EP1112712A1 - Aspirateur - Google Patents
Aspirateur Download PDFInfo
- Publication number
- EP1112712A1 EP1112712A1 EP99830819A EP99830819A EP1112712A1 EP 1112712 A1 EP1112712 A1 EP 1112712A1 EP 99830819 A EP99830819 A EP 99830819A EP 99830819 A EP99830819 A EP 99830819A EP 1112712 A1 EP1112712 A1 EP 1112712A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vacuum cleaner
- reservoir
- cleaner according
- dust
- 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
Images
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
- A47L9/10—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
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
- A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
Definitions
- the present invention relates to a cleaner, particularly for domestic use.
- the present invention relates to a vacuum cleaner in which the dust is drawn into a reservoir containing a fluid, usually water, and is separated from the air by washing with the fluid.
- a fluid usually water
- vacuum cleaners of the above-mentioned type which comprise a suction pump in fluid communication with a reservoir containing water and a suction duct for conveying a flow of air containing dust into the reservoir.
- the suction pump creates an air-flow which enables the operator to collect the dust from a surface to be cleaned.
- the air mixed with the suspended dust is conveyed inside a flexible hose and is thus transported into a reservoir of the cleaner in which it undergoes a type of washing by means of the water contained therein.
- the dust is thus separated from the air and remains in the reservoir whilst the cleaned air is returned to the atmosphere surrounding the cleaner.
- the technical problem upon which the present invention is based is that of providing a vacuum cleaner which can be produced easily and economically and which achieves a more effective separation of the dust from a suction air-flow containing the dust, by washing with a fluid, so as to overcome the drawbacks mentioned above with reference to the prior art.
- a vacuum cleaner comprising a dust-collection reservoir containing a fluid and at least one duct for conveying an air-flow comprising the dust into the reservoir, the flow being mixed with the fluid so as to generate a dynamic and turbulent mixture, characterized in that the reservoir comprises interception means for generating a swirling motion of the mixture inside the reservoir.
- the vacuum cleaner according to the invention comprises a body 2 having wheels 3 and 4 at the bottom and a carrying handle 5 at the top.
- the vacuum cleaner 1 also comprises a removable dust-collection reservoir 7, housed in the body 2 and containing, up to a predetermined maximum level, a fluid 8, for example, water, possibly mixed with deodorant products, fresheners, etc.
- a fluid 8 for example, water, possibly mixed with deodorant products, fresheners, etc.
- the reservoir 7 comprises a support base 13, an upper rim 14, a wall 16 having a substantially concave profile, and a baffle 17 which extends from the rim 14.
- the support base 13 is connected to the curved wall 16 by means of a curved portion 20 shaped so as to create a profile for supporting the reservoir 7 in a corresponding seat 23 inside the body 2.
- the reservoir 7 further comprises a substantially vertical wall 25 which, in the vicinity of its upper edge, forms a projection 26 for supporting the tank 7 in a corresponding seat 18 inside the body 2.
- the base 13 is connected to the wall 25 by means of a step-like portion 29 which terminates, in the vicinity of the wall 25, in a bearing edge 32 of the reservoir 7.
- a hollow filter-holder 9 is fitted in the reservoir 7 and a substantially coaxial duct 11 extends through the filter-holder 9 in order to convey a flow of air and dust into the reservoir 7.
- the filter-holder 9 is disposed in the vicinity of the baffle 17 on the side remote from the wall 16. It has conventional engagement means for fitting in corresponding seats of the upper rim 14.
- the duct 11 terminates outside the cleaner 1 in an element 12 for the engagement of a conventional flexible hose 37 which enables the operator to pick up the dust from a surface to be cleaned.
- the duct 11 Inside the reservoir 7, the duct 11 has an end portion 15 which is bent to form an elbow and has an opening 22 for delivering a flow of air and dust into the reservoir 7.
- the end portion 15 preferably has a reduction in its cross-section in the vicinity of the opening 22 in order advantageously to increase the speed at which the flow of air and dust is delivered into the reservoir.
