EP2416691A1 - Verfahren zum betreiben eines reinigungsgerätes sowie reinigungsgerät und reinigungswerkzeug zur durchführung des verfahrens - Google Patents
Verfahren zum betreiben eines reinigungsgerätes sowie reinigungsgerät und reinigungswerkzeug zur durchführung des verfahrensInfo
- Publication number
- EP2416691A1 EP2416691A1 EP10710587A EP10710587A EP2416691A1 EP 2416691 A1 EP2416691 A1 EP 2416691A1 EP 10710587 A EP10710587 A EP 10710587A EP 10710587 A EP10710587 A EP 10710587A EP 2416691 A1 EP2416691 A1 EP 2416691A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning tool
- cleaning
- wear value
- wear
- cleaning device
- 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
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 222
- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000006870 function Effects 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 241001417527 Pempheridae Species 0.000 description 1
- 235000013358 Solanum torvum Nutrition 0.000 description 1
- 240000002072 Solanum torvum Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- 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
- A47L11/02—Floor surfacing or polishing machines
- A47L11/10—Floor surfacing or polishing machines motor-driven
- A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
-
- 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
- A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
- A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
- A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
-
- 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
- A47L11/4002—Installations of electric equipment
-
- 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
- A47L11/4036—Parts or details of the surface treating tools
- A47L11/4041—Roll shaped surface treating tools
Definitions
- the invention relates to a method for operating a cleaning device, in particular for cleaning a surface, with a drive motor that drives a cleaning tool.
- the invention relates to a cleaning device and a cleaning tool for carrying out the method.
- cleaning devices can be used with at least one motor-driven cleaning tool, for example a roller brush or even a disc brush.
- the cleaning tools wear off during their operation. For example, the cleaning bristles of a roller or disc brush are rubbed off over time. When a maximum degree of wear is reached, the cleaning tool should be replaced, since otherwise the risk of damage to the surface to be cleaned exists and the achievable cleaning result is insufficient.
- the degree of wear of the cleaning tool is usually visually inspected by the user. However, this is in some cases associated with difficulties, since the cleaning tool is often mounted in a housing of the cleaning device and can not be easily viewed from the outside. For example, in floor cleaning appliances, in particular in scrubber driers, the cleaning tool surrounded by housing and sealing elements.
- DE 696 08 116 T2 proposes to store the disc brush on a vertically movable linkage whose position can be detected by a potentiometer. With increasing wear of the plate brush, this shifts down further and further towards the floor surface to be cleaned. This displacement is detected by the potentiometer and forms a measure of the degree of wear of the disc brush. If the disc brush is replaced, it is necessary to calibrate the position of the new disc brush to ensure that the signal of the potentiometer corresponds to the actual degree of wear of the new disc brush. The replacement of the disc brush is therefore quite complex for the user.
- Object of the present invention is to provide a method of the type mentioned above and a cleaning device and a cleaning tool for performing the method, wherein the degree of wear of the cleaning tool in the case of an exchange of makestechnik- tool can be determined in a simple manner.
- This object is achieved in a method of the generic type according to the invention by storing a wear value in a storage member of the cleaning tool that corresponds to the degree of wear of the cleaning tool present at the time of storage, and that this wear value is constantly updated.
- a cleaning tool which has a storage member.
- a wear value can be stored, which corresponds to a current degree of wear of the cleaning tool.
- the stored wear value can be read out.
- a new wear value that reflects the current wear of the cleaning tool, and this new wear value can then be stored again in the memory member of the cleaning tool. If the cleaning tool replaced by another cleaning tool, which also has a storage member, it can be read from the memory element of the replaced cleaning tool whose current wear value and used for later updating.
- the determination of the degree of wear of the cleaning tool is therefore very easy even after replacement of the cleaning tool, since the cleaning tool carries a wear value in its memory member, which corresponds to the present at the time of storage wear rate of the cleaning tool. This wear value can then be updated during the further use of the cleaning tool.
