Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
  • F24F13/22—Means for preventing condensation or evacuating condensate
  • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F11/00—Control or safety arrangements
  • F24F11/89—Arrangement or mounting of control or safety devices
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
  • F24F13/22—Means for preventing condensation or evacuating condensate
  • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
  • F24F2013/227—Condensate pipe for drainage of condensate from the evaporator

Definitions

• Condensate lifting device comprising a mobile condensate receiving tank, or mounted on a mobile support, in translation and / or rotation
• the field of the invention is that of condensate lifting devices, intended for use in systems producing condensates, in particular air conditioning systems, refrigeration systems, ventilation systems or heating systems.
• the invention is not limited to this particular field of application but applies to all systems producing condensates, in particular systems of the "HVAR” type (for “Heating, Ventilation, Air-conditioning, Refrigeration” in English, ie "Heating, ventilation, air conditioning and / or refrigeration”).
• HVAR Heating, Ventilation, Air-conditioning, Refrigeration
• the condensates - which result from the condensation of water vapor present in the ambient air which is cooled - are conventionally recovered in a tank, or more generally in a recovery tank, which can in some cases be a simple collection sign.
• the invention applies more particularly to the latter case.
• Pumping condensate systems generally provide operates a hydraulic pump controlled - that is to say, started and stopped - by means of detecting the level of condensate present in the tank.
• These means for detecting the level of condensate can be based on a level sensor, for example a capacitive sensor, configured to be able to measure at least two levels of condensate inside the tank, corresponding to a first maximum level, at which the pump must be activated in order to evacuate the condensates, and a second minimum level, at which the pump must be stopped.
• a level sensor for example a capacitive sensor, configured to be able to measure at least two levels of condensate inside the tank, corresponding to a first maximum level, at which the pump must be activated in order to evacuate the condensates, and a second minimum level, at which the pump must be stopped.
• a third level of condensate can be measured, higher than the maximum level, and corresponding to a critical situation, in which the liquid height is abnormally high (for example due to a blocked or out of use pump). ).
• Processing means deliver the required commands to the pump (start or stop), as a function of the condensate levels detected by the condensate level detection means.
• An alarm system can also be provided so as to warn the user of an abnormally high level of liquid in the receiving tank, in particular when the security level is reached.
• the condensate lifting devices thus comprise a certain number of essential components, which the technician assigned to the installation of the device must install one by one, then connect by a plurality of cables and conduits.
• the components of the condensate lifting device are supplied and then installed separately, or independently of each other, which implies the use of a relatively large number of connection elements (hydraulic and electrical), possible installation difficulties, and risks of malfunction, loss of time and money, ...
• the condensate pump must be connected to the air conditioner by means of several electric cables, in particular a cable corresponding to the phase, a cable corresponding to neutral, and an alarm cable, corresponding to the security level.
• the alarm cable sometimes poses installation difficulties for technicians: in fact, it can be difficult to connect it to an air conditioner which has not been explicitly designed to cooperate with the lifting device considered.
• the condition of the condensate lift pump must be checked regularly to prevent condensate from leaking out of the tank, due to fouling or failure, and the condensate receiving tank must be regularly drained and cleaned to prevent stagnation of condensate and the creation of biofilms.
• the condensate lifting pump and the condensate receiving tank can generally only be reached by the maintenance technician by dismantling one or more parts of the air conditioner or its environment beforehand, which implies a significant loss of time and efficiency.
• the relative heights of the condensates detected in the tank can thus be distorted and therefore lead to a risk of failure of the condensate lifting device, for example a too late triggering of the pump causing condensate leaks.
• the present invention aims to overcome at least some of these drawbacks of the prior art, according to the embodiments.
• a condensate lifting device comprising a condensate receiving tank, and a pump for lifting the condensate received in said tank.
• the pump is mounted on a first support carrying means for holding and / or guiding said tank or a second support carrying said tank, so that said tank or said second support is mobile, in translation and / or in rotation, relative to said first support, so as to be able to take at least two positions:
• a working position in which said tank is connected to said pump; a drain position, in which said tank is disconnected from said pump and moved relative to said first support, so as to allow a cleaning and / or condensate draining operation.
