EP1522251A2 - Reinigungsmaschine mit elektronischer Steuerung - Google Patents
Reinigungsmaschine mit elektronischer Steuerung Download PDFInfo
- Publication number
- EP1522251A2 EP1522251A2 EP04020105A EP04020105A EP1522251A2 EP 1522251 A2 EP1522251 A2 EP 1522251A2 EP 04020105 A EP04020105 A EP 04020105A EP 04020105 A EP04020105 A EP 04020105A EP 1522251 A2 EP1522251 A2 EP 1522251A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning machine
- machine according
- washing
- secondary coil
- insert
- 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
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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
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0049—Detection or prevention of malfunction, including accident prevention
-
- 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
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/16—Imbalance
-
- 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
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
- A47L15/23—Rotary spraying devices moved by means of the sprays
-
- 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
- A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
- A47L2401/30—Variation of electrical, magnetical or optical quantities
-
- 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
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/26—Indication or alarm to the controlling device or to the user
Definitions
- the invention relates to a cleaning machine according to the preamble of claim 1.
- Such a cleaning machine is known from DE 44 38 036 C2 known.
- Cleaning machines have a wet area, usually is called a washroom and one of them waterproof separate dry area, in which inter alia a mostly electronic control of the machine and more Aggregates, such as pumps, valves and the like, are located.
- a washroom waterproof separate dry area
- Aggregates such as pumps, valves and the like
- To control and monitor the operation of the cleaning machine it is desirable to have certain physical To measure or sense sizes within the washroom, For example, the speed of a rotatable spray arm, the exiting by pressurized washing liquid in rotary motion is offset, the speed of a metering pump, a rotatable drum for cleaning hoses etc.
- Cleaning machines especially dishwashers have such Spray arms (called rotating arms) whose rotation the cleaning result significantly influenced, namely by the fact of whether cleaning fluid from the swing arms exit and thus the objects to be cleaned evenly be sprayed.
- rotating arms whose rotation the cleaning result significantly influenced, namely by the fact of whether cleaning fluid from the swing arms exit and thus the objects to be cleaned evenly be sprayed.
- this is not the case, be it through clogged Nozzles on the swivel arms, due to incorrect loading of the dishwasher with objects in the rotation range of the rotary arms protrude and block their rotation with it, through increased friction of the bearing of the rotating arms, by easing the performance of a circulating pump, due to too little water in the Detergent cycle or by foaming in the cleaning fluid.
- the rotational movement of the rotary arms to monitor.
- the said DE 44 38 036 C2 before, the pivot bearing of the rotary arm with to arrange an axial extension in the wet area, wherein the extension means a transmitter (e.g., metal cams, Resonant circuit, etc.) whose signals are connected to a Receiving device (reed contact, proximity switch, Hall sensor etc.) are sensed in the wet or dry area.
- a transmitter e.g., metal cams, Resonant circuit, etc.
- DE 40 10 066 A1 proposes different rotating arms the cleaning machine with different water pressure to apply so that they with different rotational speed operate. From here and out of the the rotary arms leaking rinsing fluid are respectively produces different sounds that are characteristic Frequency ranges lie.
- a microphone which Outside the washroom is located first recorded the noise generated on the washroom inner wall and then with the help of an electronic filter the characteristic frequency ranges from the signal mixture screened. An analysis of the remaining signals allows conclusions about the rotational behavior of the rotating arms.
- a fundamental problem with rotary arm rotation monitoring is that the rotating arms in many cleaning machines, in particular for the cleaning of medical Appliances are used, not fixed in the wash chamber are attached but are located on washing inserts, equipped with the objects to be cleaned and in the Washing chamber of the machine can be used. At almost Each type of washing insert is located on the rotating arms another position.
- the receiving means e.g. Pressure sensors, Microphones or the like at a fixed position arranged in or outside the wash chamber, resulting in the Use of washing inserts, each with different arranged rotary arms is not possible.
- the object of the invention is therefore, the cleaning machine of the type mentioned above to improve that monitoring of movements of aggregates is possible even if these are in different positions in the washroom the cleaning machine are arranged.
