EP2442922B1 - Hochdruckreinigungsgerät - Google Patents

Hochdruckreinigungsgerät Download PDF

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Publication number
EP2442922B1
EP2442922B1 EP10723104.5A EP10723104A EP2442922B1 EP 2442922 B1 EP2442922 B1 EP 2442922B1 EP 10723104 A EP10723104 A EP 10723104A EP 2442922 B1 EP2442922 B1 EP 2442922B1
Authority
EP
European Patent Office
Prior art keywords
removal
container
accordance
pressure cleaner
channel
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
EP10723104.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2442922A2 (de
Inventor
Uwe Dierolf
Jürgen KLÖPFER
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
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 Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP2442922A2 publication Critical patent/EP2442922A2/de
Application granted granted Critical
Publication of EP2442922B1 publication Critical patent/EP2442922B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
    • 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
    • B08B2203/0217—Use of a detergent in high pressure cleaners; arrangements for supplying the same

Definitions

  • the invention relates to a high-pressure cleaning device having the features of the preamble of claim 1.
  • High-pressure cleaning devices with a motor pump unit for pressurizing a cleaning liquid, which is admixed with a liquid detergent, and with a detergent container, which forms a supply of liquid detergent and having an opening which is tightly closed by a lid, wherein the detergent container is releasably held on the motor pump unit and the motor pump unit has a removal device for removal of detergent from the detergent container, are known in various configurations. They comprise a motor pump unit with the aid of which a cleaning fluid, in particular water, can be pressurized. The pressurized cleaning fluid may then be directed to a surface for cleaning. In order to increase the cleaning effect, it is known to mix the cleaning liquid with a liquid cleaning agent, for example a soap solution or a disinfectant. The cleaning agent is stored in a detergent container, which is detachably held on the motor pump unit.
  • the cleaning agent is removed from the detergent container via a hose, which is inserted into the detergent container after the attachment of the detergent container to the motor pump unit and the removal of the lid via the opening.
  • the replacement of the detergent container therefore makes relatively difficult.
  • a high-pressure cleaning device having the features of the preamble of claim 1 is known from the document EP 0 504 568 A1 known.
  • An atomizer is known with a gear pump and with a replaceable container.
  • the gear pump comprises a receptacle into which the container can be inserted with a lid region.
  • In the recording dives a thorn, which pierces a closing membrane of the container when inserting the container.
  • a spraying device for spraying the walls of a shower cubicle with cleaning agent.
  • the spray device comprises a shell into which a detergent container can be inserted upside down. An opening of the container can be closed by means of a sealing film. An upwardly directed mandrel, with the aid of which the closure film can be pierced when the detergent container is inserted into the shell, emerges into the shell.
  • Object of the present invention is to develop a high-pressure cleaning device of the type mentioned in such a way that the replacement of the detergent container can be simplified and formed during the removal of detergent within the container virtually no negative pressure.
  • the high-pressure cleaning device uses a detergent container whose container opening can be closed by a membrane arranged on the lid.
  • the sealed container can be inserted into a container receptacle of the motor pump unit at least with a container section adjoining the container opening with the container opening facing downwards.
  • a mandrel pierces the membrane of the detergent container, so that subsequently cleaning agent can be removed from the detergent container via the removal channel.
  • the detergent container inserted into the container receptacle can thus be emptied in a simple manner, since the container opening points downwards, so that the cleaning agent can flow completely out of the container except for minimal residues.
  • the replacement of the detergent container is very simple. For this purpose, it can be used by the user with a closed, downwardly facing container opening in the container receptacle of the removal device of the motor pump unit. The membrane is then pierced by the mandrel protruding into the container receptacle, so that a flow connection between the detergent container and the motor pump unit is subsequently ensured via the removal channel. An additional hose can therefore be omitted.
  • the mandrel not only surrounds a withdrawal channel opening into the container receptacle, but the mandrel also surrounds a ventilation channel opening into the container receptacle.
