• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to an apparatus for trapping harmful flying insects comprising: - a device for diffusing into the surrounding ambient air a lure whose composition is adapted to attract insects, - a device (12, 13) for sucking a surrounding ambient air flow (Fa) containing the insects attracted by the diffused gas lure; - an insect trap (2) arranged with the suction device (12, 13) so that the insects sucked by said device are retained in said trap, characterized in that the diffusion device comprises: - a hollow chamber (5) having at least one orifice (50) opening to ambient ambient air, - a device (7, 8) for dispensing the lure gas inside the hollow chamber (5), at least a part of the decoy compounds being continuously supplied in said chamber; - a device (6) for generating a flow of air (Fb) in the chamber; guestroom re hollow (5) so as to expel the lure gas from said chamber, through the orifice (50), which air flow (Fb) is generated sequentially.
    公开号:FR3024643A1
    申请号:FR1457683
    申请日:2014-08-07
    公开日:2016-02-12
    发明作者:Simon Lillamand；Pierre Bellagambi
    申请人:Techno Bam；
    IPC主号:
    专利说明:

    [0001] APPARATUS AND METHOD FOR TAKING INTO SPOUSE FLYING INSECTS Description Technical Field of the Invention
    [0002] The subject of the invention is an apparatus and method for trapping harmful flying insects. It concerns the technical field of systems for attracting and capturing harmful flying insects, in particular the nematocera dipterous insects (blood suckers) and the hematophagous diptera (mordeurs). State of the art
    [0003] In areas that are particularly vulnerable to mosquitoes, communities spend large sums of money on preventive mosquito-killing treatments. Various mosquito control techniques currently exist: - the larviciding technique: it involves the use of chemical or biological products that act on immature mosquitoes to slow down their development. This technique is effective in curbing the development of mosquitoes, as their larvae generally occupy a minimum geographical space and are easily localizable. However, it is very expensive. In addition, the frequent use of larvicides can cause a phenomenon of habituation and resistance to the product used. - the insecticide technique: it aims to eliminate adult mosquitoes with synthetic or natural chemical substances (eg the 5 pyrethroids). However, this technique generates considerable costs and involves heavy logistics (aerial or ground spraying). In addition, insecticidal substances can also have harmful effects on the health of humans and animals. Moreover, their repeated use presents a risk of resistance. The repellent technique: it aims to divert the mosquitoes from their potential target by disrupting their identifying abilities with synthetic or natural chemical substances (for example DEET (N, N-diethyl-3-methylbenzamide). this technique does not usually kill mosquitoes, but repels their prey, and few long-term toxicity studies have been conducted on repellents currently available on the market. poorly degraded and tend to spread in the ecosystem.In addition to being harmful to the wildlife of the treated areas by impacting the bottom of the food chain, mosquito control only deals with wild areas without treating urbanized areas where nuisance essential and where the risks of mosquito-borne viral infection proliferation are greatest. s reach and destroy the natural predators of mosquitoes 25, which has the effect of substantially reducing the overall effectiveness of mosquito control campaigns. The protection of residential areas located in areas infected by mosquitoes thus requires the search for ecologically less aggressive means. 3024643 - 3 - There are known devices capable of providing a suitable alternative response, and corresponding to a real need. These devices generally comprise: a device for diffusing into ambient air a gaseous lure whose composition is adapted to attract insects; a suction duct 5 for sucking up an air flow containing the insects attracted by the diffused gas lure; an insect trap arranged with the suction duct so that the insects sucked by said duct are retained in said trap. This type of device is an alternative to mosquito control.
    [0004] More particularly, EP 1,049,373 (AMERICAN BIOPHYSICS CORP) discloses an apparatus which includes an insect trap having an inlet allowing insects to enter and a decoy diffusion system connected to a source of carbon dioxide. (002). This diffusion system is arranged to cool the hot CO2, and to diffuse an insect lure composed of CO2 refreshed near the entrance of the trap, at a temperature above room temperature and below about 45 ° C. In practice, this device has a limited effectiveness which is in particular due to a continuous diffusion of lure.
    [0005] US Patent 2007/0006520 (DURAND) discloses a similar apparatus. The lure is released as a fog. This fog is released sequentially to simulate the breathing of a mammal in its place. Attracted by the lure, the insects are then sucked up and imprisoned.