- the basic principle of the invention is sensors for monitoring the movement of aggregates on the wash insert to install. From this arises then the consequence problem the transmission of the sensor signals from the respective washing application to control the cleaning machine that is outside located in the washroom, so the wet area of the machine to the dry area.
- a galvanic coupling between the sensors and an evaluation circuit through contacts, Plug, etc. is due to the in the wash chamber prevailing humidity and temperature effects to exclude because of the high susceptibility to interference.
- the invention therefore proposes a galvanically isolated coupling.
- an electromagnetic coupling with used two coils.
- the primary coil is outside the washroom in the dry area or in waterproof Execution in the washroom (wet area) and is connected to an oscillator connected.
- the secondary coil is on the wash in the wet area and is with one or more likewise arranged on the washing insert sensors connected.
- the sensors are, for example, reed contacts, operated by attached to the aggregates magnets become. Every time a magnet passes the reed contact, the reed switch is closed intermittently and reopened, causing the secondary coil for a short time shorted. This acts via the primary coil the oscillator back, thereby at least one of his Parameters, e.g. Frequency, current and / or voltage changes.
- the change of these parameters is made by an evaluation circuit evaluated to the effect that the number of closing or Opening operations of the switches per unit time determined become.
- the number of closing and opening operations depends thereby of the number of aggregates and their rotation speed These values are each characteristic of individual washing inserts are.
- When blocking individual Aggregates or too low speed decreases the number of Closing and opening operations of the switch under a predetermined threshold value and it will trigger an alarm.
- sensors other types of sensors can be used be such.
- the aggregates or rotating arms usually rotate asynchronously to each other, so that only relatively rarely overlaps of pulses occur, i.e. that simultaneously several switches open or close. From the total number of pulses can then be determined whether one or more of the aggregates or rotating arms not turn it correctly. Possibly occurring overlaps can be eliminated by a correction factor. Also exists the possibility of a larger number of aggregates or swivel arms to combine them into several groups, then each group has a pair of coils and an oscillator assigned. Of course, also individual Aggregates, such as e.g. Swivel arms to be monitored.
- the secondary coil on the wash rack by an additional Capacity to a series or parallel resonant circuit formed, which resonates with the frequency of the oscillator stands. As a result, the sensitivity is increased.
- any rotational movements of rotary arms be detected but any rotational movements of itself moving or rotating parts in the washroom, e.g. a rotating washing drum for cleaning medical Hoses, as known from DE 31 43 005 C2 is.
- any type of opening or closing operations or pulses generated on the wash insert be transferred to the control of the machine.
- Sensors can pressure switch, flow meter, flow meter or something similar.
- the washing carrier an identification device provided For example, a magnetic reader and a magnetic coding on the washstand. Because different washbasins too different number of swivel arms or rotating Sharing, this information is the evaluation to transmit this information during the evaluation considered.
- the evaluation device preferably gives an alarm signal off if it is determined that one or more rotating arms do not turn with the expected speed.
- Fig. 1 Even if in the following Embodiment is referred to rotary arms, so it should be expressly noted that with the invention the movement of any aggregates can be detected.
- Such Aggregates can be: rotary arms, washing drums, pumps, Flaps, sliders, valves, door handles moved into the washroom or similar.
- a washing insert 1, for example a task basket is, with the objects to be cleaned is charged and in a laundry room of a cleaning machine is inserted, has several spray arms or rotating arms D1 ... Dn rotatable on one or more axes of rotation A. are stored.
- rotary arms have in a known manner not shown spray nozzles from which cleaning fluid escapes under pressure, causing the respective rotary arm is put into a rotary motion.
- a magnet M1 ... Mn attached to which a reed switch K1 ... Kn is assigned.
- a reed switch K1 ... Kn is assigned.
- This switch does not, for example, on short closing followed by re-opening of the reed contact be.
- the Reed contact is normally closed and passing by of the magnet opens briefly. All reed contacts K1 ... Kn are connected in parallel and with a secondary coil L2 connected.
