EP0790030B1 - Staubsauger mit einer Detektionseinrichtung für Filterbeutel - Google Patents
Staubsauger mit einer Detektionseinrichtung für Filterbeutel Download PDFInfo
- Publication number
- EP0790030B1 EP0790030B1 EP97100442A EP97100442A EP0790030B1 EP 0790030 B1 EP0790030 B1 EP 0790030B1 EP 97100442 A EP97100442 A EP 97100442A EP 97100442 A EP97100442 A EP 97100442A EP 0790030 B1 EP0790030 B1 EP 0790030B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vacuum cleaner
- sensitive element
- cleaner according
- filter bag
- signals
- 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.)
- Expired - Lifetime
Links
Images
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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
- A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
- A47L9/1472—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters combined with security means, e.g. for preventing use, e.g. in case of absence of the bag
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
- A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
- A47L9/1436—Connecting plates, e.g. collars, end closures
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2805—Parameters or conditions being sensed
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
- A47L9/2842—Suction motors or blowers
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2894—Details related to signal transmission in suction cleaners
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/02—Vacuum cleaner bags
Definitions
- the invention relates to a vacuum cleaner with a detection device for filter bags according to the preamble of claim 1.
- a detection device known from JP-A-5184497 works based on ultrasound. This can only be the presence of any filter bag scanned by ultrasound be, however, in no way the presence of a particular or correct filter bag.
- the vacuum cleaner according to the invention with a detection device can be switched on of the vacuum cleaner if the filter bag is not correct can be prevented, even if the incorrect one is used
- Filter bag has a connector, the shape of which the correct filter bag.
- a poor quality filter bag used which happens to be has the same geometric design, for example in the case of excessive dust passage through the filter wall downstream microfilters are clogged, causing the Vacuum cleaner function is diminished overall and even damage can arise on the vacuum cleaner motor. Too little too Dust passage with an incorrect, too tight filter bag can impair or even impair the vacuum cleaner function Cause damage to the vacuum cleaner motor.
- Detection device can ensure the correct filter bag can be recognized, so that the optimal vacuum cleaner function is preserved and damage caused by pores that are too large or too small Filter bags can be prevented.
- this detection device of course incorrectly inserted correct filter bag or a missing one Filter bags can be recognized. Also in terms of always proves to be stricter product liability requirements the detection device according to the invention is very advantageous.
- the sensor device has for generating the electromagnetic waves advantageously at least one, in particular a resonant circuit having RF transmitter, the sensor signals from the repercussions of the sensitive element formed the transmitter and / or the electromagnetic waves become. In this way, the sensor device reacts very much sensitive to the shape and design of the sensitive element, so that the connector having this sensitive element of the respective filter bag can be reliably recognized.
- the invention Detection device can be realized without structural changes compared to conventional vacuum cleaners or vacuum cleaner housings would be required.
- This assembly can be done in simpler and inexpensive way in or on a wall of the Vacuum cleaner housing in the area of the connector or one the sensitive element area of the filter bag be arranged, preferably the one provided with the structural unit Wall of the vacuum cleaner housing essentially parallel and arranged directly next to the connector used is.
- this is sensitive Element designed as a metallic surface element, in particular as a metal plate or foil or layer, and The sensor signals are dependent on the eddy current effect caused attenuation of the transmitter.
- the Attaching such a metallic surface element to or in the connection piece it can be realized very inexpensively, in particular variations of the respective area and the respective shape are possible in a simple manner.
- the sensitive element in the evaluation device is used for evaluation expediently a certain amplitude of the vibration assigned to the resonant circuit, being used for detection in the Evaluation device is provided a threshold level a derived from the amplitude of the oscillation of the resonant circuit Signal is supplied, being above an adjustable first threshold value, switching on the vacuum cleaner motor Is blocked. From a certain area of the sensitive element, So from a certain damping onwards, the switch-on lock becomes canceled.
- the sensitive Element means to send back to the received electromagnetic waves changed signals
- the Sensor device has a corresponding receiving device. This makes detection even more reliable reached.
- the frequency of the changed signals can be changed and / or phase position can be changed or they can Signal code included.
- corresponding Detection means for those who have changed in a certain way returned signals included.
- Such a sensitive element that increased requirements the technology provides is expedient as a microchip trained that easily for example between different Layers of the connector can be arranged and in mass production is relatively inexpensive to manufacture.