  • About the ventilation duct can be supplied to the detergent container air, so that forms virtually no negative pressure during the removal of detergent within the container.
  • the membrane after it has been penetrated by the mandrel, sealingly applied to the outside of the mandrel. This avoids the escape of detergent between the membrane and the mandrel.
  • the membrane can be tightly closed by being pulled off the mandrel. If the detergent container is inserted into the container receptacle with the container opening closed, the mandrel pierces the membrane, which preferably adjoins the mandrel on the outside. If the detergent container of the container receptacle removed again, so is the membrane withdrawn from the mandrel again, where it closes tight again. Thus, the detergent container can be easily replaced even if it is not completely emptied.
  • Such a configuration has the particular advantage that the user can use different liquid detergent, where he can replace the individual detergent container at any time regardless of their level.
  • the membrane is slotted. It has been shown that it can be ensured by a slotted membrane in a structurally simple manner that the membrane is pierced when inserting a detergent container in the container receptacle from the mandrel and that the membrane closes tightly again when the detergent container of the container receptacle is removed.
  • the membrane is slit in the shape of a cross.
  • the membrane is made in an advantageous embodiment of the invention of a silicone material.
  • the mandrel is surrounded by a sealing ring to which the lid is sealingly applied.
  • a sealing ring By means of the sealing ring can be ensured that no cleaning agent can flow out of the upside down detergent container inadvertently even if the membrane is damaged.
  • the cover has a closing part, on which the membrane is held, wherein the closing part comprises a sleeve-shaped front end portion which can be placed on the mandrel and sealingly applied to the sealing ring.
  • the front end portion of the closure member may protrude above the membrane. If the detergent container is inserted into the container receptacle of the removal device with the container opening closed, downwards, the mandrel engages through the front end section of the closure element.
  • the front end portion may be liquid tightly applied to the sealing ring surrounding the mandrel, and the diaphragm recessed relative to the forward end portion may be pierced by the mandrel.
  • the membrane can then seal against the outside of the mandrel, so that the membrane itself ensures a tight connection between the detergent container and the mandrel. Should the membrane be damaged, the sealing ring arranged between the mandrel and the front end section of the closing part ensures that no cleaning agent can inadvertently flow out of the cleaning agent container.
  • the mandrel is surrounded by a retaining ring.
  • the lid has a closing part on which the membrane is held.
  • the closure member comprises a sleeve-shaped rear end portion which is positively inserted into the container receptacle.
  • the lid can be supported on the container receptacle of the removal device of the motor pump unit.
  • the lid in such a Embodiment take over the function to determine the detergent container in the container receptacle.
  • the rear end portion of the Verschwiners surrounds a collar-shaped end portion of the detergent container.
  • the detergent container may be designed in the form of a detergent bottle with a bottle neck forming the collar-shaped end portion.
  • the collar-shaped end section of the detergent container can be inserted in a form-fitting manner into the container receiver.
  • the detergent container can be easily fixed to the container receptacle.
  • the determination of the membrane on the closing part of the lid takes place in an advantageous embodiment in that the membrane is clamped between a retaining ring and the closing part.
  • the retaining ring is preferably latched with the locking part with the interposition of the membrane.
  • the ventilation duct is used.
  • the removal channel has as well as the ventilation channel on a mouth opening on the mandrel of the removal device. It is favorable if the mouth opening of the ventilation channel in the direction the free end of the mandrel is arranged offset to the mouth opening of the removal channel. This ensures that the mouth opening of the ventilation duct occupies a higher position in the operating position of the high-pressure cleaning device than the mouth opening of the removal channel.
  • the distance between the two mouth openings is at least two millimeters. Preferably, the distance is at least three millimeters.
  • a first check valve is connected in the ventilation channel or in a ventilation channel in the direction facing away from the mandrel subsequent vent line.
