EP0695137B1 - Dispositif de commande a distance pour centrale d'aspiration integree - Google Patents
Dispositif de commande a distance pour centrale d'aspiration integree Download PDFInfo
- Publication number
- EP0695137B1 EP0695137B1 EP94913153A EP94913153A EP0695137B1 EP 0695137 B1 EP0695137 B1 EP 0695137B1 EP 94913153 A EP94913153 A EP 94913153A EP 94913153 A EP94913153 A EP 94913153A EP 0695137 B1 EP0695137 B1 EP 0695137B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control device
- detecting
- hose
- suction cleaning
- negative pressure
- 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
- 238000009434 installation Methods 0.000 title claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims abstract 6
- 238000010168 coupling process Methods 0.000 claims abstract 6
- 238000005859 coupling reaction Methods 0.000 claims abstract 6
- 230000013011 mating Effects 0.000 claims abstract 2
- 239000004020 conductor Substances 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000001934 delay Effects 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- A47L9/28—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
-
- 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
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/38—Built-in suction cleaner installations, i.e. with fixed tube system to which, at different stations, hoses can be connected
-
- 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
- A47L9/2805—Parameters or conditions being sensed
- A47L9/2821—Pressure, vacuum level or airflow
-
- 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
Definitions
- the present invention relates to a remote control device for integrated central vacuum.
- An integrated central vacuum unit is made up of a set comprising a dust container, electric motor, turbine, and various electrical devices for the control of the suction group and finally of suction sockets which can receive cleaning devices.
- the suction unit can be placed in a service room, a room technical, garage, basement, etc ...; this is connected by a network of conduits to suction outlets judiciously arranged in the areas to be cleaned.
- Each take suction is closed by a hinged cover and can receive the end of a flexible the other end of which is equipped with a handle and a telescopic tube provided for receive various cleaning accessories such as brush, turbo-brush, nozzle etc.
- a last principle described and represented in patent WO-A-88/02232 in ALLAWAY OY name consists in using a sound wave transmission for the setting of the suction unit, by means of a transmitter installed in the handle of the hose and a microphone installed near the suction unit.
- This wave sound propagates, via the network of conduits, to the microphone which, after analysis and recognition of said sound wave, will emit a signal to control the relay of the electric motor of the suction unit to cause it to start.
- This transmitter is made from a push button that activates a speaker providing a sound wave at a frequency of the order of 16 Hz as output.
- the device according to the invention overcomes such a drawback while by remaining reliable, inexpensive and able to be installed on an existing or future network in less than fifteen minutes.
- Such a device is defined in claim 1 and in claims 2-8 which relate to particular modes of execution.
- the device according to the invention of the type of that using, via the duct network, sound transmission means between the suction unit and the sockets and means for detecting this specific sound pressure wave and act on the functioning of said group is remarkable in that the aforementioned means suitable for generating an acoustic pressure wave consist of the above flexible which, connected to one of the suction sockets, will create, after manipulation, a wave specific sound conveyed by the network of conduits to the aforesaid means of detection and activation of the suction unit.
- the control device comprises on the one hand the means of interrupting the suction flow using a quarter-turn valve constituted by a fitting placed in seconds between the handle and the hose, and secondly, near the suction group, means to detect the absence of flow with an increase in depression and connected pneumatically to the network of conduits and electrically to a sensor itself connected to the control logic which, after a certain time, will control the electrical relay of the motor to stop the suction unit.
- the same control logic authorize the restarting of the suction unit controlled by the manipulation of the flexible, only after the turbine has come to a complete standstill.
- the above means to detect the absence of flow with an increase in depression in the network of conduits are constituted by a tubular-shaped depressostat with an orifice its base and inside a core screwed on a bolt, itself supported on a spring compression. It also includes a sensor electrically connected to the control unit and able to detect in the tube at the height of a second orifice, the absence or the presence of said nucleus.
- the pressure switch used is adjustable to adapt to the maximum vacuum possible in the pneumatic network of conduits in order to tolerate any non-repairable leak arising from improper installation.
- the above means to detect the absence of flow with an increase in depression in the network of conduits are formed by the microphone making it possible to detect in said network the sound wave produced by the manipulation of the hose.
- the microphone is also able to detect the difference in noise level caused in the ductwork by an increase in vacuum, so as to output a second signal to the control unit which will stop the group, after a predetermined time delay.
- the adjustable pressure switch with its sensor, the pressure wave detector microphone acoustic and / or increased depression in the network as well as the logic of order are put together in a single container so they can bind pneumatically very easily using a tee connecting to the above network of It is important to note that the control unit can also manage a source of current from the suction unit generally intended to be connected to the sockets this source available via a connector outside the group facilitates the installation of the system because a simple electrical connection with two conductors enough.