- the outlet profile of the opening 22 preferably has a substantially oval cross-section so that the flow of air and dust entering the reservoir 7 is rendered laminar.
- the filter-holder 9 also has an external annular grating 21 which constitutes a first filtering element, and an internal, annular, spongy filter 19 for retaining particles of water transported by the air which has been cleaned of the dust.
- the cleaner 1 further comprises, housed inside the body 1, a suction pump 33 driven by a motor in fluid communication with the filter-holder 9 and with the reservoir 7 by means of a duct 36.
- a second filter-holder interposed in the duct 36 contains a filter 38 for removing any particles of dust which are transported by the air after the washing with the fluid and which, in the absence of this filter, would be returned to the atmosphere outside the cleaner 1.
- the filter 38 is preferably of the type which can also remove, from a gaseous flow, particularly fine dust particles which might more easily escape separation during the washing of the air with the fluid.
- the opening 22 is preferably beneath the free surface of the liquid and the air and dust are therefore quickly mixed with the water contained in the reservoir 7.
- the opening 22 for delivering the flow of air and dust is advantageously disposed in the vicinity of the base 13 of the reservoir 7 so as to ensure that the components of the flow are mixed with a large volume of the liquid.
- the delivery opening 22 may be located in any position inside the reservoir 7 and, if necessary, even above the free surface of the fluid.
- This mixture is also dynamic with characteristics of motion which depend on various factors, amongst which is the entry speed and the direction in which the flow of air and dust is delivered into the reservoir.
- the direction in which the flow is delivered is such as to force the mixture against one wall of the reservoir 7 at a suitable speed.
- the direction in which the flow is delivered has a component substantially tangential to the base 13 and the mixture comprising water, air and dust is continuously urged against the wall 16 with the concave profile.
- the interception of the mixture by the wall 16 brings about partial atomization of a portion of the mixture which, for example, follows the path indicated B in Figure 4, tending to be re-mixed with the flow of air and dust delivered continuously by the opening 22.
- a second portion of the mixture tends to rise along the wall 16, for example, following the path indicated C in Figure 4, and is urged against the baffle 17 also by virtue of the particular concave profile of the wall 16.
- the portion of the mixture which is intercepted by the baffle 17 is partially atomized and falls back into the reservoir 7, coming into contact with the particles of air and water released by the first atomization and with the underlying portion of the mixture.
- the overall effect achieved by the vacuum cleaner according to the invention is therefore that of creating a swirling or continuously recirculating motion of the mixture in a region of the reservoir 7 delimited partially by the wall 16 and by the baffle 17 which act as means for intercepting the flow and atomizing the mixture.
- This swirling motion advantageously enables the dust to be separated more effectively since the period of contact between the water and the air containing the dust as well as the exchange surface between air and water are increased as a result of the atomization.
- the forced downward direction of movement produced by the baffle 17 advantageously prevents the mixture and the moisture-rich air particles from being drawn into the filter-holder 9 immediately.
- the air cleaned of the dust and still having a certain moisture content, follows the path indicated D in Figure 4, passing through the grating 21 and the filter-holder 9 where the annular filter 19 removes the particles of water contained in the air.
- the substantially dried air then passes through the duct 36, reaching the suction pump 33, and is finally released into the surrounding atmosphere.
- Any residual dust particles which have not been separated by the washing with water in the reservoir 7 are substantially removed from the air by means of the filter 38 interposed in the duct 36.
- the main advantage of the vacuum cleaner according to the present invention lies in its greater efficiency in separating the dust from the air in comparison with conventional water vacuum cleaners.
- a further advantage of the vacuum cleaner is that it can be produced easily and economically, without appreciable additional costs in comparison with conventional water vacuum cleaners.
- the position and number of suction ducts for admitting the air and dust to the reservoir may be varied at will by the expert in the art in dependence on specific requirements.
- the baffle may be located in any region inside the reservoir, according to specific requirements for the interception of the flow, or may even be replaced by other functionally equivalent means.