  • the first check valve By means of the first check valve, the counter to the flow direction of the ventilation duct in the direction of detergent container flowing air closes, a leakage of air or detergent can be avoided from the detergent tank via the ventilation duct. If, for example, when removing a detergent container that has not yet been completely emptied, the detergent container is compressed by the user, there is a risk that liquid detergent will flow out through the ventilation channel. By using the first check valve such leakage is prevented.
  • the cleaning agent is sucked out of the detergent container.
  • a Venturi nozzle is arranged in a pressure line of the motor pump unit, with the aid of which a negative pressure can be generated under the action of which the liquid cleaning agent is sucked out of the detergent container.
  • the first check valve has a closing element in the form of a slotted membrane. The slotted membrane opens already at a very small pressure difference between the pressure downstream of the first check valve and the pressure upstream of the first check valve. This has the consequence that even at a very low negative pressure in the detergent container air can flow through the ventilation channel and thus liquid detergent can be removed from the detergent container via the removal channel.
  • the membrane of the first check valve is slit in a cross shape.
  • the diaphragm of the first check valve is conveniently made of a silicone material.
  • the first check valve is arranged on a ventilation opening of the removal device.
  • the preferably designed in the form of a slotted membrane closing element of the first check valve is held in an advantageous embodiment of the invention by means of a retaining ring on the vent opening of the removal device.
  • a retaining ring on the vent opening of the removal device.
  • the retaining ring can be latched to a bottom plate of the removal device, wherein the bottom plate has the ventilation opening.
  • a second check valve is arranged in the removal channel or in a removal line adjoining the removal channel in the direction away from the mandrel.
  • the second check valve has a closing element whose density is lower than the density of the cleaning agent.
  • the closing body of the second check valve may float on the cleaning medium possibly returning during the removal of the cleaning agent container. This has the advantage that the closing element is transferred from the returning cleaning agent in a simple manner in its closed position, in which it can bear sealingly against a valve seat of the second check valve.
  • a return spring can be omitted in the second check valve due to the floating closing element. Despite the lack of use of a return spring, the second check valve can close reliably and there is virtually no risk that detergent exits.
  • the closure member of the second check valve preferably has a geometric shape, that is, a three-dimensional shape that can be defined by mathematical means.
  • the closing element can be designed, for example, in the form of a sphere or in the form of a cone.
  • the closing element of the second non-return valve has a valve lift, which is limited by a stop arranged in the removal channel or in the withdrawal line.
  • the valve lift corresponds to the path between the closed position and the open position of the closing element of the second check valve. This valve lift will Conveniently limited by a stop which is arranged in the removal channel or in the withdrawal line.
  • the removal device has in a preferred embodiment of the invention, a first and a second removal part, which are each designed as one-piece plastic moldings and liquid-tight connected by a sealing ring, wherein the first removal part forms the container receptacle and the mandrel and wherein the second removal part a ventilation opening has, to which the ventilation duct adjoins, and a removal opening, which is followed by the removal channel.
  • the mandrel of the removal device is integrally connected to a wall of the container receptacle.
  • the container receptacle can be designed, for example, as a cylindrical recess and comprise a side wall and a bottom wall, and the mandrel protruding into the container receptacle can be molded onto the bottom wall.
  • the second removal part may be arranged, which has the ventilation opening and a removal opening.
  • the vent opening is in fluid communication with the vent channel penetrating the mandrel, and the removal opening is in flow communication with the dispensing channel passing through the mandrel.
  • a removal line may connect in the direction facing away from the mandrel.
  • the extraction line can receive the second check valve.
  • a detergent container for a high-pressure cleaning appliance of the type described above comprises a container opening which can be closed by a lid, wherein the lid comprises a preferably slotted membrane which can be pierced by a mandrel of a removal device of the high-pressure cleaning appliance.
