EP1786306A2 - Appareil de nettoyage et de sterilisation combine a une lampe uv - Google Patents

Appareil de nettoyage et de sterilisation combine a une lampe uv

Info

Publication number
EP1786306A2
EP1786306A2 EP05764111A EP05764111A EP1786306A2 EP 1786306 A2 EP1786306 A2 EP 1786306A2 EP 05764111 A EP05764111 A EP 05764111A EP 05764111 A EP05764111 A EP 05764111A EP 1786306 A2 EP1786306 A2 EP 1786306A2
Authority
EP
European Patent Office
Prior art keywords
cleaning
lamp fixture
suction nozzle
dust
transparent
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Withdrawn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
EP05764111A
Other languages
German (de)
English (en)
Inventor
Dragoljub Perunicic
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 EP1786306A2 publication Critical patent/EP1786306A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/32—Carpet-sweepers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/405—Machines using UV-lamps, IR-lamps, ultrasound or plasma cleaning
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/04—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids for using the exhaust air for other purposes, e.g. for distribution of chemicals in a room, for sterilisation of the air
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1658—Construction of outlets
    • A47L9/1666—Construction of outlets with filtering means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1683—Dust collecting chambers; Dust collecting receptacles
    • 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

Definitions

  • the invention relates to conventional vacuum cleaners or electrically or mechanically driven brooms (sweepers) which are combined with ultraviolet lamps and more particularly to UV germicidal lamps having germicidal effect for killing or inactivating bacteria, viruses and other primitive organisms during cleaning and UV black-light lamps having black-light effect for improving visibility of white, luminous, fluorescent particles and substances also during vacuum cleaning.
  • UV lamp having germicidal effect or UV germicidal lamps there are two types of ultraviolet lamps, UV lamp having germicidal effect or UV germicidal lamps and UV lamp having black-light effect or UV black-light lamps, which are relevant to the invention disclosed in the present application.
  • the UV germicidal lamp is low-pressure mercury vapour discharge lamp with a tubular glass envelope, which emits the short-wave ultraviolet radiation with a peak at 253.7 nm (UV-C) for germicidal action in which killing or inactivating bacteria, viruses and other primitive organisms and therefore the lamp has germicidal or sterilizing or disinfecting effect.
  • Lamp glass filters out the 185 nm ozone-forming line. UV-C can burns skin and cause eye injury either from direct or reflected radiation.
  • the UV germicidal lamp requires usage of protection goggles, glove, skin protection and eyes protection (ordinary glass) and therefore is not suitable to be used for illumination. It is understood that the UV lamp fixture incorporates an UV lamp and all other electrical and electronic parts, a fixture or armature, a transparent protection cover, reflexive material etc which are needed to the lamp to work and therefore those parts will be omitted from the following text.
  • UV lamp which is used for sterilization of micro-organisms, is attached to a handling tube of a vacuum cleaner and therefore that lamp illuminates the surface of floor directly with germicidal radiation and everything around with reflected germicidal radiation from the cleaning surface.
  • the UV lamp disclosed in that patent is not suitable to be used for a purpose of improvement of visibility even for sterilization without the protection for eyes and skin.
  • UV lamp which is used for sterilization of micro- organisms, is located inside the suction nozzle toward the cleaning surface.
  • UV germicidal lamps which are also used inside suction nozzles of vacuum cleaners, are disclosed in patents no: US4907316, US5233723 and GB648967.
  • the incorporation of the UV germicidal lamp inside the suction nozzle of the vacuum cleaner increases the height and such suction nozzle can not enter in the narrow space between the floor and the furniture where the conventional suction nozzle can.
  • the UV germicidal lamp incorporated inside the suction nozzle can be disconnected or easily damaged and therefore such technical problem could be solved using the UV germicidal lamp which is located in a separate and attachable housing to the conventional suction nozzle, as disclosed in one embodiment of the present invention.
  • the UV germicidal lamp incorporated inside the housing can be disconnected or easily damaged and therefore such technical problem could be solved using the UV germicidal lamp mounted to the housing through shock-absorbers.
  • UV lamps radiate the cleaning surface through transparent sheets and transparent suction nozzles (operating as any other conventional suction nozzle) and therefore they are not combined with dust containers.