- the secondary coil L2 may be a capacitor C1 be connected in parallel or alternatively a capacitor C2 in series with a terminal of the secondary coil L1 lie, whereby a resonant circuit is formed on Resonance frequency is tuned with an oscillator.
- Each wash insert 1 additionally has a coding 2, for example in the form of a magnetic coding, where in Interior of the washroom, in which the washing insert 1 is inserted is a reading device 3 is located, the corresponding Code reads and thus a signal for a laundry insert identification which supplies a control 6 of the Cleaning machine is supplied.
- a coding 2 for example in the form of a magnetic coding
- the secondary coil L2 is connected via an air gap Sp with a Primary coil L1 coupled.
- the primary coil (L1) can in watertight execution located in the washroom or also outside the washroom in the drying room, in which case between primary coil (L1) and secondary coil (L2) a window made of non-magnetic material.
- the primary coil (L1) is connected to an oscillator 4 and forms along with this one resonant circuit, over the coupling through the air gap Sp also coupled to the secondary coil L2 is. Both coils L1 and L2 are thus components a resonant circuit with the oscillator 4. Changes at least one of the switches K1 ... Kn its switching state, so acts This also applies to the resonant circuit of oscillator 4 and Primary coil L1 off.
- the secondary coil L2 is short-circuited.
- This changes at least one parameter of said resonant circuit for example the frequency thereof and / or its power consumption or its current or its tension.
- This process can be done by a frequency evaluation circuit 5 are detected and sent to the controller 6 of the machine are reported, at an output 6a emits an error signal or aborts the cleaning process initiates.
- the error signal may be, for example be issued optically or acoustically or in one Cleaning protocol to be printed.
- the frequency evaluation 5 can also an evaluation circuit 7 for the evaluation of others Parameters of the oscillator 4, e.g. its power consumption, its current or its voltage, be provided which also reports its evaluation result to the control 6. Via additional outputs 9, the evaluation result can also otherwise be output, be it as an error signal or as a cleaning protocol.
- Parameters of the oscillator 4 e.g. its power consumption, its current or its voltage
- FIG. 2 shows a block diagram of an evaluation circuit.
- one or more switches K1 are parallel connected to the secondary coil L2.
- a series connection a resistor R5 and the primary coil L1 is between Supply voltage Vcc and ground.
- Parallel to the primary coil L1 is the oscillator 4.
- a first Low pass Tp1 connected, whose output is connected to the non-inverting Input of a comparator 10 is connected.
- the output of the first low pass Tp1 is via a second Lowpass Tp2 with the inverting input of the comparator 10 connected.
- the first low-pass filter Tp1 smoothes the at the primary coil L1 falling voltage, so that the oscillator frequency is not into the measurement.
- the output signal of the second Low-pass filter whose cut-off frequency is lower than that of the first low-pass filter, serves as a reference voltage for the comparator 10. With switched switch K1 the output voltage of the low-pass filter Tp1 is larger than that of the low-pass filter Tp2, so that the comparator 10th turns on and outputs a high level at its output.
- Fig. 3 shows a more detailed circuit diagram of the circuit according to Fig. 2.
- the primary coil L1 is here in two sub-coils Split L11 and L12.
- the primary coil L1 and the secondary coil L2 are each in two sub-coils L11, L12 and L21, Split L22.
- the respective partial coils can be spatially be separated from each other and are in pairs associated with each other, so electromagnetically via an air gap coupled with each other, so L11 with L21 and L12 with L22.
- a first terminal of the first partial coil L11 is with a first capacitor C1, whose second terminal with a series connection of a resistor R2, a collector-emitter path of a transistor T1 and a resistor R1, the latter with ground connected is.
- the base of the transistor T1 is located at a Voltage dividers from resistors R3 and R4.
- the resistance R4 is connected to ground and resistor R3 is connected via a another resistor R5 with supply voltage Vcc.
- One Connection of the second partial coil L12 is via a capacitor C2 is connected to the base of the transistor T1.
- the second Connection of the partial coil L12 is grounded.
