EP2588241A1 - Dispositif de pulverisation d'un brouillard de gouttelettes - Google Patents
Dispositif de pulverisation d'un brouillard de gouttelettesInfo
- Publication number
- EP2588241A1 EP2588241A1 EP11741621.4A EP11741621A EP2588241A1 EP 2588241 A1 EP2588241 A1 EP 2588241A1 EP 11741621 A EP11741621 A EP 11741621A EP 2588241 A1 EP2588241 A1 EP 2588241A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- diffuser
- sensor
- products
- degree
- droplets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003595 mist Substances 0.000 title claims abstract description 17
- 238000005507 spraying Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 19
- 235000013305 food Nutrition 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 230000036571 hydration Effects 0.000 claims description 7
- 238000006703 hydration reaction Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 210000000056 organ Anatomy 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000007789 sealing Methods 0.000 description 4
- 235000013311 vegetables Nutrition 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/001—Devices for lighting, humidifying, heating, ventilation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0405—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/025—Rotational joints
- B05B3/026—Rotational joints the fluid passing axially from one joint element to another
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/14—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with oscillating elements; with intermittent operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
- B05B15/652—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0615—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers spray being produced at the free surface of the liquid or other fluent material in a container and subjected to the vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/0012—Apparatus for achieving spraying before discharge from the apparatus
Definitions
- the present invention relates to a device for spraying a mist of droplets on products, especially food products.
- Such devices are known to improve the appearance and preservation of food products and are therefore widely used, especially for moistening fruits and vegetables or seafood in businesses distributing them.
- the devices of the state of the art generally comprise a plurality of droplet mist diffusers constituted by horizontal and / or vertical stainless steel profiles and each comprising at least one spray orifice on the products, provided, for example, on the side wall of the diffuser.
- the mist of droplets is generated by a generator including an ultrasonic transmitter.
- the droplets once formed are ejected to the diffuser using an air jet.
- the fog diffused through the orifices is therefore a mixture of liquid and air.
- Such devices are often coupled to a display for food products exhibiting these products.
- existing devices may not properly hydrate all products located on the display according to the disposition thereof.
- the invention aims in particular to provide a device for a better distribution of the diffusion of mist droplets, and therefore, a better hydration of the products located on the display.
- the subject of the invention is a device for spraying a mist of droplets comprising at least one liquid diffuser comprising at least one spray orifice, the device being configured so that the diffuser has at least one degree of freedom relative to the rest of the device.
- each diffuser can be adjusted and changed over time depending on the distribution of products on the display.
- a single diffuser can therefore spray the fog on a larger amount of products than in the state of the art, because of the possible displacement of the orifice.
- the number of diffusers of the device can therefore also be revised downward, which reduces the size of the device.
- a device according to the invention because of the movement of the diffusers and the variations in the configuration of the resulting spray-mist mats, increases the aesthetic appearance of the display unit near which it is located and enhances the products on which it sprays. fog.
- a device according to the invention may comprise a mobile diffuser, in particular continuously, or a diffuser whose position according to the degree of freedom is adjustable, that is to say that it can be moved to reach an optimal position but that it remains in the optimal position once it is determined.
- the invention may also include one or more of the features of the list below:
- the device is configured so that the diffuser has a degree of freedom in rotation.
- the device is mobile in rotation, in particular continuously.
- Such a mode of displacement makes it possible to vary the orientation of the sprayed liquid without requiring a large energy for the displacement of the diffuser. It is also less dangerous for the users because the position of the diffuser relative to the external elements does not vary.
- the device is simpler to design because we can arrange the other elements of the device as desired around the diffuser,
- the diffuser comprises a channel, arranged for example essentially vertically or horizontally.
- the channel may in particular be constituted by a rigid channel. It can be made of a food grade material, such as stainless steel.
- the orifice (s) spray (s) is (are) preferably disposed (s) on a side wall of the channel.
- the device comprises a securing member of the channel with another element of the device allowing the channel a degree of freedom relative to the element, if necessary, and in particular in the horizontal version, the securing member comprising in particular an oblong slot in which can insert a pawn of smaller dimensions arranged on the channel. In this case, the rotation of the diffuser is allowed according to a degree of freedom while the movement of the diffuser is blocked in all other degrees.
- the securing member may also form a sealing member, at least one element of the diffuser is inserted into a fixed support piece, means for eliminating friction, for example rolling means, being arranged between the diffuser and the support piece.
- Such means could also include a lubricant, the device comprises drive means of the diffuser.
