EP0593900A2 - Dispositif de pulvérisation fine de liquides - Google Patents

Dispositif de pulvérisation fine de liquides Download PDF

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Publication number
EP0593900A2
EP0593900A2 EP93114730A EP93114730A EP0593900A2 EP 0593900 A2 EP0593900 A2 EP 0593900A2 EP 93114730 A EP93114730 A EP 93114730A EP 93114730 A EP93114730 A EP 93114730A EP 0593900 A2 EP0593900 A2 EP 0593900A2
Authority
EP
European Patent Office
Prior art keywords
pump
housing
receptacle
drive motor
liquid
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
EP93114730A
Other languages
German (de)
English (en)
Other versions
EP0593900B1 (fr
EP0593900A3 (en
Inventor
Eckart Dipl.-Ing. Wunsch
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.)
Wunsch Eckart Dipl-Ing
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0593900A2 publication Critical patent/EP0593900A2/fr
Publication of EP0593900A3 publication Critical patent/EP0593900A3/de
Application granted granted Critical
Publication of EP0593900B1 publication Critical patent/EP0593900B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B05B9/0866—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being a gear, centrifugal or screw-type pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/30—Dip tubes

Definitions

  • the invention relates to a device for the fine atomization of liquids according to the preamble of patent claim 1.
  • a device of the type mentioned is known from the German utility model G 89 12 705.
  • the housing for accommodating the unit block consisting of the drive motor and pump is tightly connected to a receptacle for the spray liquid.
  • the drive motor and the pump designed as a gear pump are arranged vertically one above the other, a suction line being guided from the gear pump into the receptacle for the spray liquid.
  • the spray nozzle at the head of the known device is connected to the outlet side of the gear pump by a pressure line.
  • Spray systems are also generally known and commercially available, in which hydraulically acting pumps that are mechanically actuated by finger pressure are used to atomize liquids in spray cans or in spray bottles. In these systems, it is considered disadvantageous that the spraying process only begins when when the fluid pressure generated in a pump chamber is sufficiently high. A continuous spray jet cannot be achieved with these systems.
  • An electrosprayer is already known from US-A-4,618,099, in which the spray mechanism is inserted into a housing which is connected to the receptacle for the spray liquid by screwing.
  • the spray mechanism has an electric motor-driven pump, the suction line of which projects through a housing opening into the receptacle.
  • the pump On the output side, the pump has a pressure pipe, which is provided with an outlet nozzle for the spray jet at the front end. The pressure pipe protrudes from the housing with the spray nozzle.
  • the drive motor and the pump connected to it which can be a gear pump or a piston pump, only a small amount of space is required in the housing. It is advantageous here that the pressure line from the pump to the spray nozzle, which is usually necessary, is omitted, since, according to the features of the invention, the pump is connected directly to the spray nozzle. At most, the nozzle receptacle must be extended towards the pump outlet.
  • the essentially horizontal arrangement of the drive motor and pump allows a favorable division of the housing by two half-shells, which is simple in terms of production technology and creates a sufficiently large and easily accessible chamber above the drive block for the accommodation of batteries or accumulators.
  • the combination switch activates two functions at the same time.
  • a switching contact or a switch or limit switch is actuated, which allows the energy supply to the drive motor of the pump and thereby acts on the operating state of the drive motor.
  • a valve is actuated in parallel, through which an air line into the receiving container of the spray liquid is opened.
  • the special suction line with the ring or bend formed in the middle or end area optimally ensures that the spray liquid is completely removed even if the receptacle is inclined or even turned upside down.
  • the device 1 for the atomization of liquids 2 consists essentially of the housing 3 for receiving the drive motor 4, the pump 5 connected to it and the spray head 6 and the receiving container 7 for the liquid 2 to be sprayed.
  • the housing 3 in FIG formed from the upper half-shell 8 and the lower half-shell 9 by a snap lock or by screwing are interconnectable.
  • the upper half-shell 8 also serves as a housing cover.
  • the housing cover 8 can accommodate the batteries or accumulators 16 as a separate component and can be fitted onto the lower housing shell 9 in this manner.
  • the slide-on takes place in the longitudinal direction of the batteries or accumulators 16 in guide grooves and guide webs or guide rails provided for this purpose, with a snap-in in the closed end position in order to hold the housing cover in the closed position.
  • the batteries or accumulators 16 are inserted captively in the housing cover 8 and are electrically connected to one another in a known series connection, for example by metal bridges.
  • the housing cover 8 is closed, there is a start and end contact with the lines 23 and 24 to the switch 22.
  • the hood 8 is designed to be detachable from the housing in another, not shown, detailed illustration and can be connected to a charger for charging the batteries 16. This makes it possible to provide several housing boxes for a device for fine atomization. In this way, accumulators 16 can be charged continuously, which leads to continuous use of the device.
  • the assembled housing 3 has a hollow cylindrical shape, which is arranged horizontally or almost horizontally, and in one piece or optionally in a foot part 10 serving as a handle also merges into several parts.