  • UV germicidal lamps are used in the housing of the conventional canister and upright vacuum cleaner to "radiate the surface to be cleaned, and dust or like so as to sterilize them".
  • the UV germicidal lamp and a dust container having a transparent bottom and a dust container having a transparent suction nozzle are not used in a combination with a protective housing for preventing reflective radiation, a security on/off switch for preventing a risk from radiation in "up" position and a centrifugal dust filter incorporated in the motor-fan, all as parts of the present invention.
  • the centrifugal dust filter keeps dust particles with micro-organisms inside the dust container while the conventional vacuum cleaner keeps particles with micro ⁇ organisms in the dust bag or container and in the conventional filter.
  • So dust particles with micro-organisms in the dust container of the present invention can be exposed to radiation and sterilisation from the UV germicidal lamp all time while particles with micro-organisms collected in the filter of the conventional vacuum cleaner can not.
  • the dust container having the transparent bottom, as the part of an electrically or mechanically driven broom or sweeper is not used in a combination with a UV germicidal lamp.
  • the suction nozzle or the housing of the upright vacuum cleaner having UV germicidal lamp has no any protection from reflective radiation from the floor and from a direct radiation if the suction nozzle or the housing is in "up" position or turned toward the person who cleans (or others).
  • the L)V germicidal lamp which surrounding the handling tube of a vacuum cleaner, conducts radiation through optical fibres toward the cleaning surface.
  • UV-C radiation is not directed toward the handling tube and the UV germicidal lamp doesn't radiate the air which passing through the handling tube.
  • that lamp doesn't radiate the cleaning surface and a dust bag through reflected radiation coming through internal side of the connecting parts which internal surface is coated with reflective material, as disclosed in one embodiment of the invention.
  • a sterilization chamber with or without a transparent tube is not used in any combination with a UV germicidal lamp and the handling tube of a conventional vacuum cleaner.
  • UV germicidal lamp in the invention disclosed in the patent US3975790 is used for a purification of the exhausted air and therefore UV-C radiation can not destroy the rest of micro-organisms left in the dust bag and in the conventional filter of a conventional vacuum cleaner.
  • An important part of the vacuum cleaner having the germicidal lamp is an UV black- light lamp with black-light effect which simultaneously with the germicidal lamp contributes in increasing visibility and cleaning efficiency. Those lamps are so linked to form a single general inventive concept which is a requirement of unity of the invention.
  • the UV black-light lamp is low-pressure mercury vapour lamp with phosphor coating on the inner surface of the fluorescent tube which absorbs the UV-C emitted by the low pressure mercury arc and emits longer UV wavelengths (UV-A, between 345 to 400 nm) and therefore is used for black-light effect which causing fluorescent particles and substances to glow and white and luminous particles to be seen better.
  • UV-A can not burn skin and cause eye injury either from direct or reflected radiation.
  • the UV black-light lamp can be used for illumination without protection goggles, glove, skin protection and eye protection.
  • UV lamp which is used for sterilization of micro-organisms, is attached to a handling tube of a vacuum cleaner and therefore that lamp illuminates the surface of floor directly with germicidal radiation and everything around with reflected germicidal radiation from the cleaning surface.
  • the UV lamp disclosed in that patent is not suitable to be used for a purpose of improvement of visibility without the protection for eyes and skin.
  • any UV germicidal lamp does not consist of any fluorescent material
  • the UV lamp disclosed in that patent can not provide black-light effect, which causes fluorescent particles and substances to glow or to be visible and white and luminous particles and substances to be better visible and therefore such lamp can not be used for improving visibility of said particles at the cleaning surface during cleaning.
  • UV black-light lamps with black-light effect are not used in any combination with the vacuum cleaners or electrically or mechanically driven broom (with or without an UV germicidal lamp) to cause white and luminous particles and substances to be better visible and fluorescent particles and substances to glow and to be better visible or to be visible even if they are not visible under normal light and therefore they are not used for improvement of visibility and ocular detection of such particles and substances during cleaning.
