EP1074213A1 - Saugreinigungsgerät - Google Patents

Saugreinigungsgerät Download PDF

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Publication number
EP1074213A1
EP1074213A1 EP00116394A EP00116394A EP1074213A1 EP 1074213 A1 EP1074213 A1 EP 1074213A1 EP 00116394 A EP00116394 A EP 00116394A EP 00116394 A EP00116394 A EP 00116394A EP 1074213 A1 EP1074213 A1 EP 1074213A1
Authority
EP
European Patent Office
Prior art keywords
conduit
suction
tank
main
accumulation container
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
Application number
EP00116394A
Other languages
English (en)
French (fr)
Other versions
EP1074213B1 (de
Inventor
Flavio Passuello
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.)
Commital-Sami SpA
Original Assignee
Commital-Sami SpA
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 Commital-Sami SpA filed Critical Commital-Sami SpA
Publication of EP1074213A1 publication Critical patent/EP1074213A1/de
Application granted granted Critical
Publication of EP1074213B1 publication Critical patent/EP1074213B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47L9/183—Spray cleaning

Definitions

  • This invention concerns a suction cleaning apparatus of the liquid bath type, wherein particles of dust and dirt are filtered and separated from the air sucked in by means of damping means able to deliver, in a liquid, nebulized, vaporized or mixed form, a jet of fluid in a defined zone of the air-intake path.
  • liquid bath vacuum cleaners comprising a suction assembly associated with an accumulation container able to contain a defined quantity of water, the function of which is to retain the particles of dust and dirt which are conveyed into the accumulation container through a suction conduit to which cleaning accessories, such as brushes, nozzles or similar, may be selectively coupled.
  • the accumulation container must necessarily be filled with water, otherwise the dust sucked in is not retained, and so it arrives in the suction assembly and exits without being filtered.
  • these liquid bath vacuum cleaners must necessarily have intake paths which allow the air sucked in to transit in proximity with the surface of the water, or through the water, so that most of the particles of dust and dirt suspended in the air sucked in are retained by the water before the air reaches the suction assembly to be sent back into the environment again.
  • Document DE-U-298 12 110 describes a liquid bath vacuum cleaner which provides to spray water onto the stream of air and dirt passing through the suction tube in order to determine a first damping down of the particles of dust and dirt.
  • a pump which removes water from the tank where the dirt is collected and injects it inside the suction tube in cooperation with a spray device.
  • FR-A-2.745.169 provides to remove water from the dirt accumulation container by means of a Venturi effect, to separate a part of the water which is used to generate steam and then to mix water and steam to inject the mixture into the suction tube.
  • EP-A-768.058 provides to remove a certain quantity of water from the dirt accumulation container by means of a Venturi effect created by removing a jet of air from the delivery pipe of the suction turbine, and to spray the water into the suction tube upstream of the accumulation container itself.
  • DE-U-9105213 provides to use a pump suitable to put water taken from the accumulation container into circulation and to inject it into the immediate proximity of the suction turbine.
  • the present Applicant has designed and embodied this invention to overcome these shortcomings with a solution which is very efficient and simple from a constructional and functional point of view, and to obtain further advantages.
  • the purpose of the invention is to achieve a suction cleaning apparatus of the liquid bath type which is simple to make and to function, economic, functional and which allows to efficiently damp the particles of dust and dirt from the air sucked in before it is expelled into the environment.
  • Another purpose of the invention is to provide a cleaning apparatus able to function in an optimum manner for long periods of time, where the user is only required to empty an accumulation container and to refill a tank which is distinct and autonomous from the accumulation container.
  • a further purpose is to limit the emission into the atmosphere of unpleasant odors caused by the particles of dust and dirt sucked in.
  • Another purpose of the invention is to provide a cleaning apparatus able to automatically sanitize the accumulation container while the apparatus is in use, without needing outside intervention on the part of the user.
  • a cleaning apparatus comprises, in its essential parts, a suction assembly, dust damping means able to separate and pre-filter the particles of dust and dirt suspended in the air sucked in and an accumulation container able to collect the particles of dust and dirt damped, and to complete the separation process.
  • the dust damping means are able to inject a jet of fluid, which may be in liquid, nebulized, vaporized or mixed form, into a defined zone of the intake path arranged in a desired position upstream of the accumulation container.
  • the dust damping zone is provided immediately upstream of the accumulation container.
  • the fluid injected upstream of the accumulation container is taken from an autonomous tank, separate and distinct from the accumulation container, inside which a desired quantity of clean liquid is contained.
  • This liquid can be pure water, water with additives or specific liquids.
  • the fluid is removed from the autonomous tank, in a first embodiment, by means of pump means associated with a delivery conduit, the terminal element of which consists of a nozzle which, according to the different cases, can nebulize, divide or in some way spray the jet of fluid in a desired manner.
  • the fluid is removed directly, without pump means, thanks to the depression created by the suction tube.
  • the flow control means are of the self-regulating type, since they exert a more or less accentuated action of flow reduction which is in a direct ratio to the intensity of the suction.
  • the jet of fluid fulfils the function of a conventional filter of a vacuum cleaner device of a conventional type, with the difference that the jet of fluid needs neither maintenance nor replacements, and is much more efficient and reliable.
  • the steam can be injected alone into the suction tube upstream of the accumulation container, or two conduits can be provided, one for the steam and one for the water, the two streams being injected simultaneously into said suction tube.
