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WO2009124710A2 - Appareil de nettoyage haute pression - Google Patents

Appareil de nettoyage haute pression Download PDF

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Publication number
WO2009124710A2
WO2009124710A2 PCT/EP2009/002548 EP2009002548W WO2009124710A2 WO 2009124710 A2 WO2009124710 A2 WO 2009124710A2 EP 2009002548 W EP2009002548 W EP 2009002548W WO 2009124710 A2 WO2009124710 A2 WO 2009124710A2
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning device
pressure cleaning
housing
cooling
unit
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/EP2009/002548
Other languages
German (de)
English (en)
Other versions
WO2009124710A3 (fr
Inventor
Michael UNSÖLD
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
Priority to EP09730010.7A priority Critical patent/EP2268421B1/fr
Priority to CN2009801118493A priority patent/CN101983106B/zh
Publication of WO2009124710A2 publication Critical patent/WO2009124710A2/fr
Publication of WO2009124710A3 publication Critical patent/WO2009124710A3/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
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • 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

Definitions

  • the invention relates to a high-pressure cleaner with a motor pump unit for sucking, pressurizing and dispensing a cleaning liquid and with a connectable via a power cord to an external power supply unit for controlling the high-pressure cleaning device.
  • Such high-pressure cleaning devices are known in various configurations. With their help, a cleaning liquid, preferably water, sucked through a suction port, then put under pressure from the Motorpumpenein- and finally delivered via a pressure connection to a dispensing device, such as a spray lance or a spray nozzle.
  • the motor pump unit includes an electric motor and a piston pump. The electric motor can be supplied with electrical power via the mains cable and drives the piston pump to convey the cleaning fluid.
  • Object of the present invention is to develop a high-pressure cleaning device of the type mentioned in such a way that it has a simpler handling.
  • the high-pressure cleaner comprises at least one rechargeable battery and the electrical supply power for the motor pump unit is optionally available from the battery or via the power cord.
  • the high-pressure cleaning device according to the invention can optionally be supplied with electrical energy from the at least one rechargeable battery (accumulator) or via the mains cable.
  • electrical energy from the at least one rechargeable battery (accumulator) or via the mains cable.
  • it is therefore not absolutely necessary to connect the power cord to an external power supply. The handling of the high-pressure cleaning device is thus significantly simplified.
  • the high-pressure cleaning device has at least one lithium-ion battery. These are characterized by a high energy density and by a relatively low weight.
  • the high-pressure cleaner is designed to be portable and has a carrying handle, which is arranged relative to the longitudinal direction of the high-pressure cleaning device between the at least one rechargeable battery and the pump side of the motor pump unit.
  • the carrying handle is arranged in such a configuration approximately above the center of gravity of the high-pressure cleaner, so it does not wear tilted.
  • a large part of the weight of the high-pressure cleaning device is namely determined by the pump of the motor pump unit and the at least one rechargeable battery. If the carrying handle is arranged longitudinally between the pump side of the motor pump unit and the at least one rechargeable battery, this enables a favorable weight distribution, which simplifies the carrying and thus the handling of the high-pressure cleaning appliance.
  • the mode selector switch may be formed, for example, as a rotary switch or toggle switch.
  • the electrical unit has a control electronics for automatically switching between a battery operation and a network operation, in particular depending on the voltage applied to the power cord.
  • the control electronics for example, have a sensor that detects when the power cord voltage is applied, which is sufficient for powering the motor pump unit. In this case, the control electronics switches to mains operation, ie the electric motor of the motor pump unit is conductively connected to the power cord, so that it can be provided via the power cord, the supply energy.
  • control electronics automatically switch to battery operation, ie the electric motor of the motor pump unit becomes electrically conductive with the at least one such connected to the rechargeable battery. This results in a further simplification of the handling of the high-pressure cleaner.
  • the electrical unit comprises charging electronics for recharging the at least one battery.
  • the recharging can rather be done in the high-pressure cleaner.
  • the at least one rechargeable battery is automatically recharged when the high-pressure cleaning device is connected via the mains cable to an external voltage supply device.
  • the at least one rechargeable battery can be removed from a battery compartment of the high-pressure cleaning device. This allows external recharging of the battery by means of a separate charger.
  • the electrical unit is also connectable via a cable to an external rechargeable power source. This makes it possible to supply the high-pressure cleaner, for example, also mitteis a car battery with electrical energy.
  • the electrical unit has various electrical components. For example, voltage transformers, in particular transformers, can be used and / or thyristors. These components heat up during operation of the high-pressure cleaning device. To give off the heat loss, the electrical unit has one or more heat sink over which the heat loss can be delivered to a cooling medium.