- the performance of the vacuum cleaner according to the invention in terms of cleaning, may be further improved by the connection thereto of means for washing the surfaces to be cleaned.
- a spray device or apparatus for producing and delivering steam may be incorporated in the cleaner in order to wet the surfaces to be cleaned beforehand and hence to draw in a flow of moist air and dust.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT99830819T ATE321485T1 (de) | 1999-12-30 | 1999-12-30 | Staubsauger |
PT99830819T PT1112712E (pt) | 1999-12-30 | 1999-12-30 | Aspirador |
ES99830819T ES2259232T3 (es) | 1999-12-30 | 1999-12-30 | Aspiradora. |
EP99830819A EP1112712B1 (fr) | 1999-12-30 | 1999-12-30 | Aspirateur |
DE69930607T DE69930607T2 (de) | 1999-12-30 | 1999-12-30 | Staubsauger |
DK99830819T DK1112712T3 (da) | 1999-12-30 | 1999-12-30 | Stövsuger |
CY20061100727T CY1105502T1 (el) | 1999-12-30 | 2006-06-05 | Ηλεκτρικη σκουπα |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99830819A EP1112712B1 (fr) | 1999-12-30 | 1999-12-30 | Aspirateur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1112712A1 true EP1112712A1 (fr) | 2001-07-04 |
EP1112712B1 EP1112712B1 (fr) | 2006-03-29 |
Family
ID=8243739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99830819A Revoked EP1112712B1 (fr) | 1999-12-30 | 1999-12-30 | Aspirateur |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1112712B1 (fr) |
AT (1) | ATE321485T1 (fr) |
CY (1) | CY1105502T1 (fr) |
DE (1) | DE69930607T2 (fr) |
DK (1) | DK1112712T3 (fr) |
ES (1) | ES2259232T3 (fr) |
PT (1) | PT1112712E (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1088508A2 (fr) * | 1999-09-29 | 2001-04-04 | AEG Hausgeräte GmbH | Filtre à liquides pour appareil de nettoyage des sols |
WO2004060128A1 (fr) * | 2002-06-07 | 2004-07-22 | Gioel Italia '96 S.R.L. | Systeme d'aspiration a filtrage a l'eau |
EP1707098A2 (fr) | 2005-03-29 | 2006-10-04 | Suzhou Su-Vac Electric Motor Co., Ltd. | Aspirateur à bain de liquide avec un déflecteur incliné |
EP2676593A1 (fr) * | 2012-06-19 | 2013-12-25 | Robert Thomas Metall- und Elektrowerke GmbH & Co. KG | Aspirateur de sol doté d'un filtre à liquide agencé dans un boîtier d'aspirateur |
WO2014163595A1 (fr) * | 2013-03-30 | 2014-10-09 | Dada Ev Aletleri̇ San. Ve Ti̇c. Ltd. Sti̇. | Aspirateur comprenant un filtre à eau |
EP2835088A1 (fr) | 2013-08-08 | 2015-02-11 | POLTI S.p.A. | Système de séparation pour aspirateurs humides |
WO2015019080A1 (fr) * | 2013-08-06 | 2015-02-12 | Techtronic Floor Care Technology Limited | Accessoire de filtration d'eau |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989000021A1 (fr) * | 1987-07-07 | 1989-01-12 | Alwyn Harold Pearson | Aspirateur a bain de liquide |
JPH0366344A (ja) * | 1989-08-03 | 1991-03-22 | Sankyo Reijiyatsuku Kk | 掃除装置 |
US5343592A (en) * | 1993-10-08 | 1994-09-06 | Thermax | Hot water vacuum extraction machine with submicron size particle |
FR2745169A1 (fr) * | 1996-02-23 | 1997-08-29 | Vap Ind France Sa | Appareil combinant dans un meme boitier mobile un aspirateur a poussiere et un generateur de vapeur |