  • This foot part 10 is again essentially hollow-cylindrical in shape, but is arranged approximately perpendicularly or at a small angle to the hollow cylinder of the housing 3, as illustrated in FIG. 1.
  • the drive motor 4 is in a lying arrangement in the rear part.
  • the drive motor 4 is connected by means of a flange 11 directly to the pump 5 by mechanical coupling elements known per se, which in the example shown is a gear pump.
  • the gear pump 5 can of course be replaced by other types of pumps, such as a piston pump.
  • the front pump cover 12 is connected as the pump outlet side to the spray head 6, onto which a spray nozzle 13 is screwed and held from the outside by means of a union nut 14.
  • the space 15 for receiving the batteries 16 or accumulators.
  • a total of four batteries 16 are accommodated in the space 15 in the upper half-shell 8 of the housing 3, two of which are arranged one behind the other and two lying parallel to each other.
  • the room 15 is equipped in such a way that an electrical connection of the batteries 16 or accumulators in series connection is ensured, as was explained above by way of example for FIG.
  • the foot part 10 of the housing 3 is provided at the end with a coupling piece 17 for the quick and easy connection of the receptacle 7.
  • a coupling piece 17 can with a bayonet lock, with a screw or Plug closure or the like can be equipped, whereby in principle a liquid-tight connection must be ensured, which can be achieved, for example, by adding a seal or an O-ring.
  • Such connections are already known in the prior art and therefore need not be explained in detail here.
  • a combination switch 18 is located in the approximately central region of the foot part 10 of the housing 3 in alignment with the front of the device.
  • This combination switch 18 has a manually operated switch button 19 on the outside.
  • a first plunger 20 acts on the switch button 21 of an electrical switch 22, for example a limit switch.
  • the switch 22 in turn is electrically connected to the batteries or accumulators 16 by means of electrical lines 23 and 24 to their positive pole 25 and negative pole 26 via connecting terminals, not shown here.
  • switch 22 it is also possible, according to FIG. 5, to provide only two switching contacts 22.1 and 22.2, which are located at a distance from one another and are made of electrically conductive material.
  • the plunger 20 of the combination switch 18 is pushed between the two switching contacts when actuated, as a result of which the switching contacts 22.1 and 22.2 are electrically connected to one another.
  • the lines to the batteries or accumulators 16 and to the drive motor 4 then go off again from the switch contacts 22.1 and 22.2.
  • a second plunger of the combination switch 18 is designed as a valve plunger 27 and provided with a valve plate 28, which is under the action of a compression spring 29.
  • the valve tappet 27 can be moved axially inside the valve housing 30 up to an end stop 31.
  • a sealing ring or an O-ring 32 is inserted between the valve plate 28 and the valve housing 30.
  • the valve housing has a radially outgoing opening 33 which is located in the rear end region of the valve housing.
  • a base piece 34 closes the valve housing 30 to the rear, an air gap being left between the valve housing 30 and the base piece 34 in the region of the opening 33.
  • the opening 33 is connected by means of a line 35 to an air inlet opening 36 in the intermediate piece 37, which in turn opens into the receptacle 7 for the spray liquid 2.
  • the intermediate piece 37 is pressed in liquid-tight manner within the coupling piece 17 and the nut 38 between the foot part 10 of the housing 3 and the receptacle 7.
  • a thread is provided on the outside of the upper connection piece 51 of the receptacle 7, onto which a nut 38 with a corresponding internal thread is screwed.
  • the nut 38 lies on the intermediate piece 37 with its upper, inwardly directed flange 52 in the sense of a union nut.
  • the intermediate piece 37 is pressed into the coupling piece 17 in such a way that the union nut 38 remains rotatable. In this way, the housing 10 with the units and connecting elements used liquid-tight and functional connected to the receptacle 7.
  • a hose connecting element 53 is fixed and in turn tightly fitted, to which on the one hand the suction line 39 leading into the receptacle 7 and at the other end the suction line 40 leading to the interior of the housing 3 to the pump 5 are connected.
  • the suction line 39 and the suction line 40 are preferably formed from an elastic material and, as a result, are flexible and easy to lay around assemblies.
  • the suction line 39 leading into the interior of the receptacle 7 is provided in its approximately middle or in the end region with a special shape which allows the elastically deformable material.
  • the shape is a helically shaped winding 41, from which a substantially unformed end piece 42 of the suction line 39 then extends to the bottom 43 of the receptacle 7.
  • the suction line 39 or 42 has a suction cup or a suction strainer 44, which is heavier than the liquid 2 to be removed and is therefore always inclined to the lowest point in the receptacle 7, regardless of the position of the receptacle 7 during its handling.
  • the suction basket or the suction strainer 44 can of course also be pressed directly into the winding.
  • the combination switch 18 there is a socket 48 in the base part 10 of the housing 3, which socket is electrically connected to the batteries 16 and allows the batteries 16 to be charged.
  • the suction line 39 or 42 is that the suction line follows all directions and all angles during the container movement. This is ensured by the fact that the suction line 39 consists of an elastically deformable material and has at least one ring or arc formed in the middle or outlet-side area essentially transversely to the longitudinal line axis 45 in a radius around this longitudinal line axis 45. Due to the shape angled transversely to the line longitudinal axis 45, the suction line 39 is deprived of the rigidity and instead is given a high degree of elastic mobility.