    [0006] This apparatus is more efficient than that described above. However, it has several disadvantages. Indeed, the generation of fog is particularly complex and difficult to implement. Also, since the suction duct is in the direct extension of the lure ejection duct, part of it is taken up in the intake air flow. This helps to reduce the overall efficiency of the system, since the range of decoy action is limited.
    [0007] The invention aims to remedy this state of affairs. In particular, an object of the invention is to diffuse the lure in the surrounding air in a simpler and more efficient manner, so as to improve the capture of the insects.
    [0008] Another object of the invention to provide an apparatus whose range of action is greater than those of the aforementioned apparatus known from the prior art. Yet another object of the invention to provide a simple design apparatus, inexpensive, easy to use, and easily manipulated.
    [0009] 10 Disclosure of the invention. The solution proposed by the invention is an apparatus for trapping harmful flying insects comprising: - a device for diffusing into surrounding ambient air a lure gas whose composition is adapted to attract insects, - a device for sucking up a surrounding ambient air stream containing the insects attracted by the diffused gas lure; - an insect trap arranged with the suction device so that the insects sucked by said device are retained in said trap. This apparatus is remarkable in that the diffusion device comprises: - a hollow chamber having at least one orifice opening into surrounding ambient air, - a device for dispensing the gas lure inside the hollow chamber, at least a part of the lure compounds being continuously dispensed into said chamber; - a device for generating an air flow in the hollow chamber so as to expel the lure gas from said chamber through the orifice, which flow of air is generated sequentially. In practice, this lure diffusion device is particularly effective and simple to implement. By being exhaled, the airflow is rapidly and efficiently loaded from the concentrated lure into the hollow chamber, which decoy mixes homogeneously in said flow. This results in a more effective diffusion of the lure, and better capture of insects. Other advantageous features of the invention are listed below. Each of these features may be considered alone or in combination with the remarkable features defined above, and may be subject, where appropriate, to divisional patent applications: - The expired gaseous liquefied airflow is preferentially diffused in a direction which is different from that of the surrounding ambient air flow sucked by the suction device. - Advantageously: the suction device comprises a suction duct 15 having an inlet through which the insects are sucked; - The hollow chamber is arranged above this entrance. a cap structure advantageously overcomes the inlet of the suction duct, which structure is adapted to form a physical barrier which prevents the exhaled air flow charged with gaseous lure, from being taken up in the air stream sucked by the suction device. - The hollow chamber and the inlet are preferably located at a distance between 1 m and 3 m from the ground on which said apparatus. The suction pipe preferably sucks in a continuous manner the ambient air flow containing the insects attracted by the diffused gas lure. the flow rate of a surrounding ambient air flow sucked by the suction device is greater than the flow rate of the gas-laden air flow which has expired from the hollow chamber. The gaseous lure is preferably composed of a mixture of carbon dioxide and volatile pheromones. The pheromones may be contained or impregnated in a pheromone support, which support is placed in the air flow generated in the hollow chamber so that said pheromones evaporate as said flow passes. 5 - Preferably, the pheromones are used in the liquid state to impregnate the pheromone support, said support being porous. - A source of carbon dioxide can be adapted to continuously diffuse carbon dioxide in the hollow chamber. The hollow chamber may be formed by, or contain, a refractory material adapted to store heat and return it to the airflow generated in said chamber. Another aspect of the invention relates to a method for trapping nuisance flying insects comprising: - diffusing a gaseous lure in the surrounding ambient air, the composition of which is adapted to attract insects, - sucking up a stream of air surrounding environment containing the insects attracted by the diffused lure; - trapping the sucked insects in a trap.
    [0010] This process is remarkable in that it further comprises the steps of: continuously dispensing all or part of the gaseous lure into a hollow chamber; sequentially generating a flow of air into the hollow chamber to expel the lure gas from said chamber into surrounding ambient air. Description of the figures.
    [0011] Other advantages and features of the invention will appear better on reading the description of a preferred embodiment which will follow, in reference to the accompanying drawings, given as indicative and nonlimiting examples. and in which: - Figure 1 is a schematic sectional view of an apparatus according to the invention; FIG. 2 shows in detail an exemplary embodiment of the hollow chamber in which the lure is dispensed. Preferred embodiments of the invention
    [0012] The apparatus of the invention is intended to trap nematocera dipterous insects (blood suckers) such as mosquitoes and hematophagous Diptera insects (biting their prey) such as Simulies. The principle is to simulate the presence and breathing of a mammal in its place. More generally, the invention aims to trap harmful flying insects. Attracted by a lure, the targeted insects are then sucked up and captured. Thus imprisoned, the insects can be either killed or recovered alive, for example for a subsequent scientific study.
