EP2893193B1 - Système équipé d'une unité de pompage à pression variable et à faible débit, en particulier pour le nettoyage - Google Patents

Système équipé d'une unité de pompage à pression variable et à faible débit, en particulier pour le nettoyage Download PDF

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Publication number
EP2893193B1
EP2893193B1 EP13756704.6A EP13756704A EP2893193B1 EP 2893193 B1 EP2893193 B1 EP 2893193B1 EP 13756704 A EP13756704 A EP 13756704A EP 2893193 B1 EP2893193 B1 EP 2893193B1
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EP
European Patent Office
Prior art keywords
pressure
pump
water
flow
motor
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.)
Active
Application number
EP13756704.6A
Other languages
German (de)
English (en)
Other versions
EP2893193A2 (fr
Inventor
Gerardo LAMESTA
Alberto KUSCHLAN
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.)
Nuove Tecnologie Applicate Srl
Original Assignee
Nuove Tecnologie Applicate Srl
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Publication of EP2893193A2 publication Critical patent/EP2893193A2/fr
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Publication of EP2893193B1 publication Critical patent/EP2893193B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
    • 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
    • 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
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump
    • B05B9/0855—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being motor-driven
    • B05B9/0861—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being motor-driven the motor being electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
    • B08B2203/0223—Electric motor pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
    • B08B2203/027—Pump details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0209—Rotational speed

Definitions

  • the present invention refers to a system equipped with variable-pressure and low-flow-rate pumping unit.
  • the invention will be described with reference to a system for cleaning, but it will be able to be used, in an equally efficient way, in similar, but also different, fields, such as industrial cleaning, materials-removing activities, de-painting, etc., as described below.
  • variable-pressure water for example for washing pipes, reactors, floors, machinery, painting plants, tanks and the like.
  • the pumping units and variable-pressure systems available on the market have the purpose of exploiting the whole power provided by the variable-pressure pump, in terms both of pressure and of flow-rate.
  • the variable-pressure water allows not using acids or solvents for cleaning, with consequent environmental and economic benefits.
  • High-pressure systems are further known, which however require exploiting the whole power supplied by the high-pressure pump, in terms both of pressure and of flow-rate.
  • object of the present invention is solving the above prior art problems, by providing a system equipped with variable-pressure and low-flow-rate pumping unit, that allows obtaining the following improvements:
  • purpose of the system according to the present invention is providing minimum performance for carrying out its working (industrial cleaning, materials-removing activities, paint stripping, etc.) in order to use the lowest amount of water possible; this is the innovation introduced by this pumping unit, that has been devised and designed in order to optimise this object.
  • the inventive system therefore comprises:
  • the pumping unit of the invention can further comprise at least one system 9 for filtering water, connected to at least one tank 11 for water, in turn connected to at least one electro-pump booster 13, connected to the high-pressure pump 1; and
  • the high-pressure pump 1 is connected to the electric motor 3 through a coupling system that transmits motion.
  • the electric motor 3 is driven through an electric panel (not shown) that includes the inverter 5 in order to be able to change the revolutions of the high-pressure pump 1 and therefore its flow-rate; the revolutions of the motor 3 are regulated by the operator depending on the pressure value to be adopted and the consumption of water to be obtained.
  • the supply water to the high-pressure pump 1 is made pass through a filtering system 9 and then it is stored into the accumulating tank 11; the electro-pump booster 13 allows sending water at the inlet of the high-pressure pump 1.
  • the high-pressure pump 1 is further equipped with a control valve (not shown) that can be actuated both electrically and pneumatically; and the air compressor 7 takes care of providing the necessary compressed air.
  • the air compressor 7 then supplies the pneumatic motor of the rotary head of the nozzle 15.
  • the rotary head can have both a symmetrical and an asymmetrical arrangement of its nozzles: in addition, the system further comprises at least one second nozzle equipped with at least one rotary head rotated by the water flow going out of its nozzles.
  • the innovative aspect of the above-described pumping unit consists in building the high-pressure pump 1 so that it delivers the maximum possible pressure with a very low flow-rate and at a reduced size, solution that can be obtained by using the inverter 5 connected to the electric motor 3, also with small sizes.
  • the above-described system with pumping unit can be installed on a van (not shown) dedicated to the system itself, namely equipped with an electric supply source and with an accumulating tank in order to guarantee some autonomous operating hours.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)

Claims (8)