- the drive means are in particular means for driving the device continuously or means allowing precise and punctual adjustment of the position of the diffuser,
- the drive means may comprise a motor, a wheel, such as a toothed or friction wheel, disposed at the output of the motor, and a ring gear, such as a toothed or friction ring, mounted on the channel so as to at least partially surround it, and configured to cooperate with the wheel.
- the device may also include means for locating the angular position of the diffuser, so that one can permanently know its position,
- the locating means may for example comprise a coding wheel and a sensor, for example an optical sensor.
- the position of the wheel relative to the orifices is calibrated to initialize the system. Initial manual calibration is possible, but automatic recalibration is very reliable.
- the position of the pad described above can be used for this purpose.
- the device comprises a generator of a mist of droplets, arranged upstream of the diffuser, the generator comprising an ultrasonic transmitter,
- the generator may also comprise a focussing nozzle of the emitted ultrasonic waves,
- the device comprises means for controlling the driving means, able to vary the speed of the drive means as a function of external parameters, for example measured by a sensor able to determine the degree of hydration of the products such as a humidity sensor, a weight sensor, an infrared sensor or an optical sensor.
- a sensor able to determine the degree of hydration of the products
- the device can adapt to the type of products exposed and / or the configuration of the exposure surface, for example projecting the fog longer on products requiring a higher moisture content.
- the speed may also vary depending on user input data and / or other measurements provided by other sensors,
- the drive means comprise for example a DC motor
- the control means comprising means for adjusting the voltage of an incoming signal in the engine.
- a simple way to adjust the voltage of the incoming signal and thus control the rotational speed of a DC electric motor, for example is to control it with pulses in all or nothing with a voltage coding in PWM mode (pulse width variation).
- the device can also include control means adapted to vary the flow rate of the sprayed liquid and / or the ventilation speed according to external parameters, for example measured by a sensor capable of determining the degree of hydration of the products such as a humidity sensor, a weight sensor, an infrared sensor or an optical sensor. This makes it possible to further optimize the humidification of the different products and the water consumption, according to the needs respective products,
- the invention also relates to a display of food products comprising an exposure surface of the products, and at least one device according to the invention, the diffuser being arranged to spray the liquid towards the exposure surface.
- the invention also relates to a method of spraying a mist of droplets on products such as food products, using a device according to the invention, wherein, while a diffuser sprays the fog on the products, is involved, in particular in rotation, a displacement of the diffuser, so as to vary the speed of displacement thereof, in particular as a function of external parameters, for example measured by a sensor capable of determining the degree of product hydration such as a humidity sensor, a weight sensor, an infrared sensor or an optical sensor.
- a sensor capable of determining the degree of product hydration such as a humidity sensor, a weight sensor, an infrared sensor or an optical sensor.
- FIG. 1 represents a perspective view of a display of products according to one particular embodiment of the invention
- FIG. 2 is a perspective view of a detail of the display unit of FIG. 1;
- FIG. 3 is a view of a detail of a display unit according to another embodiment of the invention.
- FIG. 1 a product display 10 comprising in the lower part a plurality of substantially vertical profiles 12 for supporting a plate forming an exposure surface of the products 16.
- the plate is flat and inclined so that it is lower at the front end of the display. It is bordered by flanges 17 delimiting the exposure surface 16 and preventing products from falling off the display.
- the display unit 10 also comprises a device 18 for spraying mist of droplets onto the products exposed on the surface 16, integral with the display, in order to promote the preservation of these food products.
- This device 18 comprises a generator 20 of liquid droplets, in particular water, integral with the display and disposed therebelow. This generator 20 can be fixed under the display with the aid of removable fixing means.
- the device also includes diffusers 22 for spraying the generated droplets to the exposure surface 16.
- Each diffuser 22 comprises a rigid tube of food grade material, for example stainless steel, located vertically at the rear end of the exposure surface 16, and forming a channel for the passage of the liquid. It also includes projection orifices 24. These orifices 24 are distributed on the side wall of the diffuser so as to be able to diffuse the droplets onto the exposure surface 16. The projection orifices 24 are situated for example above the surface. display of the display.
- the droplets generated in the generator are guided, by means of a jet of air under light pressure, in pipes 28 located beneath the exposure surface and bringing the fog to the diffusers 22.
- the generator 20 comprises a tank intended to receive the liquid to be diffused, an ultrasonic transmitter, housed in the tank, intended to emit ultrasound in the liquid of the vessel, and a focused ultrasonic focusing nozzle, housed in the tank, for focusing the ultrasound to a point of the liquid.
- the ultrasonic transmitter is preferably a piezoelectric element, for example a piezoelectric ceramic.
- the generator is conventionally supplied with liquid using a water supply, connected to an external liquid dispenser, for example a water tap of the sector possibly equipped with a water filtration system .