  • the suction nozzle of a vacuum cleaner which incorporates an UV germicidal lamp with germicidal effect, strikes often at the furniture and therefore the lamp could be disconnected or easily damaged during cleaning and sterilizing. If the suction nozzle of the vacuum cleaner is lifted or it is not enough protected, the radiation from the UV germicidal lamp can radiate a cleaning person causing damage to eyes and skin.
  • technical problems consists of the following questions: How to protect UV germicidal lamp to be damaged during cleaning? How to provide an additional protection from UV-C radiation for the person who cleans? How to radiate accumulated dust in the dust container and the cleaning surface at the same time during cleaning?
  • the UV germicidal lamp fixture is located in a protective housing which is attached, as an independent attachment, at the back of the conventional suction nozzle. Moving forward, the conventional suction nozzle strikes at the furniture and therefore it indirectly protects the lamp inside the protective housing to be damaged. In addition to shock-absorbing arms which are located between the protective housing and the conventional suction nozzle amortize strikes.
  • the protective housing has an inner compartment, which surrounding the UV germicidal lamp fixture.
  • the lamp fixture is attached to the ceiling toward the cleaning surface and therefore the radiation which is reflected from the cleaning surface is directed toward the space between the inner compartment and the protective housing preventing leakage of radiation outside and providing an additional protection.
  • An automatic mechanically releasing arm of an on/off switch connected to the UV germicidal lamp fixture disconnects electricity from the lamp fixture when the protective housing is lifted or when a person who cleans releases it by putting away the hand from the handle (which incorporates the releasing arm of the switch) and therefore radiation outside of the protective housing is avoided.
  • the UV germicidal lamp fixture which is located inside the electrically or mechanically driven broom or a compact vacuum cleaner, radiates dust in a dust container and through the transparent bottom of the dust container radiates the cleaning surface.
  • the UV germicidal lamp fixture which is located inside a sterilization chamber, radiates the air or the air with dust which passing through the sterilization chamber or the transparent handling tube (if it is installed in the chamber).
  • the exhausted air which is going out from the vacuum cleaner, contains sterilized viruses and bacteria which are harmless to a person who inhales them during cleaning.
  • the sterilization chamber surrounds the UV germicidal lamp fixture and the transparent handling tube (if it is incorporated in the chamber) and provides a protection from radiation.
  • the sterilization chamber which has a larger volume in compare with the handling tube, can reduce the speed of the air which passing through the chamber and therefore increase the time of radiation and sterilization of bacteria, viruses and micro-organisms.
  • the UV germicidal lamp fixture which is located in the sterilization chamber, can indirectly radiate by reflection the cleaning surface and dust bag if the internal surface of the connecting tubes of the vacuum cleaner are coated with a reflective material. If an ozone type UV germicidal lamp fixture is used inside the sterilization chamber, ozone which is produced by the UV lamp fixture will be spread on the surface in a room by the vacuum cleaner killing bacteria and viruses on the surface.
  • an UV black-light lamp fixture having black-light effect is located on the handling tube or broom's stick or suction nozzle from behind so the suction nozzle strikes at the furniture during movement and because of that protects the lamp to be damaged. Shock-absorbing arms absorb shocks of strikes.
  • the black-light lamp fixture illuminates the cleaning area behind the suction nozzle causing the rest of white, luminous and fluorescent particles, which are not removed, to glow or to be better visible indicating a need to move the suction nozzle backward for an addition cleaning of that surface.
  • the lamps in a combination with a cleaning apparatus can operates on batteries avoiding any connection to mains by a cable.
  • the conventional filter system is quickly clogged with dust particles and therefore the suction efficiency is not sufficient and a powerful motor-fan is needed for suction.
  • the impeller of axial or radial/centrifugal fan of a vacuum cleaner is provided with a centrifugal dust filter with or without cylindrical filter made of any filtrating material (paper etc).
  • the centrifugal dust filter eliminates clogging and therefore a need for very powerful motor-fan /blower with so strong power to overcome resistance of conventional filters during three steps filtration (as usually) and therefore the power or "clean watts" of the smaller motor-blower/fan with the new type of filter can provide the same or similar efficiency of cleaning as the conventional vacuum cleaner.
