EP4182227A1 - Flux d'air filtrés/stérilisés contre les virus et dirigés vers des passagers dans un véhicule - Google Patents

Flux d'air filtrés/stérilisés contre les virus et dirigés vers des passagers dans un véhicule

Info

Publication number
EP4182227A1
EP4182227A1 EP21842502.3A EP21842502A EP4182227A1 EP 4182227 A1 EP4182227 A1 EP 4182227A1 EP 21842502 A EP21842502 A EP 21842502A EP 4182227 A1 EP4182227 A1 EP 4182227A1
Authority
EP
European Patent Office
Prior art keywords
air
return
vents
virus
passenger seats
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.)
Pending
Application number
EP21842502.3A
Other languages
German (de)
English (en)
Inventor
Samuel Colt Meskimen
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.)
Thales Avionics Inc
Original Assignee
Thales Avionics Inc
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 Thales Avionics Inc filed Critical Thales Avionics Inc
Publication of EP4182227A1 publication Critical patent/EP4182227A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/0626—Arrangements of seats, or adaptations or details specially adapted for aircraft seats with individual temperature or ventilation control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/01—Pretreatment of the gases prior to electrostatic precipitation
    • B03C3/016—Pretreatment of the gases prior to electrostatic precipitation by acoustic or electromagnetic energy, e.g. ultraviolet light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/08—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/45—Collecting-electrodes
    • B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/74—Cleaning the electrodes
    • B03C3/80—Cleaning the electrodes by gas or solid particle blasting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5607—Heating or ventilating devices characterised by convection
    • B60N2/5621—Heating or ventilating devices characterised by convection by air
    • B60N2/565—Heating or ventilating devices characterised by convection by air sucked from the seat surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/75—Arm-rests
    • B60N2/79—Adaptations for additional use of the arm-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
    • B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/25—Rooms in buildings, passenger compartments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/14—Filtering means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/16—Connections to a HVAC unit
    • 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
    • B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/804—UV light
    • 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
    • B01D53/007—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 irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
    • B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
    • B64D2013/0603—Environmental Control Systems
    • B64D2013/0625—Environmental Control Systems comprising means for distribution effusion of conditioned air in the cabin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
    • B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
    • B64D2013/0603—Environmental Control Systems
    • B64D2013/0651—Environmental Control Systems comprising filters, e.g. dust filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
    • B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
    • B64D2013/0603—Environmental Control Systems
    • B64D2013/0655—Environmental Control Systems with zone or personal climate controls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
    • B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
    • B64D2013/0603—Environmental Control Systems
    • B64D2013/0688—Environmental Control Systems with means for recirculating cabin air
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/50—On board measures aiming to increase energy efficiency

Definitions

  • the present disclosure relates to vehicle systems for passenger comfort, and more particularly, air handling systems on a vehicle.
  • Airplanes use partially recycled air within the passenger cabin in order to reduce fuel consumption used for pressurizing outside air during flight to provide suitable cabin air.
  • the recycled air can transport many types of contaminates including bacteria and viruses between passengers.
  • Various embodiments of the present disclosure are directed to providing virus filtered and/or ("/") sterilized airflows to individual passenger seats.
  • the virus filtered and/or sterilized airflows are also referred to as "sterilized airflows" for brevity.
  • the sterilized airflows can be adapted to create substantially virus-reduced air regions surrounding passengers heads while seated, which would thereby protect the passengers from contaminates exhaled by other passengers.
  • virus filtered/sterilized airflows to individual passenger seats, greater recycling of cabin air can occur which decreases the mass flow rate outside air is pressurized for cabin use and decreases fuel consumption during flight.
  • a directed airflow assembly includes a virus filter/sterilization chamber, an air return duct, and an air supply duct.
  • the virus filter/sterilization chamber includes a cleaning device configured to receive return cabin air through an input duct, to sterilize the return cabin air, and to provide the sterilized air through an output duct.
  • the air return duct extends from air return vents in a seat surface of each of a plurality of passenger seats in a vehicle through a cabin of the vehicle to the input duct of the virus filter/sterilization chamber.