DE19720101C1 (de) * | 1997-05-14 | 1998-09-24 | Bahman Dr Solouki | Vorrichtung zum Umrüsten von Naß-/Trockenstaubsaugern zum Filtern durch ein Flüssigkeitsbad |
-
1999
- 1999-12-30 ES ES99830819T patent/ES2259232T3/es not_active Expired - Lifetime
- 1999-12-30 DE DE69930607T patent/DE69930607T2/de not_active Revoked
- 1999-12-30 DK DK99830819T patent/DK1112712T3/da active
- 1999-12-30 AT AT99830819T patent/ATE321485T1/de not_active IP Right Cessation
- 1999-12-30 PT PT99830819T patent/PT1112712E/pt unknown
- 1999-12-30 EP EP99830819A patent/EP1112712B1/fr not_active Revoked
-
2006
- 2006-06-05 CY CY20061100727T patent/CY1105502T1/el unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989000021A1 (fr) * | 1987-07-07 | 1989-01-12 | Alwyn Harold Pearson | Aspirateur a bain de liquide |
JPH0366344A (ja) * | 1989-08-03 | 1991-03-22 | Sankyo Reijiyatsuku Kk | 掃除装置 |
US5343592A (en) * | 1993-10-08 | 1994-09-06 | Thermax | Hot water vacuum extraction machine with submicron size particle |
FR2745169A1 (fr) * | 1996-02-23 | 1997-08-29 | Vap Ind France Sa | Appareil combinant dans un meme boitier mobile un aspirateur a poussiere et un generateur de vapeur |
DE19720101C1 (de) * | 1997-05-14 | 1998-09-24 | Bahman Dr Solouki | Vorrichtung zum Umrüsten von Naß-/Trockenstaubsaugern zum Filtern durch ein Flüssigkeitsbad |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 015, no. 221 (C - 0838) 6 June 1991 (1991-06-06) * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1088508A2 (fr) * | 1999-09-29 | 2001-04-04 | AEG Hausgeräte GmbH | Filtre à liquides pour appareil de nettoyage des sols |
EP1088508A3 (fr) * | 1999-09-29 | 2003-03-26 | AEG Hausgeräte GmbH | Filtre à liquides pour appareil de nettoyage des sols |
WO2004060128A1 (fr) * | 2002-06-07 | 2004-07-22 | Gioel Italia '96 S.R.L. | Systeme d'aspiration a filtrage a l'eau |
EP1707098A2 (fr) | 2005-03-29 | 2006-10-04 | Suzhou Su-Vac Electric Motor Co., Ltd. | Aspirateur à bain de liquide avec un déflecteur incliné |
EP1707098A3 (fr) * | 2005-03-29 | 2007-07-11 | Suzhou Su-Vac Electric Motor Co., Ltd. | Aspirateur à bain de liquide avec un déflecteur incliné |
EP2676593A1 (fr) * | 2012-06-19 | 2013-12-25 | Robert Thomas Metall- und Elektrowerke GmbH & Co. KG | Aspirateur de sol doté d'un filtre à liquide agencé dans un boîtier d'aspirateur |
WO2014163595A1 (fr) * | 2013-03-30 | 2014-10-09 | Dada Ev Aletleri̇ San. Ve Ti̇c. Ltd. Sti̇. | Aspirateur comprenant un filtre à eau |
WO2015019080A1 (fr) * | 2013-08-06 | 2015-02-12 | Techtronic Floor Care Technology Limited | Accessoire de filtration d'eau |
EP2835088A1 (fr) | 2013-08-08 | 2015-02-11 | POLTI S.p.A. | Système de séparation pour aspirateurs humides |
Also Published As
Publication number | Publication date |
---|---|
DE69930607D1 (de) | 2006-05-18 |
PT1112712E (pt) | 2006-07-31 |
ATE321485T1 (de) | 2006-04-15 |
EP1112712B1 (fr) | 2006-03-29 |
ES2259232T3 (es) | 2006-09-16 |
DK1112712T3 (da) | 2006-07-31 |
DE69930607T2 (de) | 2007-01-11 |
CY1105502T1 (el) | 2010-07-28 |
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