- a capacitive can also be used as a further advantageous embodiment Detection of the sensitive element can be provided.
- the filter bag shown schematically in Figure 1 exists from the actual filter bag 10, the wall of one allowing air to pass through while retaining the dust in the bag Material is made, as well as from a connector 11, which on a location of the inlet opening actual filter bag 10 expediently by gluing is attached.
- a wall 12 of the Vacuum cleaner for which the filter bag is intended is an in the receiving space of the vacuum cleaner that receives the filter bag projecting connection piece 13 is present, on which the connector 11 when inserting the filter bag into the vacuum cleaner is plugged in so that the connecting piece 13 one on the connector 11 formed plug opening 14 passes through and in the inside of the filter bag protrudes. In this way, the Vacuum cleaner sucked air get into the filter bag which then leaves the dust filtered out on the filter bag wall.
- the connector 11 is substantially plate-shaped and consists of cardboard-like rigid material.
- a usually existing slide gate and a push-on opening 14 usually surrounding membrane seal are for Simplification not shown and with conventional filter bags also not available in every case.
- the connector 11 usually consists of several layers of cardboard, as for example in DE 43 39 298 is shown and described.
- a receiving groove for an edge region of the connector 11 provided retaining bar 15, which is also by two appropriately trained holding elements can be replaced.
- a locking projection 16 extends through the opposite side a locking opening 17 when plugging the connector 11 through and locks the connector 11. This can, for example also two locking projections 16 and two locking openings 17 may be provided.
- the type of attachment for the present invention is irrelevant and can, for example according to the state of the art already stated or according to DE 43 39 297 may be formed.
- a circuit board 19 arranged on which an electronic Circuit for detecting the sensitive element 18 arranged is as exemplified in Figures 2 and 4 and is described.
- the sensitive element 18 can in particular in a multi-layer version of the connector 11 also between the layers, that is, arranged inside the connector 11 and is protected on the one hand and on the other hand by not recognizable on the outside.
- FIG. 2 In the embodiment shown as a block diagram in FIG. 2 is an electromagnetic wave generating Oscillating circuit arrangement 20 via a rectification arrangement 21 connected to a comparator assembly 22 via which a triac 23 in the circuit of a vacuum cleaner motor 24 is controllable.
- the mode of operation consists in the fact that the resonant circuit of the resonant circuit arrangement 20 excited by an excitation switch (not shown) emits electromagnetic waves to the outside.
- the AC voltage signals generated due to the vibrations in the electronic circuit are rectified in the rectification arrangement 21, so that a signal is present at the output thereof which is dependent on the amplitude of the vibrations.
- the comparator arrangement 20 containing two comparators it is checked whether this signal is smaller than its first threshold value S 1 and at the same time larger than a second, lower threshold value S 2 . Only when these two conditions are met, the triac 23 is switched to conduct current, so that the vacuum cleaner motor 24 can be switched on by means of a manual switch (not shown).
- the first threshold value S 1 is set so that the output signal of the rectification arrangement 21 is higher when the resonant circuit arrangement 20 is not damped, so that the triac 23 is blocked.
- the sensitive element 18 comes into the effective range of the resonant circuit arrangement 20, and eddy currents are generated by the voltage induced in the sensitive element 18, which draw energy from the resonant circuit and dampen it.
- the oscillation amplitude thus decreases, so that the output signal of the rectification arrangement 21 also decreases.
- the two threshold values S 1 and S 2 are set such that the damping of the resonant circuit arrangement 20 generated by the sensitive element 18 in the correctly assembled state of the connector 11 is just sufficient to push the output signal of the rectification arrangement 21 below the upper threshold value S 1 , however not below the lower threshold value S 2 so that the intended condition is met and the triac 23 is switched to the current-carrying state so that the vacuum cleaner motor 24 can be switched on or operated.
- the threshold value S 1 would not be fallen below and the vacuum cleaner could not be operated.
- the comparator arrangement could 22 also have only one comparator, so that only checked is whether a sensitive element 18 with a certain Minimum size in or on the connector 11 is included.
- a triac 23 can also be another known electrical or electronic switch.
- the connector 11 is a schematic Shown top view.
- four different sensitive elements 25 - 28 arranged: three sensitive Elements 25 - 27 in a rectangular shape with different Areas and a sensitive element 28 in the form of a double stripe.