  • the air supply duct extends from the output duct of the virus filter/sterilization chamber through the cabin to the vehicle to air supply vents located to direct sterilized air toward each of the passenger seats.
  • Figure 1 illustrates a top view of an aircraft cabin with a directed airflow assembly configured according to some embodiments of the present disclosure
  • Figure 2A-C illustrate a side view of two rows of passenger seats with an aircraft cabin according to some embodiments of the present disclosure
  • Figure 2D illustrates a back view of passenger seats with an air return duct configured according to some embodiments of the present disclosure
  • Figures 3A-C illustrates a top angled view of a passenger seat with air return vents configured according to some embodiments of the present disclosure
  • Figure 4 illustrates a top view of an embodiment of a virus filter/sterilization chamber configured according to some embodiments of the present disclosure
  • Figure 5A illustrates a top view of another embodiment of a virus filter/sterilization chamber configured according to some embodiments of the present disclosure
  • Figure 5B illustrates a side cutout view of the virus filter/sterilization chamber of Figure 5A according to some embodiments of the present disclosure
  • Figure 5C illustrates a top view of a virus filter/sterilization chamber according to some embodiments of the present disclosure
  • Figure 6 illustrates a top view of a virus filter/sterilization chamber according to some embodiments of the present disclosure.
  • Figure 1 illustrates a top view of an aircraft cabin 1 with a directed airflow assembly configured according to some embodiments of the present disclosure.
  • the aircraft cabin 1 includes a plurality of passenger seats (e.g., first passenger seat 200A, second passenger seat 200B, and third passenger seat 200C) and a directed airflow assembly.
  • passenger seats e.g., first passenger seat 200A, second passenger seat 200B, and third passenger seat 200C
  • a directed airflow assembly e.g., first passenger seat 200A, second passenger seat 200B, and third passenger seat 200C
  • the directed airflow assembly includes a virus filter/sterilization chamber 100, air return ducts 40, and air supply ducts 10.
  • the virus filter/sterilization chamber 100 includes a virus filtering and/or sterilization device configured to receive return cabin air through an input duct, to sterilize the return cabin air, and to provide the virus filtered/sterilized air through an output duct.
  • the return cabin air is air within the cabin 1 and may be a mixture of virus filtered/sterilized air and unfiltered/unsterilized air.
  • the virus filter/sterilization chamber and the virus filtering and/or sterilization device are described further with reference to Figures 4-6 below.
  • the air return ducts 40 extends from air return vents in a seat surface of each of the plurality of passenger seats in the aircraft through the cabin 1 of the aircraft to the input duct of the virus filter/sterilization chamber 100.
  • the air return vents are configured to allow cabin air to be sucked therethrough into the air return ducts, where the air is directed to the input duct of the virus filter/sterilization chamber 100.
  • one of the air return ducts 40 extends along a row of the passenger seats (e.g., the row made up of the first passenger seat 200A, second passenger seat 200B, and third passenger seat 200C) and connects to a plurality of the air return vents located in the seat surfaces of those passenger seats in the row.
  • the first passenger seat 200A, second passenger seat 200B, and third passenger seat 200C each have an air return vent in a seat surface of each of the passenger seats and the air return duct 40 is connected to the air return vents of each seat.
  • the air return duct 40 then directs the return cabin air received through the connected air return vents, along the aircraft cabin 1 to the input duct of the virus filter/sterilization chamber 100 that may be located in the back of the aircraft cabin 1.
  • the first passenger seat 200A, second passenger seat 200B, and third passenger seat 200C each have an air return vent in a seat surface of each of the passenger seats and the air return duct 40 is connected to the air return vents of each seat.
  • the air return duct 40 then directs the return cabin air, that come into the air return vents, to the end of the row of the passenger seats and into the input duct of the virus filter/sterilization chamber 100 that may be located at the end of the row of passenger seats in the aircraft cabin 1.