    [0013] In Figure 1, the apparatus 1 comprises a frame structure 10 which can be fixed to the ground or provided with wheels 11 so as to make it mobile and / or movable. The frame 10 may be made of steel (eg stainless steel) or plastic (eg PVC). It can have a parallelepipedal or cylindrical shape. Its height varies for example from 10 cm to 1.50 m. Its length and / or width varies for example from 10 cm to 50 cm. In Fig. 1, the frame 10 is in the form of a hermetically sealed box. A door and / or door mounted movably between an open position and a closed position is advantageously provided to allow access to the interior of said frame. The apparatus 1 is autonomous. It is preferably electrically powered by a battery 4 coupled to one or more solar panels and / or a wind turbine. It can also be recharged simply by connecting it to a mains power supply. This battery 4 is advantageously inserted into the chassis 10. The battery 4 can be coupled to a time delay set so as to deactivate the device 1 during periods when the insects 10 are not very active, for example from midnight to 4 am. The frame 10 is surmounted by a mast at the end of which are disposed the suction device and the decoy diffusion device described further in the description. Advantageously, and to ensure better visibility by the targeted pests, these two devices are located in height. In FIG. 1, the mast is in the form of a rectilinear tube forming a suction duct 12. it can be made of metal (eg stainless steel) or plastic (eg PVC). In the accompanying figures, the upper ends 121 and lower 122 are open. One could however provide to have an upper end 121 blind, at least one suction port is however provided at this end. The lower end 122 of the conduit 12 is attached to the frame 10 by welding, screwing, or a ratcheting solution. This duct 12 may be circular, oval, rectangular, and so on. It can be made in one piece, or in several pieces, for example nested one inside the other. This last solution makes it possible to very simply adjust the length of the conduit 12. Its diameter can be between 5 cm and 20 cm. Its length can vary from 50 cm to 1.50 m.
    [0014] The lower end 122 of the conduit 12 opens into an insect trap 2. This is in the form of a flexible mesh bag, or net. It is attached, for example by means of a drawstring, to the lower end 122.
    [0015] This net 2 is advantageously reusable, and can be recovered and changed by means of the aforementioned door provided in the frame 10. It may be optionally impregnated with a poison to kill the trapped insects. In any case, even in the absence of poison, they will die of dehydration and / or hunger. Net 2 may be associated with a sensor to indicate its filling. The frame 10 is associated with a suction means 13, preferably in the form of a fan. This suction means 13 is adapted to draw ambient air at a flow rate of between 15 m 3 / h and 500 m 3 / h, preferably about 350 m 3 / h. It creates a vacuum in the frame 10 and draws ambient ambient air through the inlet 121 of the duct 12, through the net 2. The ambient air flow aspirated is shown schematically by the arrow referenced F in the accompanying figures. In practice, the fan 13 comprises a motor that draws an electric power signal from the battery 4 to rotate its blades, thereby generating the flow Fa. The fan 13 is coupled to a control member 130 to control its operation. In FIGS. 1 and 2, the inlet 121 of the duct 12 is surmounted by a cap structure made of cone 3. This is made of plastic (eg PVC) or folded sheet (eg stainless steel). It is reported at the input 121, and held in position by means of attachment tabs 30, or by any other similar fastener suitable for the skilled person.
    [0016] This hat structure 3 has several functions: it protects the inlet 121 from the elements, preventing in particular the rainwater from entering the interior of the duct 12; it also allows to channel the air flow Fa sucked, the latter flowing from the bottom of the apparatus 1 to the top of the conduit 12; it also forms a physical barrier which prevents the diffused lure from being taken up in the suction duct 12.
    [0017] More particularly, the structure 3 is adapted so that the stream Fa is sucked at a solid angle α between 20 ° and 60 °. The apparatus 1 also comprises a device for diffusing, into surrounding ambient air, a gaseous lure whose composition is adapted to attract insects. In the appended figures, this diffuser is coaxial with the input 121. This diffusion device comprises a hollow chamber 5. This is located above the suction duct 12, and in particular above the inlet 15 121. More particularly, this hollow chamber 5 is located at the upper end of the hat structure 3. It has orifices 50 opening into surrounding ambient air. These orifices 50 are arranged homogeneously around the chamber 5.