Landscapes

  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Special Spraying Apparatus (AREA)
EP93114730A 1992-09-23 1993-09-14 Dispositif de pulvérisation fine de liquides Expired - Lifetime EP0593900B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4231826 1992-09-23
DE4231826A DE4231826A1 (de) 1992-09-23 1992-09-23 Einrichtung zur Feinzerstäubung von Flüssigkeiten

Publications (3)

Publication Number Publication Date
EP0593900A2 true EP0593900A2 (fr) 1994-04-27
EP0593900A3 EP0593900A3 (en) 1994-09-21
EP0593900B1 EP0593900B1 (fr) 1997-11-19

Family

ID=6468621

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93114730A Expired - Lifetime EP0593900B1 (fr) 1992-09-23 1993-09-14 Dispositif de pulvérisation fine de liquides

Country Status (4)

Country Link
US (1) US5397034A (fr)
EP (1) EP0593900B1 (fr)
AT (1) ATE160300T1 (fr)
DE (2) DE4231826A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000048640A2 (fr) 1999-02-20 2000-08-24 Schneider Hartmut J Dispositif et procede pour la desinfection des mains
EP1767279A2 (fr) * 2005-09-22 2007-03-28 Cepia, LLC Pompe d'atomiseur actionnée électrique
EP1795268A1 (fr) * 2003-12-18 2007-06-13 Cepia, LLC Pulvérisateur de puissance
US7328859B2 (en) 2003-12-18 2008-02-12 Cepia, Llc Power sprayer
US7384006B2 (en) 2003-12-18 2008-06-10 Cepia, Llc Power sprayer
US7588198B2 (en) 2003-12-18 2009-09-15 S.C. Johnson & Son, Inc. Power sprayer
US7648083B2 (en) 2003-12-18 2010-01-19 S.C. Johnson & Son, Inc. Power sprayer
EP2153906A1 (fr) 2008-07-14 2010-02-17 Akron Device Technologies LLC Pulvérisateur et cartouche de support pour celui-ci
US8602386B2 (en) 2007-12-21 2013-12-10 S.C. Johnson & Son, Inc. Valve with actuator assist

Families Citing this family (29)

