Classifications

• • 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
  • B05B7/02—Spray pistols; Apparatus for discharge
  • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
  • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
  • B05B7/0433—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of gas surrounded by an external conduit of liquid upstream the mixing chamber
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
  • B08B3/02—Cleaning by the force of jets or sprays
  • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
  • B05B1/005—Nozzles or other outlets specially adapted for discharging one or more gases
• • 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
  • B05B7/02—Spray pistols; Apparatus for discharge
  • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
  • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
  • B05B7/0483—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with gas and liquid jets intersecting in the mixing chamber
• • 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
  • B05B7/02—Spray pistols; Apparatus for discharge
  • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
  • B05B7/1209—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages the controlling means for each liquid or other fluent material being manual and interdependent
  • B05B7/1245—A gas valve being opened before a liquid valve
• • 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
  • B05B7/14—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 designed for spraying particulate materials
  • B05B7/1481—Spray pistols or apparatus for discharging particulate material
  • B05B7/1486—Spray pistols or apparatus for discharging particulate material for spraying particulate material in dry state
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
  • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B08—CLEANING
  • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
  • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
  • B08B3/02—Cleaning by the force of jets or sprays
  • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
  • B08B3/028—Spray guns

Definitions

• the present invention relates to the technical field of cleaning a surface in the general sense with the aid of a sprayed liquid.
• the object of the invention finds many applications for cleaning and / or stripping surfaces of all types such as for example walls, walls, floors, posts, vehicles and / or parts of vehicles, equipment for sports (trolley wheels, clubs or golf shoes for example), cycles, hooves of horses, etc. .
• a cleaning installation using a sprayed liquid there are many embodiments of a cleaning installation using a sprayed liquid.
• a cleaning installation comprising a pump for pressurizing a liquid such as water, connected to a cleaning pipe provided with a spray nozzle of a jet of water.
• a cleaning pipe provided with a spray nozzle of a jet of water.
• Such an installation makes it possible to clean different surfaces using the jet sprayed on this surface.
• a major drawback of such a plant relates to the flow of water necessary for cleaning or pickling a surface.
• there is a need to treat the water loaded with residues from the cleaning operation Given the large amount of water needed to ensure proper cleaning of a surface, it follows a major difficulty to treat the effluent resulting from such a cleaning operation.
• the present invention aims to overcome the drawbacks of the state of the art by proposing a new cleaning gun with the help of a sprayed liquid designed to limit the consumption of the sprayed liquid, by not soaking the cleaned surface and the environment of this surface while maintaining a satisfactory quality for cleaning and / or stripping surfaces.
• the cleaning gun according to the invention comprises:
• a body from which extends a butt provided with at least one inlet for a liquid under pressure and an inlet for pressurized air, the body being provided with an outlet nozzle connected to the inlet of liquid and air respectively by liquid and air circuits, via respectively an outlet duct for air communicating with the outlet nozzle and a supply chamber in the middle of which opens the outlet duct of the air,
• a device for splitting the liquid into droplets by projecting the liquid flowing in the liquid circuit, communicating with the droplet supply chamber at the outlet nozzle,
• a trigger controlling the selection mechanism and able to occupy a first closed position for the outlet nozzle, a second position for which the air exits only through the outlet nozzle or a third position for which the air loaded with droplets come out through its outlet nozzle.
• the gun according to the invention further comprises one and / or the other of the following additional characteristics:
• the selection mechanism having a spool slidably mounted within the body and provided with a shutter for the air circuit, the slide being moved by ia trigger according to an opening direction, between its first, second and third positions so that the shutter occupies a closed position of the air circuit for the first position of the trigger and an open position of the air circuit for the second and third positions of the trigger, a slider slidably mounted in the body and provided with a shutter for the liquid circuit, the slider being displaced by the trigger in the direction of opening between its second and third positions so that the shutter of the slider occupies positions closing and opening the liquid circuit for respectively the second and third positions of the trigger,
• the slider being provided at its free end, a seat for the air shutter, the slider internally defining an outlet duct for air communicating with the outlet nozzle and the seat for the shutter of the circuit 'air,
• the slide being provided at its opposite end with this forming the seat for the air shutter, with a shutter for the liquid circuit cooperating with a seat delimiting the outlet nozzle, for its first and second positions of the trigger;
• the slider being mounted at least from its end provided with the liquid shutter, inside a bore defining with the slider, a liquid supply chamber connected to the liquid circuit and provided f ' opposite, a wall on which the liquid is projected, the wall and the end of the slide placed in the open position defining a droplet inlet chamber to the outlet nozzle and in the middle of which leads the outlet conduit air,
• the drawer provided with the shutter for the air circuit is slidably mounted inside a housing of the independent body of the housing for the slider slidably mounted in the body and provided with a shutter for the liquid circuit,
• Trigger is mounted articulated on the body to act on the drawer provided with the shutter for the air circuit, the trigger being provided with a finger elastically rapped and pivotally mounted on the trigger to act when the trigger is in its second position, on the slider slidably mounted in the body and provided with the shutter for the liquid circuit,
• the stick is provided with a second inlet for a liquid under pressure, arranged parallel to the first inlet and connected to the liquid line by a connecting pipe, a selective rotating shutter being interposed in the connecting pipe and in a part of the liquid circuit for selectively connecting the liquid circuit to either the first input or the second input,
• the body is equipped with an outlet nozzle carried by an extension mounted on the body.