- the suction unit referenced 1 As shown in the drawing in Figure 1, the suction unit referenced 1 as a whole and of the most widespread type by design on the market, is equipped with a motor 49 controlled by a relay 41 to rotate a turbine 48 in order to create a depression in a box 16 and, via a orifice 17 made in said box, throughout the pneumatic network of ducts 13.
- conduits 13 are at their ends 13A connected to suction outlets 11, distributed in the cleaning zone, each being equipped a shutter 10 sealing the network 13 when closed.
- a flexible and light hose 8 fitted with a nozzle 9 connects to one of the sockets 11 after opening the shutter 10.
- a handle 5 At the other end of the hose 8 is a handle 5 which can, at its end 5A, receive cleaning accessories.
- this installation is advantageously equipped with a remote control device ensuring the starting or stopping of the group suction 1 shown in 2 for its receiving part and in 3 and 8, for its sending part.
- the compact receiver 2 is housed in a tee 14 for its pneumatic connection with network 13 and connect to connector 36 by the conductors 34 and 35, for its connection to the electrical part 37 of the suction group 1.
- the suction group 1 route takes place after introduction of hose 8 with its end piece 9 in the intake 11 after opening the shutter 10.
- the fact of manipulating the flexible 8 is enough to produce a sound wave on a specific frequency which by traversing the network of conduits 13 arrives at a sensor 19 of the microphone type which transmits the signal, via its conductors 22, to all of the electronic components defining a control logic 23.
- the control unit 23 controls a current source 28 of so as to cause a current draw in the circuit constituted by all of the conductors 50, 51, 34, 35, 39, 40 and 42 interconnected by means of connectors 33 and 36, so that the coil of the relay 41 of the suction group 1 establishes, using its contact of power, a current flow in conductors 45, 43 and 47 representing the phase of a mains supply at 220 volts, the neutral being connected directly to the motor 49 by conductors 44 and 46.
- the electric motor 49 of the turbine 48 starts then on to create a depression in the box 16 then, passing through the orifice 17, in the entire network of conduits 13.
- the current source 28 supplying the control logic 23 comes advantageously of the low voltage transformer 38 supplying the relay 41. It should be noted that the control logic 23 uses a very current source for its operation weak or even insignificant, this one being able to cross the coil of relay 41 without harming its smooth running
- the suction unit 1 is stopped on the one hand, with means making it possible to interrupt the flow of air in the suction network 13, and on the other hand with means making it possible to detect this absence of air flow in the network.
- the means for interrupting the air flow in the network 13 are constituted by a valve 3 formed in a connector connected with its sleeve 3B to the end 8A of the flexible 8 and with its sleeve 3A at the end 5B of the handle 5.
- This valve shown in detail in the drawing of Figure 2, has a housing 7 where comes fit and adjust a handle 6 provided with an orifice 12 corresponding to the diameter inside of hose 8.
- a screw 4 held in valve 3 and protruding into the housing 7 comes to fit into a groove 6A formed in the lever 6, on a quarter of perimeter of the latter 6, which allows, after a manual action of a quarter turn on lever 6 to authorize or interrupt the air flow throughout the network pneumatic 13.
- the means making it possible to detect the absence of air flow with increased vacuum in the ductwork 13 may consist of a pressure switch 21, which, associated with a sensor 32 connected to the control logic 23, is constituted by a tube 27 with an orifice 20 at its base and at inside a core 30 screwed onto a bolt 26 bearing on a compression spring 24.
- the increase in depression in the duct network 13 is transmitted to the pressure switch 21, through the orifice 20 in the tube 27 causing the displacement of the core 30 in the direction of arrow 29 which compresses, using the depression adjustment bolt 26, the spring 24.
- This displacement of the core 30 is to release an orifice 31 formed on the height of the tube 27 thus allowing said electronic sensor 32 disposed opposite, to detect the absence of the core 30 at this height and transmit, via its conductors 25, a signal to the control logic 23 which will command the source 28, after a period of time preset, cancellation of current flow in the circuit formed by the conductors 50, 51, 34, 35, 39, 40 and 42, which are interconnected by connectors 33 and 36.
- the time delay preset in control unit 23 for stopping group 1 has for object of avoiding any untimely stoppage of said group, due to the temporary obstruction of cleaning accessories during normal use.
- the coil of the control relay 41 actuates its contact power towards the opening causing the interruption of the current flow in the circuit constituted by the conductors 45, 43 and 47 of the motor 49 of the turbine 48 which, no longer being powered by phase but only by neutral using conductors 46 and 44, stops to work.