- these sensitive elements 25-28 Arrangement - with correctly inserted connector 11 - opposite are four resonant circuit arrangements on the circuit board 19 arranged the respective sensitive elements Scan or check 25 - 28.
- Each of the The resonant circuit arrangements 29-33 are thereby determined Damped way, the resonant circuit arrangement 33 no damping experiences. This is shown in comparator arrangements, not shown checked, and only if the intended damping value everywhere is detected, the triac 23 is turned on.
- the number and arrangement of the sensitive elements and resonant circuit arrangements can of course be chosen practically arbitrarily become.
- a sensor device consists of a Transmitter 34 and a receiver 35 for electromagnetic waves.
- a sensitive element 36 to be attached to the connector 11 is designed as a microchip and also consists of a Receiver 37 and a transmitter 38 for electromagnetic waves.
- there is a power supply device 39 for the receiver 37 and the transmitter 38 provided either as a battery is formed or to the resonant circuit of the receiver 37 is connected and from the received in the resonant circuit RF energy wins the supply voltage, such as this is known from DE 41 10 683.
- a converter is contained in the receiver 37 or in the transmitter 38, by which the received signal is changed. This changed The signal is then transmitted by the transmitter 38 of the sensitive element 36 back to the receiver 35 of the sensor device.
- the conversion can be done, for example, by that the frequency or phase of the RF signal is changed.
- the retransmitted can Signal can be modulated in a certain way, so that a certain code sent to the receiver 35 of the sensor device becomes.
- the signal received in the receiver 35 is then in one Decoder 40 then checks whether the intended information of the sensitive element 36 is included. Is this the If so, the decoder 40 switches the triac 23 in a current-conducting manner. Further possibilities of signal coding and retransmission by sensitive elements 36 designed as microchips known from DE 41 10 683 already mentioned.
- the sensitive element in turn as a current-conducting plate or be metallic surface element, which is a part a capacitor of a resonant circuit.
- the sensor devices and evaluation devices can be integrated or non-integrated Circuits on the circuit board 19 may be included. It is it is also possible, for example, to complete the entire circuit or partially formed as an integrated circuit.
- too one sensitive element or several sensitive elements at the actual Filter bag 10 may be arranged, which is in operation usually on the walls of a filter bag in the vacuum cleaner creates.
- the circuit board can then be attached to these walls 19 and / or an integrated sensor and evaluation circuit be arranged.
- Combined versions are also possible, where some sensitive elements on the actual filter bag 10 and some are arranged on the connector 11.
Description
- Figur 1
- in einer vereinfachten Darstellung ein an einem Gehäusebereich eines Staubsaugers angeordneter Filterbeutel in einer Schnittdarstellung,
- Figur 2
- ein Blockschaltbild eines ersten Ausführungsbeispiels mit einem als metallisches Flächenelement ausgebildeten sensitiven Elements,
- Figur 3
- eine Anordnung verschiedener solcher sensitiven Elemente auf einem Anschlußstück eines Filterbeutels in der Draufsicht und
- Figur 4
- ein Blockschaltbild eines zweiten Ausführungsbeispiels der Erfindung, bei dem das sensitive Element die empfangenen elektromagnetischen Wellen in veränderter Form zurücksendet.
Claims (15)
- Staubsauger mit einer Detektionseinrichtung für Filterbeutel mit einer wenigstens ein sensitives Element (18; 25 - 28; 36) im oder am in den Staubsauger eingesetzten Filterbeutel (10) oder dessen plattenartigen Anschlußstück (11) durch elektromagnetische Wellen abfühlenden elektronischen Sensoreinrichtung (20, 21; 34, 35), die über eine anhand der Sensorsignale die korrekte Position und Ausführung des wenigstens einen sensitiven Elements (18; 25 - 28; 36) prüfende Auswerteeinrichtung (22; 40) mit Schaltmitteln (23) verbunden ist, dadurch gekennzeichnet, daß die Sensoreinrichtung (20, 21; 34, 35) wenigstens einen die elektromagnetischen Wellen erzeugenden, einen Schwingkreis aufweisenden HF-Sender (20; 29 - 33; 35) besitzt, daß die Sensorsignale aus den Rückwirkungen des sensitiven Elements (18; 25 - 28; 36) auf den Sender (20; 29 - 33; 35) und/oder die elektromagnetischen Wellen gebildet werden, und daß die Schaltmittel (23) zur Verhinderung eines Einschaltens des Staubsaugermotors bei nicht korrekt erkanntem Anschlußstück oder Filterbeutel ausgebildet sind.