  • the electrical unit comprises an electronic housing which protects the components against water jets, wherein at least one heat sink can be acted upon by a positively guided cooling medium.
  • the electronics housing enables protection of the electrical components against splash water and also against jet water. Spray or jet water can thus not easily reach the electrical components of the electrical unit.
  • the electronics housing takes on the components. However, this has the consequence that the heat loss can not be dissipated easily.
  • At least one heat sink can be acted upon by a positively guided cooling medium, ie at least one heat sink is arranged such that a cooling medium, for example a cooling liquid or cooling air, can flow along the heat sink.
  • a cooling medium for example a cooling liquid or cooling air
  • the at least one heat sink has cooling fins aligned parallel to the flow direction of the cooling medium.
  • the cooling medium can thus flow along the cooling fins, which allow an enlargement of the surface of the heat sink. Due to the surface enlargement, a large amount of heat can be released to the flowing cooling medium within a short time, wherein the cooling medium flow is only insignificantly impaired by the cooling fins.
  • the at least one heat sink can be acted upon by a cooling air flow.
  • the cooling air flow can be caused, for example, by a fan wheel of the electric unit, which is driven by a drive unit of the electric unit.
  • the high-pressure cleaning device has a device housing with cooling air inlet and cooling air outlet openings and a fan unit for forming a cooling air flow, wherein the cooling air flow reaches through a first cooling passage section into which projects the at least one heat sink.
  • the electronics housing has an opening which allows access to the first cooling passage portion and is penetrated by the at least one heat sink, so that it can be acted upon in the first cooling passage portion of cooling air, which enter via the cooling air inlet openings in the device housing of the high-pressure cleaner and leave the device housing via the cooling air outlet openings.
  • a fan unit is used, and for guiding the cooling air flow along the at least one heat sink along a first cooling passage portion is provided through which the cooling air flows and into which projects the at least one heat sink.
  • the electronics housing forms the first cooling channel section. The electronics housing thus accommodates the electrical components of the electrical unit and also forms a cooling channel section, through which the cooling air can flow, so that heat loss can be dissipated effectively.
  • a second cooling channel section is arranged which is delimited by a channel wall.
  • the device housing may for example have two housing shells. On the inside of at least one housing shell, channel walls can be held, which define a second cooling channel section arranged downstream of the first cooling channel section.
  • the second cooling passage section adjoins directly to the first cooling passage section.
  • the channel wall of the second cooling passage portion is integrally formed on a housing shell of the device housing. This simplifies the manufacture and installation of the high-pressure cleaning device.
  • the cooling air flow acting on the at least one heat sink of the electrical unit reaches through a motor housing of the motor pump unit.
  • the cooling air flow is not only used to cool the at least heat sink. Rather, by means of the cooling air flow and heat loss of the motor pump unit can be dissipated.
  • the motor pump unit has a motor housing, which at least the electric motor of the motor pump unit, preferably Also receives a arranged between the electric motor and the piston pump transmission.
  • the cooling air flow can flow on the outside of the electric motor or also reach through the electric motor, so that effective heat loss of the electric motor can be dissipated.
  • the optionally arranged between the electric motor and the piston pump gear can be effectively cooled.
  • the electrical unit is preferably arranged above the motor pump unit and comprises at least one operating or display element, for example, on the upper side or also on a longitudinal or transverse side out of the device housing of the high-pressure cleaning device.
  • the current operating mode of the high-pressure cleaner can be displayed so that the user can easily detect whether the high-pressure cleaner is in battery mode or in network operation.
  • An operating element can be designed in particular for switching the high-pressure cleaning device on and off.
  • control and / or display elements on the top of the device housing allows an additional simplification of the handling of the high-pressure cleaning device, since the control and / or display elements are easily accessible to the user in such an arrangement.
  • At least one operating element is preferably designed as an actuating element of a switch, which is held on a board arranged in the electronics housing of the electrical unit. This allows a particularly compact design of the electrical unit, wherein the number of cable connections can be reduced.
  • at least one switch is held directly on the board, which also accommodates further electrical components of the electrical unit and electrically connects to each other. The switch held on the board can be operated by the user of the high-pressure cleaning device by means of the protruding from the device housing actuator.
  • the actuator is in the form of a foot switch, so that the user can turn on and off the high-pressure cleaner by pressing the foot switch in a very simple manner.
  • the electronics housing of the electrical unit advantageously forms a guide for the actuating element, wherein the actuating element covers the guide.
  • the guide may be formed as a sleeve which receives a guide pin of the actuating element.
  • the actuating element covers the guide.
