027068 A1 EP4027068 A1 EP 4027068A1
Authority
EP
European Patent Office
Prior art keywords
air
filtering device
room
treated
distributive
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.)
Withdrawn
Application number
EP22460003.1A
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English (en)
French (fr)
Inventor
Robert FRET
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP4027068A1 publication Critical patent/EP4027068A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0236—Ducting arrangements with ducts including air distributors, e.g. air collecting boxes with at least three openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, 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
    • F24F8/108—Treatment, 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 using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, 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
    • F24F8/15—Treatment, 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 chemical means
    • F24F8/158—Treatment, 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 chemical means using active carbon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/38—Personalised air distribution

Definitions

  • the subject of the invention in an installation limiting viral cross contamination of persons in a room - especially inside a public utility building constituting a separate respiratory air installation protecting the persons in such a room against viral cross contamination.
  • a filtering device treating breathable air for such an installation is also the subject of the invention.
  • the installation and the device according to the invention may be used in various kinds of rooms such as: bureaus, offices, schools, production halls, service undertakings, cinemas, theatres, restaurants, shops, indoor sports facilities, hospitals, churches and others.
  • the particles of the naturally occurring microbiological contaminants mentioned above do not exceed 1 micron and constitute 90% of all particles suspended in the air.
  • Ventilation which is responsible for the exchange of air inside buildings often cooperates with the air-conditioning system.
  • the basic function of air-conditioning is air temperature adjustment in a room in order to ensure optimum conditions for being inside and breathing, irrespective of the season of the year. Most frequently air conditioning is used to cool the enclosed space in summer and to heat it in the colder seasons.
  • the advanced solutions for ventilation and air conditioning systems in higher quality enclosed spaces cannot only cool/heat air, but also moisturize and purify it thanks to filters trapping dust, smoke, bacteria, viruses, fungi, animal hair and odors.
  • the aim of the invention is to work out an installation limiting viral cross contamination of persons inside a building - especially indoor public places.
  • the aim of the invention is also to work out a filtering device for the treatment of breathable air which is appropriated for such an installation.
  • the installation limiting viral cross contamination of persons in a room - especially an indoor public place is characterized in that it contains at least a filtering device treating breathable air adapted for drawing and filtering the air from the inside or the outside of the room which is connected to a system distributing treated air, individually for each person in the room, whereas, the system distributing treated air consists of at least one main air trunk line, which via distributive tees or distributive crosses is connected to the lateral air trunk lines,whereas, the distributive tees on the lateral trunk lines and the distributive tees and distributive crosses on the main trunk lines are connected to air connection nozzles via adjustable valves.
  • at least one air inlet valve operated manually or via an actuator is installed on one inlet to the filtering device.
  • connection nozzles of the system distributing treated air have built-in air glands.
  • the filtering device for the installation limiting viral cross contamination of persons in a room - especially an indoor public place is characterized in that it consists of at least a casing equipped with at least one air inlet and at least one treated air outlet and a control panel, whereas, inside the casing there is a set of filters consisting of at least an air filter for the initial air purification, a blower, an antivirus air filter and a specialist air filter containing an absorber with activated charcoal and moreover the device is preferably equipped with agents for additional treatment of air.
  • the device contains ultra-violet (UV-C) flow lamps functioning as an agent for additional treatment of air.
  • UV-C ultra-violet
  • a nozzle supplying a moisturizing agent appropriated for the inhalation of air is inserted into the interior of the casing as an agent for additional treatment of air.
  • a nozzle supplying oxygen is inserted into the interior of the casing as an agent for additional treatment of air.
  • a sensor detecting pressure of the treated air installed at the end of the draft where air is treated.
  • a sensor detecting the carbon monoxide content installed at the end of the draft where air is treated.
  • a sensor detecting the oxygen content in the treated air is a heat exchanger for heating or cooling treated air.
  • a sensor detecting the temperature of the treated air is a sensor detecting the temperature of the treated air.
  • figure 1 presents the installation limiting viral cross contamination of persons in a room - especially an indoor public place taking air in from the interior of the room and the filtering device treating breathable air which is a part of this installation
  • figure 2 presents the same installation in the second embodiment where air is drawn from the environment outside the room and treated in a range necessary for breathing and distributed individually for breathing for each person
  • the device additionally contains an exchanger system of warm and cold air
  • figure 3 presents the installation in the third embodiment where air is drawn directly from the interior of the room, as well as, from the environment outside the room and treated in a range necessary for breathing and distributed individually for breathing for each person.
  • the installation limiting viral cross contamination of persons in a room - especially in an indoor public space consists of a filtering device 1 drawing air directly from the interior of the room and treating the incoming air in the range indispensable for breathing and consists of a system of distributing the treated air 2 individually for each person.
  • the system of distributing the treated air 2 consists of two main air trunk lines 2.1 and distributive tees 2.3 and distributive crosses 2.4 redistributing the air into respective lateral trunk lines 2.2.