• the condensate lifting device comprises means for detecting at least a predetermined level of condensate in said tank, mounted on said first support.
• said condensate level detection means extend outside of said tank, near the latter.
• said first support is formed by or comprises a printed circuit carrying said pump and / or means for controlling said pump.
• said condensate level detection means use at least two electrodes deposited directly on said printed circuit.
• said first support carries at least one slide guiding said tank or said second support.
• said slide carries a connector receiving a pipe delivering the condensates produced by an HVAR system to which is assigned said condensate lifting device, and directing them towards said tank, at least in said working position.
• said first support is mounted movable in translation and / or in rotation relative to a third support, intended to be fixed with respect to an HVAR system to which said condensate lifting device, so that said first support can take at least two positions: an operating position and a maintenance position.
• said third support carries a first electrical connector, bringing an electric current capable of cooperating with a second electrical connector carried by said first support, and / or a first hydraulic connector, suitable for being connected with a second hydraulic connector secured to said pump. , said first electrical connector and / or said first hydraulic connector being mounted so that it is disconnected from said second electrical connector and / or from said second hydraulic connector, in said maintenance position.
• said first hydraulic connector comprises or cooperates with a hydraulic anti-siphoning and / or non-return element mounted on said third support.
• said first support or said third support forms a structural element capable of maintaining or participating in the maintenance of an HVAR system to which said condensate lifting device is assigned.
• said first support or said third support carries means for powering said HVAC system.
• the condensate lifting device comprises means for cutting off said supply means when said level detection means detect that an alarm level has been reached.
• said tank has a condensate receiving zone, at least one wall of which has a draft adapted to limit the stagnation of condensate in said tank.
• the condensate lifting device is housed in a housing having an opening for extracting said movable tank, said second support and / or said first support.
• said movable tank, said second support and / or said first support carries a cover capable of cooperating with said extraction opening.
• the condensate lifting device is configured to cooperate with a left side or a right side of an HVAR system to which said condensate lifting device is assigned.
• said box is, or includes:
• the condensate lifting device comprises means indicating a need to drain said condensate receiving tank and / or maintain said lifting device.
• the condensate lifting device comprises a mechanism for triggering an at least partial extraction or reinsertion of said movable tank or of the second support, relative to said first support, and / or said first support, with respect to said third support.
• Figure 1 schematically illustrates a condensate lifting device according to one embodiment of the invention
• FIG 2 shows the condensate lifting device of Figure 1, integrated in an air conditioner
• FIG. 3 schematically represents the three sub-assemblies of the condensate device of FIG. 1, separated from each other, namely the tank, moved relative to a pump support carrying the printed circuit equipped with the condensate lifting pump , itself moved relative to a basic support;
• FIG. 4 represents the printed circuit of FIG. 3, carrying in particular the condensate pump, the electrodes of the condensate level detector, the alarm system, and a control panel;
• Figure 5A illustrates the condensate receiving tank of Figure 3, extracted from the air conditioner so as to allow its emptying or cleaning, according to an embodiment in which the tank is movable in translation;
• FIGS. 5B and 5C illustrate two variants of mounting and displacement of the tank
• FIG. 6 illustrates the first support comprising the printed circuit equipped with the condensate lifting pump, extracted from the air conditioner
• FIG. 7 is a view of the external surface of the air conditioner, and more precisely of a cover allowing the access to the condensate receiving tank and / or to the pump support to be obscured;
• FIG. 8 schematically illustrates the wiring of the power supply of the lifting device and of the air conditioner, simplifying the management of alarm situations. 5. Detailed description
• the invention proposes a new approach to the architecture of a condensate lifting device, making it possible to simplify the manufacturing, installation and maintenance operations of the device.
• the condensate lifting device notably includes a condensate receiving tank which must be regularly checked to prevent any stagnation of condensate which could cause the formation of biofilm, aqueous and gelatinous matrix secreted by bacteria in the liquid, and which promotes bacterial proliferation.
• the condensate receiving tank must therefore be easily accessible so that it is regularly drained and cleaned, in order to remove condensate which has not been removed by the condensate lifting pump.
• the condensate receiving tank is movable in translation and / or in rotation relative to a pump support, or first support, carrying a pump intended for lifting the condensates recovered in the tank.