  • the centrifugal dust filter has much less loss of suction and the vacuum cleaner can remove twice as much dust as the popular cylinder cleaners.
  • Air stream of smaller motor-fans/blowers of the invention can not spread exhaust air with bacteria, particles of dust etc all around the room as the powerful vacuum cleaners and therefore cleaning with the new vacuum cleaner does not require the surface cleaning due to vacuum cleaning.
  • the new centrifugal dust filter with or without cylindrical paper filter when is used in industrial vacuum cleaners or collectors for filtration/separation and collection of airborne particles during grinding, sanding, sawing, sweeping, vacuum cleaning, ventilating and emitting exhausted gases from combustion chambers and combustions engines, eliminates or reduces clogging and therefore a need for a powerful motor-blower with a strong power to overcome resistance of conventional filters (as a subject of clogging) during filtration and therefore the power or "clean watts" of the smaller motor- blower/fan can provide the same or similar efficiency.
  • at least two vacuum cleaners are stationary located at different location in the room.
  • each vacuum cleaner through centrifugal dust filter sucks in the air with airborne dust particles and micro-organisms contained in the room and therefore prevent that particles fall and to be accumulated on the surface in the room.
  • the vacuum cleaner preferably operates all time or non-stop collecting airborne dust particles and micro-organisms. Such vacuum cleaner or "self-operating vacuum cleaner” it doesn't require any man power for operation of cleaning except to empty the dust container from time to time.
  • the centrifugal dust filter which is used in a filtration/separation of particles in exhausted gases from any combustion chamber and combustion engine, is provided with a heat-resident grating.
  • the centrifugal fan, the dust container and the protective cover of the exhausting chamber are also made from heat-resident material.
  • the dust container (27), which is supported by four wheels (30), is covered with an attachable protective housing (31).
  • the UV germicidal lamp fixture (14) and the centrifugal fan (53) for sucking in the air are attached to the ceiling of the protective housing (31) toward the dust container (27).
  • a handling stick (33) is attached to the protective housing (31).
  • a transparent or non-transparent suction nozzle (34) is incorporated in the transparent bottom (28) of the dust container (29), which is transparent for ultraviolet UV-C rays.
  • the tubular UV germicidal lamp fixture (14) is located parallel to the long side of the protective housing (31) radiating the cleaning area which is determined by the protective housing (31). The radiation which is reflected from the cleaning surface is directed toward the space between the protective housing (31) and the non-transparent sides (29) of the dust container (27) preventing leakage of radiation outside.
  • the radiation from the UV germicidal lamp fixture (14) through the transparent bottom (28) destroys bacteria, viruses and other micro- organisms on the cleaning surface during movement of the vacuum cleaner (26) and inside the dust container (27) all the time during cleaning.
  • the dust container (27) is covered with a protective housing (31) having the centrifugal fan (53) for sucking in the air.
  • the tubular UV germicidal lamp fixture (14) is mounted to the protective housing (31) radiating the area determined by the protective housing (31) and the dust container (27).
  • the radiation from the UV germicidal lamp fixture (14) destroys bacteria, viruses and other micro-organisms inside the dust container (27) all the time.
  • An automatic mechanically releasing arm (19) of an on/off switch (20) connected to the UV germicidal lamp fixture (14) disconnects electricity from the UV germicidal lamp fixture (14) when the attachable dust container (27) is separated from the protective housing (31) to avoid radiation outside of the protection housing (31).
  • the above embodiment is used for mechanical separation of particles in industrial vacuum cleaners or other similar apparatus used in processing industries for filtration/separation and collection of airborne particles during grinding, sanding, sawing, sweeping, vacuum cleaning, ventilating and emitting exhausted gases from combustion chambers and combustions engines.
  • the centrifugal dust filter (54) which is mounted to the impeller (53a) or to the rotor of the centrifugal or axial fan (53) or to the shaft of the motor (52).
  • the centrifugal dust filter (54) comprising a circular or cylindrical grating (62) or net with or without a circular or cylindrical paper (or another type of) filter (63), which is used for dust bags.
  • the cylindrical grating (62) is in a shape of an open top cylinder like a squirrel cage or a cylinder or cone with a plurality of longitudinally disposed slots.