  • the two streams of steam and water are pre-mixed upstream of the suction tube and the mixture thus obtained is then injected into the suction tube upstream of the accumulation container.
  • a suction cleaning apparatus 10 comprises, in its essential parts, a suction assembly 11 of a conventional type, in this case consisting of a motor 11a and a fan 11b, an accumulation container 12, also of a conventional type, and a damper assembly 20 able to separate the particles of dust and dirt from the air taken in, indicated by the arrows 29, before it reaches the suction assembly 11.
  • a suction assembly 11 of a conventional type in this case consisting of a motor 11a and a fan 11b
  • an accumulation container 12 also of a conventional type
  • a damper assembly 20 able to separate the particles of dust and dirt from the air taken in, indicated by the arrows 29, before it reaches the suction assembly 11.
  • the suction assembly 11 is able to create, inside the accumulation container 12, a depression so that the particles of dust and dirt deposited on any surface which is to be cleaned can be sucked in through a main conduit 19.
  • the main suction conduit 19 ends in an inlet mouth 19a to which any type of cleaning accessory can be selectively coupled.
  • the damper assembly 20 is able to deliver, in correspondence with a defined segment of the suction conduit 19, at least a jet of fluid 21 able to pre-filter and separate the particles of dust and dirt mixed in with the air 29 sucked in, so that what reaches the accumulation container 12 is substantially pure air and a mixture 114 consisting of the fluid delivered by said assembly 20 and the already damped particles of dust and dirt.
  • the jet of fluid 21 is obtained by removing liquid 14 from an appropriate tank 13, distinct and separate from the accumulation container 12, and delivering it by means of a conduit 30, which is equipped at the end with a delivery nozzle 18 facing into said main suction conduit 19.
  • the tank 13 can be refilled with fresh liquid 14 every time this is necessary, without entailing complex operations of opening, dis-assembling and removing the equipment located above and/or near the accumulation container 12.
  • the damper assembly 20 comprises the autonomous tank 13, able to contain a liquid 14, a pump 17 associated with the delivery conduit 30 and a nozzle 18.
  • the pump 17 is connected by means of a first tube 23 to the tank 13 and by means of a second tube 24 to the nozzle 18 which is coupled with the suction conduit 19.
  • the suction conduit 19 is provided with an elbow-shaped bend 19b able to encourage the creation of vortexes and turbulences in the flow of air sucked in, which make the damping of the particles of dust and dirt even more efficacious.
  • the nozzle 18 may be of any type and is able to determine the type of jet 21 (for example full, divided, nebulized) and its form (for example tapered, fan-shaped or otherwise).
  • the damper assembly 20 comprises not only the autonomous tank 13 and the pump 17, but also a boiler 25 and an electrovalve 26.
  • the boiler 25 is able to vaporize the liquid 14 so that, when the electrovalve 26 is opened, the nozzle 18 delivers a jet 21 consisting of steam.
  • the boiler 25 is able to heat the liquid 14 until it reaches a defined temperature, below vaporization temperature, so that, when the electrovalve 26 is opened, the nozzle 18 delivers a jet 21 of hot liquid.
  • the tank 13 is equipped with a level probe 28 able to signal to the user, by means of an electronic circuit which is not shown here, that the tank 13 needs refilling and possibly that the accumulation container 12 needs emptying.
  • the flow control device 31 has the self-regulating configuration shown in section in Fig. 7.
  • the device 31 comprises a first channel 36 to introduce clean liquid 14 at inlet, an introduction slit 35 which introduces the liquid into a regulation chamber 33, one wall of which is defined by an elastic membrane 34, and a second channel 32 from which the liquid 14 exits towards the conduit 19.
  • the function of the elastic membrane 34, dilating and compressing according to the entity of the suction, is to automatically regulate the flow of liquid exiting from the second channel 32, preventing too copious a flow from forming.
  • the damper assembly 20 is able to generate two separate streams, one of clean liquid and one of steam, which are injected into the suction conduit 19 through the respective nozzles 18.
  • the delivery of the respective streams is regulated, respectively, by the flow control device 31 in the case of the liquid, and by the electrovalve 26 in the case of the steam.
  • the two streams of liquid and steam are mixed before they are introduced into the suction conduit 19.
  • Fig. 3 shows a form of embodiment which can be used both to achieve the functional diagram as shown in Fig. 1 and Fig. 2, Figs. 5 and 6, wherein the accumulation container 12, the suction assembly 11 and the damper assembly 20, including the autonomous tank 13, are enclosed in a single containing structure 27, possibly equipped with handles and wheels which are not shown here.
  • Fig. 3 it can be seen how the tank 13, by means of the relative stopper 37 protruding from the structure 27, can be easily and quickly filled with fresh clean liquid when the level sensor 28 signals that the liquid is about to finish.
  • the containing structure 27 is equipped with support means able to accommodate the accumulation container 12 in such a way that it can be removed, so as to facilitate filling and emptying operations.
  • conduit 30, or the tube 24 may be directly connected to the suction conduit 19, without needing to use a nozzle 18.
  • a boiler 25 and the electrovalve 26 it is possible to use an instant boiler.
  • the solution shown in Fig. 1 may be integrated with the solution shown in Fig. 2 to obtain a jet 21 consisting of both liquid and steam.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Power Steering Mechanism (AREA)
  • Fish Paste Products (AREA)
  • Golf Clubs (AREA)
  • Cleaning In General (AREA)
  • Detergent Compositions (AREA)
  • Surgical Instruments (AREA)
  • Inorganic Insulating Materials (AREA)
EP00116394A 1999-08-04 2000-07-28 Saugreinigungsgerät Expired - Lifetime EP1074213B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUD990145 1999-08-04
IT1999UD000145A IT1310887B1 (it) 1999-08-04 1999-08-04 Apparecchio di pulizia ad aspirazione