• the condensate receiving tank can be carried by a tank support, or second support, movable in translation and / or in rotation relative to the pump support.
• the tank can be a one-piece molded element, for example made of plastic, or an element secured to a support.
• the condensate receiving tank, or the tank support on which it is mounted, can thus take two distinct positions:
• working position in which the tank is connected to the pump, so that the pump can extract the condensate from the tank;
• emptying position in which the tank is disconnected from the pump and extracted from the pump support, or at any the least displaced relative to it, so as to allow a condensate cleaning and / or emptying operation.
• the support carrying in particular the pump and its control means can be separated from a basic support, to allow intervention on its components.
• the base support carries elements for electrical connection (power supply and connection with the air conditioner) and hydraulic connection with the pump, withdrawable by moving the pump support.
• the basic support can be adapted to participate in the placement, mounting and / or maintenance of the air conditioner.
• the electrical means of the pump support directly controls the supply of the air conditioner.
• the sector is received in electrical means, then redirected to the air conditioner.
• the electrical means act directly on a relay, cutting the power to the air conditioner, without it being necessary for the latter to receive an alarm signal or to deals with in a particular way.
• Figure 1 schematically shows a condensate lifting device 1 according to an embodiment of the invention.
• the condensate lifting device 1 can be integrated into the housing of a wall-mounted air conditioner 100. In this case, it can correspond to an angle of the air conditioner, and participate in the mounting and / or maintenance of the latter. Special means, guides, polarizing and / or fixing means can thus be provided, for cooperating with the air conditioner (and more generally the system cooperating with the condensate lifting device).
• the condensate lifting device 1 could also be placed in a chute or in an interior architectural element, decorative or otherwise, placed outside the air conditioner 100 and connected to the latter by known means.
• the condensate lifting device 1 is intended to recover droplets of liquid - called condensates - from the condensation of hot air entering the air conditioner, then evacuate them.
• the condensate lifting device 1 comprises a certain number of essential components, the operation of which is presented to follow.
• a pipe 2 guides the condensation droplets to a tank 12 for receiving the condensates. It is here connected to a cover 121 extending above the tank 12.
• the pipe 2 is preferably mounted vertically, so as to limit the stagnation of the condensates within the pipe, and thus limit the formation of biofilm.
• the internal surface of the condensate recovery tank 12 to have a bottom inclined at an angle a, visible in FIG. 5, making it possible to direct the condensates towards a recovery zone 122 of the tank 12, lower than the droplet drop zone.
• This angle a can for example be between 2 and 15.
• the condensates recovered from the recovery zone 122 of the tank 12 are sucked under the action of a hydraulic pump 13 (for example of the piston pump, centrifugal, peristaltic, membrane type, etc.), then evacuated to a dedicated circuit (not shown).
• a hydraulic pump 13 for example of the piston pump, centrifugal, peristaltic, membrane type, etc.
• An anti-siphoning and / or non-return element 14 is provided at the outlet of the pump 13 and makes it possible to avoid any reflux of the condensates by siphon effect towards the tank 12 for receiving the condensates.
• the starting and stopping of the pump 13 is controlled by a system for detecting the level of condensate inside the tank 12, comprising a capacitive sensor comprising three electrodes El, E2, E3, illustrated in FIG. 4 .
• the electrodes El, E2 and E3 make it possible to measure a capacitance, with respect to a reference electrode ER.
• the capacity Ci measured varies according to the level of liquid inside the tank 12 for receiving the condensates.
• the first electrode El is said to be “first level” and makes it possible to create a capacitor Cl;
• the second electrode E2 is said to be “second level” and makes it possible to create a capacitor C2;
• the third electrode E3 is called “alarm level” and makes it possible to create a capacitor C3.
• the electrodes E1, E2, E3 each have a different length, or height, which corresponds substantially to a specific level of condensate inside the tank 12.
• the “first level” electrode E1 is the longest of the electrodes, so that its lower end corresponds to a minimum level of condensate, that is to say the level at which the pump 13 must be stopped.
• the “second level” electrode E2 has a length such that its lower end corresponds to a maximum authorized level of condensate, that is to say the level at which the pump 13 should be started. Thus, the pump 13 is on when the level of the condensate is located between the electrodes E1 and E2.