    [0018] Referring more particularly to FIG. 2, the chamber 5 comprises a vessel 51 surmounted by a dome, or cover 52. This latter is preferentially removable so as to allow easy access to the interior of the vessel 51. These two parts 51, 52 are made of plastic (eg PVC) or metal (eg stainless steel).
    [0019] The tank 51 has a cylindrical or parallelepipedal shape and extends vertically towards the top of the apparatus 1. It has a bottom 500 and side walls 501. It is made in the extension of the structure 3, and can be obtained during the stamping or molding of the latter. Its diameter 30 corresponds substantially to that of the conduit 12. Its height varies for example from 2 cm to 20 cm. The lid 52 has a shape complementary to that of the tank 1, 3024643 so as to fit on the side walls 501 thereof. In the accompanying figures, the cover 52 has a conical shape, but could be of any other form suitable to those skilled in the art, for example hemispherical, or cylindrical. The orifices 50 are formed on the cover 52.
    [0020] The tank 51 is associated with a means 6 for generating an air flow in the chamber 5. This means 6 is preferably in the form of a fan. It is adapted to exhale a flow of air at a flow rate of between 10 m 3 / h and 300 m 3 / h, preferably about 150 m 3 / h. It sucks the ambient air 10 from orifices 530 made on the structure 3, under the tank 51. A watertight partition 31 is mounted in the structure 3 so as to separate these orifices 530 from the inlet 121 of the duct 12. This partition 31 prevents the flow of air sucked by the fan 6 is taken up in the air flow Fa sucked by the inlet 121 of the conduit 12. The partition 31, the walls of the structure 3 and the bottom 500 of the tank 51 , delimits an intermediate chamber 53, situated under the tank 51, and in which the orifices 530 are made. This intermediate chamber 53 is a sub-chamber of the hollow chamber 5. The flow of air sucked by the fan 6 therefore passes inside the intermediate chamber 53, through the orifices 530, and is rejected in the chamber 5, from which it emerges through the orifices 50. In the accompanying figures, the air flow thus expired is shown schematically by the arrow referenced Fb. The orifices 50 are oriented around the chamber 5 and oriented so that the flow Fb is exhaled at a solid angle 13 between 20 ° and 60 °. In practice, the fan 6 comprises a motor that draws a sign of electrical power from the battery 4 to rotate its blades thus generating the flux Fb. The fan 6 is coupled to a control member 60 to operate in a sequenced manner. This control member 60 is for example in the form of a printed circuit incorporating a timer.
    [0021] A device is provided for dispensing a lure gas into the hollow chamber 5. The lure gas used is preferably a mixture of CO2 and volatile pheromones. CO2 induces nerve stimulation on insects similar to that produced by the breathing of a warm-blooded mammal. The pheromones used advantageously reproduce the smell of human skin. For example, octenol (C8I-1160), in particular 1-octen-3-ol (CAS # 3391-86-4), and / or lactic acid are used, these pheromones giving good results. . These compounds also avoid attracting non-harmful flying insects such as bees. In FIG. 1, the chassis 10 contains a source 8 of 002. The latter 10 is for example in the form of a refillable cylinder under pressure, whose capacity is for example between 0.5 kg and 50 kg. conduit 80 puts in fluid communication the cylinder 8 and the hollow chamber 5, and more particularly the intermediate chamber 53. The CO2 is actually mixed with the flow of air Fb which is sucked by the fan 6. The duct 80 can go to 15 inside the duct 12 or outside. A flowmeter 81 makes it possible to adjust the flow rate of CO2 injected into the intermediate chamber 53. Very good results are obtained when this flow rate is between 0.15 L / min and 0.5 L / min. According to an advantageous characteristic of the invention, the CO2 is diffused continuously in the hollow chamber 5, and more particularly in the intermediate chamber 53. Even when the fan 6 is inactive, the CO2 diffuses into the tank 51 passing through the blades of said fan. The cylinder 8 may be associated with a sensor to warn an operator when it is empty. The insects are all the more attracted by the CO2 as the temperature of the latter is higher than the surrounding ambient air temperature. It may therefore be advantageous to preheat the CO2 before it is