  • virus filter/sterilization chamber configured to sterilize air for the aircraft cabin 1, for a passenger seat in the aircraft cabin 1, for a row of passenger seats in the aircraft cabin 1, for a column of passenger seats in the aircraft cabin 1, and/or for another associated grouping of passenger seats in the aircraft cabin 1.
  • the virus filter/sterilization chamber may be located in a galley, an overhead storage area, a cargo storage area, within a seat, underneath a seat, and/or at one or more other locations within an aircraft.
  • One or more air supply ducts 10 or branches thereof extend from the output duct of the virus filter/sterilization chamber 100 through the cabin 1 of the aircraft to air supply vents that may be located to separately direct virus filtered/sterilized air toward each of the passenger seats.
  • the air supply duct 10 is connected to the output duct of the virus filter/sterilization chamber 100 and may extend along the cabin 1 to provide virus filtered/sterilized air to each row, or each passenger seat, that is located within the cabin 1.
  • the directed airflow assembly further includes a fan connected to the air return duct 40.
  • the fan may be configured to pull in return cabin air through the air return vents at a rate that is equal to or greater than the rate that virus filtered/sterilized air is directed out of the air supply vents to reduce overpressure-based movement of air that is directed at, e.g., a headrest area of one seat toward the headrest area of another adjacent seat.
  • the directed airflow assembly further includes another fan connected to the air supply duct 10.
  • the other fan may be configured to push air out of the air supply vents at a rate that is equal to or less than the rate that the return cabin air is pulled in through the air return vents.
  • more than one fan may be used to pull in air through the air return vents or to push air out of the air supply vents. It should also be understood that a single fan may be configured to both pull in return cabin air through the air return vents and push virus filtered/sterilized air out of the air supply vents.
  • the air supply duct 10 and/or air return duct 40 may include at least one air filter within the ducts.
  • the at least one air filter operates to trap particles (e.g., dirt, dust, etc.), fibers (e.g., hair, clothing fibers, etc.), and other objects/materials that may be floating in the air and is pulled in by the air return vents.
  • the at least one air filter is a high efficiency particulate air (HEPA) filter, a fiberglass filter, polyester and pleated filter, etc.
  • HEPA high efficiency particulate air
  • the filters may be a combination of different types of filters or a combination of the same type of filters, and which can be arranged in a layered stack or spaced apart along the airflow conduit.
  • the filters may be a combination of different types of filters or a combination of the same type of filters, and which can be arranged in a layered stack or spaced apart along the airflow conduit.
  • one may be a HEPA filter and another may be a fiberglass filter arranged to pre-filter airflow before it passes through the HEPA filter.
  • both filters may be HEPA filters.
  • the filter may be removable, replaceable, and/or washable.
  • Figure 2A-C illustrate a side view of two rows of passenger seats with an aircraft cabin with air supply vents directing virus filtered/sterilized air toward the passenger seats.
  • an air supply vent 12 is blowing virus filtered/sterilized air received from the virus filter/sterilization chamber 100 downward between a first passenger seat 200A and an immediately adjacent second passenger seat 200B.
  • the air supply vent 12 may be located in a ceiling of the cabin and extend along the ceiling a distance at least half the length of an armrest and may be located to be aligned with the armrest of the second passenger seat 200B (e.g., the armrest between the first passenger seat 200A and the second passenger seat 200B) to create a downward moving curtain of virus filtered/sterilized air which may be primarily directed toward the armrest to function to substantially isolate the air being breathed by one passenger from the air being breathed by the adjacently seated passenger.
  • a plurality of air supply vents are each aligned with a different armrest of a row of the passenger seats or aligned with a headrest area of a row of the passenger seats (e.g., aligned with facial areas of respectfully seated passengers) to create a downward moving curtain of virus filtered/sterilized air that isolates adjacent passenger seat areas.
  • air supply vent 12A is aligned with the armrest between the first passenger seat 200A and second passenger seat 200B and air supply vent 12B is aligned with the armrest between the second passenger seat 200B and the third passenger seat 200C.
  • Air supply vents 12A and 12B each create a downward moving curtain of virus filtered/sterilized air which isolates the second passenger seat 200B from the adjacent first/third passenger seat 200A/200C.