• the “alarm level” electrode E3 is the shortest of the electrodes, so that its lower end corresponds to a critical level of condensate in the receiving tank 12, at which an alarm must be generated in order to '' inform the user of an abnormal situation and / or stop the operation of the air conditioner.
• the alarm corresponding to a critical liquid level, is generated by an alarm system 16.
• the number of electrodes can be higher or lower, so as to double the measurements and / or detect intermediate liquid levels.
• the electrodes E1, E2, E3 and ER are intended to be preferably placed outside the tank 12 for receiving the condensates, near one of its side walls, but could also be positioned inside the tank according to certain embodiments of the invention.
• the components of the condensate lifting device 1 are grouped on three supports SI, S2, S3, or sub-assemblies, of the device, described in relation to FIG. 3.
• the first support SI or pump support, carries the condensate lift pump 13. More specifically, the first support SI carries a printed circuit 15 which groups together most of the components, including the pump 13. The first support SI can also be formed by the printed circuit 15 itself.
• control panel 17 comprising for example light-emitting diodes (LEDS) making it possible to indicate the state of the condensate removal device 1 (in operation, defective, requiring emptying, etc.), a USB socket or the like, for accessing a memory of the system 16, which can store a control program which can be updated and / or monitoring data intended for maintenance (number of pump activations, quantity of condensate treated, operating time, delay since the last drain and / or maintenance, alarm situations, etc.) and / or control means 18 (switching on the device, switching to a particular mode, for example of maintenance, test, etc.).
• LEDS light-emitting diodes
• the second support S2 or tank support, carries the tank 12 for receiving the condensates.
• the second support S2 is formed by the tank 12 for receiving the condensates itself, described in more detail below.
• the third support S3, or base support is fixed relative to the air conditioner, one of its faces being able to be secured to a receiving surface (for example a residential wall).
• it can be configured to allow mounting both on the left (Figure 2) and on the right of the air conditioner, to adapt more easily to different mounting conditions.
• two versions of the lifting device can be provided, suitable respectively for mounting on the left and mounting on the right.
• the other face carries an anti-siphoning and / or non-return element 14, designed to cooperate with the outlet 131 of the pump 13, and the electric cable 3 intended to be connected to the printed circuit 15.
• the third support S3 forms a structural element capable of maintaining or participating in the maintenance of the wall-mounted air conditioner 100, as illustrated in FIG. 2. 5.2.4 mobility
• the pump support SI, and the tank support S2 are configured to be movable relative to the third support S3 so that they can be removed from the air conditioner by a technician, so as to easily carry out both preventive maintenance operations and curative maintenance operations.
• the tank support S2 carrying the tank 12 for receiving the condensates is removable in translation and / or in rotation relative to the pump support SI (arrow A).
• the pump support SI carrying the printed circuit 15 provided with the pump 13 (or formed from the printed circuit 15 provided with the pump 13), is removable in translation and / or in rotation by compared to the basic support S3 (arrow B).
• the condensate lifting device 1 implements a “double drawer” system: the first “drawer” corresponds to the tank support S2, removable relative to the pump support SI and the second “drawer” corresponds to the removable pump support SI with respect to the base support S3.
• a mechanism may be provided to trigger the extraction of the tank support S2 (or the tank 12) and / or of the pump support SI relative to the air conditioner 100, and / or their reinsertion into the air conditioner 100, at least partially.
• such a mechanism can implement a spring which makes it possible, in response to a press on an actuator or the plate, or cover, 19, to cause an unlocking and a displacement of the tank support S2 relative to the air conditioner, by applying pressure on the external surface of the support.
• a similar approach can be applied for the SI pump support.
• the cover 19 is provided in particular to conceal an opening of the air conditioner 100 through which the supports SI and S2 move. It can also carry the interface elements.
• the tank 12 for receiving the condensates is removable relative to the first support SI, or pump support.
• the condensate receiving tank 12 can thus be moved relative to the pump support SI and take two distinct positions:
• working position a position called "working position", or functional, in which the tank 12 is housed in the support SI (itself housed in the air conditioner 100) and connected to the pump 13 of the support SI and so as to allow evacuation condensates, and
• emptying position in which the tank 12 is extracted from the support SI (and therefore from the air conditioner 100) and disconnected from the pump, so as to allow a cleaning and / or emptying operation of condensates.