diffused. This heating is induced naturally by the incident rays of the sun which heat the hollow chamber 5. To amplify this natural phenomenon, the hollow chamber 5 can be formed by, or contain, a refractory material (steel plates, lava stone, ...) adapted to store the heat and return it to the airflow Fb, and therefore to 002. In Figure 2, the pheromones are arranged in a removable cartridge 9, which cartridge is placed in the tank 51, above the fan 6. When the cartridge 9 is empty, simply remove the cover 52 to remove it and replace it with another one. The cartridge 9 may be associated with a sensor for notifying an operator when it is empty. In practice, the pheromones are contained or impregnated in a pheromone support which is placed in the air stream generated in the hollow chamber 5 by the ventilator 6. This pheromone support is preferably chosen from (i) a candle ; (ii) a porous support such as balls made of polymer material, for example made of Pebax®, and the tows, made of fabric or wood, exploiting the capillary effect; (iii) a carrier in gel form; and (iv) a wafer of absorbent material more or less spongy. Good results are obtained when the pheromone support is porous and when the pheromones are used in the liquid state. At the passage of this air flow Fb generated by the fan 6, the pheromones 20 evaporate. However, they diffuse continuously in the hollow chamber 5, even in the absence of this airflow Fb. This is mainly due to the fact that the hollow chamber 5 is heated by the incident rays of the sun, the temperature prevailing inside the tank 51 causing continuous evaporation pheromones within said chamber.
    [0022] The operation of the apparatus 1 as well as the capture technique will now be described in more detail. According to the invention, all or part of the gaseous lure is continuously dispensed inside the hollow chamber 5. This gaseous lure is then expelled sequentially in the surrounding ambient air. At least the pheromones, and preferably the 002, are continuously dispensed inside the hollow chamber 5. The latter is thus charged in gaseous lure. The inventors have been able to demonstrate that a pheromone flow rate of between 0.3 ml / day and 3 ml / day contributes to improving the attractive properties of the decoy. When the fan 6 is actuated, the airflow Fb that it generates allows the gas lure to be expelled from the chamber 5, through the orifices 50. This air flow Fb mixes intimately with the gas lure concentrated at 5. The inventors have surprisingly found that the attractive properties of this perfectly homogenized mixture were significantly improved compared to the decoys diffused according to the techniques described in the aforementioned patent applications.
    [0023] In order to obtain a maximum concentration of decoy inside the chamber 5, the orifices 50 may be equipped with shutter elements. These elements are removable, and movably mounted between: - closed position where they close the orifices 50; and an open position where they release said orifices. The mechanism for manipulating these shutter members and synchronizing with the means 6 so that said elements move from the shutter position to the open position when the airflow Fb is generated in the chamber 5. The flow of Air Fb, lured, is sequentially expelled to simulate the expiration of potential prey of harmful flying insects to be removed. The rhythm of these expirations excites the sensors of all the Diptera and thus makes it possible to capture also the hematophagi. The lure is thus expelled into the atmosphere alternately, according to a period which is predetermined. The exhalation phases last between 2 s and 15 s, and are interrupted by a rest phase whose duration is between 2 s and 1 min. Such rates give very good results. The insects, attracted by this stimulus, instinctively seek to reach the zone where the decoy at a maximum concentration, that is to say the hollow chamber 5. In practice, the insects fly at ground level, at a height which does not exceed 5 cm. Arrived near the source of the decoy, they go almost vertically to the chamber 5. In the context of the invention, they go up along the conduit 12. The fan 13 operates continuously so that the conduit 12 10 continuously draws the air flow Fa. When, to reach the chamber 5, the insects attracted by the gaseous decoy diffused into the surrounding ambient air, fly near the inlet 121, they are sucked into the duct 12 then held in trap 2.