  • a similar downward moving air curtain is created adjacent the third passenger seat 200C with air supply vent 12B and air supply vent 12C and may be created for the first passenger seat 200A with air supply vent 12A and air supply vent 16 (depicted in Figure 2C).
  • each row has the same or similar air supply vents.
  • the row of passenger seats, in front of the row of passenger seats including the first/second/third passenger seats 200A/200B/200C may have air supply vents 14A-C blowing air from the cabin ceiling above them and the air supply vents 14A-C may be the same or similar to air supply vents 12A-C respectively.
  • air return vents 400A are in a seat surface of each of a plurality of passenger seats in the aircraft.
  • the downward blown air from the air supply vents 12A-C is respectively collected by suction created in the air return vents 400A located on the passenger seats 200A/200B/200C (e.g., suction created by a return fan connected through ducts to the air return vents 400a).
  • the air return vents are located on a seat surface of a side of the armrest. Since the air supply vents 12A-C are located to direct the virus filtered/sterilized air between the seats toward the armrest of the passenger seats 200A/200B/200C and the air return vents 400A are located on the side of the armrest, the locations of the air supply vents 12A-C and the air return vents 400A relative to each of the passenger seats 200A/200B/200C create higher-pressure air zones in between the passenger seats 200A/200B/200C and above the armrest of each of the passenger seats 200A/200B/200C and spaced apart lower pressure air zones near the air return vents 400A on each of the passenger seats 200A/200B/200C.
  • the air supply vents 12A-C are located to direct the virus filtered/sterilized air toward headrest areas of respective seats and the air return vents 400A which would flow along the face and then torso areas of seated passengers and then be collected by the air return vents 400A to the virus filter/sterilization chamber 100 and/or exhausted outside the aircraft.
  • air return vents 400B on the cabin walls of the aircraft. These air return vents 400B may be located proximate to each of the plurality of passenger seats. For example, air return vents 400B may be located low on the cabin wall, a distance from the floor, and between each row of passenger seats.
  • These various embodiments may also increase the amount of recycled air that can be safely reused within the cabin of the aircraft. Increasing the amount of allowed recycled air reduces the fuel consumed to pressurize low-pressure ambient outside air during flight for use within the aircraft cabin.
  • a plurality of air supply vents 16 are each aligned with a different armrest of different ones of aisle passenger seats (e.g. first passenger seat 200A) to create a downward moving curtain of virus filtered/sterilized air that isolates the aisle passenger seats (e.g., first passenger seat 200A) from passengers traversing an aisle of the cabin.
  • the aisle of the cabin provides a passenger walkway path or gap between adjacent rows of seats in a vehicle (such as an aircraft). It should be understood that there may be any number of aisles in a cabin depending upon seat arrangements and passenger movement routes.
  • each air supply vent 16 is aligned with the armrest that is closest to the aisle in the cabin.
  • the virus filtered/sterilized air that is directed downward by the air supply vents 16 may be pulled in by the air return vents 400A (e.g., one or more fans located in the virus filter/sterilization chamber 100 and/or along the air return duct 40) that are located on a seat surface of the passenger seat (e.g., first passenger seat 200A).
  • Figure 2D illustrates a back view of passenger seats with an air return duct 40 configured according to some embodiments of the present disclosure.
  • air supply vents are directing virus filtered/sterilized air 22A-22C downward towards passenger seats where the virus filtered/sterilized air 22A-C mixes with possibly virus contaminated air creating return cabin air.
  • Air return vents may be located in a seat surface of the armrests 220A-C of the second/third passenger seats 200B/200C. The return cabin air is pulled into the air return vents and collects into the air return duct 40 where the return cabin air is directed into the cabin wall 44 and to an input duct of the virus filter/sterilization chamber.
  • the air return duct 40 is connected to air return vents in a seat surface of the armrests, the air return duct 40 may be additionally, or alternatively, connected to air return vents in other seat surfaces of the passenger seats.