• Another object of the installation relates to a cleaning installation comprising:
• the liquid supply circuit comprises a flow limiter with several predetermined values chosen using a selector.
• Figure 1 is a side view of an embodiment of a cleaning gun according to the invention.
• Figure 2 is a sectional view taken substantially along lines A-A of FIG. 1 and showing the gun in the closed position.
• Figure 3 is a section similar to FIg. 2 and showing the gun in air blowing mode only.
• Figure 4 is a sectional view similar to FIG. Fig. 5 is a side view of another exemplary embodiment of a cleaning gun according to the invention.
• Figure 6 is a side view of the transparency of the cleaning gun shown in FIG. S.
• Figure 7 is a sectional view of the cleaning gun illustrated in FIG. 5.
• Figure 8 is a view illustrating another alternative embodiment of a gun according to Fîg. 5 and provided with an extension.
• a cleaning gun 1 comprising a body 2 of flat and elongate shape extending along a longitudinal axis X and from which extends a stick 3, the body 2 is provided with an inlet 5 for a pressurized liquid and an inlet 6 of the air under pressure.
• the body 2 also has an outlet nozzle 7 arranged at the anterior part or nose 2i of the body 2 and communicating with the liquid and air inlets 5 6 respectively by means of liquid circuits 8 and air 9 arranged in the body 2.
• the gun 1 also comprises a mechanism 12 for selecting the operating mode of the gun, interposed on the air circuits 9 and 8 of the liquid 8.
• This mechanism 12 allows to select three modes of operation, namely the closure of the outlet nozzle 7, the exit only of the air and the exit of an air-liquid mixture, by the outlet nozzle 7,
• the gun 1 comprises a trigger 14 controlling the selection mechanism 12 and adapted to occupy a first closed position of the outlet nozzle 7 (Fig. 2), a second position for which air exits only through its outlet nozzle 7 (Fig. 3) and a third position for which an air-liquid mixture exits the outlet nozzle 7 (Fig. 4).
• the selection mechanism 12 comprises a slide 17 slidably mounted inside a well 18 arranged in the body 2 along the longitudinal axis X.
• the slide 17 is provided with a shutter 19 for the circuit d air 6 and is moved in translation by the trigger 14.
• the body 2 has, near the butt 3, a passage window 22 for the end 1 of the trigger 14 acting on the front end of the slide 17 whose rear end is urged by a spring 24 interposed between the slide 17 and the bottom of the well 18.
• the slide 17 is biased by the spring 24, so as to place the slide 17, in the absence of force applied to the trigger 14, in the closed position of the air circuit 9.
• the drawer 17 is provided with seals 25 cooperating with the well 18.
• the slide 17 is thus moved by the trigger 14, in an opening direction represented by the arrow Fi, so that the shutter 19 occupies from its closed position illustrated in FIG. 2, an open position illustrated in FIG. 3. It should be noted that in the closed position of the shutter 19, the trigger 14 occupies its first position while in the open position of the shutter 19 illustrated in FIG. 3 and 4, the trigger 14 occupies either its second position or its third position.
• the trigger 14 continuously urges the slide 17 when it passes successively from its first position, to the second position and the third position, by a slight pivoting of the trigger 14.
• the third position of the trigger 14 is defined by the abutment of its trigger 14 against the butt 3.
• the spring 24 continuously urges the drawer 17 in a direction of closure represented by the arrow F 2 , which in the absence of application of a trigger force 14, makes it possible to cause the trigger 14 to occupy its first position defined by abutment of the end 14 of the trigger 14 with the well 18.
• the air shutter 19 is intended, in the closed position, to cooperate with a seat 27 arranged at the end of a slider 30 whose operation will be described more precisely in the following description.
• the slider 30 delimits internally an outlet duct 31 for the air communicating with the outlet nozzle 7 and the seat 27.