- the wear value stored in the storage element of the cleaning tool is read out.
- the readout wear value can be displayed on a display device of the cleaning device to the user, for example.
- the user does not necessarily have to visually check the degree of wear of the cleaning tool before starting a cleaning process.
- the reading out of the stored in the memory element of the cleaning tool wear value when switching on the cleaning device also has the advantage that the user can immediately see if ever a cleaning tool has been mounted. It may happen that a user erroneously assumes that a cleaning tool has already been mounted and that he can start the cleaning process. Instead, however, the cleaning device has not yet been equipped with the appropriate cleaning tool. This can be displayed to the user in a simple manner, since it is not possible, due to the lack of a cleaning tool, to read out its wear value.
- an identification mark can be recognized, for example, which type of cleaning tool is concerned.
- operating parameters of the cleaning device for example the rotational speed or the tool contact pressure
- the horranpressdruck here is the pressure exerted by the cleaning tool during operation of the cleaning device on the surface to be cleaned.
- the tool contact pressure can be predetermined and varied in an advantageous embodiment of the cleaning device, for example, depending on the type of cleaning tool used.
- the current wear value of the cleaning tool is determined when switching off the cleaning device, the current wear value of the cleaning tool and stores it in the memory element of the cleaning tool. If the cleaning tool is used again at a later time, then its current wear value can be taken from the storage member.
- the current wear value is determined at intervals during the ongoing operation of the cleaning appliance and stored in the storage element of the cleaning tool.
- the current wear value is determined at constant time intervals and stored in the memory element. This has the advantage that even in the case of prolonged operation of the cleaning device, a wear value is always stored in the memory element that differs only insignificantly from the actually existing degree of wear. The stored wear value thus corresponds at all times practically to the present degree of wear of the cleaning tool.
- the degree of wear of the cleaning tool is detected by means of a sensor in order to determine the wear value.
- the wear value is determined by calculation. It is particularly advantageous if the wear value is determined using operating data of the cleaning device, in particular using operating data of the drive motor.
- the motor current of the drive motor can be detected in an advantageous embodiment.
- the motor current and thus the current consumption of the drive motor is dependent on the pressure with which the cleaning tool is pressed against the surface to be cleaned and the roughness of the surface. The greater the contact pressure and the rougher the surface, the greater the motor current and the greater the wear of the cleaning tool.
- the motor current can therefore be included in the mathematical determination of the wear value, which is a measure of the actual degree of wear of the cleaning tool.
- the motor current can be detected electrically without the need for mechanical or electromechanical sensors.
- the degree of wear of the cleaning tool is influenced by the running time of the cleaning tool. The longer the cleaning tool is in operation, the greater is usually its degree of wear. It is therefore advantageous if the running time of the cleaning tool is recorded to determine the wear value. This transit time detection can be done electronically without the need for mechanical or electromechanical sensors.
- the motor current of the drive motor over the running time of the cleaning tool is integrated to determine the wear value.
- the value of the thus determined integral forms a wear value which is a measure of the actual degree of wear of the cleaning tool and can be stored in the storage member of the cleaning tool.
- the product of the current motor current and the length of the time interval is formed at intervals and that these product values are added together.
- the added product values essentially correspond to the temporal integral of the motor current and form a measure of the degree of wear of the cleaning tool.
- This measure can be stored in the form of a wear value in the storage member of the cleaning tool. At the beginning of a cleaning process, the last stored wear value can be read from the memory element and based on this wear value, a new wear value can then be determined during further operation of the cleaning tool by continuing the above-mentioned addition or integral formation.
- the wear value is transmitted to the memory element via radio and also read out via radio.
- the cleaning tool can have a transponder, that is to say a radio communication element which receives and answers incoming signals.
- the transponder comprises the memory element. It is favorable if the transponder also has a control logic.
- it comprises a transmitting and receiving antenna, for example an antenna coil.
