GB2412059A - Photo-electronic air purification vacuum cleaner - Google Patents
Photo-electronic air purification vacuum cleaner Download PDFInfo
- Publication number
- GB2412059A GB2412059A GB0505411A GB0505411A GB2412059A GB 2412059 A GB2412059 A GB 2412059A GB 0505411 A GB0505411 A GB 0505411A GB 0505411 A GB0505411 A GB 0505411A GB 2412059 A GB2412059 A GB 2412059A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vacuum cleaner
- extreme
- light
- head assembly
- air
- 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.)
- Granted
Links
- 238000004887 air purification Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 241000894006 Bacteria Species 0.000 claims description 3
- 244000052616 bacterial pathogen Species 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000011236 particulate material Substances 0.000 description 9
- 235000004443 Ricinus communis Nutrition 0.000 description 3
- 240000000528 Ricinus communis Species 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 241000764238 Isis Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000010407 vacuum cleaning Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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
- 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
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/22—Killing insects by electric means
- A01M1/226—Killing insects by electric means by using waves, fields or rays, e.g. sound waves, microwaves, electric waves, magnetic fields, light rays
-
- 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
- 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
- A47L9/18—Liquid filters
- A47L9/181—Separating by passing the air through a liquid bath
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
A photo-electronic air purification vacuum cleaner comprises a housing 1, a turbine extractor 3, an electric motor 4, a dust-collection bin having an inner chamber 22, and a handle supporting a nozzle assembly (31, fig 10), wherein the air path from the nozzle assembly (31, fig 10) through the inner chamber 22 and the turbine extractor 3 includes at least one extreme ultraviolet light tubes 15 and one or more air filters 7. The UV light tube 15 maybe fitted inside the housing 1 and arranged so that when the dust-collection bin is separated from the housing the power supply to the UV light 15 is disconnected. Alternatively the UV light tube 15 may be positioned in the nozzle assembly (31, fig 10) and arranged so that the power supply to the UV light 15 is automatically disconnected when the nozzle assembly is lifted from the surface being cleaned. The nozzle assembly (31, fig 10) preferably includes a transparent transmissive mirror (44, fig 10) which serves as a shield and allows the UV light 15 to shine through to the surface being cleaned. The UV light tubes 15 are preferably replaceable and water may be held within the inner chamber 22 of the dust-collection bin.
Description
24 1 2059
PHOTO-ELECTRONIC AIR PURIFICATION VACUUM CLEANER
The present invention is a photo-electronic air purification vacuum cleaner, powerable by alternating current from the mains.
This is an innovative conceptual design in this kind of water-filtering photo- electronic air purification vacuum cleaner.
This invention has a built-in extreme-W light tube in its detachable head assembly, which, in action, emits extreme-W light to sterilize the germs, bacteria and mould etc. on the floor or in the carpets. Furthermore, dirt and other particulate materials are collected in the inner chamber of the dust-collection bin located in the lower section of the vacuum cleaner, wherein another built-in extreme-W light tube is provided to disinfect the air drawn into the system prior to being discharged as purified, fresh air via the air exhaust grille.
The present novel cleaner comprises the following major parts: extreme-W light tubes, a turbine extractor, an electric motor, air filters, a dustcollection bin, an air-arresting unit, a retractable power cable, a hose and castors. When the detachable head assembly is put into action, the extreme-W light emitted by its built-in extreme- UV light tube effectively sterilizes the micro-organisms on the floor or in the carpets, while the dirt and other particulate materials in the suction are collected in the inner chamber of the dust-collection bin, wherein water can be optionally introduced to act as a filtering medium in the removal of every trace of dirt and dust prior to the purified exhaust being discharged into the atmosphere. Alternatively, the inner chamber of the dust-collection bin can be left dry per se to collect dirt and other particulate materials.
The extreme-W light tube, fitted in the air-arresting unit within the inner chamber of the dust-collection bin, emits extreme-W light which destroys the micro-organisms in the suction before discharging it via the air exhaust grille as fresh air. The electric motor-driven turbine extractor generates a powerful suction, which draws in dirt and other particles. The air sucked in by the detachable head assembly flows through the inner chamber of the dust-collection bin into the air- arresting unit where it is sterilized by the extreme-W light emitted by the extreme-UV tube. The sterilized air then streams through the air filters and is discharged through the air exhaust grille as sterilized, purified air.