- the core 30 of the pressure switch 21 rises in the opposite direction to that of arrow 29 obstructing the orifice 31 of the tube 27 at the height of the sensor 32 which then transmits, via its conductors 25, a new signal to the control logic 23 to give, after a certain time delay (corresponding to the end of the complete shutdown of the turbine (48), the possibility of sensor-microphone 19 to listen to a new signal to restart the suction group 1.
- the absence of flow with an increase in the vacuum in the duct network 13 can be detected by the sensor-microphone 19 which measures the difference in the sound level produced at inside the network of conduits 13 by the variations in depression.
- the microphone 19 will analyze this level difference and send a signal to the output logic control which will program the shutdown of the motor supply circuit 49.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Vacuum Cleaner (AREA)
- Manipulator (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
- Selective Calling Equipment (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Massaging Devices (AREA)
- Control Of Fluid Pressure (AREA)
Description
- son coût,
- l'emplacement de l'émetteur sur la poignée du flexible qui n'est pas à l'abri des chocs,
- l'usage de piles électriques pour fonctionner,
- la mise en fonctionnement impromptue du groupe d'aspiration par simple pression involontaire sur le bouton poussoir de l'émetteur, et cela sans que le flexible ne soit branché dans une des prises d'aspiration,
- de sérieux problèmes de liaison entre l'émetteur et le récepteur placé à proximité du groupe d'aspiration (qui se trouve le plus souvent éloigné de la surface de nettoyage par de multiples cloisons), obligeant les installateurs à prévoir un récepteur réémetteur en supplément de prix pour parer à cet inconvénient.
- en supprimant toute liaison électrique entre les prises d'aspiration et le groupe,
- en pouvant être installé sur des réseaux existants ou futurs ayant par défaut des fuites et ce, grâce au dépressostat réglable ou grâce au microphone qui ne tient pas compte des fuites,
- en s'adaptant à la majorité des centrales d'aspiration intégrées disponibles sur le marché,
- et enfin, en s'installant très facilement par un non spécialiste, en peu de temps et pour un coût inférieur à la plupart des procédés actuellement employés.
- 1
- Groupe d'aspiration
- 2
- Partie réception du dispositif de commande
- 3
- Raccord de vanne assurant l'émission du dispositif de commande
- 3A, 3B
- Manchons de raccordement de la vanne 3
- 4
- Vis de blocage
- 5
- Poignée
- 5A
- Extrémité destinée à recevoir les accessoires
- 5B
- Extrémité destinée à recevoir le manchon 3A
du raccord 3 - 6
- Manette
- 7
- Logement du raccord de vanne 3
- 8
- Flexible de commande
- 8A
- Extrémité du flexible relié au manchon 3B
- 8B
- Extrémité du flexible reliée à son embout 9
- 9
- Embout du flexible 8
- 10
- Volet d'obturation
- 11
- Prise d'aspiration
- 12
- Orifice de la manette 6
- 13
- Réseau de conduits
- 14
- Té de raccordement
- 15
- Flexible anti-vibration
- 16
- Caisson
- 17
- Orifice
- 19
- Capteur de microphone
- 20
- Orifice de communication du tube 27
- 21
- Dépressostat
- 22
- Conducteur reliant le microphone 19 à la logique de commande 23
- 23
- Logique de commande 23
- 24
- Ressort de compression
- 25
- Conducteur électrique reliant le capteur 32
à la logique 23 - 27
- Tube du dépressostat
- 28
- Source de courant
- 29
- Flèche de déplacement du noyau 30
- 30
- Noyau
- 31
- Orifice de détection de la présence ou de l'absence du noyau 30
- 32
- Capteur du dépressostat
- 33
- Connecteur du raccordement électrique
- 34, 35
- Conducteurs électriques
- 36
- Connecteur de raccordement électrique
- 37
- Partie électrique du groupe 1
- 38
- Transformateur basse tension
- 39
- Conducteur électrique
- 40
- Connecteur électrique
- 41
- Relais
- 42
- Conducteurs électriques
- 43, 46
- Conducteurs de phase
- 44, 47
- Conducteurs de neutre
- 45
- Conducteur de phase
- 48
- Turbine
- 49
- Moteur
- 50, 51
- Conducteur électrique
Claims (8)
- Dispositif de commande à distance pour centrale d'aspiration intégrée comportant un groupe d'aspiration (1) qui, raccordé pneumatiquement à un réseau de conduits (13) débouchant à leurs extrémités (13A) sur des prises (11) où s'introduit l'extrémité adaptée (9) d'un flexible (8) possédant à son autre extrémité (8A) une poignée (5) apte à recevoir des accessoires de nettoyage, est du type de celui utilisant, via le réseau de conduits (13) des moyens de transmission sonore entre le groupe d'aspiration (1) et les prises (11) et des moyens (19, 23 et 28) pour détecter cette onde de pression acoustique spécifique et agir sur le fonctionnement dudit groupe (1), et des moyens (21,32) permettant de détecter l'absence de débit par une augmentation des dépressions dans le réseau et les conduits (13), CARACTERISE PAR LE FAIT QUE les susdits moyens aptes à générer une onde de pression acoustique sont constitués par le susdit flexible (8) qui , raccordé à une des prises d'aspiration (11), va créer, après manipulation, une onde sonore spécifique véhiculée par le réseau de conduits (13) vers les susdits moyens de détection (19), et de mise en fonctionnement (23 et 28) du groupe (1).