- the control device of the cleaning device may have a transponder associated write / read device, with the aid of which the memory element can be read out and written wirelessly.
- the transponder is equipped with its own power source.
- Combinations of a transponder and a read / write device are generally known to the person skilled in the art by the term RFID technology (Radio Frequency Identification).
- the current wear value is compared with a predetermined wear value and depending on the result of the comparison, an operating function of the cleaning device is triggered.
- the predetermined wear value may be, for example, a maximum value which, if possible, should not be exceeded.
- a specific reaction that is to say a specific operating function, can be triggered.
- a user of the cleaning device indicates the reaching or exceeding of a predetermined degree of wear.
- At least one operating parameter of the cleaning device is controlled as a function of the result of the comparison between the current wear value and the predetermined wear value.
- the tool contact pressure and / or the rotational speed of the cleaning tool and / or the travel speed of the cleaning device can be made dependent inter alia on the size of the current wear value in comparison with the predetermined wear value. If the current wear value exceeds the predetermined wear value, then, for example, the tool contact pressure or the rotational speed can be reduced.
- the user can acknowledge the display and continue the cleaning process.
- the user can thereby, for example, finish a cleaning process before he exchanges the worn cleaning tool.
- the user can be displayed again the exceeding of the wear value, wherein the user can then acknowledge this display again. It is advantageous if the exceeding of the predetermined wear value is displayed in ever shorter time intervals, so that the user must acknowledge the display in ever shorter time intervals. The risk that it will damage the cleaning tool or the surface to be cleaned is thereby reduced.
- each cleaning tool Preferably stores the predetermined wear value in the memory element of the cleaning tool.
- each cleaning tool can be given a specific wear value in a simple manner.
- the present invention is also based on the object to provide a cleaning device for performing the method mentioned above.
- This object is achieved by a cleaning device having a drive motor and at least one of The cleaning tool has a writable and readable memory element for storing a wear value corresponding to the degree of wear of the cleaning tool and wherein a current wear value can be determined and stored in the memory element of the cleaning tool using the last stored wear value and operating data of the cleaning device.
- the cleaning tool thus carries with it a storage member in which a wear value corresponding to the degree of wear of the cleaning tool is stored. With each use, the cleaning tool continues to wear, that is, the actual degree of wear changes. To account for this change, a new billing value can be determined and stored in the memory member. The old billing value can be overwritten. To determine the new billing value, the previously stored wear value and operating data of the cleaning device, in particular of the drive motor, can be used.
- the storage member of the cleaning tool is wirelessly writable and readable.
- the cleaning tool has a transponder which comprises the storage member.
- the transponder can be assigned a read / write device of the cleaning tool for reading out and writing to the memory element.
- the read / write device can be connected to a control device of the cleaning tool.
- the motor current of the drive motor and the running time of the cleaning tool can be detected and the motor current can be integrated over the term of the cleaning tool.
- this can be calculated in a simple manner, a wear value corresponding to an actual degree of wear of the cleaning tool.
- the wear value previously stored in the storage member of the cleaning tool can be updated automatically and the updated wear value can be stored automatically in the storage member of the cleaning tool. This can ensure that after a cleaning process in the storage member of the cleaning tool, a wear value is stored, which corresponds to the present after the cleaning process degree of wear of the cleaning tool. If the cleaning tool is put back into operation at a later time, the last stored wear value can be read out and can form the basis for updating the wear value.
- the present invention is also based on the object of providing a cleaning tool for carrying out the method mentioned above.
- This object is achieved by a cleaning tool having a storage member in which a cleaning tool uniquely identifying identification mark is stored and in which a current degree of wear of the cleaning tool corresponding wear value can be stored.
- the cleaning tool can be uniquely identified by reading the identification mark and a wear value corresponding to the current degree of wear of the cleaning tool can be stored in its memory element. If the cleaning tool is used in a cleaning device, the identification mark and the wear value can be read out. On the basis of the read-out wear value, a new wear value can then be determined and stored in the memory element at the latest after the completion of an application of the cleaning tool.