Publications (2)

Publication Number Publication Date
EP1074213A1 true EP1074213A1 (de) 2001-02-07
EP1074213B1 EP1074213B1 (de) 2008-11-12

Family

ID=11423014

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00116394A Expired - Lifetime EP1074213B1 (de) 1999-08-04 2000-07-28 Saugreinigungsgerät

Country Status (4)

Country Link
EP (1) EP1074213B1 (de)
AT (1) ATE413834T1 (de)
DE (1) DE60040770D1 (de)
IT (1) IT1310887B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1256306A2 (de) * 2001-05-08 2002-11-13 Esse 85 S.R.L. Staubsauger mit Flüssigkeitsfilter
WO2003096864A1 (en) * 2002-05-15 2003-11-27 Commital-Sami Spa Liquid bath filter device for a vacuum cleaner apparatus
KR100842371B1 (ko) 2007-04-24 2008-06-30 유지혜 청소기용 습식 흡입장치
EP2095753A1 (de) 2008-02-29 2009-09-02 Unitekno SpA Vorfiltervorrichtung für eine Reinigungsvorrichtung, Ansaugvorrichtung mit der Filtervorrichtung und entsprechendes Vorfilterverfahren

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE213932C (de) * 1910-02-04 1909-10-09
US4553991A (en) * 1983-06-09 1985-11-19 S.A.R.L. Aspiramatic Centralized suction cleaning installations
DE9105213U1 (de) * 1990-05-02 1991-08-01 Alfred Kärcher GmbH & Co, 7057 Winnenden Staubsauggerät
EP0768058A2 (de) * 1995-10-13 1997-04-16 T.P.A. IMPEX S.p.A. Haushaltsreinigungsmaschine
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
DE29812110U1 (de) * 1997-07-10 1998-09-24 Hrsel, Karel, Prag/Praha Staubsaugevorrichtung mit Naßfilter
US5873143A (en) * 1996-12-26 1999-02-23 Terry Huey Exhaust filtration system for vacuum cleaners

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE213932C (de) * 1910-02-04 1909-10-09
US4553991A (en) * 1983-06-09 1985-11-19 S.A.R.L. Aspiramatic Centralized suction cleaning installations
DE9105213U1 (de) * 1990-05-02 1991-08-01 Alfred Kärcher GmbH & Co, 7057 Winnenden Staubsauggerät
EP0768058A2 (de) * 1995-10-13 1997-04-16 T.P.A. IMPEX S.p.A. Haushaltsreinigungsmaschine
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
US5873143A (en) * 1996-12-26 1999-02-23 Terry Huey Exhaust filtration system for vacuum cleaners
DE29812110U1 (de) * 1997-07-10 1998-09-24 Hrsel, Karel, Prag/Praha Staubsaugevorrichtung mit Naßfilter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1256306A2 (de) * 2001-05-08 2002-11-13 Esse 85 S.R.L. Staubsauger mit Flüssigkeitsfilter
EP1256306A3 (de) * 2001-05-08 2004-10-27 EKO S.p.A. Staubsauger mit Flüssigkeitsfilter
WO2003096864A1 (en) * 2002-05-15 2003-11-27 Commital-Sami Spa Liquid bath filter device for a vacuum cleaner apparatus
KR100842371B1 (ko) 2007-04-24 2008-06-30 유지혜 청소기용 습식 흡입장치
EP2095753A1 (de) 2008-02-29 2009-09-02 Unitekno SpA Vorfiltervorrichtung für eine Reinigungsvorrichtung, Ansaugvorrichtung mit der Filtervorrichtung und entsprechendes Vorfilterverfahren

Also Published As

Publication number Publication date
ATE413834T1 (de) 2008-11-15
EP1074213B1 (de) 2008-11-12
DE60040770D1 (de) 2008-12-24
ITUD990145A0 (it) 1999-08-04
ITUD990145A1 (it) 2001-02-04
IT1310887B1 (it) 2002-02-22

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