• the pump support SI and the base support S3 form a single assembly, stationary relative to the air conditioner 100, relative to which the tank 12 for receiving the condensates can be moved .
• the tank 12 for receiving the condensates is removable relative to the sub-assembly formed by the pump support SI and the base support S3.
• the tank 12 for receiving the condensates could also be mounted on a tank support S2 (not shown), for example a drawer frame, itself removable with respect to the pump support SI, so that the tank 12 can take the working and emptying positions above.
• a tank support S2 for example a drawer frame, itself removable with respect to the pump support SI, so that the tank 12 can take the working and emptying positions above.
• FIG. 5A represents, according to a particular embodiment, the tank 12 for receiving the condensates extracted from the air conditioner.
• the condensate receiving tank 12 is extracted from the side of the air conditioner (arrow A) in a horizontal translational movement, in the manner of a drawer.
• the tank or its support can make other movements relative to the support SI, and be extracted for example according to a tilting movement (angular rotation of the tank), as illustrated in FIG. 5B, or extracted from below the air conditioner, as illustrated in FIG. 5C (approach allowing the implementation of electrodes are located inside the tank 12 for example).
• the cover 121 of the tank comprises on at least one of its longitudinal sides a guide rail 122 of at least one upper edge of the tank 12 for receiving the condensates.
• the means for guiding and holding the tank or its support can be independent of this cover.
• the tank 12 can thus easily be moved at least partially relative to the cover 121, and out of the air conditioner. It can be provided that the movement of the tank outside the working position automatically interrupts the air conditioner, to limit the production of condensate, and / or moves a shutter valve for the arrival of condensate.
• a user or a maintenance technician can thus easily and quickly drain the tank 12 for receiving the condensates or carry out a check of its state, in particular to ensure the absence of biofilm, by simply sliding the tank 12 for receiving the condensates, with respect to the pump support SI, outside the condensate lifting device 1.
• the outlet 124 of the tank 12 is fitted with the inlet 131 of the pump 13 of condensate removal, so that the tank 12 and the pump 13 are in direct connection with each other and that the pump 13 can remove the condensate.
• one of its side walls extends near the electrodes El, E2, E3 and ER, preferably within 5 mm so as to guarantee the proper functioning of the system. condensate level detection.
• the electrodes E1, E2, E3 and ER extend outside the tank 12 for receiving the condensates, in the vicinity of a wall of the tank, when the latter is in the working position. .
• the electrodes could extend inside the tank, and for example be in contact with the condensates, the tank then being removable in the lengthwise direction of the electrodes so as not to come into contact with the latter. during its movement.
• Other types of sensors, known in themselves, could also be used.
• the pump support SI is removably mounted, or at the very least movable, relative to the third support S3, or base support.
• the pump support SI can thus be moved relative to the base support S3 and take two distinct positions:
• operating position a position called “operating position”, or functional, in which the pump support SI is housed in the base support S3 (and therefore in the air conditioner 100) and electrical and hydraulic connections are established between the pump support SI and the basic support S3, so as to allow the evacuation of the condensates, and
• maintenance position in which the support SI is extracted from the support S3 (and therefore from the air conditioner 100) and the connections electric and hydraulic are interrupted, so as to allow a maintenance operation of the pump or more generally of the components carried by the printed circuit 15.
• the pump support SI takes the form of a substantially rectangular plate while the base support S3, integral with the air conditioner 100, comprises a receiving cutout 11 of shape complementary to the pump support SI.
• the pump support SI can slide (arrow B) inside the base support S3 by means of at least one guide rail (not shown), preferably two guide rails.
• the extraction of the pump support SI from the air conditioner 100 can also be carried out by means of other sliding, tilting or rotating movements.
• the pump support SI and the tank support S2 can form a single removable assembly with respect to the air conditioner 100 or be separated from each other.
• the sub-assembly formed by the pump support SI and the tank support S2 is removable with respect to the base support S3.
• the pump support SI carries the printed circuit 15 (in one embodiment, the support can be formed by the printed circuit itself) which itself carries the components of the condensate removal device 1 which are most likely to have to be repaired and / or replaced by a technician as part of maintenance.