- the identification number of a read / write device of the cleaning device can not be changed.
- the identification code is preferably an identification number.
- the cleaning tool comprises a base body, on the outside of the cleaning bristles protrude and having a cavity in which the storage member is arranged.
- the storage member is thus easily protected against mechanical damage.
- the cleaning tool can be configured, for example, as a roller brush or as a disc brush and preferably be used in a sweeping or scrubber drier.
- the sole figure of the drawing shows schematically a cleaning device according to the invention with a cleaning tool according to the invention.
- the inventive cleaning device 10 shown schematically in the drawing comprises a drive motor 12, which is controlled by a control device 14 and drives a cleaning tool in the form of a roller brush 16.
- a drive pulley 20 is rotatably held on a motor shaft 18, which is coupled via a drive belt 22 with a pulley 24.
- the pulley 24 is rotatably connected to a drive shaft 26 which is rotatably supported by a first ball bearing 28 and a second ball bearing 30 on a bearing sleeve 32 of a housing 34 of the cleaning device 10 and a cylindrical base body 36 of the roller brush 16 carries.
- the main body 36 has a cavity 38, in which a transponder 40 with an antenna 42 and a storage member 44 is arranged.
- a plurality of cleaning bristles 46 radially outward.
- a surface can be cleaned, in particular a bottom surface.
- the cleaning device 10 scrubber or configured as a sweeper.
- the housing 34 has a ceiling wall 48, which covers the roller brush 16 and on its side facing away from the roller brush 16 top 50 carries a read / write device 52 which is connected to the control device 14. About the read / write device 52, the memory member 44 of the transponder 40 can be read and written wirelessly.
- the control device 14 is in electrical communication with a display device 54, on which information can be displayed to the user.
- a roller brush 16 uniquely identifying identification number is stored, which can not be changed by the read / write device and read when switching on the cleaning device 10 by means of the read / write device 52 from the non-volatile memory member 44 becomes.
- the control device 14 recognizes in this way, which type of roller brush 16 is used in a cleaning process, and by means of a clock 56, the control device 14 determine the duration of the respective roller brush 16 and display on the display device 54.
- control device 14 detects the motor current of the drive motor 12 by means of a computing unit 58 at short time intervals, for example at intervals of one minute, a time average of the motor current and integrated the time average of the motor current over the life of the roller brush 16.
- the value of the calculated integral forms a wear value that is a measure of the actual degree of wear of the roller brush 16.
- This wear value is compared by a comparison element 60 of the control device 14 with a predetermined, stored in the memory element 44, not changeable by the read / write device 52, maximum allowable wear value of the roller brush 16.
- the achievement or exceeding of the predetermined wear value is displayed to the user on the display device 54.
- the user can then acknowledge the display by means of an input device 62, so that the cleaning operation can be continued.
- the exceeding of the predetermined wear value is again displayed to the user at ever shorter time intervals on the display device 54, which is then displayed by the user
- the integral of the averaged motor current over the life of the roller brush 16 forms the calculated wear value. This can also be calculated as the sum of the products of the respective averaged over a time interval motor current and the length of the respective time interval.
- the currently calculated wear value is stored in the storage member 44 of the roller brush 16.
- the current wear value is stored in the memory element 44 at intervals even during the current cleaning operation.
- a wear value is stored, which corresponds to the degree of wear of the roller brush 16. If the cleaning device 10 is turned on, the wear value stored in the memory element 44 is read in addition to the already mentioned identification number.
- the control device 14 thus receives at the beginning of a cleaning process from the storage member 44 on the one hand information that a roller brush 16 is mounted and which roller brush 16 is concerned, on the other hand receives the memory member 44 is a measure of the currently present degree of wear of the roller brush 16.