- Each diffuser 22 is movable relative to the remainder of the display, in particular to the exposure surface 16.
- the device, in particular the diffuser is shown horizontally in FIG. 2 for the sake of clarity. However, when it is arranged on the display of Figure 1, such a device is of course vertical.
- Each diffuser 22 is located above the exposure surface and is connected to a pipe also vertical and placed substantially below the exposure surface.
- the diffuser and the duct are formed by ducts of the same diameter connected by means of a securing sleeve 32 which engages the respective ends of the pipe and the diffuser 22.
- Such a sleeve also forms a section of annular section diameter slightly greater than those of the ducts, chosen so that the pipe and the diffuser can be mounted almost without play in the sleeve.
- It is for example made of a metallic material, such as stainless steel, and comprises at each from its end a seal so as to seal between the duct and the diffuser 22.
- the seals are lip seals, V-profile. The ends of the lips are preferably provided with a large thickness, so to withstand the mechanical forces and resist the wear due to the rotation of the diffuser.
- the seal located at the end of the sleeve 32 connected to the diffuser 22 is contained in a metal ring of square section, fixed to the sleeve by means of one or more elements such as screws 38.
- the sleeve comprises an oblong slot 34.
- the diffuser 22 comprises a pin 36 located on its outer wall near its end and intended to cooperate with the oblong slot.
- This pin 36 is attached, for example welded or force-fitted, on the diffuser once it has been put into place in the sleeve 32.
- the diffuser comprises a degree of freedom relative to the sleeve 32 and can be movable by rotation along an axis corresponding to its longitudinal direction relative to the sleeve 32.
- the transverse dimensions of the light are however substantially equal to that of the pin 36, so that the diffuser is blocked in all other degrees of freedom.
- the sleeve 32 is however secured to the pipe so as to remain stationary relative thereto.
- the device 18 also comprises means for driving the displacement of the diffuser 22.
- These drive means comprise a ring gear 40 threaded onto the diffuser 22 and fastened to it by screwing with the aid of elements 42.
- a motor and a gear wheel 44 disposed at the output of the motor to cooperate with the crown, to drive it in rotation in a conventional manner.
- the motor and the toothed wheel are covered by a protective casing 46 to avoid injury to a consumer or an operator, the casing being connected to the display unit by an element of support 48 essentially parallel to the diffuser 22.
- the force required for rotation remains very low and the engine power is also very low (a few watts).
- the rotation torque is determined so that it is low so that any operating incident comes to block the rotation. This avoids an accident. Automatic detection of abnormal torque can be provided to stop the device in case of operation unnatural.
- the angular position of the spraying orifices 24 of the diffuser 22 may vary, in particular in a continuous manner, so that the mist of droplets can be oriented in different ways and can moisten different products as a function of time, without the intervention of an external operator.
- the device 18 also comprises motor supply means (not shown) generally comprising a conventional plug for connecting the motor to the mains electricity network.
- the motor supply means may also comprise a battery, such as a battery, possibly rechargeable.
- the motor can be configured to change the direction of rotation of the wheel 44, and therefore of the diffuser 22, when it encounters a resistance, and, therefore, that a torque is applied to the spindle. motor output.
- the motor acts on the wheel so as to rotate in the opposite direction of its direction of pivoting at the moment when the abuitment occurs.
- the movement of the diffuser is limited to a predetermined angular range, less than 360 ° and corresponding to the angular range of the light 34. It is therefore likely to spray the fog only in places where this is useful. For example, it never takes an angular position in which the orifices do not spray the liquid on the exposure surface.
- the pawn may also have an anti-tear function.
- the conduit may be subject to movements, or shocks transmitted by the display and could dislodge the sleeve, which avoids the presence of the pin, especially in the case where the diffuser is horizontal.
- the pin can also be used as a reference for a specific angular position, in the case where angular registration means are used to control the speed variation of the motor.
- the pin is in fact always placed at a known angle with respect to the diffusion orifices.
- the motor can also be configured to vary the rotational speed of the wheel 44, and therefore the diffuser.
- the device 18 furthermore comprises motor control means making it possible to vary the speed of rotation of the wheel 44 according to parameters outside the device.
- the fan speed and the flow rate of the liquid sprayed from the generator can also be adapted by the generator according to the external parameters, when this is ordered by the control means.
- Such parameters may be parameters manually programmed by an operator, using an external input device electrically connected to the motor. This can for example program engine rotational speeds associated with angular positions thereof.
- the user can also define areas on the display surface in which different types of vegetables are stored and indicate which water needs each type of vegetable.