• An advantage of such a structure is that it is quick and easy for the technician to extract the pump support SI from the air conditioner 100, without special tools, by sliding it in the manner of a drawer, and having access to the components in question. No prior electrical or hydraulic disconnection is necessary.
• the technician can repair or replace the pump 13 which is likely to become dirty or break down, without the need to dismantle the air conditioner.
• the output 131 of the pump 13 is connected to an element anti-siphoning or non-return 14, establishing a hydraulic connection between the supports SI and S3, and an electrical connector 151 of the printed circuit 15 is fitted with a complementary connector 32 receiving the end of the electrical cable 3, establishing an electrical connection between the supports SI and S3.
• connection or disconnection is thus made parallel to the axis of movement of the support SI.
• the condensate pump 13, the sensor and the control means are carried by the printed circuit 15, itself mounted on, or forming, the pump support SI.
• This configuration provides a significant advantage over the prior art and in particular makes it possible to significantly simplify the installation of the pump 13.
• the power supply to the air conditioner is done by means of the lifting device, which can directly interrupt this supply, without the intermediary of an alarm signal, in when needed.
• the printed circuit 15 and all the elements it carries are supplied with electricity by a single power cable 3, which also ensures the air conditioner supply.
• two strands 81, 82 are connected to the sector, and consequently supply the lifting device, via means 85 for transforming the necessary current and voltage;
• two strands 83, 84 supply the air conditioner via a relay 86 provided for this purpose on the printed circuit.
• the power supply of the air conditioner is therefore received via the current received from the sector on the strands 81, 82, when the relay 86 is conducting.
• the electronics of the lifting device acts directly on relay 86, which becomes non-conducting.
• the power to the air conditioner is immediately interrupted.
• the installer only has to connect the strands 83, 84 to the air conditioner, without worrying about any strand carrying an alarm signal, and to connect the strands 81, 82 to the sector.
• the control means 86 which receive the signals representative of the condensate levels corresponding to the electrodes E1, E2 and E3, produce an alarm signal 87 which cuts off the relay 86, when the safety level (electrode E3) is reached. They also control the pump, according to the minimum and maximum levels.
• a cover 19 for example made of elastomer, is provided to obscure the extraction opening through which the first support SI and the second support S2 pass during their movement relative to the third support S3.
• the cover 19 can for example be provided to extend over the external lateral surface of the air conditioner 100. It can be removable, its tilting or removal allowing access to the tank support S2 (or of the tank 12 alone), so as to extract it from the air conditioner 100, directly or using a suitable tool, and be able to perform emptying or cleaning the tank.
• the cover 19 can also be adapted to allow access, via its tilting, to a gripping element (not shown) of the pump support SI, so as to extract the latter from the air conditioner 100 and be able to access all of the components in order to carry out maintenance operations.
• the cover 19 can also be carried directly by the second support S2 (or tank 12), or the first support SI, so as to close off the extraction opening when the supports are housed in the air conditioner 100.
• This cover 19 makes it possible to prevent dust from entering the interior of the lifting device 1 and to seal the extraction opening of the air conditioner 100 so as to obtain an external aesthetic surface. It can also carry interface elements (LEDs, buttons, connectors, ).

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
• Cleaning In General (AREA)
• Other Air-Conditioning Systems (AREA)

Applications Claiming Priority (2)

Publications (3)

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Family Applications (1)

Country Status (7)

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Family Cites Families (15)

• 2018
  • 2018-08-03 FR FR1857310A patent/FR3084734B1/fr active Active
• 2019
  • 2019-07-26 CN CN201980044098.1A patent/CN112352131B/zh active Active
  • 2019-07-26 BR BR112020026145-9A patent/BR112020026145A2/pt not_active Application Discontinuation
  • 2019-07-26 KR KR1020207037332A patent/KR20210038435A/ko active IP Right Grant
  • 2019-07-26 EP EP19744719.6A patent/EP3830494B1/de active Active
  • 2019-07-26 WO PCT/EP2019/070230 patent/WO2020025491A1/fr unknown
  • 2019-07-26 US US17/251,030 patent/US11448422B2/en active Active

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