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US5716007A (en) * 1995-12-29 1998-02-10 Nottingham-Spirk Design Associates, Inc. Battery operated fluid dispenser
DE69616273T2 (de) * 1996-03-27 2002-07-25 Guala Dispensing S P A Zerstäuber mit einem Ballastgewicht versehenen Saugrohr
US5611467A (en) * 1996-05-07 1997-03-18 Peng; Karl K. Invertible pressurized fluid dispenser with guided fluid inlet member
US5947702A (en) * 1996-12-20 1999-09-07 Beco Manufacturing High precision fluid pump with separating diaphragm and gaseous purging means on both sides of the diaphragm
US6142750A (en) * 1998-11-30 2000-11-07 The Procter & Gamble Company Gear pump and replaceable reservoir for a fluid sprayer
USD432747S (en) * 1998-11-30 2000-10-24 The Procter & Gamble Company Bottle fitment
US6752330B2 (en) * 2000-07-24 2004-06-22 The Procter & Gamble Company Liquid sprayers
US6502766B1 (en) 2000-07-24 2003-01-07 The Procter & Gamble Company Liquid sprayers
AU2002224243B2 (en) * 2000-11-17 2005-12-22 S. C. Johnson & Son, Inc. Dispensing means
US6935542B2 (en) * 2002-05-15 2005-08-30 S. C. Johnson & Son, Inc. Device for retaining and for inserting a flexible tube assembly into a fluid container
US6554211B1 (en) * 2002-08-01 2003-04-29 Saint-Gobain Calmar Inc. Container vent control for battery operated sprayer
US7240810B2 (en) * 2002-11-08 2007-07-10 S.C. Johnson & Son, Inc. Flexible supply tube with weighting mechanism for use in spray bottles
US6811099B2 (en) * 2002-11-21 2004-11-02 Saint-Gobain Calmar Inc. Battery pack for battery operated sprayer
US7318539B2 (en) * 2003-04-28 2008-01-15 Power Sprayer Llc Pump drive unit for battery operated fluid dispensers
US20050082389A1 (en) * 2003-10-07 2005-04-21 Sanchez Michael J. Methods and apparatus for battery powered hand-held sprayer with remote spray gun assembly
GB2407848A (en) * 2003-11-08 2005-05-11 Laybond Products Ltd Motorised dispenser apparatus for applying fluids
US7032841B1 (en) 2004-04-27 2006-04-25 Swisher Steven L Hand-held battery power sprayer
US20060013709A1 (en) * 2004-07-19 2006-01-19 Hudson William A Battery-powered spray wand
US7219848B2 (en) * 2004-11-03 2007-05-22 Meadwestvaco Corporation Fluid sprayer employing piezoelectric pump
US20060153707A1 (en) * 2005-01-13 2006-07-13 Sweeton Steven L Battery operated spray head retrofittable onto existing pump spray containers and producing substantially continuous spray
US7255294B2 (en) * 2005-01-13 2007-08-14 Meadwestvaco Corporation Battery operated spray head having an improved housing
US20060153709A1 (en) * 2005-01-13 2006-07-13 Sweeton Steve L Battery operated spray head having an improved housing
US20060208005A1 (en) * 2005-03-17 2006-09-21 Sweeton Steve L Compact battery operated spray head fittable onto existing pump spray containers and providing improved balance
US8091741B2 (en) * 2006-09-25 2012-01-10 Michael Pritchard Fluid dispenser
US20090308896A1 (en) * 2008-06-13 2009-12-17 Continentalafa Dispensing Company Venting System for Battery Operated Sprayer
US8366023B1 (en) * 2011-10-05 2013-02-05 Ableman International Co., Ltd. Handheld sprayer structure
CN204994473U (zh) * 2015-08-03 2016-01-27 上海爱农机电设备有限公司 便携式超细雾化机
CN106076694A (zh) * 2016-08-18 2016-11-09 珠海同振防腐工程有限公司 电动喷涂罐
CN111990375A (zh) * 2020-08-04 2020-11-27 湖南飞鹰新能源科技有限公司 一种自走式喷雾机

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FR2101505A5 (fr) * 1971-06-23 1972-03-31 Congard Roger Paul
US3904116A (en) * 1975-01-09 1975-09-09 Disston Inc Portable cordless sprayer
US4189098A (en) * 1978-03-23 1980-02-19 Spray Tech Corporation Household spray apparatus
US4618099A (en) * 1984-07-13 1986-10-21 Kyushu Hitachi Maxell, Ltd. Electric spray
EP0211122A1 (fr) * 1985-07-30 1987-02-25 Nippon Seiki Co. Ltd. Atomiseur
EP0477588A2 (fr) * 1990-09-28 1992-04-01 Wella Aktiengesellschaft Dispositif pour distribuer un liquide d'un réservoir enfiché
DE9110779U1 (de) * 1991-08-31 1992-12-24 Wunsch, Eckart, Dipl.-Ing., 7542 Schömberg Einrichtung zur Feinzerstäubung von Flüssigkeiten