  • the grating (62) consists of number of bars with gaps or slots there between.
  • the fan' impeller (53a) sucks in the air trough those gaps or slots.
  • the grating (62) can be secured at the cylindrical opening (59) of the impeller's ring circular front-plate (58) of the centrifugal fan (53) or to the ends of impeller's blades of the axial fan (53a) or on the rotor's or motor's shaft which drives the fan's impeller.
  • the grating (62) supports the paper (or another kind) filter (63) if any and prevents that the fan's impeller (53a) sucks in dust particles.
  • the centrifugal dust filter (54) is located in a line with or outside the cylindrical inlet (64) of the fan's casing (60) but inside the dust container (22).
  • the cylindrical casing (60) of the fan (53) has an air outlet (61) which is located outside the dust container (22).
  • the centrifugal fan's impeller (53a) having blades (56) secured between a circular back-plate (57) and a ring circular front-plate (58).
  • the circular front-plate (58) has at its centre a cylindrical opening (59) for sucking in the air.
  • the centrifugal fan's impeller (53a) is located in a cylindrical casing (60), which is mounted to the ceiling of the protective housing (31).
  • the cylindrical inlet (64) of the casing (60) is toward the dust container (27).
  • the centrifugal fan' impeller (53a) and the grating (62) can make the air stream spinning, so dust particles, which are subject to centrifugal force, are thrown out from the air toward the room inside the dust container.
  • the conducting cylinder (32) directs and separates the air stream from the rest of the dust container (27).
  • the centrifugal dust filters (54) in a new production of conventional vacuum cleaners having dust bags, could stop (in another dust chamber) fine particles of dust which passing through conventional dust bags improving the purification of air.
  • the air purification with a mechanical separation of dust particles from the air by the paper filter (63) eliminates a need for expensive filters or other methods of purification (through water etc) to meet requests from people who are allergic on dust or asthmatic.
  • the centrifugal dust filter (54) is used for mechanical separation of particles in industrial vacuum cleaners or other similar apparatus used in processing industries for filtration or separation and collection of airborne particles during grinding, sanding, sawing, sweeping, vacuum cleaning, ventilating and emitting exhausted gases from combustion chambers or engines.
  • Figs. 4a-4c is disclosed another embodiment of the invention in which one or both parts of the conventional handling tube of the vacuum cleaner (1) is replaced with a sterilizing chamber (36) or with sterilizing chamber (36) having a transparent handling tube (35).
  • the sterilizing chamber (36) consisting of a non-transparent tube (37) which top opening is used for inserting and securing a circular top cover (38) or the cylindrical inlet (64) of cylindrical casing (60) of a centrifugal fan (53) when the chamber (36) is used as a dust container (27).
  • the bottom opening of the non-transparent tube (37) is used for inserting and securing a circular bottom cover (40).
  • the circular top cover (38) comprising a hole (39) for inserting the tube of flexible hose (42).
  • the circular bottom cover (40) comprising a hole (41) for inserting a conventional handling tube (8) or the suction nozzle tube (51).
  • the speed of the air flow which is sucked in by the vacuum cleaner (1) is reduced inside the sterilizing chamber (36) due to increased volume providing a longer time of exposure of bacteria, viruses and micro-organisms to radiation and sterilization.
  • the sterilizing chamber (36) having the transparent handling tube (35) conducts the air or the air with dust through the transparent handling tube (35), which is transparent for UV-C rays, from the conventional handling tube (8) or the tube of suction nozzle (51) or directly to the tube of flexible hose.
  • the tubular UV germicidal lamp fixture (14; 44) radiates inside the sterilizing chamber (36) or inside the sterilizing chamber (36) and the transparent handling tube (35).
  • the UV germicidal lamp fixture (14; 44) and the transparent handling tube (35) if any are surrounded by the non- transparent tube (37) of the sterilizing chamber (36) and the top and bottom cover (38; 40) which are non-transparent for UV-C rays avoiding radiation.
  • the radiation from the UV germicidal lamp fixture (14) destroys bacteria, viruses and other micro- organisms contained in the air and the dust which passing through the sterilizing chamber (36) or the transparent handling tube (35).