- Staubsauger nach Anspruch 1, dadurch gekennzeichnet, daß wenigstens die Sensoreinrichtung (20, 21; 34, 35) und die Auswerteeinrichtung (22; 40), vorzugsweise auch noch die Schaltmittel (23) als Baueinheit auf einer Leiterplatte (19) angeordnet und/oder als integrierter Schaltkreis ausgebildet sind.
- Staubsauger nach Anspruch 2, dadurch gekennzeichnet, daß die Baueinheit in oder an einer Wandung (12) des Staubsaugergehäuses im Bereich des Anschlußstücks (11) oder eines das sensitive Element aufweisenden Bereichs des Filterbeutels (10) angeordnet ist.
- Staubsauger nach Anspruch 3, dadurch gekennzeichnet, daß die mit der Baueinheit versehene Wandung (12) des Staubsaugergehäuses im wesentlichen parallel und unmittelbar neben dem eingesetzten Anschlußstück (11) angeordnet ist.
- Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das sensitive Element (18; 25 - 28) als metallisches Flächenelement ausgebildet ist, insbesondere als Metallplatte oder -folie oder -schicht, und daß die Sensorsignale in Abhängigkeit der durch den Wirbelstromeffekt hervorgerufenen Dämpfung des Senders (20; 29 - 33) gebildet werden.
- Staubsauger nach Anspruch 5, dadurch gekennzeichnet, daß dem sensitiven Element (18; 25 - 28) in der Auswerteeinrichtung (22) eine bestimmte Amplitude der Schwingungen des Schwingkreises zugeordnet ist.
- Staubsauger nach Anspruch 6, dadurch gekennzeichnet, daß in der Auswerteeeinrichtung (22) eine Schwellwertstufe vorgesehen ist, der ein von der Amplitude der Schwingungen des Schwingkreises abgeleitetes Signal zugeführt ist, wobei oberhalb eines einstellbaren ersten Schwellwerts (S1) das Einschalten des Staubsaugermotors (24) gesperrt ist.
- Staubsauger nach Anspruch 7, dadurch gekennzeichnet, daß zusätzlich unterhalb eines zweiten einstellbaren niedrigeren Schwellwerts (S2) das Einschalten des Staubsaugermotors (24) gesperrt ist.
- Staubsauger nach Anspruch 8, dadurch gekennzeichnet, daß das sensitive Element (36) Mittel (38) zum Rücksenden von gegenüber den empfangenen elektromagnetischen Wellen veränderten Signalen aufweist und daß die Sensoreinrichtung (34, 35) eine entsprechende Empfangseinrichtung (35) besitzt.
- Staubsauger nach Anspruch 9, dadurch gekennzeichnet, daß die veränderten Signale in ihrer Frequenz und/oder Phasenlage verändert sind.
- Staubsauger nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß die veränderten Signale moduliert sind und/oder einen Signalcode enthalten.
- Staubsauger nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß die Auswerteeinrichtung (40) Erkennungsmittel für die in bestimmter Weise veränderten rückgesendeten Signale aufweist.
- Staubsauger nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, daß das sensitive Element (36) als Mikrochip ausgebildet ist.
- Staubsauger nach einem der vorhergehenden Ansprüche, gekennzeichnet durch eine kapazitive Erfassung des sensitiven Elements.
- Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß mehrere sensitive Elemente (25 - 28) an oder in dem Anschlußstück (11) und/oder Filterbeutel (10) angeordnet und durch Sensorteileinrichtungen (29 - 33) der Sensoreinrichtung abfühlbar sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19605780 | 1996-02-16 | ||
DE19605780A DE19605780A1 (de) | 1996-02-16 | 1996-02-16 | Detektionseinrichtung für Filterbeutel in Staubsaugern |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0790030A1 EP0790030A1 (de) | 1997-08-20 |
EP0790030B1 true EP0790030B1 (de) | 2000-12-13 |
Family
ID=7785593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97100442A Expired - Lifetime EP0790030B1 (de) | 1996-02-16 | 1997-01-14 | Staubsauger mit einer Detektionseinrichtung für Filterbeutel |
Country Status (6)
Country | Link |
---|---|
US (1) | US5907886A (de) |
EP (1) | EP0790030B1 (de) |
AT (1) | ATE198030T1 (de) |
DE (2) | DE19605780A1 (de) |
DK (1) | DK0790030T3 (de) |
ES (1) | ES2152582T3 (de) |
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KR101411711B1 (ko) * | 2012-03-08 | 2014-06-25 | 엘지전자 주식회사 | 로봇 청소기 |
US9700189B2 (en) | 2014-08-12 | 2017-07-11 | Techtronic Industries Co. Ltd. | System and method of resetting power in a cleaning system |
JP7098113B2 (ja) * | 2014-12-24 | 2022-07-11 | アイロボット・コーポレーション | 排出ステーション |
DK3326506T3 (da) * | 2016-11-23 | 2023-11-13 | Electrolux Ab | Støvbeholder til støvsuger |
US10660497B2 (en) | 2017-06-12 | 2020-05-26 | Emerson Electric Co. | Upright vacuum cleaner having switch to detect a filter assembly |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2839156A (en) | 1956-09-21 | 1958-06-17 | Health Mor Inc | Suction cleaner motor protective construction |
US2860725A (en) * | 1956-11-29 | 1958-11-18 | Electrolux Corp | Mechanism in the cover of a vacuum cleaner for rendering the cleaner inoperative if no bag is in place |
SE379147B (de) | 1973-11-28 | 1975-09-29 | Electrolux Ab | |
SE390879B (sv) | 1975-01-31 | 1977-01-31 | Electrolux Ab | Dammsugare med avkennare for dammsamlare |
US4184225A (en) | 1976-09-15 | 1980-01-22 | Aktiebolaget Electrolux | Vacuum cleaner dust bag and motor disconnect device |
DE2655547C2 (de) | 1976-12-08 | 1985-11-14 | Aktiebolaget Electrolux, Stockholm | Sicherheitseinrichtung an einem elektrischen Staubsauger |
US4245370A (en) * | 1979-01-08 | 1981-01-20 | Whirlpool Corporation | Control circuit for protecting vacuum cleaner motor from jammed beater brush damage |
DE3434209A1 (de) | 1984-09-18 | 1986-03-20 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung an einem staubsauger zur verhinderung des gebrauchs des staubsaugers bei nichteingesetztem filterbeutel |
SE456398B (sv) * | 1987-01-29 | 1988-10-03 | Electrolux Ab | Sperranordning for dammsugare |
JPH0817755B2 (ja) * | 1988-06-10 | 1996-02-28 | 株式会社テック | 電気掃除機 |
JP2753281B2 (ja) * | 1988-11-11 | 1998-05-18 | 株式会社日立製作所 | 電気掃除機 |
DE4110683A1 (de) | 1991-04-03 | 1992-10-08 | Ulrich Driemeyer | Hochfrequenz-sendeeinheit in kleinstbauweise |
JPH05184497A (ja) * | 1992-01-13 | 1993-07-27 | Matsushita Electric Ind Co Ltd | 電気掃除機 |
DE4339297C1 (de) | 1993-11-18 | 1994-09-22 | Branofilter Gmbh | Filterbeutel für einen Staubsauger |
-
1996
- 1996-02-16 DE DE19605780A patent/DE19605780A1/de not_active Withdrawn
-
1997
- 1997-01-14 EP EP97100442A patent/EP0790030B1/de not_active Expired - Lifetime
- 1997-01-14 AT AT97100442T patent/ATE198030T1/de not_active IP Right Cessation
- 1997-01-14 DE DE59702744T patent/DE59702744D1/de not_active Expired - Fee Related
- 1997-01-14 DK DK97100442T patent/DK0790030T3/da active
- 1997-01-14 ES ES97100442T patent/ES2152582T3/es not_active Expired - Lifetime
- 1997-01-28 US US08/789,290 patent/US5907886A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DK0790030T3 (da) | 2001-01-08 |
ES2152582T3 (es) | 2001-02-01 |
DE19605780A1 (de) | 1997-08-21 |
DE59702744D1 (de) | 2001-01-18 |
EP0790030A1 (de) | 1997-08-20 |
US5907886A (en) | 1999-06-01 |
ATE198030T1 (de) | 2000-12-15 |
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