    [0024] It is therefore understandable to first pass all the insects into the intake airflow Fa before they reach the source of the decoy. This new capture tactic is therefore different from that described in the aforementioned patent documents, since in the latter, the insects first reach the source of the decoy before being sucked. This prior art tactic does not provide optimum results as some insects can reach the source of the decoy and leave without having been sucked up. In addition, the fact of installing the hollow chamber 5 and the entrance 121 at a height, preferably at a distance from the ground of between 1 m and 3 m, preferably equal to 2 m, makes the trap better visible by the harmful insects. targeted. On the contrary, in the aforementioned patent documents, the suction device and the decoy diffusion device are close to the ground. These traps are therefore little visible by insects, limiting their range of action. This visibility is even smaller than small obstacles, such as hedges, are likely to hide the device. It has been seen previously that the structure 3 forms a physical barrier which prevents the exhaled air flow Fb, charged with gaseous leaching, from being taken up in the intake airflow Fa. To further reduce this phenomenon In this case, it is envisaged to diffuse the flow of air Fb in a direction which is different from that of the intake air flow Fa. The directions of these two flows Fa, Fb can be opposite. They can also be angularly shifted from 20 ° to 90 °. This is why the hollow chamber 5 is disposed above the inlet 121 of the suction duct 12, and the orifices 50 are oriented towards the top of the apparatus 1. The gas lure can thus be spread over a wide area, especially on an action radius of about 50 m to 60 m, corresponding to an area of about 10,000 m 2. In addition, the fact of diffusing the decoy in a direction opposite to the air flow sucked by the duct 12, offers the possibility of having different flow rates of air Fa and Fb. Indeed, to capture more insects, it appears advantageous that the flow of air Fa sucked by the conduit 12 is greater than the flow of air Fb exhaled from the hollow chamber 5. By arranging a plurality of these devices 1 to In the carefully selected locations, the capture technique according to the invention is therefore particularly suitable for forming a protective belt around a small urban community or an open public space, thus making it possible to preserve them from harmful effects caused by harmful insects. targeted. It is also possible to design a smaller and / or more compact apparatus 1, particularly intended for the use of the individual, and for example intended to be placed on the ground, on a table, or hung on a tree. In this case, it is understood that it is not necessary to position the lure diffuser and the suction device at the top of a mast or, at the very least, that this mast can be smaller in size. The arrangement of the various elements and / or means and / or steps of the invention, in the embodiments described above, should not be understood as requiring such an arrangement in all implementations. In any event, it will be understood that various modifications can be made to these elements and / or means and / or steps, without departing from the spirit and scope of the invention. In particular: the frame 10 is not necessarily of parallelepipedal or cylindrical shape. It can be of any other form suitable to the skilled person. - The frame 10 can be mounted on a tripod. It can also be provided with a hooking means of the type for hanging from a tree, or to fix it on a wall bracket or a barrier. - It can be provided to connect the device 1 to a mains socket. - The suction duct 12 is not necessarily straight, but may have one or more curved portions. The suction means 13 may be in the form of a vacuum pump. - The means 6 for generating the air flow Fb may be in the form of a blown mechanically actuated, or in the form of a pump. The cap structure 3 is not necessarily conical, and may for example be cylindrical, in the manner of a shade. - The hollow chamber 5 can have only one orifice 50. - The conduit 80 can lead directly into the tank 51. - The CO2 can be sequentially diffused into the hollow chamber 5, for example by the same frequency as the operation of the ventilator 6. - The pheromones can be used in the form of gas. - An electrical resistance can be provided to heat the interior of the hollow chamber 5 and if necessary, the refractory material it contains.
    权利要求:
    Claims (13)
    [0001]
    REVENDICATIONS1. An apparatus for trapping nuisance flying insects comprising: - a device for diffusing a gaseous decoy surrounding the ambient air, the composition of which is adapted to attract insects, - a device (12, 13) for sucking up a stream of air surrounding ambient (Fa) containing the insects attracted by the diffused lure, - an insect trap (2) arranged with the suction device (12, 13) so that the insects sucked by said device are retained in said trap, characterized in that the diffusion device comprises: - a hollow chamber (5) having at least one orifice (50) opening into surrounding ambient air, - a device (7, 8) for dispensing the gas lure to the the interior of the hollow chamber (5), at least a part of the decoy compounds being dispensed continuously in said chamber, - a device (6) for generating an air flow (Fb) in the hollow chamber (5) in order to expel the lure gas from said chamber, through the orifice (50), which air flow (Fb) is generated sequentially.
    [0002]
    2. Apparatus according to claim 1, wherein the exhaled air flow (Fb) charged with gaseous leach is diffused in a direction which is different from that of the ambient air flow (Fa) sucked by the suction device. (12, 13).
    [0003]
    3. Apparatus according to one of the preceding claims, wherein: - the suction device (12, 13) comprises a suction duct (12) having an inlet (121) by which the insects are sucked, - the chamber hollow (5) is disposed above this inlet (121). 3024643 -19-
    [0004]
    4. Apparatus according to claim 3, wherein a cap structure (3) overcomes the inlet (121) of the suction duct (12), which structure is adapted to form a physical barrier which prevents the flow of air (Fb ) exhale charged gaseous lure, to be taken up in the air flow (Fa) sucked by the suction device (12, 13).