• the air shutter 19 is mounted from the end of the slide 17 on which the spring 24 acts.
• the slide 17 has a tubular shape with an internal bore 32 in which the slide is mounted. 30 and the shutter 19.
• the shutter 19 extends cantilevered at the end of a douile 33 fixed on the drawer 17 and in which are arranged radially passages 34 for air ensuring communication between the bore inner 32 and a chamber 36 located between ie downhole If drawer 18 and 17.
• This chamber 36 wherein the spring 24 is mounted communicates with the air inlet 6 to i'a 'tde a channel 6 * arranged in the body 2.
• the air in the open position of the air shutter 19, the air successively passes from the inlet 6 to the outlet passage 7, through the channel 6 *, the chamber 36, I Inside the casing 33, the passages 34, the internal bore 32 of the drawer, the seat 27 and the outlet duct 31 arranged inside the throat 30.
• the selection mechanism 12 also comprises a shutter 40 for the liquid circuit 8, controlled in displacement by the trigger 14 so that when the trigger 14 occupies its first and second positions, the liquid shutter 40 closes the liquid circuit 8 When the trigger 14 is in its third position, the liquid shutter 40 opens the liquid circuit 8.
• the liquid shutter 40 is carried by the end of the opposite neck piece 30 provided with the seat 27 for the air shutter 19 (Fig. 4).
• the end of the throat 30 is provided with a seal 42 intended to cooperate with a front wall 43 of the body 2 delimiting the outlet nozzle 7 and forming the seat for the shutter 40.
• the throat 30 is slidably mounted inside the body 2 being elastically biased by a return spring 44, tending to return the liquid shutter 40 in the closed position.
• the throat 30 is mounted to extend inside and away from a bore 46 formed in the body 2 and delimiting a chamber 47 for supplying the liquid to the outlet port 7.
• the thimble 30 cooperates with a seal 48 carried by a ring 49 mounted integral with the body 2 and on which rests the return spring 44.
• a seal 50 is interposed between the throat 30 and the drawer 17.
• the shutter 40 makes it possible to open and close the liquid circuit 8, in the immediate vicinity of the outlet orifice 7. The liquid is thus brought to the outlet orifice 7, from the inlet 5 of the liquid, using a channel 8i arranged in the body 2 and opening into the feed chamber 47.
• the throat 30 occupies a closed position of the outlet port 7 between the first and second positions of the trigger 14.
• the trigger 14 of its second to its third position ie the neck 30 is moved to allow the liquid shutter 40 to come to occupy its open position for the liquid circuit 8.
• the displacement of the tweezers 30 is ensured by the movement of the slide 17 on which trigger 14.
• the throat 30 is externally provided with a shoulder 51 on which comes into contact a driving abutment 53 carried by the drawer 17,
• the tweezers 30 and the drawer 17 are positioned so that between the first and the second position the trigger 14 f the movement of the drawer 17 does not cause the movement of the tweezers so that the shutter 19 deviates from its seat 27. (Fig.2 and Fig.3).
• the stop 53 of the spool 17 comes into contact with the wrap 51 of the spool 30 (FIG. 3).
• the movement of the trigger 14 from its second position to its third position leads to the displacement of the spool 17 in the opening direction Fi, which also causes the spool 30 to translate in the direction of opening F x via the stop 53 cooperating with the réelleauiement 51 of the neck.
• the movement of the tweezers 30 in the opening direction Fj opens the liquid shutter 40.
• the simultaneous movement of the tweezers 30 and the drawer 17 keeps the shutter 19 in the open position.
• the release of the trigger 14 causes the return spring 44 to move the tweezers 30 in the closing direction F 2 until the liquid shutter 40 occupies the closed position of the liquid circuit 9.
• the passage of the third position in the second position of the trigger 14 is provided by the spring 44 which acts on the tweezers 30 with a greater force than that of the spring 24 so that the throat 30 drives in its race the slide 17.
• the air shutter 19 remains in the open position (Fig. 3). Holding the trigger 14 in this second position only allows the air to exit through the nozzle 7.
• the further release of the trigger 14 drives the return spring 24 to disassemble the slide 17 in a closing direction F 2 opposite in the opening direction, causing the air shutter 19 to come to occupy its closed position.
• the gun 1 comprises a device 60 for splitting the liquid into droplets, interposed on the liquid circuit 8, between the outlet nozzle 7 and the liquid inlet 5.
• the splitter device 60 is adapted to break, split or break the liquid into droplets by spraying the liquid on a fixed fractionation body. The droplets thus obtained are discharged through the outlet orifice 7 using air coming from the air circuit 9.