- the engine comprises an analysis unit, analyzing the data indicated by the user and associating the defined area with an angular position of the diffuser and varying the speed of the diffuser according to these elements.
- the operator can program the motor so that the speed of rotation of the wheel is higher when the angular position of the diffuser is such that a spray orifice sprays droplets towards the middle of the exposure surface only when its angular position is such that the orifice sprays droplets towards the front of the surface.
- Such external parameters may also be parameters measured by different sensors, for example by humidity sensors located at different locations on the exposure surface. These sensors are generally electrically connected to the engine, in particular to the analysis unit thereof. This unit makes it possible to deduce from the sensor measurements which areas of the exposure surface should be the most humidified and therefore what are the angular positions in which the motor must slow down or accelerate the wheel 44.
- the means for varying the speed of the motor can also be controlled at the same time using parameters entered by the user and measured parameters.
- Such a method comprises a first step of generating droplets to Using the generator 20. Then the droplets generated continuously by the generator are sent by means of an air jet, in the pipes 28, and the diffusers 22 so as to be sprayed on the products through the orifices. 24.
- the engine is also started, so as to cause the diffuser to rotate continuously, the latter changing direction each time the pin 36 is at one end of the light.
- the pin also serves as an angular wedge to place the diffuser in a correct position and initialize the operation of the device
- the humidity is measured using sensors placed on the exposure surface and / or around it.
- the data coming from the sensors is transmitted to the engine which analyzes them and then adapts the speed of rotation of the wheel according to the parameters measured by the sensors.
- This process is then carried out during the whole time of diffusion of the liquid on the products, that is to say that the data coming from the sensors are again analyzed after a predetermined period of time, for example a minute, and that the speed of rotation of the toothed wheel at a given angular position may be affected.
- a device 50 according to another embodiment of the invention will now be described.
- Such a device comprises a diffuser 52 composed of two coaxial tubular conduits 54A, 54B, made of a food grade material such as stainless steel and a sealing member 56, made for example of plastic.
- the sealing member 56 forms a sleeve fitted on the two ducts 54A, 54B so as to ensure continuity between these ducts.
- An O-ring 58 of an elastomeric material is mounted in the sleeve 56, on the inner face thereof, at each of its longitudinal ends, so as to ensure the sealing of the diffuser.
- a support piece 60 also tubular, covers the sleeve 56. This piece is connected to a fixed element, for example the display or a wall of a room in which the device is installed.
- the support piece 60 is also made of stainless steel.
- the support piece 60 comprises two circular grooves 62 formed on its inner face and in which balls 64 are arranged, making it possible to reduce the friction between the part 60 and the sleeve 56.
- the sleeve 56 is rotatable about its axis, which coincides with that of the ducts
- the ducts comprise spray orifices 66 of fog on the display products.
- the position of these orifices 66 can be changed over time depending on the distribution and type of products on the display. This adjustment is done manually for example by the department manager.
- the shape of the display is not limited to what has been described.
- the exposure surface could be horizontal or the display could be intended to rest against a wall instead of forming an island.
- the generator could be placed elsewhere than under the display.
- the generator is also not necessarily an ultrasonic generator, as described above.
- the diffuser may also be arranged substantially horizontally and / or be made of a material other than stainless steel. It can be of a different form than a straight form. It can for example be bent at one end. It can also be considered flexible. It does not necessarily form a channel but can be for example a nozzle arranged at the end of a channel.
- the diffuser may also include orifices that are not located on the side wall thereof. It may for example comprise an orifice located at one of its ends, especially when it is vertical. It may also include a number of orifices different from what has been described or orifices located on the same radial section of the diffuser.
- the diffuser may also include more than one degree of freedom. It is also not necessarily mobile in rotation. It can indeed be also mobile in translation.
- the diffuser may also, if it is rotatable, rotate only in a single direction relative to the rest of the device, the device comprising in this case no stopper impeding the movement of the diffuser.
- the device according to the first embodiment does not necessarily include drive means, even if such means are really advantageous.
- the training means can also be different from what has been described. They may for example comprise a wheel and a friction ring, or a jack adapted to move the diffuser in translation.
- a vertical light can be cut in the wall of the sleeve, in which is placed the pin. This allows a degree of freedom to adjust the position of the diffuser vertically.
- the device according to the second embodiment may comprise drive means such as those of the first embodiment or other means.
- the drive means are not necessarily configured to be able to vary the speed of the diffuser. If they are, this speed may vary according to other measures than those described or as a function of time, using a program previously developed.
- the measurement analysis unit is not necessarily included in the device and may be external to it. It can in this case for example be controlled via internet remotely. It is the same for the sensors.