  • the air return duct 40 extends along a row of the passenger seats and connects to a plurality of the air return vents located in the seat surfaces of the passenger seats in the row.
  • the air return duct 40 includes a pipe that is part of a structural support frame of the row of the passenger seats or the support frame of one of the passenger seats. In other embodiments, the air return duct includes a pipe that is connected to and supported by the support frame of the passenger seats in a row or supported by the support frame of one of the passenger seats.
  • the air return duct 40 extends to connect to air return vents located on passenger seats in a row so that the virus filter/sterilization chamber sterilizes the return cabin air from the row of the passenger seats.
  • each of the air supply vents may be adapted to receive and connect to a flexible hose fitting through conducts the virus filtered/sterilized airflows through a flexible hose that extends to a facemask worn by a passenger (e.g., attached to a passenger's head) or to a nozzle that is fixated near a passenger's face, e.g., clipped to the passenger's shirt, to direct the airflow toward the passenger's face.
  • the air return vents which can be located on the seat surfaces can then collect and return the contaminated air in a localized manner at each seat to avoid or reduce cross-set flow of contaminated air containing passenger exhaled air.
  • Figures 3A-C illustrates a top angled view of a passenger seat with air return vents configured according to some embodiments of the present disclosure.
  • the air return vents may be located in a seat surface of the armrest and/or in the headrest of the passenger seats.
  • air return vent 400A is located in a seat surface of a side of the armrest on passenger seat 200.
  • the air return vents 400B-C are located in a seat surface of a forward-facing portion of the headrest.
  • the air return vents 400E-F are located in a seat surface of a top facing portion of the headrest.
  • the vents 410A-B may be air supply vents that direct virus filtered/sterilized air outward on opposite sides of and next to a passenger's head that may be seated in the passenger seat 200.
  • the virus filtered/sterilized air would mix with passenger exhaled air and cabin air, and then the air return vent (e.g., air return vent 400A or air return vent 400G) would pull in the return cabin air into the air return duct (e.g., via a fan connected to the air return duct).
  • the vent 410A may be an air supply vent and vent 410B may be an air return vent.
  • the vent 410A that is an air supply vent may direct virus filtered/sterilized air outward next to a passenger's head that may be seated in the passenger seat 200, the virus filtered/sterilized air would mix with passenger exhaled air and cabin air, and then the vent 410B would pull in the return cabin air into the air return duct (e.g., via a fan connected to the air return duct). This would create a higher-pressure air zone on one side of a passenger's head and a lower-pressure air zone on the other side of the passenger's head.
  • vent 410A is an air supply vent
  • air return vent(s) (400A and 400G) in the armrests may pull in the return cabin air into the air return duct (e.g., via a fan connected to the air return duct).
  • Providing a filtered/sterilized airflow forced out of vents 410A and/or 410B and forced into vents 400G and/or 400A generates a higher pressure filtered/sterilized air region surrounding the passenger's head that then flows downward to a lower pressure region drawn into the armrest(s) for return.
  • This airflow configuration thereby advantageously functions to isolate the air which is exhaled by one passenger from the air which is inhaled by an adjacent seated passenger.
  • the portion of the headrest where the air return vents and/or air supply vents are located may be adjustable, as illustrated in Figure 3C.
  • the vent 410A may be located on a far-left portion of the headrest (as viewed in Fig. 3C) and may be adjusted, through rotation, flexing, or sliding of that portion of the headrest inward toward a right side of the headrest. This would allow the air return vent and/or air supply vent 410A to be adjusted to be closer in proximity to the passenger's head. This may provide an added benefit of more precise directional control of a filtered/sterilized air flow toward a passenger's face and/or more precise directional suction of air exhaled by the passenger.
  • the vents may be installed in openings containing speaker and/or where a speaker was previously installed. This may reduce manufacturing costs and/or reduce construction costs in installing air return vents and/or air supply vents in passenger seats.