  • the UV germicidal lamp fixture (14) can indirectly radiate by reflection the cleaning surface if the inner surface of other components, which conducting the air, are coated with reflective material.
  • Ozone which is produced by the radiation from the ozone type UV germicidal lamp fixture (44) in the air passing through the transparent handling tube (35) or the sterilizing chamber (36), is dragged out by the vacuum cleaner (1) into a room destroying bacteria and viruses on the room's surface.
  • the tubular ozone type UV germicidal lamp fixture (44) is activated or inactivated by a motion sensor or a wireless remote control set (46;47;48) through an on/off switch (45) connected to the ozone UV germicidal lamp fixture (44) providing a safe usage of such lamp fixture (44) in a combination with the vacuum cleaner (1) avoiding the usage of a long cable.
  • a motion sensor or a wireless remote control set 46;47;48
  • an on/off switch 45
  • Figs.5a and 5b is disclosed one embodiment of the invention which comprising a protective housing (15) and a germicidal lamp fixture (14) having sterilizing effect.
  • the protective housing (15) comprising an inner compartment (17) which surrounds the lamp fixture (14).
  • the lamp (14) radiates the cleaning surface which reflects rays toward the space between the inner compartment (17) and the protective housing (15) preventing leakage of radiation outside.
  • the UV germicidal lamp fixture (14) is located parallel to the long side of the protective housing (15) and transversal to the direction of movement.
  • the fixture (14) is located toward and parallel to the cleaning surface equally radiating that surface in the area which is determined by the protective housing
  • the protective housing (15) is supported with at least two wheels (18), which are located in the space between the inner compartment (17) and the protective housing
  • the protective housing (15) is attached to the suction nozzle (4) of the compact vacuum cleaner (26).
  • the suction nozzle (4) protects the protective housing (15) and the lamp inside the lamp fixture (14) to be damaged because the suction nozzle (4) of the vacuum cleaner strikes directly at the furniture or walls during movement forward.
  • the shock-absorbers (16a) absorb shocks which the suction nozzle (4) makes striking at the furniture avoiding damages of the lamp and the lamp fixture (14).
  • An automatic mechanically releasing arm (19) of an on/off switch (20) can be used to disconnect electricity from the lamp and the lamp fixture (14) when the protective housing (15) is in "up” position avoiding the outside radiation. Radiation from the UV germicidal lamp fixture (14) destroys micro-organisms on the cleaning surface during cleaning.
  • FIGs.6a and 6b another embodiment of the invention comprising an electrically or mechanically driven broom (sweeper) (2) combined with an UV germicidal lamp fixture (14).
  • the broom's housing (5) is provided with the tubular UV germicidal lamp fixture (14) having sterilizing effect, which is attached to the ceiling of the broom's housing (5) and which is parallel to the long side of the broom's housing (5) and transversal to the direction of broom's movement.
  • a conventional dust container of the broom (2) is replaced with a dust container (22) which consists of non-transparent sides (23) and a transparent bottom (24), which is transparent for ultraviolet germicidal UV-C rays or radiation.
  • the UV germicidal lamp fixture (14) radiates toward the cleaning surface through the transparent bottom (24) during cleaning radiating the cleaning area which is determined by the broom's housing (5).
  • the radiation which is reflected from the cleaning surface is directed toward the space between the broom's housing (5) and the non-transparent sides (23) of the dust container (22) preventing leakage of radiation outside.
  • Radiation from the UV germicidal lamp fixture (14) through the transparent bottom (24) during movement destroys bacteria, viruses and other micro ⁇ organisms on the cleaning surface and inside the dust container (22) all the time during cleaning. Some bacteria and viruses which are not destroyed instantly on the cleaning surface would be destroyed in the dust container (22) during cleaning.
  • Figs. 7a and 7b (the claim 8) is disclosed another embodiment of the invention in which the UV black-light lamp fixture (3) is attached to the suction nozzle (4) of the vacuum cleaner (1) through two shock-absorbing arms (6).
  • the arms (6) have shock absorbers (6a) located between arm strips (6b). The ends of the arm strips (6b) are mounted to the suction nozzle (4) on one side and to wheels (7) on another side.