  1. Système, en particulier pour le nettoyage, comprenant :
    - au moins une unité de pompage à haute pression (1) conçue pour pomper avec une pression élevée de sortie d'eau ou d'autres fluides analogues ;
    - au moins un moteur électrique (3), relié à la pompe haute pression (1), qui actionne celle-ci ;
    - au moins un dispositif (5) de réglage des tours de la pompe (1) ; il est relié au moteur (3) pour commander ce dernier et régler la pompe (1) de sorte qu'elle distribue l'eau à pression variable, de préférence de 0 à 500 bars, et avec un débit très faible, de préférence de 2 à 41/min ;
    - au moins un gicleur (15) ;
    caractérisé en ce qu'il est doté au moins d'une tête tournante actionnée par un moteur pneumatique ; et
    - au moins un compresseur à air (7) apte à fournir l'air comprimé d'alimentation nécessaire au moteur pneumatique.
  2. Système, selon la revendication 1, caractérisé en ce qu'il comprend au moins un second gicleur doté au moins d'une tête tournante actionnée par le flux d'eau sortant des gicleurs.
  3. Système, selon la revendication 1, caractérisé en ce que le dispositif de réglage (5) est un variateur.
  4. Système, selon la revendication 1, caractérisé en ce qu'il comprend au moins un système (9) de filtrage de l'eau, relié au moins à un réservoir (11) pour l'eau, ce dernier étant relié à une électropompe booster (13) qui est branchée à la pompe haute pression (1).
  5. Système, selon la revendication 1, caractérisé en ce que la pompe haute pression (1) est reliée au moteur électrique (3) à l'aide d'un système d'accouplement qui transmet le mouvement.
  6. Système, selon la revendication 1, caractérisé en ce que le moteur électrique (3) est commandé à travers un tableau électrique qui comprend le dispositif de réglage (5) afin de varier les tours de la pompe haute (1) et donc son débit ; les tours moteur (3) sont réglés par l'opérateur en fonction de la valeur de pression à adopter et de la consommation d'eau à obtenir.
  7. Système, selon la revendication 1, caractérisé en ce qu'il comprend aussi une vanne de contrôle qui est actionnée électriquement ou pneumatiquement.
  8. Système, selon la revendication 1, indiqué pour être installé sur une camionnette dédiée au système, cette camionnette est dotée d'une source d'alimentation électrique et d'un réservoir d'accumulation garantissant quelques heures de fonctionnement en autonomie.
EP13756704.6A 2012-07-12 2013-07-03 Système équipé d'une unité de pompage à pression variable et à faible débit, en particulier pour le nettoyage Active EP2893193B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000615A ITTO20120615A1 (it) 2012-07-12 2012-07-12 Sistema dotato di unita' pompante pressione variabile e bassa portata, in particolare per pulizie
PCT/IT2013/000185 WO2014009983A2 (fr) 2012-07-12 2013-07-03 Système équipé d'une unité de pompage à pression variable et à faible débit, en particulier pour le nettoyage

Publications (2)

Publication Number Publication Date
EP2893193A2 EP2893193A2 (fr) 2015-07-15
EP2893193B1 true EP2893193B1 (fr) 2016-12-14

Family

ID=46800302

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13756704.6A Active EP2893193B1 (fr) 2012-07-12 2013-07-03 Système équipé d'une unité de pompage à pression variable et à faible débit, en particulier pour le nettoyage

Country Status (4)

Country Link
EP (1) EP2893193B1 (fr)
ES (1) ES2619627T3 (fr)
IT (1) ITTO20120615A1 (fr)
WO (1) WO2014009983A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600083983A1 (it) * 2016-08-09 2016-11-09 Nuove Tecnologie Applicate S R L Veicolo dotato di generatore elettrico, in particolare per alimentare un sistema di pulizia con unità pompante a pressione variabile e bassa portata

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29716906U1 (de) * 1997-07-17 1997-11-20 Eberherr, Herbert, 97638 Mellrichstadt Pumpenkopf für eine Hub-Kolbenpumpe
DE102005028116A1 (de) * 2005-06-13 2006-12-14 Alfred Kärcher Gmbh & Co. Kg Verfahren zum Steuern eines Reinigungsgerätes und Reinigungsgerät zur Durchführung des Verfahrens
US20090045271A1 (en) * 2005-11-16 2009-02-19 Faip North America, Inc. Handheld electric pressure washer

Also Published As

Publication number Publication date
EP2893193A2 (fr) 2015-07-15
ES2619627T3 (es) 2017-06-26
WO2014009983A2 (fr) 2014-01-16
WO2014009983A3 (fr) 2014-06-12
ITTO20120615A1 (it) 2012-10-11

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