  • each of the air supply vents are located to direct the virus filtered/sterilized air 22B toward a headrest area of one of the passenger seats (e.g., second passenger seat 200B). Additionally, the air return vents are spaced apart on the seat surface away from the headrest area. The locations of the air supply vents and the air return vents relative to each of the passenger seats create higher-pressure air zones at the headrest area of each of the passenger seats and spaced apart lower pressure air zones near the air return vents on each of the passenger seats.
  • an air return vent may direct virus filtered/sterilized air 22B toward a headrest area of the second passenger seat 200B.
  • the virus filtered/sterilized air 22B directs possibly virus contaminated air coming from a passenger seated in the second passenger seat 200B downward.
  • Air return vent 400A pulls in the mixture of virus filtered/sterilized air 22B and possibly virus contaminated air into the air return duct to be virus filtered/sterilized by the virus filter/sterilization chamber.
  • the air return vent(s) are located on at least one of: a seat armrest, underneath the seat having the headrest, and a seatback surface of another seat facing the headrest.
  • the seatback surface is a seat video display unit (SVDU), a tray on the seatback surface of the another seat facing the headrest, and/or elsewhere on the seatback surface of the another seat facing the headrest.
  • SVDU seat video display unit
  • Figure 4 illustrates a top view of an embodiment of a virus filter/sterilization chamber 340 that includes one or more UV light sources that operate to sterilize the return cabin air passing through the virus filter/sterilization chamber 340.
  • the virus filter/sterilization chamber 340 includes a reflectional area, at least one UV (ultraviolet) light source 380, and a virus filter/sterilization chamber air duct 344.
  • the reflectional area is configured to cause light (e.g., UV light, UV-C light, etc.) to be reflected within the reflectional area.
  • the reflectional area may be the entire inside portion of the virus filter/sterilization chamber 340, the inside portion of the virus filter/sterilization chamber air duct 344, and/or any portion of area within the virus filter/sterilization chamber 340 which is arranged to be exposed to incident UV light.
  • the at least one UV light source 380 is configured to emit high-intensity UV light that sterilizes the return cabin air that passes through the virus filter/sterilization chamber 340.
  • the UV light can be UV-A light, UV-B light, or UV-C light in order of increasing preference. This results in the air output of the virus filter/sterilization chamber being virus filtered/sterilized air.
  • the UV light source is a UV-C light source that emits UV-C light with a sufficient intensity to render inoperative substantially all or at least a majority of viruses (sterilize) during a time duration that the return cabin air remains within the virus filter/sterilization chamber 340.
  • the virus filter/sterilization chamber air duct 344 may be configured to extend along a meandering path through the reflectional area within the virus filter/sterilization chamber 340 and channels return cabin air that enters the input duct 342A of the virus filter/sterilization chamber through the meandering path to the output duct 342B of the virus filter/sterilization chamber.
  • Configuring air duct 344 to meander within the virus filter/sterilization chamber 340 can advantageously extend the amount of time that contaminants within the return cabin air are exposed to the UV light and increase the associated sterilization effectiveness.
  • the virus filter/sterilization chamber air duct 344 exposes the return cabin air that is directed through the virus filter/sterilization chamber 340 to the UV light to sterilize the air.
  • the virus filter/sterilization chamber air duct 344 may be formed from various materials and can include, without limitation, plastic, glass, and/or other material that allow UV light to pass through the material.
  • the virus filter/sterilization chamber air duct 344 may be formed from various materials such as, without limitation, plastic, glass, metal, and/or other material that is formed in connection to the UV light source(s) to allow the UV light source(s) to emit UV light directly onto the air that passes through the virus filter/sterilization chamber air duct 344.
  • the virus filter/sterilization chamber air duct 344 connected to the UV light source(s) forms an airtight pathway for the air to be pushed or pulled through.
  • the virus filter/sterilization chamber 340 may include a filter 370 on the input duct.
  • the filter 370 can be any type of air filter described above.
  • Figure 5A illustrates a top view of an embodiment of a virus filter/sterilization chamber 340 with electrostatic (ES) plates 382.