The cleaner may be housed in a streamlined casing.
A preferred non-limiting embodiment of the present invention will now be described with reference to the accompanying diagrammatic drawings.
FIG. 1 is a side elevation view of a vacuum cleaner in accordance with a preferred embodiment of the present invention.
FIG.2is a longitudinal cutaway view of the vacuum cleaner depicted in FIG. 1.
FTG.3is a front view of the vacuum cleaner depicted in FIG.1.
FIG.4is a rear view of the vacuum cleaner depicted in FIG.l.
FIG.Sis a top view of the vacuum cleaner depicted in FIG.1.
FIG.6is a bottom view of the vacuum cleaner depicted in FIG.I.
FIG.7is an exploded schematic diagram of the vacuum cleaner depicted in FIG. 1.
FIG. 8 is an exploded schematic view of the detachable head assembly of the vacuum cleaner depicted in FIG 1.
FIG 9is a horizontal cutaway view of the detachable head assembly depicted in FIG 8, where a schematic view of the uptake opening is shown.
FIG lOis a horizontal cutaway view of the detachable head assembly depicted in FIG 8, and it shows the arrangement of the extreme-W light tube installed within the detachable head assembly.
FIG llis an exploded schematic view of the air-arresting unit depicted in FIG 1, and it shows the arrangement of the extreme-W light tube installed within the air arresting unit.
FIG 12 is a longitudinal cutaway view of the air-arresting unit depicted in FIG FIG Isis a longitudinal cutaway view of the vacuum cleaner depicted in FIG.I, and it shows the arrangement of the uptake opening.
This water-filtering photo-electronic air purification vacuum cleaner is encased in a streamlined housing (1), which has a centrally located suction opening (2). Air filters (7) are provided around the external or upstream periphery of the suction opening (2). Inside the suction opening (2) there is a turbine extractor (3) which is connected to an electric motor (4), which is in turn mounted securely between the shelving unit (49) and the venting shelf (54). A function switch (S), connected to the electronic module assembly (8) within, can be found on the front of the housing (1).
The air exhaust grille (6), located at the back of the housing (1), is padded with air filters (9) around its internal periphery. These air filters (9) also run across the air outlet (11) of the air-arresting or retarding unit (10).
A handle (12) is provided on the top of the housing (1) for the convenience of users. The cable cover (13), located underneath the handle, allows the cable (14) to be wound around the spindle (26) when the cleaner is not in use. Users simply need to press the button (27) on the top of the housing (1), and the cable will automatically retract and wind around the spindle (26) inside the cleaner.
Centrally mounted inside the air-arresting unit (10) is an extreme-W light tube (15), which has a metallic contact plate (16) on either end. The lower section of the air-arresting unit (10) is panelled with long strips (17) so that air flow is facilitated into the unit out of the air exhaust grille (6). Untreated air first streams through the air intake opening (20) between the two air-arresting walls (18 & 19) into the air-arresting ]5 unit (10), where the extreme-UV light tube (15) is centrally mounted. The extreme W light emitted sterilizes the germs, bacteria and mould in the air stream, which is finally drawn and discharged through the air exhaust grille (6) by the turbine extractor (3) as purified air.
To protect users from being dazzled by the extreme-UV light which might leak through the housing (1), a light shield (21) is fitted around the air-arresting unit (10).
The extreme-UV light tube (15) inside the head assembly (31) is powered by plugging the power cable (29) into the two external power receptacles (28 & 32) on the front of the housing (1) and on the detachable head assembly (31).
Two metallic fasteners (23) are used to secure the inner chamber (22) of the dust-collection bin, located in the bottom part of the housing (1), in its place. These fasteners (23) clip tightly onto the two flanges (24) on the bottom end of the housing (1). An air containment plastic ring (50) seals the housing (1) and the inner chamber (22) of the dust-collection bin to prevent them from dislodgement.
An air intake (34) is provided on the centre front of the inner chamber (22) of the dust-collection bin for easy connection to a hose (33). Connected to the air intake (34) is an elbow connector (35) for water intake, the end of which runs through the orifice of the water retention board (51) and links to air exhaust (52). Dirt and other particulate materials sucked into the cleaner are pumped into the water and filtered out before the treated air is discharged.