- the two partial coils L11 and L12, the capacitors C1 and C2, the resistors R1 to R4 and the transistor T1 form a Meissner oscillator whose output is the first connection the first sub-coil L11 is. This output is via a Capacitor C3 connected to ground, where the resistance R5 and the capacitor C3 form the first low-pass filter TP1.
- the common connection point between the resistor R5 and the capacitor C3 form the output of the first Low pass TP1 and is connected via a capacitor C4 with the non-inverting input of the comparator 10 connected and via a resistor R6 to ground.
- the capacitor C4 and the resistor R6 form a high pass whose Output the common connection point between the capacitor C4 and resistor R6.
- the output of this High pass is via a series connection of a resistor R7 and a capacitor C5 connected to ground, wherein the common connection point between the resistor R7 and the capacitor C5 with the inverting input the comparator 10 is connected.
- the resistor R7 and the capacitor C5 form the second low-pass filter TP2, its output as a reference voltage for the inverting Input of the comparator 10 is used. At the output of the comparator 10 then appear in connection with FIG. 2 explained Switching pulses.
- TP1 is 100 Hz.
- the capacitor C4 and the resistor R6 form a high-pass HP whose filtered Output signal at the non-inverting input of the Comparator 10 and at the entrance of the second low pass R7 and C5 (TP2).
- the cutoff frequency of the high pass For example, HP is 10 Hz and that of the second low pass TP2 at 1 Hz.
- the output signal of the second low-pass filter TP2 serves as a reference voltage at the inverting input of the comparator 10.
- the oscillator frequency is in this case in the order of 120 kHz.
- the coil L11 is included direct component of the oscillator and with the feedback coil L12 inductively coupled. This causes the Power consumption of the oscillator when closing the switch becomes smaller, since the positive feedback decreases, so that the voltage at the output of the first low-pass filter Tp1 increases.
- the following high-pass filter is only for direct current separation of the signal, so that only the alternating component at the comparator is evaluated.
- the first low-pass filter thus essentially serves for suppressing the oscillator frequency, the high-pass filter for suppressing the DC component and the second Low-pass filter for automatic long-term stable generation of a Reference value.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Slot Machines And Peripheral Devices (AREA)
Abstract
Description
- Fig. 1
- eine Prinzipskizze der Reinigungsmaschine nach der Erfindung;
- Fig. 2
- ein Blockschaltbild einer Überwachungsschaltung; und
- Fig. 3
- ein detailiertes Schaltbild der Schaltung der Fig. 2.
Claims (12)
- Reinigungsmaschine mit einem Waschraum und mindestens einem in dem Waschraum angeordneten Sensor zur Erfassung einer physikalischen Größe und mit einer Empfangseinrichtung, die mit einer außerhalb des Waschraumes angeordneten Auswerteschaltung verbunden ist,
dadurch gekennzeichnet, daß der Sensor (K1...Kn; M1...Mn) an einem in den Waschraum der Reinigungsmaschine einsetzbaren Wascheinsatz (1) angebracht ist,
daß der Sensor ein stromversorgungsfrei arbeitender Schalter (K1...Kn) ist,
daß der Schalter (K1...Kn) mit einer ebenfalls an dem Wascheinsatz (1) angebrachten Sekundärspule (L2) verbunden ist,
daß die Sekundärspule (L2) elektromagnetisch mit einer Primärspule (L1) gekoppelt ist,
daß die Primärspule (L1) mit einem Oszillator (4) verbunden ist, der in Abhängigkeit von der elektrischen Eigenschaft der Sekundärspule (L2) mindestens einen seiner Parameter verändert, und
daß die Auswerteeinrichtung (R5, Tp1, Tp2, 10) aufgrund dieses geänderten Parameters die physikalische Größe ermittelt. - Reinigungsmaschine nach Anspruch 1, dadurch gekennzeichnet, daß die physikalische Größe die Bewegung eines an dem Wascheinsatz (1) angebrachten Aggregates (D1...Dn) ist und der Sensor einen an dem Aggregat (D1...Dn) angebrachten Magneten (M1...Mn) und den von dem Magneten betätigbaren Schalter (K1...Kn) aufweist, der parallel zur Sekundärspule (L2) geschaltet ist.