  • the virus filter/sterilization chamber 340 includes at least two ES plates 382 that are configured to allow the return cabin air that enters the virus filter/sterilization chamber 340 (through input duct 342A) to pass between the at least two ES plates 382 and out the output duct 342B.
  • the virus filter/sterilization chamber 340 can also include charger circuitry 600 that applies a positive or negative charge to each of the ES plates 382 and a virus filter/sterilization chamber air duct 344 that directs the return cabin air that enters the virus filter/sterilization chamber 340 through the input duct 342A to the output duct 342B of the virus filter/sterilization chamber 340.
  • the electrostatic plates become positively or negatively charged by the charger circuitry 600 to attract and trap viruses, bacteria, and other small particulate contaminants in the return cabin air.
  • a filter 370 may be used similar to Figure 4 described above.
  • Figure 5B illustrates a side cutout 800 view of the virus filter/sterilization chamber of Figure 5A.
  • the charger circuitry 600 applies a positive charge to at least one of the at least two ES plates 382 and applies a negative charge to the other at least one of the at least two ES plates 382.
  • the charger circuitry 600 applies a substantial positive charge to the ES plates 382 at the bottom of the virus filter/sterilization chamber 340 and applies a substantial negative charge to the ES plates 382 at the top of the virus filter/sterilization chamber 340 by applying a voltage potential therebetween.
  • the positively charged ES plates are arranged across from the negatively charged ES plates within the virus filter/sterilization chamber 340. This causes a static charge field and causes the particles in the return cabin air, passing between the positively/negatively charged ES plates, to be attracted to and trapped by the positively charged ES plates. The particles stick to the positively/negatively charged ES plates, resulting in sterilization of the return cabin air.
  • charger circuitry 600 may be used. Charger circuitry 600 can be used to positively charge some ES plates 382 while another charger circuitry negatively charges other ES plates 382. Alternatively, charger circuitry 600 can be used to positively and negatively charge some ES plates 382 and another charger circuitry 600 can be used to positively and negatively charge the other ES plates 382.
  • Figure 5C illustrates a top view of an embodiment of a virus filter/sterilization chamber with a high-pressure input 350 which we used for cleaning the virus filter/sterilization chamber.
  • the high-pressure input 350 is used to allow for high-pressure air to be directed into the virus filter/sterilization chamber 340 and directed outward (down) through the input duct 342A of the virus filter/sterilization chamber 340.
  • a high-pressure airflow source e.g., compressed air cannister
  • connection of the airflow source or initiation of high pressure airflow causes a flap 352 to pushed out of the way of the high- pressure input 350 and block the output duct 342B of the virus filter/sterilization chamber 340.
  • the flap 352 allows airflow into the output duct 342B toward the passenger direction nozzle.
  • Figure 6 illustrates a top view of another embodiment of a virus filter/sterilization chamber which combines one or more UV light sources and ES plates to generate a virus filtered/sterilized airflow, such as by combining various components of Figures 5A, 5B, and 5C.
  • a virus filter/sterilization chamber 340 includes a reflective area, at least one UV light source 380, at least two ES plates 382, charger circuitry 600, and a virus filter/sterilization chamber air duct 344.
  • the reflective area, at least one UV light source 380, and virus filter/sterilization chamber air duct 344 can be the same, or similar to, the ones described above with reference to Figure 4.
  • the at least two ES plates 382, charger circuitry 600, and virus filter/sterilization chamber air duct 344 can be the same, or similar to, the ones described above with reference to Figures 5A-5C.
  • ES plates 382 and UV light sources 380 By having both ES plates 382 and UV light sources 380, increased sterilization of the air flowing through the virus filter/sterilization chamber 340 can be achieved.
  • UV light source(s) can be effective at rapidly rendering inoperative some types of viruses and bacteria
  • ES plates can be more effective at rendering inoperative (trapping) other types of viruses and bacteria. Accordingly, the combined operation of UV light source(s) and ES plates can provide improved operation of the virus filter/sterilization chamber 340.
  • ES plates 382 and UV light sources 380 may be referred to as a virus filtering and/or sterilization device within the virus filter/sterilization chamber. Further Definitions and Embodiments:
  • the forward slash symbol “/” refers to “and/or” meaning that any one or both of the associated listed items occurs.