  • a detergent container can be exchanged in a simple manner. This is it is only necessary to insert the closed detergent container with downwardly facing container opening in the container receptacle of the motor pump unit. In this case, the mandrel of the removal device pierces the membrane, which in a preferred embodiment then bears against the mandrel on the outside in a sealing manner. If the detergent container of the container receptacle removed again, the membrane is withdrawn from the mandrel, which then closes again tightly.
  • Such a detergent container facilitates the handling of the high-pressure cleaning device, in particular, the user can hold several detergent containers with different detergent ready, which he can use depending on the respective cleaning task to be solved in the container receptacle of the motor pump unit.
  • the motor pump unit 12 has a housing 16 which houses a known per se, not shown in the drawing pump, preferably a piston pump, and an electric motor driving the pump.
  • a cleaning liquid preferably water
  • a supply hose not shown in the drawing, known per se
  • a pressure hose can be connected in a conventional manner, which carries at its free end, for example, a spray lance or a spray nozzle.
  • Such pressure hoses, spray lances and spray nozzles are known in the art and therefore not shown in the drawing.
  • the housing 16 forms a push bar 18, on which a hose drum 20 is rotatably mounted. On the hose drum 20, the pressure hose can be wound up.
  • two running wheels 21, 22 freely rotatable about a common axis of rotation are mounted on the housing 16, with the aid of which the high-pressure cleaning device 10 can be moved.
  • the housing 16 forms a holder 24 for the detergent container 14.
  • the holder 24 comprises a holding means 26 encompassing the detergent container 14 and a holding trough 28 arranged vertically at a distance from the holding bracket 26.
  • the holding trough comprises a trough bottom 30, to which a removal device 32 of the motor pump unit 12 adjoins. This will be out of the Figures 2 . 3 and 4 clear.
  • the detergent container 14 comprises a substantially cuboid base body 34, to which a collar-shaped end section 38 connects via a tapering transition section 36, which defines a container opening 40 at its free end.
  • the container opening 40 is closed by a multi-part lid 42.
  • This comprises a closure part 44 with a sleeve-shaped rear end portion 46 which surrounds the end region of the collar-shaped end portion 38 of the detergent container 14, and with a sleeve-shaped front end portion 48 which connects via a step 50 to the rear end portion 46 and the container opening 40th protrudes.
  • an inner sleeve 52 of the closure part 44 dips into the collar-shaped end section 38 of the detergent container 14. With the inner sleeve 52, a retaining ring 54 is locked, wherein between the retaining ring 54 and the Verschdaleteil 44, a slotted diaphragm 56 is clamped, which closes the container opening 40 tight.
  • the membrane 56 is made of a silicone material.
  • the detergent container 14 is inserted upside down in the holder 24 of the housing 16, wherein the transition portion 36 dips into the holding trough 28 of the holder 24 and the collar-shaped end portion 38 is received by a container receptacle 58 of the removal device 32.
  • the container receptacle 58 comprises a cylindrical side wall 60, which integrally connects to the trough bottom 30 of the holding trough 28.
  • the container receptacle 58 comprises a receiving base 62, which integrally connects to the side wall 60 and which carries a mandrel 64 projecting into the container receptacle 58.
  • the mandrel 64 is integrally connected to the receiving floor 62.
  • the mandrel 64 surrounds a ventilation channel 66, which opens into the container receptacle 58 via a mouth opening 68 arranged at the free end of the mandrel 64 and which widens several times in the direction away from the mouth opening 68.
  • the mandrel 64 surrounds a removal channel 70, which opens into the container receptacle 58 via an outlet opening 72 arranged offset to the outlet opening 68 of the ventilation channel 66 and also extends several times in the direction facing away from the outlet opening 72.
  • the ventilation channel 66 and the removal channel 70 are liquid and gas tight separated from each other.
  • the mouth opening 68 of the ventilation channel 66 is arranged approximately 3 mm higher than the mouth opening 72 of the removal channel 70.
  • the container receptacle 58 and the mandrel 64 are formed by a first removal part 76 of the removal device 32.
  • the first removal part 64 is designed as a one-piece plastic molded part.
  • a second removal part 78 of the removal device 32 is placed on the first removal part 76, which is also designed as a one-piece plastic molding.