• the fractionating device 60 comprises as fixed fractionating body, the front wall 43 of the body 2. More specifically, the front wall 43 has a frustoconical seat 43a extending from the outlet orifice 7 and intended to to cooperate with the seal 42 of the liquid shutter 40. This frustoconical seat 43a is extended by a fractionation wall 43b forming the bottom of the liquid supply chamber 47, located opposite the liquid inlet brought by channel 8i. The liquid flows in a direction parallel to the longitudinal axis X to project onto the fractionation wall 43b extending substantially perpendicular to the direction of movement of the liquid.
• the projection of the liquid on the fractionation wall 43b makes it possible to obtain droplets recovered by an outlet chamber 63 communicating upstream with the supply chamber 47 and the outlet duct 31 of the air and downstream, with the outlet port 7.
• This outlet chamber 63 is thus delimited when the slider 30 occupies the open position of the fluid circuit 2i, between the end wall 43 and the end of the slider 30 equipped with the seal 42.
• the air coming from the outlet duct 31 and which opens in the center of the outlet chamber 63 ensures the displacement of the liquid droplets from the fractionation wall.
• outlet chamber 63 can create a depression with respect to the feed chamber 47 so as to obtain by venturi effect, the suction of the droplets by the flow of air.
• the gun 1 makes it possible to automatically select, by means of the trigger 14, one and / or the other of the operating modes by pressing on the trigger 14, in view of its pivotal mounting around a
• the trigger 14 can then be released to occupy its second position. During this release, the spool 17 and the slider 30 are moved simultaneously in the closing direction F 2 under the action of the return springs, making it possible to place the liquid shutter 40 in the closed position of the liquid circuit 8. In this second position of the trigger 14, the air shutter 19 is held in the open position for blowing air through the outlet nozzle 7, in order to complete cleaning by drying.
• the gun 1 according to the invention is of course part of a cleaning installation comprising a pressurized air supply circuit connected to the inlet 6 and a pressurized liquid supply circuit connected to the inlet 5 of the liquid.
• its butt 3 is provided with a passage 31 for the cables of the air and liquid supply circuits in order to be able to connect them to the liquid and air inlets 6 placed side by side
• the liquid supply circuit is adapted to provide a pressurized liquid such as water.
• the air supply circuit has an air flow rate of between 100 and 600 l / min and for example of the order of 150 to 250 l / min and a pressure of between 4 and 35 bar and preferably of the order of 6-7 bars.
• the liquid supply circuit has a constant flow rate between 0.1 and 100 l / h and for example of the order of S i / h, with a pressure of between 1 and 80 bar and for example of the order of 10 bars.
• the liquid supply circuit comprises a flow rate limiter provided with a selector making it possible to choose one of several selected flow rate values. For example, the selector selects the following flow rate values: 7.20 and 40 i / h.
• the installation according to the invention implementing the gun 1 requires very little cleaning liquid.
• the cleaning installation consumes 4 to 6 liters of liquid per hour of operation.
• Figs. 5 to 8 illustrate another alternative embodiment of the cleaning gun 1 according to the invention in which is implemented a mechanism 12 'for selecting the operating mode of the gun, different from the mechanism 12 for selecting the operating mode of the gun described in relation to Ftg, 1 to 4, the gun comprises according to this embodiment of the same means as those described in relation FIG. 1 to 4 so that these means carry the same reference affected by the index "prime".
• this mechanism 12 makes it possible to select three modes of operation, namely the closing of the outlet nozzle 7% the outlet only of the air and the outlet of an air-liquid mixture, via the outlet nozzle T.
• the drawer 17 'provided with the shutter 1' for the air circuit 9 ' is slidably mounted inside a housing 18' of the independent body of the housing 32 'for the slider 30 'slidably mounted in the body 2' and provided with a shutter 40 'for the liquid circuit 8'.
• the drawer 17 ' is slidably mounted inside a well 18' arranged in the body 2 along a longitudinal axis X.
• the drawer 17 ' is provided with the shutter 19' for the air circuit 9 ' and is displaced in translation by the trigger 14 '.
• the air shutter 19 ' is intended, in the closed position, to cooperate by its seals 25' with the well 18 'which is placed on the air circuit 9', the drawer 17 'is provided with seals 25 'cooperating with the well 18'. In its closed position, the air shutter 19 'closes the air circuit 9'.
• the seals 25 'do not cooperate more with the well 18' so that the air circuit 9 'is open.
• This air circuit 9 ' comprises the outlet duct 31' opening at the outlet nozzle 7 '.