  • the actuating element can have an end wall accessible to the user and protruding out of the device housing, from which a guide pin and an annular collar surrounding the guide pin project from the underside. The guide pin can dip into an associated guide sleeve.
  • the electronics housing has two housing shells, wherein the guide sleeve and a housing shell form a one-piece plastic molded part. It is expedient if a first and a second housing shell of the electronics housing intermesh to form a housing opening and a subsequent cooling channel section.
  • the two housing shells for example, can be latched together. They take between at least one board, are held on the electrical components of the electrical unit and at least one heat sink.
  • the heat sink can pass through the housing opening, which is defined by the two housing shells, and immerse in the cooling passage section adjoining the housing opening. This allows a simple assembly of the electrical unit, which may be designed in the form of a preassemblable module.
  • a transformer can be used with the aid of which a mains voltage of 230 V can be transformed to a battery voltage of, for example, 24 V. It can also be provided that a battery voltage of, for example, 24 V can be transformed to a supply voltage of the motor pump unit of, for example, 130 V by means of a transformer of the electric unit.
  • the motor pump unit has in an advantageous embodiment of the invention, an electrical power of about 500 watts.
  • This power can be provided by at least one rechargeable battery or via the power cord.
  • Figure 1 a perspective view of a high-pressure cleaning device according to the invention obliquely from the front;
  • FIG. 2 shows a perspective view of the high-pressure cleaning device from FIG. 1 obliquely from behind;
  • Figure 3 is a perspective view of the high-pressure cleaning device of Figure 1 with removed front housing shell;
  • Figure 4 is a perspective view of the inside of a rear housing shell of the high-pressure cleaning device of Figure 1;
  • FIG. 5 shows a perspective view of an electrical unit of the high-pressure cleaning device from FIG. 1;
  • FIG. 6 is a perspective view of the electrical unit of FIG. 5 with the upper and lower housing shells removed;
  • Figure 7 a perspective view of the upper housing shell of
  • Figure 8 a perspective view of the lower housing shell of
  • FIGS. 1 and 2 schematically show a portable high-pressure cleaning device 10 which can be connected via a mains cable 11 to a voltage supply device, for example a public power supply network.
  • a voltage supply device for example a public power supply network.
  • the power supply may be ensured by a rechargeable lithium-ion battery 28 disposed in a battery compartment 27.
  • the high-pressure cleaning device 10 has a substantially cuboid-shaped device housing 13 with a housing bottom 14 and a housing cover 15, which are connected to each other via a front longitudinal wall 16 and a rear longitudinal wall 17 and a first transverse wall 18 and a second transverse wall 19.
  • a recess 21 is formed, in which a substantially U-shaped carrying handle 22 is pivotally held.
  • the device housing 13 has a front housing shell 24 and a rear housing shell 25 which are connected to one another by means of screws and receive the battery compartment 27 in the region of the first transverse wall 18 and a suction inlet 29 and a pressure outlet 30 in the region of the second transverse wall 19 form.
  • Slot-shaped cooling air inlet openings 32 are arranged in the region of the front housing shell 24, and the rear housing shell 25 has a multiplicity of slot-shaped cooling air outlet openings 33.
  • the two housing shells 24, 25 take between them a motor pump unit 35 with a motor housing 36, which can be seen in Figure 3 and in the usual way an electric motor (not shown) of the motor pump unit ⁇ surrounds, which drives a not shown in the drawing to achieve a better overview, the front side protruding from the motor housing 36 piston pump.
  • the piston pump has a suction nozzle, which passes through the suction inlet 29, so that a suction hose can be connected to the free end of the suction nozzle.
  • the piston pump has a pressure outlet 30 by cross-pressure nozzle, at the free end in the usual manner, a pressure hose can be connected, which carries at its free end a dispensing device, so that set by the motor pump unit under pressure cleaning fluid through the dispenser to be cleaned Object can be addressed.
  • a pressure hose can be connected, which carries at its free end a dispensing device, so that set by the motor pump unit under pressure cleaning fluid through the dispenser to be cleaned Object can be addressed.
  • a fan unit 38 is arranged with a fan housing 39 which is formed substantially in the shape of a half-cylinder and is open on its rear housing shell 25 side facing.
  • the fan housing 39 accommodates a fan wheel in the usual way, which can be driven by the electric motor of the motor pump unit 35.
  • an electrical unit 42 is arranged with an electronics housing 43, which has an upper housing shell 44 and a lower housing shell 45, which engage with each other and with the aid of locking elements 47 are releasably locked together.
  • the electrical unit 42 has an upper side on an actuating element in the form of a foot switch 49, which engages with an end wall 50 accessible to the user, an upper-side opening between the two housing shells 24 and 25.
  • a guide pin 51 On the underside of the end wall 50 are a guide pin 51 and at a distance from this an annular collar 52 from which form a one-piece plastic molding in combination with the end wall 50.
  • the foot switch 49 on a lower side of the end wall 50 protruding plunger 53, which is arranged at a distance from the guide pin 51.
  • a display element 55 is arranged on the upper side of the device housing 13, with display symbols 56 and 57, by means of which the user of the high-pressure cleaning device 10 can recognize whether the high-pressure cleaning device 10 is in battery operation or in network operation.