- the degree of wear deposited in the storage member 44 then forms the basis for the update of the degree of wear on further use of the roller brush 16.
- the value of the averaged motor current integrated over the subsequent cleaning time is added to the wear value read out from the memory element 44 when the cleaning device 10 is switched on.
- the thus obtained sum then forms the new wear value, which is deposited in the storage member 44 when switching off the cleaning device 10.
- roller brush 16 with integrated transponder 40 gives the control device 14 of the cleaning device 10 the opportunity to determine the running time of the roller brush 16 and also a wear value which represents a measure of the actual degree of wear of the roller brush 16. This wear value can be updated again and stored in the memory element 44. Since different roller brushes are also often required for different cleaning tasks, when the roller brushes of the control device 14 of the cleaning device 10 are replaced, the respective wear value can be transmitted in a simple manner in a contactless manner.
Landscapes
- Brushes (AREA)
- Electric Vacuum Cleaner (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Cleaning In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009018121A DE102009018121A1 (de) | 2009-04-09 | 2009-04-09 | Verfahren zum Betreiben eines Reinigungsgerätes sowie Reinigungsgerät und Reinigungswerkzeug zur Durchführung des Verfahrens |
| PCT/EP2010/054022 WO2010115733A1 (de) | 2009-04-09 | 2010-03-26 | Verfahren zum betreiben eines reinigungsgerätes sowie reinigungsgerät und reinigungswerkzeug zur durchführung des verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2416691A1 true EP2416691A1 (de) | 2012-02-15 |
| EP2416691B1 EP2416691B1 (de) | 2015-05-06 |
Family
ID=42235421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20100710587 Not-in-force EP2416691B1 (de) | 2009-04-09 | 2010-03-26 | Verfahren zum betreiben eines reinigungsgerätes sowie reinigungsgerät und reinigungswerkzeug zur durchführung des verfahrens |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120084930A1 (de) |
| EP (1) | EP2416691B1 (de) |
| CN (1) | CN102378593B (de) |
| DE (1) | DE102009018121A1 (de) |
| DK (1) | DK2416691T3 (de) |
| WO (1) | WO2010115733A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010042347A1 (de) | 2010-10-12 | 2012-04-12 | Alfred Kärcher Gmbh & Co. Kg | Verfahren zum Betreiben eines Reinigungsgerätes und Reinigungsgerät zur Durchführung des Verfahrens |
| DE102013111330A1 (de) | 2013-10-14 | 2015-04-16 | Alfred Kärcher Gmbh & Co. Kg | Reinigungswerkzeug für ein Bodenreinigungsgerät |
| DE102015100353B4 (de) * | 2015-01-12 | 2024-07-04 | Vorwerk & Co. Interholding Gmbh | Verfahren zur Steuerung eines Staubsaugers, Steuereinrichtung für einen Staubsauger und Staubsauger |
| JP2017535725A (ja) | 2015-04-07 | 2017-11-30 | ニュー ハンプシャー ボール ベアリング インコーポレイテッド | 摩耗センサを有する軸受 |
| CN111938508B (zh) * | 2019-05-15 | 2024-03-08 | 添可智能科技有限公司 | 地刷类型识别方法、吸尘设备及存储介质 |
| CN110969823B (zh) * | 2019-11-27 | 2022-03-22 | 深圳拓邦股份有限公司 | 清洁设备的控制方法与清洁设备 |
| CN112401774A (zh) * | 2020-10-30 | 2021-02-26 | 添可智能科技有限公司 | 地刷装置及其调节方法及清洁设备 |
| CN116570189A (zh) * | 2023-04-07 | 2023-08-11 | 云鲸智能(深圳)有限公司 | 清洁设备维护方法、装置、设备及存储介质 |