  • the absorbers (6a) absorb shocks which the suction nozzle (4) makes during striking at furniture during cleaning.
  • the UV black-light lamp fixture (3) which is located parallel to the long side of the suction nozzle (4), is attached from behind the suction nozzle (4).
  • the suction nozzle (4) which is located in the front of the lamp (3), protects the lamp fixture (3) to be damaged when the suction nozzle (4) strikes at the furniture during movement forward.
  • the UV black-light lamp fixture (3) during cleaning illuminates the cleaning area behind the suction nozzle (4) in each movement of the suction nozzle (4) forward causing the rest of white, luminous and fluorescent particles or substances (which are not removed) to glow or to be better visible indicating if any need to move the suction nozzle (4) backward for an addition cleaning.
  • the tubular UV black-light lamp fixture (3) is located toward and parallel to the cleaning surface improving visibility at the cleaning surface along the length of the lamp (3) which is transversal to the direction of movement during cleaning.
  • the UV black-light lamp fixture (3) is located at a height which allows to a person who cleans to see the illuminated surface and to use the handling tube (8) of the vacuum cleaner (1) in a position which is parallel relative to the cleaning surface during cleaning the narrow space between the floor and the furniture.
  • Figs. 8a-8d the claim 9) is disclosed another embodiment of the invention in which the tubular UV black-light lamp fixture (3) is attached parallel or transversal to the handling tube (8) of the vacuum cleaner (1) while the compact black-light lamp fixture (9) is attached parallel and longitudinally to the handling tube.
  • the UV black-light lamp fixture (3) is attached from behind the handling tube (8) and therefore located from behind the suction nozzle (4) too.
  • the suction nozzle (4) which is in the front relative to the lamp fixture (3), protects the lamp fixture (3) to be damaged when the suction nozzle (4) strikes directly at the furniture during movement forward.
  • the UV black-light lamp fixture (3) is attached to the handling tube (8) with at least one shock-absorbing connecting element (10), which consists of a plate (11) which one part has a hole (12) for inserting the handling tube (8) in it and another part which is attached through an shock absorber (6a) to the tubular lamp fixture (3) or a socket (13) of the compact lamp fixture (9).
  • the connecting element (10) rotates around the handling tube (8) if it is forced.
  • the shock-absorbers (6a) absorb shocks, which are transferred through the handling tube (8) from the suction nozzle (4), which strikes at the furniture. Shock- absorbers (6a) reduce risks of the lamp fixture's (3; 9) damages.
  • the UV black-light lamp fixture (3; 9) during cleaning illuminates the cleaning area behind the handling tube (8) in each movement of the handling tube (8) forward causing the rest of white, luminous and fluorescent particles or substances (which are not removed) to glow or to be better visible indicating if any need to move the handling tube (8) backward for an addition cleaning.
  • the tubular UV black-light lamp fixture (3) which is located transversal to the handling tube (8), is located toward and parallel to the cleaning surface and parallel to the long side of the suction nozzle (8) illuminating the cleaning surface along the length of the lamp fixture (3) which is transversal to the direction of movement during cleaning.
  • the UV black-light lamp fixture (3) and the compact UV black-light lamp fixture (9) which is attached parallel to the handling tube (8) emitting black light toward the cleaning surface improving visibility.
  • Figs. la-Id illustrate a top view of a dust container (27) and a laterally cross-section view of a compact vacuum cleaner (26) consisting of an UV germicidal lamp fixture (14), a centrifugal fan (53) with a centrifugal dust filter (54) and the dust container (27) with a transparent bottom (28).
  • Figs. Ia and Ic the dust filter (54) which has the grating (62) in the line with the cylindrical inlet (64) and another one which has the grating (62) outside the cylindrical inlet (64). Both dust filters (54) have the paper filter (63).
  • Figs. 2a & 2b illustrate laterally cross-section vies of compact vacuum cleaners (26) one having a centrifugal fan (53) and another one having axial fan (53). Both fans having the centrifugal dust filters (54) with gratings (62) are used as separators and collectors.
  • FIG. 3a-3f illustrate a laterally cross-section and top view of the grating (62) in the line and outside the cylindrical inlet (64) belong to the centrifugal-radial and axial fans (53).
