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WO2007049131A2 - Appareil de nettoyage - Google Patents

Appareil de nettoyage Download PDF

Info

Publication number
WO2007049131A2
WO2007049131A2 PCT/IB2006/002993 IB2006002993W WO2007049131A2 WO 2007049131 A2 WO2007049131 A2 WO 2007049131A2 IB 2006002993 W IB2006002993 W IB 2006002993W WO 2007049131 A2 WO2007049131 A2 WO 2007049131A2
Authority
WO
WIPO (PCT)
Prior art keywords
conduit
pump
steam
liquid
drum
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.)
Ceased
Application number
PCT/IB2006/002993
Other languages
English (en)
Other versions
WO2007049131A3 (fr
Inventor
Giancarlo Lanfredi
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.)
Lavorwash SpA
Original Assignee
Lavorwash 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 Lavorwash SpA filed Critical Lavorwash SpA
Publication of WO2007049131A2 publication Critical patent/WO2007049131A2/fr
Publication of WO2007049131A3 publication Critical patent/WO2007049131A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2230/00—Other cleaning aspects applicable to all B08B range
    • B08B2230/01—Cleaning with steam

Definitions

  • the invention relates to a cleaning apparatus, in particular a cleaning apparatus for cleaning surfaces by means of a cleaning fluid in the form of a jet of liquid and/or jet of steam.
  • EP 1488973 discloses a cleaning machine comprising a casing provided with an inlet for the supply of a cleaning liquid, for example water, a heating unit that is used to heat the cleaning liquid or to generate steam from the latter, and a high pressure pump that enables a pressurised jet of the cleaning liquid to be obtained.
  • a cleaning liquid for example water
  • a heating unit that is used to heat the cleaning liquid or to generate steam from the latter
  • a high pressure pump that enables a pressurised jet of the cleaning liquid to be obtained.
  • a dispensing conduit by means of which the pressurised jet, in liquid state, or alternatively in steam state, is dispensed onto the surfaces to be cleaned.
  • tanks containing a detergent product that is mixed with the water before the latter is dispensed by means of the dispensing conduit to improve the cleaning action.
  • a drawback of known cleaning machines is that they are rather slow in switching from water operating mode to steam operating mode.
  • a still further drawback is that known cleaning machines have a very complex structure and are rather costly. In fact, known cleaning machines require a specially designed casing that has to house multiple components to be able to produce, from the same fluid, a jet of liquid or a jet of steam.
  • An object of the invention is to improve known cleaning apparatuses . Another object is to provide a cleaning apparatus that is able to operate in a first mode in which a jet of liquid is dispensed and in a second mode in which a jet of steam is dispensed, passing rapidly from the first to the second mode or vice versa. Still another object of the invention is to provide a very- simple and versatile cleaning apparatus.
  • a cleaning apparatus comprising a conduit for dispensing a liquid onto a surface to be cleaned, pump means housed in a casing for sending said liquid from an inlet of said liquid to said conduit, steam generating means for generating a jet of steam, characterised in that said steam generating means communicates with a further conduit exiting said casing and distinct from said conduit.
  • the cleaning apparatus can simultaneously dispense a pressurised liquid and a jet of steam.
  • This apparatus can be used simultaneously by two operators for cleaning surfaces that are separate and require different cleaning modes. For example, a first operator can clean the surface of a floor using a pressurised liquid and a second operator can simultaneously exploit a jet of steam to clean the surface of a door or window, for example the glass surface of a window.
  • a cleaning apparatus comprising operating means for processing a cleaning fluid and conduit means for dispensing said cleaning fluid onto a surface to be cleaned, said operating means comprising pump means for sending said cleaning fluid in liquid form onto said surface to be cleaned, said operating means further comprising steam generating means for generating a jet of steam from said cleaning fluid, characterised in that said , operating means defines supporting means on which said conduit means is windable.
  • the conduit means can be wound around the supporting means so as to reduce noticeably the total dimensions of the apparatus .
  • the supporting means is obtained directly on the operating means, there is no need to provide a separate support for the conduit means, which makes the cleaning apparatus particularly simple to construct and assemble .
  • a cleaning apparatus comprising dispensing means for dispensing a liquid onto a surface to be cleaned, pump means for sending said liquid from an inlet of said liquid to said dispensing means, characterised in that it further comprises electricity supply means connectable to an operating machine for providing electric energy that supplies said operating machine .