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| DE2826133C2 (de) * | 1978-06-15 | 1986-04-17 | Vorwerk & Co Interholding Gmbh, 5600 Wuppertal | Schaltungsanordnung zur Kenntlichmachung der für optimalen Betrieb richtigen, aus dem Gerätegehäuse herausragenden Borstenlänge von Borstenwalzen in Bodenpflegegeräten |
| DE3017072A1 (de) * | 1980-05-03 | 1981-11-05 | Vorwerk & Co Interholding Gmbh, 5600 Wuppertal | Antribseinrichtung fuer bodenpflegegeraet |
| US4679271A (en) * | 1986-03-14 | 1987-07-14 | Tennant Company | Automatic tool force compensator for a surface maintenance machine |
| DE3841177A1 (de) * | 1988-12-07 | 1990-06-13 | Schoerling Waggonbau | Verfahren und vorrichtung zur einstellung einer vorgewaehlten kehrspiegelbreite eines walzenbesens |
| US5455979A (en) * | 1993-10-20 | 1995-10-10 | Windsor Industries, Inc. | Apparatus for monitoring cleaning element wear |
| JP3202474B2 (ja) * | 1994-02-28 | 2001-08-27 | アマノ株式会社 | パッド押圧力調整機能を備えた床面艶出機 |
| US5561881A (en) * | 1994-03-22 | 1996-10-08 | U.S. Philips Corporation | Electric toothbrush |
| US5640081A (en) * | 1994-05-13 | 1997-06-17 | Apple Computer, Inc. | Method and apparatus for monitoring discharge of a battery device based on battery self-discharge and discharge over time |
| GB2305360A (en) | 1995-09-06 | 1997-04-09 | William Anthony Briscoe | Brush pressure system for a floor cleaning machine |
| US6163915A (en) * | 1997-09-04 | 2000-12-26 | Minuteman International, Inc. | Control system for floor care machine |
| US6493896B1 (en) * | 1998-10-22 | 2002-12-17 | Alto U.S. Inc. | Brush head positioning system |
| US5940928A (en) * | 1998-01-15 | 1999-08-24 | Tennant Company | Surface maintenance machine with computer controlled operational and maintenance systems |
| JP3235595B2 (ja) * | 1999-05-21 | 2001-12-04 | 松下電器産業株式会社 | 清掃装置 |
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| US20030115694A1 (en) * | 2001-12-20 | 2003-06-26 | Koninklijke Philips Electronics N.V. | Toothbrush having a brushhead portion which contains a memory device for communicating with a microcontroller in a handle portion of the toothbrush or other device |
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| DE10247698A1 (de) * | 2002-10-12 | 2004-04-22 | Thomas, Ralph, Dipl.-Kaufm. | Elektrische Zahnbürste mit elektronischem Informationsdisplay |
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| DE102007050351A1 (de) * | 2007-10-11 | 2009-04-16 | Alfred Kärcher Gmbh & Co. Kg | Reinigungswerkzeug und Reinigungsgerät mit einem derartigen Reinigungswerkzeug |
-
2009
- 2009-04-09 DE DE102009018121A patent/DE102009018121A1/de not_active Withdrawn
-
2010
- 2010-03-26 DK DK10710587.6T patent/DK2416691T3/en active
- 2010-03-26 CN CN201080014804.7A patent/CN102378593B/zh not_active Expired - Fee Related
- 2010-03-26 EP EP20100710587 patent/EP2416691B1/de not_active Not-in-force
- 2010-03-26 WO PCT/EP2010/054022 patent/WO2010115733A1/de not_active Ceased
-
2011
- 2011-10-04 US US13/252,309 patent/US20120084930A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010115733A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102009018121A1 (de) | 2010-10-14 |
| EP2416691B1 (de) | 2015-05-06 |
| DK2416691T3 (en) | 2015-07-27 |
| CN102378593A (zh) | 2012-03-14 |
| CN102378593B (zh) | 2014-08-20 |
| WO2010115733A1 (de) | 2010-10-14 |
| US20120084930A1 (en) | 2012-04-12 |
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