  • Distributive tees 2.10 and distributive crosses 2.11 are directly connected to the main trunk lines 2.1 and distributive tees 2.5 taking air out to the valves 2.6 operated manually by handwheels 2.7 with connection nozzles 2.8 with built-in glands 2.9 limiting the maximum air volume per person are directly connected to lateral trunk lines.
  • the system distributing treated air 2 provides treated breathable air individually for each person, after being connected to the connection nozzle 2.8 by means of additional equipment already known in the prior art and not shown in the drawing.
  • the filtering device 1 treating breathable air consists of a casing 1.1 equipped with one air inlet 1.6 placed inside the room and taking air in from its interior and two treated air outlets 1.8 and also a control panel 1.9. Inside the casing 1.1 there is a set of filters consisting of at least an air filter for initial purification 1.3 (minimum class F5), a blower 1.2, an antivirus air filter 1.4 and a specialist air filter 1.5 containing an absorber with activated charcoal and there are integrated agents for additional air treatment.
  • an air filter for initial purification 1.3 minimum class F5
  • a blower 1.2 an antivirus air filter 1.4
  • a specialist air filter 1.5 containing an absorber with activated charcoal and there are integrated agents for additional air treatment.
  • Air is taken in through the initial air purifying filter (pre-filter minimum class F5) 1.3 via the blower 1.2 from the interior of the room via the air intake nozzle 1.6, then air undergoes antiviral treatment via a fine filter (a highly efficient HEPA filter minimum class H14) 1.4 and qualitative treatment via a specialist filter (absorber with activated charcoal) 1.5 and further moved to the system distributing treated air 2 via the air outlet nozzles 1.8.
  • the air outlet from the set of filters has integrated agents 1.20 for additional air treatment in the form of ultraviolet UV-C flow lamps which additionally decontaminate the air.
  • the air outlet from the filtering device 1 has an integrated overpressure sensor 1.12 determining the outlet air overpressure in [Pa], whereas, air overpressure in the air outlet nozzles 1.8 is maintained within the limits indispensable for breathing due to the volume change (change in revolutions) of the blower 1.2.
  • the outlet air from the filtering device 1 may additionally be moisturized with an inhalation agent (eg. a saline solution) by the feed nozzle 1.22 and enriched with oxygen via the feed nozzle 1.23.
  • an inhalation agent eg. a saline solution
  • the filtering device 1 is additionally equipped with heat exchangers for heating air 1.10 and cooling air 1.11 - additionally treating purified air in terms of the required temperature as a result of either heating or cooling and an additional temperature sensor 1.13 at the air outlet - determining the outlet air temperature, whereas, the air temperature is maintained within the limits necessary for breathing as a result of the readjustment of heat exchangers in terms of heating 1.10 or cooling 1.11 the outlet air.
  • Heat exchangers are situated behind the ultraviolet lamps 1.20.
  • the installation as in the first embodiment is adapted to take air in from the interior of the room and as in the second embodiment is adapted to take air in from the environment on the outside of the room.
  • the portion of the air drawn directly from the interior of the room by the air intake nozzle 1.6 and air taken from the environment on the outside of the room via the air intake nozzle 1.7 is controlled by the degree by which the air valves open, i.e. valve 1.14 on nozzle 1.6 and valve 1.15 on nozzle 1.7, whereas, the degree by which air valves 1.14 and 1.15 open is determined manually by handwheels 1.21 and 1.22 respectively or by electric actuators 1.16 and 1.17 respectively.
  • the filtering device 1 is additionally equipped with an additional air content sensor 1.18 at the air outlet - determining the oxygen content in the treated exhaust air, whereas, the oxygen content in the exhaust air is controlled within the limits indispensable for breathing as above by the degree by which the air valve opens, i.e. valve 1.15 on nozzle 1.7 taking air in from the environment on the outside of the room and valve 1.14 on nozzle 1.6 taking air in from the interior of the room respectively.
  • an additional air content sensor 1.19 can be installed at the air outlet from the filtering device 1 treating breathable air determining the occurrence of a toxic gas (carbon monoxide CO) in the treated outlet air, whereas, the occurrence of carbon monoxide in the air is signalled visually and acoustically on the control panel 1.9.
  • a toxic gas carbon monoxide CO
  • Electric supply, control and monitoring of the equipment of the filtering device 1 treating breathable air including: the blower 1.2, heat exchangers for heating 1.10 and for cooling 1.11, ultraviolet UV-C flow lamps 1.20, electric actuators for valves 1.16 and 1.17, the over-pressure sensor 1.12, the temperature sensor 1.13, the oxygen sensor 1.18 and the CO sensor 1.19 is carried out by the control panel 1.9 powered from an external power grid.
  • Components comprising the filtering device 1 treating the supplied air indispensable for breathing may not be enclosed in a common casing 1.1 but freely detached in separate casings tightly interconnected with each other.
  • the system distributing treated air 2 supplies treated breathable air individually for each person after being connected to the connection nozzle 2.8 via additional equipment not shown in the drawing.
  • the number of connectors 2.8 for taking treated air in by respective persons is limited by the technical parameters of the installation limiting viral cross contamination of persons in an indoor public space, including the efficiency of the filtering device 1 treating breathable air in the range of capacity [m3/h] and the obtained compression [Pa].
  • the use of the installation limiting viral cross contamination of persons in an enclosed space - especially an indoor public place and the filtering device treating breathable air according to the invention shall reduce the risk of viral cross contamination caused by persons breathing in this room, especially in cases when such persons are sitting, standing in close proximity to one another.
  • the above installation shall secure indoor public spaces more efficiently without the need for maintaining social distancing.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP22460003.1A 2021-01-12 2022-01-11 Anlage um kreuzansteckung von menschen in einem raum zu begrenzen und filtervorrichtung für eine solche anlage Withdrawn EP4027068A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL436649A PL436649A1 (pl) 2021-01-12 2021-01-12 Instalacja ograniczająca wzajemne zakażenie wirusologiczne osób przebywających w pomieszczeniu - zwłaszcza w pomieszczeniu użytku publicznego oraz urządzenie filtracyjne uzdatniające powietrze do oddychania dla takiej instalacji