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US4767033A (en) * 1986-07-31 1988-08-30 The Drackett Company Manually operated gear pump spray head
US4830235A (en) * 1988-02-01 1989-05-16 Miller Michael D Siphon tube apparatus
DE3836290A1 (de) * 1988-10-25 1990-04-26 Erich Wunsch Spraydose
DE3916021A1 (de) * 1988-10-25 1990-11-22 Wunsch Erich Spraydose
GB2229617B (en) * 1989-04-14 1993-10-27 Lin Hsien Chih Rechargeable garden sprayer
US5150841A (en) * 1989-09-11 1992-09-29 Dowbrands Inc. Liquid spray dispenser
DE8912705U1 (de) * 1989-10-27 1991-03-14 Wunsch, Erich, 7263 Bad Liebenzell Einrichtung zur Feinzerstäubung von Flüssigkeiten
US5195664A (en) * 1992-04-03 1993-03-23 Steven Rhea All directional fluid pick-up
US5215227A (en) * 1992-07-10 1993-06-01 Farner Norbert A Assailant marker

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2101505A5 (fr) * 1971-06-23 1972-03-31 Congard Roger Paul
US3904116A (en) * 1975-01-09 1975-09-09 Disston Inc Portable cordless sprayer
US4189098A (en) * 1978-03-23 1980-02-19 Spray Tech Corporation Household spray apparatus
US4618099A (en) * 1984-07-13 1986-10-21 Kyushu Hitachi Maxell, Ltd. Electric spray
EP0211122A1 (fr) * 1985-07-30 1987-02-25 Nippon Seiki Co. Ltd. Atomiseur
EP0477588A2 (fr) * 1990-09-28 1992-04-01 Wella Aktiengesellschaft Dispositif pour distribuer un liquide d'un réservoir enfiché
DE9110779U1 (de) * 1991-08-31 1992-12-24 Wunsch, Eckart, Dipl.-Ing., 7542 Schömberg Einrichtung zur Feinzerstäubung von Flüssigkeiten

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000048640A2 (fr) 1999-02-20 2000-08-24 Schneider Hartmut J Dispositif et procede pour la desinfection des mains
DE19907340B4 (de) * 1999-02-20 2004-05-13 Schneider, Hartmut J., Vars Verfahren und Vorrichtung zur Reinigung und/oder Desinfektion von Händen oder Füßen
US7562834B2 (en) 2003-12-18 2009-07-21 S. C. Johnson & Son, Inc. Power sprayer
EP1795268A1 (fr) * 2003-12-18 2007-06-13 Cepia, LLC Pulvérisateur de puissance
US7328859B2 (en) 2003-12-18 2008-02-12 Cepia, Llc Power sprayer
US7384006B2 (en) 2003-12-18 2008-06-10 Cepia, Llc Power sprayer
US7568637B2 (en) 2003-12-18 2009-08-04 S.C. Johnson & Son, Inc. Power sprayer
US7588198B2 (en) 2003-12-18 2009-09-15 S.C. Johnson & Son, Inc. Power sprayer
US7648083B2 (en) 2003-12-18 2010-01-19 S.C. Johnson & Son, Inc. Power sprayer
EP1767279A2 (fr) * 2005-09-22 2007-03-28 Cepia, LLC Pompe d'atomiseur actionnée électrique
EP1767279A3 (fr) * 2005-09-22 2012-05-30 S.C. Johnson & Son, Inc. Pompe d'atomiseur actionnée électrique
US8602386B2 (en) 2007-12-21 2013-12-10 S.C. Johnson & Son, Inc. Valve with actuator assist
EP2153906A1 (fr) 2008-07-14 2010-02-17 Akron Device Technologies LLC Pulvérisateur et cartouche de support pour celui-ci

Also Published As

Publication number Publication date
EP0593900B1 (fr) 1997-11-19
EP0593900A3 (en) 1994-09-21
ATE160300T1 (de) 1997-12-15
DE59307704D1 (de) 1998-01-02
DE4231826A1 (de) 1994-03-24
US5397034A (en) 1995-03-14

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