  • the electricity supply means can be used to supply possible operating machines or tools that the operator already has at his disposal. Such operating machines or tools can be used in combination with the cleaning apparatus to obtain various functions .
  • the electricity supply means it is possible to connect a portable steam generator to the cleaning apparatus so as to obtain a machine provided with a cleaning apparatus that is able to dispense high-pressure liquid and with a steam generator able to dispense a jet of steam.
  • the steam generator can be of commercial type, whilst the cleaning apparatus can be constructed by modifying a known water cleaner in a limited manner.
  • the machine so obtained thus has a very simple and cheap structure.
  • Figure 1 is a schematic view of a first embodiment of cleaning apparatus
  • Figure 2 is a schematic view of a second embodiment of cleaning apparatus
  • Figure 3 is a schematic view of a third embodiment of cleaning apparatus
  • Figure 4 is a side view of the cleaning apparatus in Figure 3 in a work configuration
  • Figure 5 is a fragmentary view of a portion of the cleaning apparatus in Figure 4 in a rest configuration.
  • a cleaning apparatus 1 in particular a water cleaner, comprising a casing 2, inside which there is housed a pump 4, for example a high pressure pump.
  • the pump 4 receives a cleaning liquid, for example water, through an inlet conduit 14 connected to a water mains that is not shown.
  • a detergent contained in a tank 3 can be added to the water.
  • the high pressure pump 4 pressurises the water, to which the detergent may have been added, to take it to a pressure above 25 bar and possibly comprised between 60 and 200 bar.
  • a distribution conduit 5 by means of which the pressurised water is taken outside the casing 2, generating a jet of pressurised liquid.
  • a dispensing device 6 for example a gun, a nozzle or another dispensing accessory, that enables the jet of liquid to be adjusted by directing it to a surface to be cleaned.
  • a dispensing device 6 On the casing 2 there is provided an electricity supply socket 7 to which an electric plug of an operating machine can be connected so as to supply the latter electrically.
  • the electricity supply socket 7 is able to supply electric current at a voltage that is equal to mains voltage.
  • the electricity supply socket 7 is selected in such a way as to be able to dispense current at a voltage of 120 V and at a frequency of 60 Hz.
  • the electricity supply socket 7 is selected in such a way as to dispense current at a voltage of 220 V or 240 V and at a frequency of 50 Hz.
  • the operating machine that is connectable to the electricity supply socket 7 may comprise a steam generator 8 of a type normally available on the market.
  • a steam generator 8 By connecting the steam generator 8 to the electricity supply socket 7 it is possible to obtain a machine that is able to operate both as a water cleaner, in which case a jet of high-pressure liquid is dispensed, and as a steam generator .
  • the operator can select the preferred cleaning mode according to the type of surface to be cleaned. In particular, if it is desired to clean a surface with a jet of liquid, the water coming from the water mains is pumped by the high pressure pump 4 through the distribution conduit 5 until it reaches the dispensing device 6. The latter is activatable by the operator to dispense a jet of water onto the surface to be cleaned.
  • the casing 2 there can be housed a heating device for heating the cleaning liquid, so that the latter can be dispensed at a temperature that is greater than ambient temperature, whilst still being in liquid state.
  • the steam generator 8 can be removed from the electricity supply socket 7. In this way the cleaning apparatus 1 can be managed with greater facility, given the very light weight.
  • the steam generator 8 is provided with a respective tank of water and with a boiler for vaporising the water. It should be noted that the cleaning apparatus 1 shown in Figure 1 is structurally very simple and cheap, inasmuch as it does not require complicated internal devices that are necessary for generating steam.
  • the cleaning apparatus 1 can be provided with control means, which is not shown, which is arranged for operationally controlling the high pressure pump 4 so as to regulate the pressure of the pressurised jet of liquid.
  • control means which is not shown, which is arranged for operationally controlling the high pressure pump 4 so as to regulate the pressure of the pressurised jet of liquid.
  • FIG 2 there is shown an alternative embodiment of the cleaning apparatus 1, that is able to clean a surface with a jet of liquid or with a jet of steam, according to the choice of the user.