Publications (1)

Publication Number Publication Date
EP4027068A1 true EP4027068A1 (de) 2022-07-13

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EP22460003.1A Withdrawn EP4027068A1 (de) 2021-01-12 2022-01-11 Anlage um kreuzansteckung von menschen in einem raum zu begrenzen und filtervorrichtung für eine solche anlage

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EP (1) EP4027068A1 (de)
PL (1) PL436649A1 (de)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6318113B1 (en) * 2000-06-12 2001-11-20 Hans F. Levy Personalized air conditioned system
US20080053126A1 (en) * 2006-09-01 2008-03-06 Airbus Deutschland Gmbh Aircraft Air-Conditioning System For The Individual Air Conditioning Of Regions Of An Aircraft Cabin With A Liquid Coolant
EP2096033A1 (de) * 2006-11-28 2009-09-02 Shimadzu Corporation Verfahren und system zur zuführung von klimatisierter luft in einem flugzeug
SE532486C2 (sv) * 2005-09-29 2010-02-02 Martela Oyj Arbetsstation med renande luftcirkulationsanläggning
CN104633782A (zh) * 2015-02-07 2015-05-20 青岛太美伟业环保科技有限公司 一种具有释放氧气功能的空气净化机及其方法
CN107062453A (zh) * 2017-04-01 2017-08-18 合肥梦飞电器有限公司 一种除湿功能的空气净化器
CN108087975A (zh) * 2017-12-15 2018-05-29 山东佳星环保科技有限公司 一种室内新风净化装置
US20190009912A1 (en) * 2015-08-31 2019-01-10 Tokuyama Corporation Method for air conditioning of aircraft, and air conditioning system therefor
CN111811079A (zh) * 2020-07-24 2020-10-23 深圳市中深装建设集团有限公司 一种手术室组合式空气洁净系统

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6318113B1 (en) * 2000-06-12 2001-11-20 Hans F. Levy Personalized air conditioned system
SE532486C2 (sv) * 2005-09-29 2010-02-02 Martela Oyj Arbetsstation med renande luftcirkulationsanläggning
US20080053126A1 (en) * 2006-09-01 2008-03-06 Airbus Deutschland Gmbh Aircraft Air-Conditioning System For The Individual Air Conditioning Of Regions Of An Aircraft Cabin With A Liquid Coolant
EP2096033A1 (de) * 2006-11-28 2009-09-02 Shimadzu Corporation Verfahren und system zur zuführung von klimatisierter luft in einem flugzeug
CN104633782A (zh) * 2015-02-07 2015-05-20 青岛太美伟业环保科技有限公司 一种具有释放氧气功能的空气净化机及其方法
US20190009912A1 (en) * 2015-08-31 2019-01-10 Tokuyama Corporation Method for air conditioning of aircraft, and air conditioning system therefor
CN107062453A (zh) * 2017-04-01 2017-08-18 合肥梦飞电器有限公司 一种除湿功能的空气净化器
CN108087975A (zh) * 2017-12-15 2018-05-29 山东佳星环保科技有限公司 一种室内新风净化装置
CN111811079A (zh) * 2020-07-24 2020-10-23 深圳市中深装建设集团有限公司 一种手术室组合式空气洁净系统

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