    [0005]
    5. Apparatus according to one of claims 3 or 4, wherein the hollow chamber (5) and the inlet (121) are located at a distance of between 1 m and 3 m from the ground on which said apparatus. 10
    [0006]
    6. Apparatus according to one of the preceding claims, wherein the suction device (12, 13) continuously sucks the ambient air flow (Fa) containing insects attracted by the diffused lure gas. 15
    [0007]
    7. Apparatus according to one of the preceding claims, wherein the flow rate of a surrounding ambient air flow (Fa) sucked by the suction device (12, 13) is greater than the flow rate of the air flow (Fb ) charged in gaseous lure which has expired from the hollow chamber (5). 20
    [0008]
    8. Apparatus according to one of the preceding claims, wherein the lure gas consists of a mixture of carbon dioxide and volatile pheromones.
    [0009]
    An apparatus according to claim 8, wherein the pheromones are contained or impregnated in a pheromone carrier, which carrier is placed in the air stream (Fb) generated in the hollow chamber (5) so that said pheromones evaporate as the flow passes.
    [0010]
    An apparatus according to claim 9, wherein the pheromones are used in the liquid state to impregnate the pheromone carrier, said carrier being porous. 3024643 -20-
    [0011]
    11. Apparatus according to one of claims 8 to 10, wherein a source of carbon dioxide (8) is adapted to continuously diffuse carbon dioxide in the hollow chamber (5). 5
    [0012]
    12.Apparatus according to one of the preceding claims, wherein the hollow chamber (5) is formed by, or contains, a refractory material adapted to store heat and return it to the air flow (Fb) generated in said chamber . 10
    [0013]
    13. A method of trapping harmful flying insects comprising: - diffusing a gaseous lure whose surrounding composition is adapted to attract insects into surrounding ambient air; - aspirating a surrounding air flow (Fa) containing the insects attracted by the diffused gas lure; trapping in a trap (2) the sucked insects, characterized in that said method further comprises the steps of: continuously dispensing all or part of the gaseous lure inside a hollow chamber (5), sequentially generating a flow of air (Fb) in the hollow chamber (5) to expel the lure gas from said chamber in the surrounding ambient air. 25
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    公开号 | 公开日
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    US20170231210A1|2017-08-17|
    EP3177138B1|2020-12-16|
    CA2957356A1|2016-02-11|
    WO2016020627A1|2016-02-11|
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    法律状态:
    2015-08-31| PLFP| Fee payment|Year of fee payment: 2 |
    2016-02-12| EXTE| Extension to a french territory|Extension state: PF |
    2016-02-12| PLSC| Search report ready|Effective date: 20160212 |
    2016-08-31| PLFP| Fee payment|Year of fee payment: 3 |
    2017-08-30| PLFP| Fee payment|Year of fee payment: 4 |
    2018-08-31| PLFP| Fee payment|Year of fee payment: 5 |
    2019-08-30| PLFP| Fee payment|Year of fee payment: 6 |
    2020-08-31| PLFP| Fee payment|Year of fee payment: 7 |
    2021-08-24| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1457683A|FR3024643B1|2014-08-07|2014-08-07|APPARATUS AND METHOD FOR TRAPPING FLYING INSECTS.|FR1457683A| FR3024643B1|2014-08-07|2014-08-07|APPARATUS AND METHOD FOR TRAPPING FLYING INSECTS.|
    US15/502,291| US10271535B2|2014-08-07|2015-08-07|Apparatus and method for trapping flying insect pests|
    CA2957356A| CA2957356A1|2014-08-07|2015-08-07|Device and method for trapping flying insect pests|
    EP15767205.6A| EP3177138B1|2014-08-07|2015-08-07|Device and method for trapping flying insect pests|
    MX2017001715A| MX2017001715A|2014-08-07|2015-08-07|Device and method for trapping flying insect pests.|
    ES15767205T| ES2860906T3|2014-08-07|2015-08-07|Apparatus and method for trapping flying insect pests|
    PCT/FR2015/052180| WO2016020627A1|2014-08-07|2015-08-07|Device and method for trapping flying insect pests|
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