- Reinigungsmaschine nach Anspruch 2, dadurch gekennzeichnet, daß der Schalter ein Reed-Kontakt (K1...Kn) ist.
- Reinigungsmaschine nach Anspruch 3, dadurch gekennzeichnet, daß der Reed-Kontakt (K1...Kn) beim Passieren des zugeordneten Magneten kurzzeitig schließt.
- Reinigungsmaschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Sekundärspule (L2) durch einen Kondensator (C1, C2) auf Resonanz mit der Frequenz des Oszillators (4) abgestimmt ist.
- Reinigungsmaschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der von der Auswerteeinrichtung ausgewertete Parameter des Oszillators (4) dessen Frequenz, Leistungsaufnahme, Strom oder Spannung ist.
- Reinigungsmaschine nach Anspruch 6, dadurch gekennzeichnet, daß die Primärspule (L1) über einen Widerstand (R5) mit Versorgungsspannung verbunden ist,
daß die Primärspule (L1) über ein erstes Tiefpaßfilter (Tp1) mit einem nichtinvertierenden Eingang eines Komparators (10) verbunden ist und
daß der Ausgang des ersten Tiefpaßfilters (Tp1) über ein zweites Tiefpaßfilter (Tp2) mit einem invertierenden Eingang des Komparators (10) verbunden ist. - Reinigungsmaschine nach Anspruch 7, dadurch gekennzeichnet, daß der Ausgang des Komparators (10) mit einer Recheneinrichtung (5, 6, 7) verbunden ist,
daß an dem Wascheinsatz eine Codierung (2) und im Naßbereich der Reinigungsmaschine eine Leseeinrichtung (3) für das Lesen der Codierung angeordnet ist, wobei diese Leseeinheit (3) mit der Recheneinheit verbunden ist, die in Abhängigkeit von der Codierung des Wascheinsatzes Grenzwerte für Drehzahlen des Dreharmes festlegt. - Reinigungsmaschine nach einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß das Aggregat ein Dreharm (D1...Dn) ist, der durch austretende Flüssigkeit in Drehbewegung gesetzt wird.
- Reinigungsmaschine nach einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß das Aggregat eine rotierende Trommel zur Reinigung von schlauchförmigen Gegenständen ist.
- Reinigungsmaschine nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß auf dem Wascheinsatz mehrere Aggregate (D1...Dn) angeordnet sind,
daß jedem Aggregat (D1...Dn) ein Sensor (M1...Mn; K1...Kn) zugeordnet ist und
daß alle Sensoren parallel zur Sekundärspule (L2) geschaltet sind. - Reinigungsmaschine nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Primärspule (L1) und die Sekundärspule (L2) jeweils in zwei räumlich getrennte Teilspulen (L11, L12; L21, L22) aufgeteilt sind und jeweils paarweise (L11/L21; L12/L22) elektromagnetisch miteinander gekoppelt sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10347835A DE10347835B4 (de) | 2003-10-10 | 2003-10-10 | Reinigungsmaschine |
DE10347835 | 2003-10-10 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1522251A2 true EP1522251A2 (de) | 2005-04-13 |
EP1522251A3 EP1522251A3 (de) | 2009-05-13 |
EP1522251B1 EP1522251B1 (de) | 2010-12-29 |
Family
ID=34306400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04020105A Not-in-force EP1522251B1 (de) | 2003-10-10 | 2004-08-25 | Reinigungsmaschine mit elektronischer Steuerung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1522251B1 (de) |
AT (1) | ATE493058T1 (de) |
DE (2) | DE10347835B4 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011062790A3 (en) * | 2009-11-18 | 2011-08-04 | Premark Feg L.L.C. | Method for operating a ware washer and ware washer |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005033110B4 (de) * | 2005-07-15 | 2011-05-19 | Miele & Cie. Kg | Spülmaschine |