  • Figs.4a-4c illustrate laterally cross-section views of sterilization chambers (36).
  • Fig.4a shows the sterilization chamber (36) having an UV germicidal lamp fixture (14), as an attachment to a handling tube (8).
  • Fig. 4b illustrates the sterilization chamber (36) having a transparent handling tube (35) and an ozone type UV germicidal lamp fixture (44).
  • Fig. 4c illustrates sterilization chamber (36) having a centrifugal fan (53) with a cylindrical centrifugal dust filter (54) and an UV germicidal lamp fixture (14).
  • the sterilization chamber (36) is used as a dust container (27) simultaneously.
  • Figs.5a and 5b illustrate a laterally cross-section and a bottom view of an attachment to a suction nozzle (4) of a vacuum cleaner (1) having an UV germicidal lamp fixture (14).
  • Figs. 6a and 6b illustrate a laterally cross-section and a bottom view of an electrically or mechanically driven broom (2) having an UV germicidal lamp fixture (14) and a dust container (22) having a transparent bottom (24).
  • Figs. 7a and 7b illustrate a laterally and a top view of an attachment to a suction nozzle (4) of a vacuum cleaner (1) having an UV black-light lamp fixture (3).
  • Figs. 8a and 8d illustrates laterally views of attachments to handling tubes (8) in which tubular or compact (with a reflector) UV black-light lamp fixtures (3, 9) are located parallel to the handling tubes (8).
  • Figs. 8b and 8c illustrate a laterally and a top view of an attachment in which the tubular UV black-light lamp fixture (3) is located transversal to the handling tube (8).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

L'invention concerne un appareil de nettoyage ou de stérilisation combiné à une lampe UV constitué d'un aspirateur compact vertical (26) comprenant un récipient à poussière (27) pourvu d'un fond transparent (28) et une buse d'aspiration (34) disposée dans le fond (28), un logement de protection (31) qui recouvre le récipient à poussière (27) et qui comporte un ventilateur (53) équipé d'un filtre à poussière centrifuge (54), ainsi qu'une lampe germicide UV (14) conçue pour éliminer les micro-organismes sur la surface de nettoyage et à l'intérieur du récipient à poussière (27). Le filtre à poussière (54), qui est constitué d'une grille cylindrique (62) pouvant comprendre un filtre papier cylindrique (63), est monté sur l'ouverture cylindrique (59) de la turbine (53a) du ventilateur et est situé partiellement à l'extérieur du boîtier (60) du ventilateur mais à l'intérieur du récipient à poussière (27). Lorsqu'elle tourne à vitesse élevée, la turbine (53a) du ventilateur aspire l'air par le filtre à poussière (54), lequel rejette les particules de poussière vers l'extérieur et vers l'espace situé à l'intérieur du récipient à poussière (27), afin d'empêcher toute obstruction, ce qui permet de séparer les particules de l'air et d'assurer la purification de l'air.
EP05764111A 2004-08-05 2005-07-27 Appareil de nettoyage et de sterilisation combine a une lampe uv Withdrawn EP1786306A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0401987A SE530664C2 (sv) 2004-08-05 2004-08-05 Kompaktdammsugare
PCT/YU2005/000019 WO2006015390A2 (fr) 2004-08-05 2005-07-27 Appareil de nettoyage ou de sterilisation combine a une lampe uv

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EP1786306A2 true EP1786306A2 (fr) 2007-05-23

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US (1) US20080295271A1 (fr)
EP (1) EP1786306A2 (fr)
CN (1) CN101026987A (fr)
RU (1) RU2007107943A (fr)
SE (1) SE530664C2 (fr)
WO (1) WO2006015390A2 (fr)

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Also Published As

Publication number Publication date
SE0401987L (sv) 2006-02-06
SE530664C2 (sv) 2008-08-05
WO2006015390B1 (fr) 2006-11-16
SE0401987D0 (sv) 2004-08-05
CN101026987A (zh) 2007-08-29
WO2006015390A3 (fr) 2006-10-05
US20080295271A1 (en) 2008-12-04
RU2007107943A (ru) 2008-09-10
WO2006015390A2 (fr) 2006-02-09

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