- Dispositif de commande à distance selon la revendication 1, CARACTERISE PAR LE FAIT QUE les susdits moyens permettant de détecter l'absence de débit avec une augmentation des dépressions dans le réseau de conduits (13), sont constitués par un dépressostat (21), adoptant la forme d'un tube (27) ménagé d'un orifice (20) à sa base et à l'intérieur duquel se déplace un noyau (30) vissé sur un boulon (26), lui même en appui sur un ressort de compression (24).
- Dispositif de commande à distance selon la revendication 1, dans lequel les susdits moyens aptes à détecter l'onde acoustique générée par le flexible (8) sont constitués par un microphone (19), CARACTERISE PAR LE FAIT QUE les susdits moyens permettant de détecter l'absence de débit avec une augmentation de la dépression dans le réseau de conduits (13) sont constitués par le susdit microphone (19) apte à détecter dans ledit réseau, la différence de niveau sonore provoquée par l'augmentation de dépression, à l'intérieur dudit réseau.
- Dispositif de commande à distance selon les revendications 1 et 2, CARACTERISE PAR LE FAIT QUE le susdit dépressostat (21) permettant de détecter l'absence de débit avec une augmentation de la dépression dans le réseau de conduits (13) comporte un capteur (32) apte à détecter dans le tube (27) à hauteur d'un orifice (31), l'absence ou la présence dudit noyau (30).
- Dispositif de commande à distance selon les revendications 1, 2 et 4, CARACTERISE PAR LE FAIT QUE le susdit noyau (30) est taraudé en son centre pour recevoir un boulon (26) permettant de régler la hauteur du noyau (30) par rapport audit orifice (31), afin d'ajuster le dépressostat (51) à la dépression maximum possible du réseau de conduits (13).
- Dispositif de commande selon les revendications 1 à 5 prises ensemble, CARACTERISE PAR LE FAIT QU'il comprend une logique de commande (23) permettant de gérer :les informations transmises par de microphone (19) et/ou le capteur (32) et aptes à commander le fonctionnement du groupe (1).les temporisations nécessaires pour l'arrêt et la remise en route du groupe d'aspiration (1),et une source de courant (28) provenant à l'aide de connecteurs (33 et 36) et de conducteurs (34 et 35) du groupe d'aspiration (1).
- Dispositif de commande à distance selon l'ensemble des revendications 1 à 6 prises ensemble, CARACTERISE PAR LE FAIT QUE le susdit microphone (19), le susdit dépressostat (21), la susdite logique de commande (23), le susdit capteur (32), et la susdite source de courant (28) sont réunis dans un contenant unique (2) relié d'une part, pneumatiquement au réseau de conduits (13) et d'autre part, électriquement au groupe d'aspiration (1).