  • the electronics housing 43 accommodates a circuit board 60, on the upper side of which a switch 62 is held, which can be operated by the foot switch 49 via the pressure ram 53.
  • the circuit board 60 is connected via a flexible electrical line 64 to the display element 55 in electrical connection.
  • the circuit board 60 On the underside, the circuit board 60 carries a plurality of electrical components 66, 67, 68, which form a control electronics 70 and a charging electronics 71.
  • the control electronics 70 has in particular a microprocessor, with the help of which between a network operation and a battery operation of the high-pressure cleaning device 10 can be switched automatically back and forth depending on the electrical voltage applied to the power cable 11.
  • the control electronics 70 switches to mains operation, so that subsequently the motor pump unit 35 via the power cord 11 with electrical energy is supplied. If there is no voltage sufficient to supply the motor pump unit 35 to the power cable 11, then the electronic control unit 70 switches to battery operation, so that the supply of the motor pump unit 35 takes place by means of the rechargeable battery 28 arranged in the battery compartment 27.
  • a mode selector switch not shown in the drawing.
  • the rechargeable battery 28 can be recharged by means of the charging electronics 71.
  • the battery 28 can be removed from the battery compartment 27 and recharged by means of an external charging device.
  • a heat sink 74 is disposed on the underside of the circuit board 60, which is made of a thermally conductive material, such as aluminum, and carries a plurality of cooling fins 74.
  • the heat sink 73 passes through a housing opening 76 defined by the upper and lower housing shells 44, 45 and protrudes into a first cooling passage section 78 which is defined by the upper housing shell 44 and the lower housing shell 45.
  • the upper housing shell 44 in this case forms a ceiling wall 80 and an outer side wall 81 of the first cooling passage section 78 projecting downwardly therefrom.
  • the lower housing shell 76 defines an inner side wall 82 of the first cooling passage section 78 adjoining the housing opening 76 in the circumferential direction of the lower housing shell 45 and its bottom wall 83.
  • the upper housing shell 44 is formed as well as the lower housing shell 45 in the manner of a trough.
  • the upper housing shell 44 has a cover 85, from the periphery of an upper edge portion 86 projects downward.
  • the lower housing shell 45 has a bottom 87, from the periphery of a lower edge portion 88 projects upwards, wherein the lower edge portion 88 and the inner side wall 82 of the first channel portion 78 is formed.
  • the lower housing shell 45 can be used to form the housing opening 76 and the first cooling passage section 78 in the upper housing shell 44.
  • the upper edge portion 86 surrounds a free end portion of the lower edge portion 88. This has the consequence that the electrical components 66, 67 and 68 of the electrical unit 42 are protected from spray and jet water. This will be explained in more detail below.
  • the upper housing shell 44 forms a guide sleeve 90, into which the guide pin 51 of the foot switch 49 dips.
  • the guide sleeve 50 is covered by the foot switch 49, so that no injection or jet water can penetrate into the electronics housing 43 via the guide sleeve 90.
  • the first cooling channel section 78 is arranged inside the device housing 13 below the upper-side depression 51.
  • a vertically projecting and self-contained channel wall 92 is formed, which defines a first cooling channel section 78 immediately adjoining the second cooling channel section 94.
  • the rear housing shell 25 has no Cooling air outlet on and opposite this area are formed in the front housing shell 24 and no cooling air inlet openings.
  • Thede povertyeinlass- anddeluftauslassö réelleen 32, 33 are located outside of the area surrounded by the channel wall 92 area adjacent to the two transverse walls 18 and 19th
  • the piston pump is driven by the electric motor of the motor pump unit 35, but also a fan wheel of the fan unit 38, which is arranged in the fan housing 39.
  • a cooling air flow is formed within the device housing 13, which starts from the cooling air inlet openings 32 which are arranged in the front housing shell 24.
  • the cooling air flows through the first cooling passage section 78 and adjoining the second cooling passage section, in order subsequently to be deflected by the fan unit 38, so that it can flow axially through the motor housing 36 of the motor pump unit 35.
  • the cooling air flows along the heat sink 73, wherein the flow direction of the cooling air within the first cooling passage section 78 coincides with the direction of the cooling fins 74.
  • the cooling air then flows through the second
  • Cooling passage portion 94 and the motor housing 36 wherein it also dissipates waste heat of the electric motor of the motor pump unit 35. Subsequently, the cooling air can escape via the cooling air outlet openings 33 from the device housing 13.
  • the two housing shells 44 and 45 of the electrical unit 42 engage in a labyrinthine manner, so that the control electronics 70 and the charging electronics 71st protected against spray and jet water.
  • the electronics housing 43 has the housing opening 76 which is penetrated by the heat sink 43, but this housing opening 76 is reset with respect to the inner side wall 82 in the interior of the electronics housing 43 and covered by the bottom wall 83, the top wall 80 and the outer side wall 81 and arranged in the region surrounded by the channel wall 92.
  • spray or jet water can penetrate into the electronics housing 43 via the housing opening 76.
  • the high-pressure cleaner 10 is characterized by a very simple handling, since it can be optionally supplied via the power cord 13 with electrical energy or by means of the rechargeable battery 28. The operation of the high-pressure cleaner 10 is therefore not dependent on an external power supply device is accessible ,