DE102005059604B3 (de) * | 2005-12-12 | 2007-03-22 | Bht Hygienetechnik Gmbh | Verfahren zur Überwachung einer Drehbewegung von Dreharmen einer Reinigungsmaschine und Reinigungsmaschine zur Durchführung des Verfahrens |
DE102010051524A1 (de) * | 2010-11-16 | 2012-05-16 | Belimed Ag | Rotations-Überwachung für die Wascharme eines mehretagigen Waschgut-Aufnahmewagens |
DE102013226637A1 (de) | 2013-12-19 | 2015-06-25 | Meiko Maschinenbau Gmbh & Co. Kg | Reinigungsvorrichtung und Verfahren zur Reinigung von Reinigungsgut |
DE102022004275A1 (de) | 2022-11-19 | 2024-05-29 | Robert Simmoteit | Filtervorrichtung und Dreharmantrieb |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0053231A1 (de) * | 1980-11-28 | 1982-06-09 | Zeltron Istituto Zanussi Per L'elettronica S.P.A. | Geschirrspüler mit einer Vorrichtung zum Überwachen der Drehung der Sprüharme |
DE4018048A1 (de) * | 1990-06-06 | 1991-12-12 | Licentia Gmbh | Geschirrspuelmaschine |
DE4020898A1 (de) * | 1990-06-30 | 1992-01-02 | Licentia Gmbh | Geschirrspuelmaschine mit einem sprueharm |
EP0534213A1 (de) * | 1991-09-26 | 1993-03-31 | ZANUSSI GRANDI IMPIANTI S.p.A. | Überwachungseinrichtung für wasch- und spülprogrammgesteuerte Geschirrspülmaschine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3143005C2 (de) * | 1981-10-29 | 1984-03-22 | BHT Hygiene-Technik GmbH, 8000 München | Spülmaschine |
DE4010066C2 (de) * | 1990-03-29 | 1997-11-27 | Miele & Cie | Verfahren zur Überwachung der Sprüharmrotation bei einer Geschirrspülmaschine |
DE4438036C2 (de) * | 1994-10-25 | 1996-08-14 | Bauknecht Hausgeraete | Geschirrspülmaschine mit einem Spülwasser-Kreislauf |
DE19732856C2 (de) * | 1997-07-30 | 2000-05-18 | Bht Hygiene Technik Ing H Bier | Reinigungsmaschine und Überwachungsverfahren |
-
2003
- 2003-10-10 DE DE10347835A patent/DE10347835B4/de not_active Expired - Fee Related
-
2004
- 2004-08-25 EP EP04020105A patent/EP1522251B1/de not_active Not-in-force
- 2004-08-25 DE DE502004012048T patent/DE502004012048D1/de active Active
- 2004-08-25 AT AT04020105T patent/ATE493058T1/de active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0053231A1 (de) * | 1980-11-28 | 1982-06-09 | Zeltron Istituto Zanussi Per L'elettronica S.P.A. | Geschirrspüler mit einer Vorrichtung zum Überwachen der Drehung der Sprüharme |
DE4018048A1 (de) * | 1990-06-06 | 1991-12-12 | Licentia Gmbh | Geschirrspuelmaschine |
DE4020898A1 (de) * | 1990-06-30 | 1992-01-02 | Licentia Gmbh | Geschirrspuelmaschine mit einem sprueharm |
EP0534213A1 (de) * | 1991-09-26 | 1993-03-31 | ZANUSSI GRANDI IMPIANTI S.p.A. | Überwachungseinrichtung für wasch- und spülprogrammgesteuerte Geschirrspülmaschine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011062790A3 (en) * | 2009-11-18 | 2011-08-04 | Premark Feg L.L.C. | Method for operating a ware washer and ware washer |
Also Published As
Publication number | Publication date |
---|---|
DE10347835B4 (de) | 2006-02-09 |
DE502004012048D1 (de) | 2011-02-10 |
EP1522251B1 (de) | 2010-12-29 |
DE10347835A1 (de) | 2005-05-12 |
EP1522251A3 (de) | 2009-05-13 |
ATE493058T1 (de) | 2011-01-15 |
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