While one end of the hose (33) can easily be slotted in and secured onto the air intake (34) by a twist, the other end can be connected to the detachable head assembly (31).
The underpart (53) of the inner chamber (22) of the dust-collection bin is mounted on four castors (36) for the easy manoeuvre of the vacuum cleaner on the floor or carpets to be cleaned.
The detachable head assembly (31) is of rectangular shape, on the top of which is a detachable connector (37). An air intake (38) and an air outlet (39) are located at either end of the detachable connector (37), to which the hose (33) can be connected securely. The head assembly is powered by connecting the cable (30) to the external power receptacle (32) adjacent to the air outlet (39) on the connector (37). The detachable connector (37) joins the detachable head assembly (31) at the air outlet (41) of the outer cover (40), enabling easy adjustment of its angle during vacuum cleaning.
The sliding unit (42) is fitted with three castors (43) to allow for the smooth ride of the head assembly (31) on the floor or carpets to be cleaned. Another extreme-UV light tube (15) is mounted in the front of the head assembly (31). It is slotted in place between two metallic contact plates (16). A transparent transmissive mirror (44) fitted under the extreme-UV light tube enables the extreme-W light to shine onto the floor or the carpets being cleaned. A long flexible plastic strip (45) secured at the back of the lower section of the head assembly helps push the dirt and other particulate materials into the uptake opening (30).
There is a touch switch (46) on the bottom of the detachable head assembly (31), by which the operation of the extreme-UV light tube is controlled. As soon as the detachable head assembly (31) is lifted from the floor or the carpets being cleaned, the extreme-W light tube (15) is switched off and no extreme-W light is emitted.
When the vacuum cleaner is powered on, the motor-driven (4) turbine extractor (3) turns at a high speed and produces a strong suction which draws the air, together with dirt and other particulate materials, through the air intake (34) into the water held in the inner chamber (22) of the dust- collection bin, where all the dirt and other particulate materials are filtered out. The untreated air gushes through the central suction opening (2) in the housing (1) and the panelled airarresting unit (10), and reaches the air exhaust grille (6). It streams through the gap between the two air- arresting walls (18 & 19) in the air-arresting unit (10) and is exposed to the extreme- W light emitted by the extreme-UV light tube (15) centrally mounted in the gap.
Finally the air is sterilized and discharged through the air exhaust grille (6) of the housing. Dirt and other particulate materials, however, are trapped in the water and caught in the air filters (7) adhered to the periphery of the central suction opening (2).
When the vacuum cleaner is put into use, one end of the hose (33) is inserted into the air intake (34) on the front of the inner chamber (22) of the dust-collection bin while the other end joins the long, detachable handle (47), which is then connected to the head assembly (31). The extreme-UV light tube (15) comes on when users connect the power cable (29) to the two external power receptacles (28 & 32), located respectively on the housing (1) and the head assembly (31).
Untreated air, together with dirt and other particulate materials, is drawn into the inner chamber (22) of the dust-collection bin through the detachable head assembly (31) by the strong suction produced by turbine extractor (3) in the housing (1). It streams through the uptake opening (3) ofthe head assembly (31) into the air-arresting unit (10), where the extreme-W light tube (15) is mounted. The extreme-W light emitted sterilizes the air, which is finally discharged through the air exhaust grille (6) on the housing (1) as fresh, purified air, thereby enhancing the air quality in the atmosphere. The housing (l) and the inner chamber (22) of the dust- collection bin are detachable from each other, allowing the dirty water to be drained and the chamber refilled.
The present system is an innovative design, conceived with emphasis on the promotion of environmental protection and health. The extreme-W light tube emits ultraviolet light at the wavelength of 253.7 nanometres, which has been proven scientifically to be most effective in the disinfection of micro-organisms. This invention works well in all households, hospitals, residential homes, department stores, cinemas, restaurants, offices, workshops, elevators, vehicles, ships, airplanes and trains. Its disinfecting function helps to revitalise the air quality in our living environment amidst the constant degradation of our natural world.