  • the cleaning apparatus 1 can dispense a jet of liquid in a completely similar way to what has been disclosed with reference to Figure 1, inasmuch as it is provided with a high pressure pump 4 that receives a cleaning liquid from an inlet conduit 14 and sends it to a dispensing device 6 through a distribution conduit 5.
  • a supply conduit 25 through which a fraction of the cleaning liquid coming from the inlet conduit 14 is directed to a boiler 11.
  • the latter heats the cleaning liquid to a temperature that is sufficient for producing a jet of steam therefrom.
  • the boiler 11 is housed inside a further dispensing device 13 mounted at an end of a hose 12 that encloses the supply conduit 25.
  • a choking device 15 that enables the flow of cleaning liquid directed to the boiler 11 to be regulated in function of the requirements of the user.
  • the choking device 15 further enables the supply of cleaning liquid to the boiler 11 to be interrupted when the cleaning operations are terminated.
  • the pump 4 sends the cleaning liquid coming from the inlet conduit 14, possibly with the addition of the detergent contained in the tank 3, towards the dispensing device 6.
  • the cleaning liquid coming from the inlet conduit 14 reaches, through the supply conduit 25, the boiler 11.
  • the cleaning liquid is vaporised so as to be able to be subsequently dispensed onto the surface to be cleaned through the further dispensing device 13.
  • the boiler 11, being arranged inside the further dispensing device 13, enables a jet of steam at high temperature to be obtained at the outlet of the further dispensing device 13, inasmuch as the jet of steam is not forced to pass entirely through the hose 12 before being expelled to the surface to be treated.
  • the cleaning liquid to be sent to the boiler 11 is taken directly from the water mains, it is not necessary to provide a separate tank for the liquid to be vaporised. This simplifies the structure of the cleaning apparatus 1 and eliminates the need to top up periodically the liquid to be vaporised.
  • FIG. 3 shows another embodiment of the cleaning apparatus 1, that operates in a manner that is completely similar to what has been disclosed with reference to Figures 1 and 2 when the jet of liquid has to be dispensed onto the surface to be cleaned, but differs from the embodiments of Figures 1 and 2 in terms of the mode of dispensing of the jet of steam.
  • the cleaning apparatus 1 comprises a further tank 10 inside which a liquid, for example distilled water, is contained, intended for being heated to obtain a jet of steam.
  • the further tank 10 is connected to a further pump 18 that removes the liquid from the further tank 10 and sends it to a boiler 111. The latter heats the liquid to a sufficient temperature to obtain therefrom a jet of steam.
  • the jet of steam through a connecting conduit 9 housed in the hose 12, is conveyed to the further dispensing device 13, by means of which it can be dispensed onto the surface to be cleaned.
  • switch means 20 is provided that enables dispensing of a jet of pressurised liquid through the dispensing device 6 and/or dispensing of a jet of steam through the further dispensing device 13 to be selectively activated.
  • the hose 12 can be connected in a removable manner to the casing 2.
  • a steam socket in which a connector can be inserted that is included in the hose 12 when it is desired to use the cleaning apparatus 1 for dispensing a jet of steam.
  • Figures 4 and 5 show a possible embodiment of the working cleaning apparatus 1 according to the diagram in Figure 3.
  • the module 21 comprises a drum 22 inside which the further high pressure pump 18 and the boiler 111 shown in Figure 3 are arranged.
  • the drum 22 has a substantially cylindrical shape.
  • the drum 22 can also have different shapes from the cylindrical shape. In general, it is sufficient for the drum 22 to project from the casing 2 so as to define a support on which the tube 12 can be wound when it is not necessary to dispense steam, as shown in Figure 5.
  • the further tank 10 At an end of the drum 22, opposite the one adjacent to the rear wall 16, there is mounted the further tank 10 in which, as already disclosed with reference to Figure 3 , there is contained the liquid to be vaporised.
  • the further tank 10 protrudes radially from the drum 22, inasmuch as it has a cross section that is greater than the cross section of the drum 22.
  • On the further tank 10 there is thus defined a side containing surface 23 on which the hose 12 rests when it is wound around the drum 22.
  • a further side containing a surface 24 on which the hose 12 can rest is defined on the rear wall 16.
  • the module 21 enables a very versatile and compact cleaning apparatus 1 -to be obtained because it is able both to generate steam and to act as a hose winder onto which the hose 12 can be wound when the cleaning apparatus 1 is not working or dispensing a jet of liquid.
  • the distribution conduit 5, which is not shown in Figure 4 can be wound onto the drum 22, as an alternative to the hose 12, by means of which distribution conduit 5 it is possible to dispense the jet of liquid onto the surface to be cleaned.