  • the second removal part 78 forms a bottom plate 80, to which a collar 82 is integrally formed.
  • the collar 82 dips into an annular space 84 of the first removal part 76 with the interposition of a sealing ring 86.
  • the bottom plate 80 has a central groove 88 into which the free end of the partition wall 74 dips. On one side of the groove 88, the bottom plate 80 covers the removal channel 70, and on the other side of the groove 88, the bottom plate 80 covers the ventilation channel 66 from. In its area covering the ventilation channel 66, the base plate 80 has a ventilation opening 90. Adjoining the ventilation opening 90 in the ventilation channel 66 is a first check valve 92, the closing body of which is formed by a slotted membrane 94. The membrane 94 is made of a silicone material. It is clamped between the bottom plate 80 and a retaining ring 96 latched to the bottom plate 80.
  • the base plate 80 In its region covering the removal channel 70, the base plate 80 has a removal opening 98. Facing away from the mandrel 64, a removal line 100 connects to the removal opening 98, with a first line section in the form of a hose nipple 101 and a second line section in the form of a plugged onto the hose nipple 101 removal hose 102.
  • a second check valve 104 is connected to a spherical closing body 106, which in the in the Figures 2 . 3 and 4 shown closed position of the second check valve 104 sealingly abuts 101 at the free end of the hose nipple.
  • the density of the closing body 106 is smaller than the density of the cleaning agent.
  • the valve lift of the closing body 106 is limited by a stop 107, which is arranged in the withdrawal hose 102.
  • the detergent container 14 can be inserted upside down in the holder 24 of the housing 16, wherein the container opening 40 is sealed by means of the lid 42.
  • the collar-shaped end portion 38 of the detergent container 16 dips into the container receptacle 58, wherein the mandrel 64 pierces the membrane 56, which then bears sealingly against the outside of the mandrel 64. This is going out FIG. 4 clear.
  • the container receptacle 58 receives the rear end portion of the collar-shaped end portion 38 and the rear end portion 46 of the Verschwiners 44 on a form-fitting manner. By this positive connection of the detergent container 14 is fixed in the container receptacle 58.
  • the mandrel 64 is surrounded at the level of the diaphragm 56 in the circumferential direction by a retaining ring 108.
  • the mandrel 64 is surrounded in its region adjacent to the receiving base 62 by a sealing ring 110 against which the front end portion 48 of the detergent container 14 sealingly applies.
  • the sealing ring 110 it is ensured that even then no detergent unintentionally escape from the detergent container 14 can if the diaphragm 56 is damaged.
  • the retaining ring 108 serves as a stop for the sealing ring 110, so that it can not come off the mandrel 64 when removing the detergent container 14.
  • liquid cleaning agent can flow out of the detergent container 14 via the removal channel 70 and the removal line 100, and at the same time air can flow into the detergent container 14 via the ventilation opening 90 and the ventilation channel 68 ,
  • a venturi nozzle connected in a pressure line of the motor pump unit 12, with the aid of which a negative pressure can be generated.
  • Such Venturi nozzles are known in the art and therefore not shown in the drawing.
  • the second check valve 104 opens.
  • air can flow in through the ventilation opening 90 and the ventilation channel 66.
  • the first check valve 92 opens.
  • the detergent container 14 can be removed from the container receptacle 58 at any time.
  • the membrane 56 is pulled off the mandrel 64.
  • the membrane 56 then closes automatically liquid-tight, so that when removing a not yet completely emptied detergent container 14th From the container receptacle 58 virtually no detergent from the detergent container 14 can escape.
  • the detergent container 14 Since the detergent container 14 is upside down in the operating position of the high-pressure cleaning device 10, so that the container opening 40 points downwards, the detergent container 14 can be completely emptied by means of the removal device 32.
  • the replacement of the detergent container 14 then designed, as explained above, very simple.
  • the user can remove the detergent container 14 of the container receptacle 58 and then he can use another detergent container 14 with closed by means of the diaphragm 56 container opening 40 in the container receptacle 58, wherein the membrane 56 is then pierced by the mandrel 64.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP10723104.5A 2009-06-18 2010-06-02 Hochdruckreinigungsgerät Active EP2442922B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009030416A DE102009030416A1 (de) 2009-06-18 2009-06-18 Hochdruckreinigungsgerät
PCT/EP2010/057745 WO2010145944A2 (de) 2009-06-18 2010-06-02 Hochdruckreinigungsgerät