Claims (16)
1. A photo-electronic air purification vacuum cleaner, comprising a housing having a turbine extractor and an electric motor, a dustcollection bin having an inner chamber, and a handle supporting a head assembly, wherein an air path from the head assembly and through the inner chamber and the turbine extractor includes one or more extreme-W light tubes and one or more air filters.
2. The vacuum cleaner according to Claim 1, wherein the handle is elongate and has a first end for being held by a user's hand and a second, opposite end which is detachably connected to the head assembly.
3. The vacuum cleaner according to Claim 2, wherein the handle joins the detachable head assembly on the top for the convenience of users.
4. The vacuum cleaner according to Claim 2 or 3, wherein the housing can be held and operated separately by hand or in conjunction with the elongate handle and the detachable head assembly, the angle of which can be freely adjusted to seat the head assembly on the surface being cleaned.
5. The vacuum cleaner according to any preceding claim, wherein the extreme UV-light tube or one of the extreme-W light tubes is fitted inside the housing and the power supply to the extreme-W light tube fitted within the housing automatically cuts off at the separating of the housing from the dust-collection bin when emptying the dust-collection bin.
6. The vacuum cleaner according to any preceding claim, wherein the extreme UV-light tube or one of the extreme-W light tubes is fitted inside the head assembly and the power supply to the extreme-UV light tube fitted within the head assembly automatically cuts off as soon as the head assembly is lifted from the surface being cleaned or is not in contact with the surface.
7. The vacuum cleaner according to Claim 6, wherein the head assembly includes a transparent transmissive mirror which serves as a shield and allows the extreme-W light to shine through onto the surface being cleaned.
8. The vacuum cleaner according to Claim 6 or 7, wherein metallic contact plates are fitted, through which power is supplied to the extreme-W light tube fitted inside the head assembly.
9. The vacuum cleaner according to any preceding claim, wherein the extreme- W light tube(s) are replaceable.
10. The vacuum cleaner according to any preceding claim, wherein the air filter(s) are washable and replaceable.
11. The vacuum cleaner according to any preceding claim, wherein water can be held within the inner chamber of the dust-collection bin in the air path.
12. The vacuum cleaner according to any preceding claim, further comprising an electronic circuit, an electronic module assembly, a function switch, and a power cable.
13. An electronic circuit system used in an indoor environment, particularly suitable for use in purifying indoor air, wherein the electronic circuit system includes a circuit which enables the emission of ultraviolet light at the wavelength of 253.7 rim from a W light tube.
14. The electronic circuit system according to Claim 13, wherein the circuit includes a rheostat having the function of regulating the output current.
15. The electronic circuit system according to Claim 13, wherein the extreme-UV light tube emits extreme-W light to destroy germs, bacteria and mould etc in the air streamed past the tube.
16. A photo-electronic air purification vacuum cleaner, substantially as herein described with reference to, or with reference to and as illustrated in, the accompanying drawings.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410008731 CN1669513A (en) | 2004-03-16 | 2004-03-16 | Water filtration photoelectron sterilizing viruses killing vacuum cleaner |
| CN 200420007026 CN2686524Y (en) | 2004-03-16 | 2004-03-16 | Water filtering photoelectron disinfecting viricidal vacuum cleaner |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0505411D0 GB0505411D0 (en) | 2005-04-20 |
| GB2412059A true GB2412059A (en) | 2005-09-21 |
| GB2412059B GB2412059B (en) | 2007-11-21 |
Family
ID=34378871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0505411A Expired - Fee Related GB2412059B (en) | 2004-03-16 | 2005-03-16 | Photo-electronic air purification vacuum cleaner |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB2412059B (en) |