- the device is not necessarily coupled to a display of products and can be used in other places than stores distributing fresh products, such as in a cheese cellar or a wine cellar.
- a closed-loop adjustment with a sensor instead of a closed-loop adjustment with a sensor, it can for example provide a prior adjustment at the time of installation, or a periodic visual adjustment.
Landscapes
- Special Spraying Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1002742A FR2962053B1 (fr) | 2010-06-30 | 2010-06-30 | Dispositif de pulverisation d'un brouillard de gouttelettes |
PCT/FR2011/051537 WO2012001319A1 (fr) | 2010-06-30 | 2011-06-30 | Dispositif de pulverisation d'un brouillard de gouttelettes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2588241A1 true EP2588241A1 (fr) | 2013-05-08 |
EP2588241B1 EP2588241B1 (fr) | 2016-11-16 |
Family
ID=42987688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11741621.4A Active EP2588241B1 (fr) | 2010-06-30 | 2011-06-30 | Dispositif de pulverisation d'un brouillard de gouttelettes |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2588241B1 (fr) |
ES (1) | ES2616007T3 (fr) |
FR (1) | FR2962053B1 (fr) |
WO (1) | WO2012001319A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11957079B2 (en) | 2018-10-17 | 2024-04-16 | Metalcraft Of Mayville, Inc. | Stand-on blower |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2996025B1 (fr) * | 2012-09-24 | 2014-10-10 | Areco Finances Et Technologie Arfitec | Procede pour l'affichage d'informations relatives a des produits exposes |
FR3095136B1 (fr) | 2019-04-16 | 2022-05-27 | Areco Finances Et Tech Arfitec | Tête de diffusion de brouillard |
Family Cites Families (13)
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US2552754A (en) * | 1948-05-06 | 1951-05-15 | F E Myers And Bro Co | Sprayer attachment |
US3773266A (en) * | 1971-11-30 | 1973-11-20 | Systems Enterprises Inc | Washing machine including oscillatory spray system |
DE7821972U1 (de) * | 1978-07-22 | 1978-11-16 | Woma Apparatebau Wolfgang Maasberg & Co Gmbh, 4100 Duisburg | Drehgelenk |
US4721246A (en) * | 1984-12-18 | 1988-01-26 | Microspray International Inc. | Vaporization system |
EP0203830B1 (fr) * | 1985-05-31 | 1990-01-31 | Unimation Inc. | Disperseur à tuyère tournante |
JPH0339842A (ja) * | 1989-07-04 | 1991-02-20 | Matsushita Seiko Co Ltd | 加湿機 |
US4981268A (en) * | 1989-12-28 | 1991-01-01 | Hour Tyh Yuan | Automatic washing and sterilizing device for a stable |
CN2155517Y (zh) * | 1993-01-20 | 1994-02-09 | 殷国祥 | 旋转喷雾负离子增湿器 |
US6655613B1 (en) * | 2000-06-21 | 2003-12-02 | Arthur Brown, Inc | Fire-fighting water turret |
US7137578B2 (en) * | 2003-12-26 | 2006-11-21 | Task Force Tips, Inc. | Segmented monitor |
CN2779287Y (zh) * | 2005-04-01 | 2006-05-10 | 北京亚都科技股份有限公司 | 用于加湿器的旋转喷嘴机构 |
FR2899135B1 (fr) * | 2006-03-28 | 2008-06-20 | Areco Finances Et Technologie | Procede optimise de pulverisation de liquide et dispositif de pulverisation de liquide pour la mise en oeuvre de ce procede |
FR2921551B1 (fr) * | 2007-10-02 | 2012-01-13 | Areco Finances Et Technologie Arfitec | Etalage d'exposition de produits alimentaires, notamment pour surface de vente |
-
2010
- 2010-06-30 FR FR1002742A patent/FR2962053B1/fr active Active
-
2011
- 2011-06-30 WO PCT/FR2011/051537 patent/WO2012001319A1/fr active Application Filing
- 2011-06-30 ES ES11741621.4T patent/ES2616007T3/es active Active
- 2011-06-30 EP EP11741621.4A patent/EP2588241B1/fr active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11957079B2 (en) | 2018-10-17 | 2024-04-16 | Metalcraft Of Mayville, Inc. | Stand-on blower |
Also Published As
Publication number | Publication date |
---|---|
ES2616007T3 (es) | 2017-06-09 |
FR2962053A1 (fr) | 2012-01-06 |
FR2962053B1 (fr) | 2014-06-27 |
EP2588241B1 (fr) | 2016-11-16 |
WO2012001319A1 (fr) | 2012-01-05 |
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