Publications (2)

Publication Number Publication Date
EP2442922A2 EP2442922A2 (de) 2012-04-25
EP2442922B1 true EP2442922B1 (de) 2016-05-25

Family

ID=43087170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10723104.5A Active EP2442922B1 (de) 2009-06-18 2010-06-02 Hochdruckreinigungsgerät

Country Status (5)

Country Link
EP (1) EP2442922B1 (da)
CN (1) CN102458698B (da)
DE (1) DE102009030416A1 (da)
DK (1) DK2442922T3 (da)
WO (1) WO2010145944A2 (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11408112B2 (en) * 2017-04-17 2022-08-09 Qingdao Haier Drum Washing Machine Co., Ltd. Washing additive box and washing machine

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103252323A (zh) * 2012-02-21 2013-08-21 艾纶锐祈清洁设备（上海）有限公司 一种高压清洗系统
DE202015104155U1 (de) * 2015-08-07 2015-11-04 Franke Kaffeemaschinen Ag Reinigungsmittelbehälter
JP6194132B1 (ja) * 2017-03-21 2017-09-06 藤森工業株式会社 容器の注出用スパウト
CN108080340B (zh) * 2017-11-03 2024-01-23 宁波行泰环保科技有限公司 一种dpf清理装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0504568A1 (de) * 1991-03-18 1992-09-23 Alfred Kärcher GmbH & Co. Hochdruckreinigungsgerät

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US1241352A (en) * 1915-02-23 1917-09-25 Charles Doering Jr Water-dispensing device.
IL98328A0 (en) * 1991-05-31 1992-06-21 Levinrad Maxim D Dispenser accessory to facilitate loading bottled liquids in a dispenser
DE9401950U1 (de) * 1994-02-05 1994-03-17 Kaercher Gmbh & Co Alfred Hochdruckreinigungsgerät
US6142750A (en) * 1998-11-30 2000-11-07 The Procter & Gamble Company Gear pump and replaceable reservoir for a fluid sprayer
DE20014126U1 (de) * 2000-08-16 2000-12-28 Avet Ag Rueti Reinigungsgerät
US6820821B2 (en) * 2001-04-13 2004-11-23 S.C. Johnson & Son, Inc. Automated cleansing sprayer
DE102008009221A1 (de) * 2008-02-06 2009-08-13 Alfred Kärcher Gmbh & Co. Kg System zur Bevorratung und Abgabe von flüssigem Reinigungszusatz für Hochdruckreinigungsgerät

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0504568A1 (de) * 1991-03-18 1992-09-23 Alfred Kärcher GmbH & Co. Hochdruckreinigungsgerät

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11408112B2 (en) * 2017-04-17 2022-08-09 Qingdao Haier Drum Washing Machine Co., Ltd. Washing additive box and washing machine
US11879201B2 (en) 2017-04-17 2024-01-23 Qingdao Haier Laundry Electric Appliances Co., Ltd. Washing additive box and washing machine

Also Published As

Publication number Publication date
DE102009030416A1 (de) 2010-12-23
CN102458698B (zh) 2014-10-22
WO2010145944A3 (de) 2011-08-11
CN102458698A (zh) 2012-05-16
WO2010145944A2 (de) 2010-12-23
EP2442922A2 (de) 2012-04-25
DK2442922T3 (da) 2016-08-22

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