- Dispositif de commande à distance selon l'une quelconque des revendications 1 à 7, dans lequel les moyens pour interrompre le débit d'air dans le réseau (13) sont constitués par une vanne (3) incorporée dans la poignée (5) du flexible (8), CARACTERISE PAR LE FAIT QUE la susdite vanne, formée par un raccord relié avec son manchon (3B) à l'extrémité (8A) du flexible (8) et avec son manchon (3A) au côté (5B) de la poignée (5), est constitué d'un logement (7) où vient s'emboíter et s'ajuster un quart tournant (6) pourvu d'un orifice (12) correspondant au diamètre intérieur du flexible (8), une vis (4) maintenue dans la vanne (3) dépassant dans le logement (7) vient s'emboíter dans la rainure (6A) du quart tournant (6) réalisée sur un quart du périmètre du quart tournant (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9304588A FR2703897B1 (fr) | 1993-04-13 | 1993-04-13 | Dispositif de commande à distance pour centrale d'aspiration intégrée. |
FR9304588 | 1993-04-13 | ||
PCT/FR1994/000398 WO1994023633A1 (fr) | 1993-04-13 | 1994-04-08 | Dispositif de commande a distance pour centrale d'aspiration integree |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0695137A1 EP0695137A1 (fr) | 1996-02-07 |
EP0695137B1 true EP0695137B1 (fr) | 1999-01-07 |
Family
ID=9446202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94913153A Expired - Lifetime EP0695137B1 (fr) | 1993-04-13 | 1994-04-08 | Dispositif de commande a distance pour centrale d'aspiration integree |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0695137B1 (fr) |
AT (1) | ATE175330T1 (fr) |
AU (1) | AU687049B2 (fr) |
CA (1) | CA2160383C (fr) |
DE (1) | DE69415800T2 (fr) |
DK (1) | DK0695137T3 (fr) |
ES (1) | ES2129122T3 (fr) |
FR (1) | FR2703897B1 (fr) |
HK (1) | HK1011275A1 (fr) |
WO (1) | WO1994023633A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5926908A (en) * | 1995-06-07 | 1999-07-27 | Lindsay Manufacturing, Inc. | Acoustic communicator for central vacuum cleaners |
FR2929096B1 (fr) * | 2008-03-31 | 2010-03-12 | Aldes Aeraulique | Dispositif d'arret a distance pour une installation d'aspiration ou de ventilation |
AT520780B1 (de) * | 2017-12-18 | 2019-10-15 | Erwin Schwoeller | Ansteckmodul für Zentralstaubsaugeranlagen, Zentralstaubsaugeranlage und Verfahren zum Absaugen von Raumluft |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2336624A1 (fr) * | 1975-12-24 | 1977-07-22 | Neu Ets | Prise d'aspiration pour installation de nettoyage par le vide ou de transport par voie pneumatique |
SE410384B (sv) * | 1978-02-22 | 1979-10-15 | K Palmqvist | Anordning foer reglering av till-och franslagning av ett till ett roersystem anslutet vakuumaggregat |
DE3406778A1 (de) * | 1984-02-24 | 1985-08-29 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zur fernbetaetigung der leistungssteuereinrichtung eines staubsaugergeblaeses |
FI74829C (fi) * | 1986-10-01 | 1988-03-10 | Allaway Oy | Foerfarande foer styrning av en anlaeggning saosom dammsugare, centraldammsugare, maskinellt luftkonditioneringssystem eller motsvarande. |
FR2647510B1 (fr) * | 1989-05-23 | 1994-04-01 | Aldes Aeraulique | Dispositif de commande a distance pour installation d'aspiration centralisee |
FR2680313B1 (fr) * | 1991-08-13 | 1993-11-12 | Gb 2000 International | Installation d'aspiration integree avec un aspirateur central commande relie par un reseau de tubes etanches a des prises pour le branchement du flexible d'aspiration. |
-
1993
- 1993-04-13 FR FR9304588A patent/FR2703897B1/fr not_active Expired - Fee Related
-
1994
- 1994-04-08 AT AT94913153T patent/ATE175330T1/de not_active IP Right Cessation
- 1994-04-08 ES ES94913153T patent/ES2129122T3/es not_active Expired - Lifetime
- 1994-04-08 WO PCT/FR1994/000398 patent/WO1994023633A1/fr active IP Right Grant
- 1994-04-08 AU AU65411/94A patent/AU687049B2/en not_active Ceased
- 1994-04-08 DK DK94913153T patent/DK0695137T3/da active
- 1994-04-08 EP EP94913153A patent/EP0695137B1/fr not_active Expired - Lifetime
- 1994-04-08 CA CA002160383A patent/CA2160383C/fr not_active Expired - Fee Related
- 1994-04-08 DE DE69415800T patent/DE69415800T2/de not_active Expired - Lifetime
-
1998
- 1998-11-27 HK HK98112363A patent/HK1011275A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1994023633A1 (fr) | 1994-10-27 |
FR2703897B1 (fr) | 1995-08-25 |
FR2703897A1 (fr) | 1994-10-21 |
EP0695137A1 (fr) | 1996-02-07 |
AU6541194A (en) | 1994-11-08 |
HK1011275A1 (en) | 1999-07-09 |
DK0695137T3 (da) | 1999-08-30 |
DE69415800D1 (de) | 1999-02-18 |
ES2129122T3 (es) | 1999-06-01 |
CA2160383A1 (fr) | 1994-10-27 |
CA2160383C (fr) | 1999-09-28 |
ATE175330T1 (de) | 1999-01-15 |
DE69415800T2 (de) | 1999-05-27 |
AU687049B2 (en) | 1998-02-19 |
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