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

L'invention concerne un appareil de nettoyage haute pression comprenant une unité motopompe pour l'aspiration, la mise sous pression et la distribution d'un liquide de nettoyage, et une unité électrique pour assurer la commande de l'appareil de nettoyage haute pression pouvant être connectée, via un câble de réseau, avec un système externe d'alimentation électrique. En vue de perfectionner l'appareil de nettoyage haute pression afin qu'il soit d'une manipulation simplifiée, l'appareil de nettoyage haute pression est caractérisé en ce qu'il comprend au moins une batterie rechargeable, et en ce que l'alimentation électrique pour l'unité motopompe peut être prévue, au choix, sur la batterie ou sur le câble de réseau.
PCT/EP2009/002548 2008-04-09 2009-04-07 Appareil de nettoyage haute pression Ceased WO2009124710A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09730010.7A EP2268421B1 (fr) 2008-04-09 2009-04-07 Appareil de nettoyage haute pression
CN2009801118493A CN101983106B (zh) 2008-04-09 2009-04-07 高压清洁设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008019524A DE102008019524A1 (de) 2008-04-09 2008-04-09 Hochdruckreinigungsgerät
DE102008019524.3 2008-04-09

Publications (2)

Publication Number Publication Date
WO2009124710A2 true WO2009124710A2 (fr) 2009-10-15
WO2009124710A3 WO2009124710A3 (fr) 2009-12-03