Landscapes

  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)

Abstract

L'invention porte sur un appareil de nettoyage comportant: un conduit (5) dispensant un liquide sur la surface à nettoyer, une pompe (4) montée dans un carter (2) et faisant passer ledit liquide de son orifice d'introduction dans le conduit (5), et un moyen (11, 111) de production d'un jet de vapeur communiquant avec un autre conduit (9, 25) sortant du carter (2) et distinct du conduit (5).
PCT/IB2006/002993 2005-10-26 2006-10-25 Appareil de nettoyage Ceased WO2007049131A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMO2005A000280 2005-10-26
IT000280A ITMO20050280A1 (it) 2005-10-26 2005-10-26 Apparato pulitore

Publications (2)

Publication Number Publication Date
WO2007049131A2 true WO2007049131A2 (fr) 2007-05-03
WO2007049131A3 WO2007049131A3 (fr) 2007-11-08

Family

ID=37758670

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/002993 Ceased WO2007049131A2 (fr) 2005-10-26 2006-10-25 Appareil de nettoyage

Country Status (2)

Country Link
IT (1) ITMO20050280A1 (fr)
WO (1) WO2007049131A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210207797A1 (en) * 2021-03-24 2021-07-08 CleanNesta LLC High-pressure instant steam generator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1303211B1 (it) * 1998-08-06 2000-11-02 R E A S N C Di Sassi E Baudin Macchina per lavaggio con vapore e acqua
US20050183752A1 (en) * 2003-04-03 2005-08-25 Williams Emmanuel H. Mobile vehicle steam cleaning system
GB0314515D0 (en) * 2003-06-21 2003-07-30 Kemp Robert Pressure cleaning system
IL158443A0 (en) * 2003-10-16 2004-05-12 Moshe Jan Steam cleaning apparatus
US20050178410A1 (en) * 2004-02-13 2005-08-18 Levy Moise M. Low pressure saturated steam cleaning assembly with chemical delivery system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210207797A1 (en) * 2021-03-24 2021-07-08 CleanNesta LLC High-pressure instant steam generator
US11953197B2 (en) * 2021-03-24 2024-04-09 CleanNesta LLC High-pressure instant steam generator

Also Published As

Publication number Publication date
WO2007049131A3 (fr) 2007-11-08
ITMO20050280A1 (it) 2007-04-27

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