| HK (1) | HK1066404A2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2427812A (en) * | 2005-06-29 | 2007-01-03 | Jeffrey Martyn Sass | Static and airborne bacteria exterminator |
| EP2008562A3 (en) * | 2007-06-29 | 2009-04-29 | Gisowatt S.P.A. Industria Elettrodomestici | Method and vacuum cleaner apparatus with germicidal action |
| GB2516915A (en) * | 2013-08-06 | 2015-02-11 | Techtronic Floor Care Tech Ltd | Vacuum cleaners |
| WO2018146710A3 (en) * | 2017-02-09 | 2018-09-20 | T.P.A. Impex S.P.A. | Multifunction vacuum cleaner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3975790A (en) * | 1974-10-11 | 1976-08-24 | Lawrence Patterson | Cleaning apparatus having ultraviolet lamp fixture |
| JPH01151424A (en) * | 1987-12-09 | 1989-06-14 | Matsushita Electric Ind Co Ltd | Electric cleaner |
| US4907316A (en) * | 1988-02-09 | 1990-03-13 | Interlava Ag | Device for disinfecting rooms and floor coverings |
| SU1741773A1 (en) * | 1990-05-15 | 1992-06-23 | Г.В.Гизатулин, В.В.Гизатулин и В.Г.Гизатулин | Vacuum cleaner |
| DE4333831A1 (en) * | 1992-09-30 | 1994-04-21 | Peter Crabiell | Vacuum cleaner with allergen elimination capability for house dust mites - comprises ultrasound-emitting suction head in intake opening and water-filled fine wet filter and esp. associated with ultraviolet light source for killing parasites and removing smaller particles |
| GB2277251A (en) * | 1993-04-19 | 1994-10-26 | Hung Yung Feng | Vacuum cleaner with ultra-violet sterilizing bulb |
| JPH08131522A (en) * | 1994-11-08 | 1996-05-28 | Morimasa Niimura | Sterilizing device |
| DE19860020A1 (en) * | 1997-12-31 | 1999-07-08 | Kwang Ju Electronics Co Ltd | Ultraviolet lamp holder structure in vacuum cleaners for killing bacteria |
-
2004
- 2004-10-16 HK HK04108017A patent/HK1066404A2/en not_active IP Right Cessation
-
2005
- 2005-03-16 GB GB0505411A patent/GB2412059B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3975790A (en) * | 1974-10-11 | 1976-08-24 | Lawrence Patterson | Cleaning apparatus having ultraviolet lamp fixture |
| JPH01151424A (en) * | 1987-12-09 | 1989-06-14 | Matsushita Electric Ind Co Ltd | Electric cleaner |
| US4907316A (en) * | 1988-02-09 | 1990-03-13 | Interlava Ag | Device for disinfecting rooms and floor coverings |
| SU1741773A1 (en) * | 1990-05-15 | 1992-06-23 | Г.В.Гизатулин, В.В.Гизатулин и В.Г.Гизатулин | Vacuum cleaner |
| DE4333831A1 (en) * | 1992-09-30 | 1994-04-21 | Peter Crabiell | Vacuum cleaner with allergen elimination capability for house dust mites - comprises ultrasound-emitting suction head in intake opening and water-filled fine wet filter and esp. associated with ultraviolet light source for killing parasites and removing smaller particles |
| GB2277251A (en) * | 1993-04-19 | 1994-10-26 | Hung Yung Feng | Vacuum cleaner with ultra-violet sterilizing bulb |
| JPH08131522A (en) * | 1994-11-08 | 1996-05-28 | Morimasa Niimura | Sterilizing device |
| DE19860020A1 (en) * | 1997-12-31 | 1999-07-08 | Kwang Ju Electronics Co Ltd | Ultraviolet lamp holder structure in vacuum cleaners for killing bacteria |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2427812A (en) * | 2005-06-29 | 2007-01-03 | Jeffrey Martyn Sass | Static and airborne bacteria exterminator |
| EP2008562A3 (en) * | 2007-06-29 | 2009-04-29 | Gisowatt S.P.A. Industria Elettrodomestici | Method and vacuum cleaner apparatus with germicidal action |
| GB2516915A (en) * | 2013-08-06 | 2015-02-11 | Techtronic Floor Care Tech Ltd | Vacuum cleaners |
| WO2015019080A1 (en) * | 2013-08-06 | 2015-02-12 | Techtronic Floor Care Technology Limited | Water Filtration Widget |
| WO2018146710A3 (en) * | 2017-02-09 | 2018-09-20 | T.P.A. Impex S.P.A. | Multifunction vacuum cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1066404A2 (en) | 2005-02-25 |
| GB2412059B (en) | 2007-11-21 |
| GB0505411D0 (en) | 2005-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| COOA | Change in applicant's name or ownership of the application |
Owner name: JOHN MANUFACTURING LIMITED Free format text: FORMER APPLICANT(S): YUEN, JOHN S |
|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20190316 |