• the trigger 14 ' acts on the front end of the drawer 17' whose rear end is urged by the spring 24 'interposed between the drawer 17' and the bottom of the well 18 '.
• the drawer 17 ' is urged by the spring 24 r , so as to place the drawer 17', in the absence of force applied to the trigger 14 ', in the closed position of the air circuit 9 '.
• the drawer 17 ' is thus moved by the trigger 14', in a direction of opening as already explained so that the shutter 19 'occupies from its closed position, an open position. It should be noted that in the closed position of the shutter 19 ', the trigger 14' occupies its first position while in the open position of the shutter 19 ', the trigger 14' occupies either its second position, his third position.
• the trigger 14 ' continuously urges the drawer 17' when it passes successively from its first position to its second and third positions.
• the spring 24 ' continuously urges the slide 17' in a closing direction, in the absence of a trigger force 14 ', in order to cause the trigger 14' to occupy its first position called rest, defined by the absence of application of a force by the trigger 14 ', on the drawer 17'.
• the trigger 14 ' is pivotally mounted about an axis 68' carried by the body 2 '.
• the selection mechanism 12 ' also comprises a shutter 40' for the liquid circuit 8 ', carried by the end of the slider 30' which is slidably mounted in the body 2 'in a bore 46' formed in the body 2 'of independently of the receiving well of the drawer 17 '.
• the slider 30 'and the slider 17' are disposed in the stock, one above the other, being slightly offset from each other.
• the slider 30 ' is slidably mounted on the inside. the body being eiastically biased by a return spring 44 ', tending to return the liquid shutter 40' in the closed position.
• the shutter 40 ' is disposed on the liquid circuit 8' for opening and closing the liquid circuit 8 '.
• the liquid is thus brought to the outlet orifice, from the inlet 5' of the liquid , using channels 8'i arranged in the body 2 'and opening into the supply chamber 47' of the liquid to the outlet port 7 '
• the slider 30 ' is controlled in displacement, by the trigger 14' so that when the trigger 14 'occupies its first and second positions,! 40 'liquid shutter closes the liquid circuit 8' by the cooperation of seals 42 'carried by the slider 30' with the bore 46 'When the trigger 14' occupies its third position, the shutter liquid 40 'opens the liquid circuit 8'.
• the third position of the trigger 14 ' corresponds to the activated position of a finger or lever 70' pivotally mounted on its trigger 14 'to be able to act on the slide 30', only when the trigger is in its second position.
• the second position of the trigger is defined by a stop 75 'carried by the body 2'.
• the lever 70' can be actuated to move the slider 30 'to open the liquid circuit 8'.
• the finger or lever 70 ' is eiastically recalled to its rest position by a spring 72' mounted on the trigger.
• the gun 1 seion this embodiment also comprises a device 60 'fractionation of the liquid in droplets, interposed on the liquid circuit 8', between the outlet nozzle and the liquid inlet 5 '.
• the fractionating device 60 ' comprises as fixed fractionating body, the front wall 43' of the body 2 '. More specifically, the front wall 43 'has a frustoconical portion 43'a of connection with the nozzle T, extended by the fractionation wall 43'b forming the bottom of the supply chamber 47' of liquid, located at opposite of the liquid inlet brought by the channel 8 ⁇ .
• the liquid flows in a direction parallel to the longitudinal axis to project on the fractionation wall 43 'b extending substantially perpendicular to the direction of displacement of the liquid.
• the butt 3 ' is provided with a second inlet 5'a for a liquid under pressure, arranged parallel to the first inlet 5 '. This second input 5'a is connected to the liquid circuit 8 'by a connection line S'a.
• a selective rotating shutter 80 ' is interposed in the connecting pipe 8'a and in a part of the liquid circuit 8' to selectively connect the liquid circuit 8 'either to the first inlet 5' or to the second inlet 5'a .
• This selective rotating shutter 80 ' comprises a maneuver member opening outwardly from the butt 3'.
• this selective rotating shutter 80 ' can be implemented in the variant embodiment illustrated in FIGS. 1 to 4,
• the nozzle T is carried by an extension 85 'mounted on the body 2' by any appropriate means.

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• 2012
  • 2012-10-03 FR FR1259397A patent/FR2996150B1/fr not_active Expired - Fee Related
• 2013
  • 2013-10-02 EP EP13782786.1A patent/EP2903750A1/de not_active Withdrawn
  • 2013-10-02 WO PCT/FR2013/052350 patent/WO2014053777A1/fr active Application Filing
  • 2013-10-02 US US14/432,331 patent/US20160101442A1/en not_active Abandoned

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