  • the term “and/or” (“/") includes any and all combinations of one or more of the associated listed items.
  • Coupled may include wirelessly coupled, connected, or responsive.
  • the singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise.
  • Well-known functions or constructions may not be described in detail for brevity and/or clarity.
  • the terms “comprise”, “comprising”, “comprises”, “include”, “including”, “includes”, “have”, “has”, “having”, or variants thereof are open-ended, and include one or more stated features, integers, elements, steps, components or functions but does not preclude the presence or addition of one or more other features, integers, elements, steps, components, functions or groups thereof.
  • the common abbreviation “e.g.”, which derives from the Latin phrase “exempli gratia” may be used to introduce or specify a general example or examples of a previously mentioned item, and is not intended to be limiting of such item.
  • the common abbreviation “i.e.”, which derives from the Latin phrase “id est,” may be used to specify a particular item from a more general recitation.
  • Example embodiments are described herein with reference to block diagrams and/or flowchart illustrations of computer-implemented methods, apparatus (systems and/or devices) and/or computer program products. It is understood that a block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by computer program instructions that are performed by one or more computer circuits.
  • These computer program instructions may be provided to a processor circuit of a general purpose computer circuit, special purpose computer circuit, and/or other programmable data processing circuit to produce a machine, such that the instructions, which execute via the processor of the computer and/or other programmable data processing apparatus, transform and control transistors, values stored in memory locations, and other hardware components within such circuitry to implement the functions/acts specified in the block diagrams and/or flowchart block or blocks, and thereby create means (functionality) and/or structure for implementing the functions/acts specified in the block diagrams and/or flowchart block(s).

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Abstract

La présente invention concerne des flux d'air filtrés et/ou stérilisés contre les virus, qui sont dirigés vers des sièges passagers individuels créant des zones où l'air est filtré/stérilisé contre les virus au niveau des sièges passagers. Les flux d'air filtrés/stérilisés dirigés protègent les passagers contre des virus et d'autres contaminants expirés par les passagers assis dans des sièges adjacents et permettent un meilleur recyclage de l'air de cabine, et une réduction associée de l'utilisation d'air extérieur mis sous pression pour l'utilisation en cabine, et ainsi une réduction associée de la consommation de carburant pour le vol. Un ensemble d'écoulement d'air dirigé inclut une chambre de filtration/stérilisation contre les virus avec un filtre et/ou un dispositif de stérilisation contre les virus configurés pour recevoir de l'air de cabine de retour via un conduit d'entrée, pour filtrer et/ou stériliser les virus présents dans l'air de cabine de retour, et pour fournir l'air filtré/stérilisé contre les virus via un conduit de sortie. Les conduits de retour d'air s'étendent depuis des évents de retour d'air dans une surface de siège de chacun d'une pluralité de sièges passagers vers la chambre. Les conduits d'alimentation en air s'étendent de la chambre vers des évents d'alimentation en air dirigeant l'air filtré/stérilisé contre les virus vers les sièges passagers.
EP21842502.3A 2020-07-15 2021-07-13 Flux d'air filtrés/stérilisés contre les virus et dirigés vers des passagers dans un véhicule Pending EP4182227A1 (fr)

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PCT/US2021/041443 WO2022015739A1 (fr) 2020-07-15 2021-07-13 Flux d'air filtrés/stérilisés contre les virus et dirigés vers des passagers dans un véhicule

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US8003058B2 (en) * 2006-08-09 2011-08-23 Airinspace B.V. Air purification devices
US10029797B2 (en) * 2008-09-30 2018-07-24 The Boeing Company Personal ventilation in an aircraft environment
US20130246008A1 (en) * 2012-03-15 2013-09-19 Chao-Hsin Lin Cabin airflow modeling
KR101729226B1 (ko) * 2015-04-17 2017-05-04 씨제이포디플렉스 주식회사 특수효과 의자 및 이를 포함하는 시스템
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