Family

ID=40785499

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/002548 Ceased WO2009124710A2 (fr) 2008-04-09 2009-04-07 Appareil de nettoyage haute pression

Country Status (4)

Country Link
EP (1) EP2268421B1 (fr)
CN (1) CN101983106B (fr)
DE (1) DE102008019524A1 (fr)
WO (1) WO2009124710A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018535821A (ja) * 2015-10-07 2018-12-06 アルフレッド ケルヒャー エスエー ウント コンパニー カーゲー 空冷式高圧洗浄装置
CN109229071A (zh) * 2018-11-13 2019-01-18 锐奇控股股份有限公司 一种高压清洗机
US11890651B2 (en) 2019-10-24 2024-02-06 Andreas Stihl Ag & Co. Kg Venting device with splash guard and power tool with such a venting device
DE102022209153A1 (de) * 2022-09-02 2024-03-07 Robert Bosch Gesellschaft mit beschränkter Haftung Reinigungsgerätevorrichtung und Reinigungsgerät

Families Citing this family (7)

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CN102327878A (zh) * 2011-09-22 2012-01-25 上海亿力电器有限公司 一种低噪音高压清洗机
CN109862971B (zh) * 2016-10-19 2022-04-12 创科（澳门离岸商业服务）有限公司 紧凑型动力清洗机电池、电动机和泵设计
RU2682536C2 (ru) * 2016-10-22 2019-03-19 Виктор Сергеевич Алёшин Автономный моечный аппарат высокого давления
CN108050081A (zh) * 2018-01-11 2018-05-18 利欧集团浙江泵业有限公司 一种充电电池潜水泵
DE102018102012A1 (de) * 2018-01-30 2019-08-01 Alfred Kärcher SE & Co. KG Hochdruckreinigungsgerät
ES2994734T3 (en) 2020-07-29 2025-01-30 Annovi Reverberi Spa Pressure washer provided with an electric battery
DE102022110295A1 (de) * 2022-04-28 2023-11-02 Lehmann Gmbh & Co. Kg Rohr- und Kanalreinigungsmaschine

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US4801088A (en) 1987-06-08 1989-01-31 Baker Wesley L Portable battery powered sprayer
US5100058A (en) 1991-04-03 1992-03-31 Toby Wei Self-contained cleaning system for motor vehicles

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DE8713954U1 (de) * 1987-10-17 1987-12-03 Carl Platz Hochdrucktechnik GmbH, 6710 Frankenthal Hochdruckreinigungsgerät
DE59500726D1 (de) * 1994-02-05 1997-11-06 Kaercher Gmbh & Co Alfred Hochdruckreinigungsgerät
DE29522275U1 (de) * 1995-12-22 2001-03-01 Alfred Kärcher GmbH & Co., 71364 Winnenden Hochdruckreinigungsgerät
DE10053248A1 (de) * 2000-10-26 2002-05-08 Kaercher Gmbh & Co Alfred Hochdruckreinigungsgerät
DE102005045309A1 (de) * 2005-09-16 2007-03-22 Alfred Kärcher Gmbh & Co. Kg Sauggerät

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4801088A (en) 1987-06-08 1989-01-31 Baker Wesley L Portable battery powered sprayer
US5100058A (en) 1991-04-03 1992-03-31 Toby Wei Self-contained cleaning system for motor vehicles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018535821A (ja) * 2015-10-07 2018-12-06 アルフレッド ケルヒャー エスエー ウント コンパニー カーゲー 空冷式高圧洗浄装置
CN109229071A (zh) * 2018-11-13 2019-01-18 锐奇控股股份有限公司 一种高压清洗机
US11890651B2 (en) 2019-10-24 2024-02-06 Andreas Stihl Ag & Co. Kg Venting device with splash guard and power tool with such a venting device
DE102022209153A1 (de) * 2022-09-02 2024-03-07 Robert Bosch Gesellschaft mit beschränkter Haftung Reinigungsgerätevorrichtung und Reinigungsgerät

Also Published As

Publication number Publication date
EP2268421A2 (fr) 2011-01-05
CN101983106B (zh) 2012-11-28
CN101983106A (zh) 2011-03-02
WO2009124710A3 (fr) 2009-12-03
EP2268421B1 (fr) 2014-08-27
DE102008019524A1 (de) 2009-10-15

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