WO2021074234A1 - Dispositif perfectionné pour la diffusion contrôlée d'un arôme, notamment pour un diffuseur d'arômes, comportant des moyens d'obturation d'une cartouche de parfum amovible - Google Patents

Dispositif perfectionné pour la diffusion contrôlée d'un arôme, notamment pour un diffuseur d'arômes, comportant des moyens d'obturation d'une cartouche de parfum amovible Download PDF

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Publication number
WO2021074234A1
WO2021074234A1 PCT/EP2020/078919 EP2020078919W WO2021074234A1 WO 2021074234 A1 WO2021074234 A1 WO 2021074234A1 EP 2020078919 W EP2020078919 W EP 2020078919W WO 2021074234 A1 WO2021074234 A1 WO 2021074234A1
Authority
WO
WIPO (PCT)
Prior art keywords
shut
cartridge
fixed sleeve
upstream
aperture
Prior art date
Application number
PCT/EP2020/078919
Other languages
English (en)
Inventor
Guillaume Rolland
Misha NESARATNAM
Original Assignee
Produits Berger
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Produits Berger filed Critical Produits Berger
Publication of WO2021074234A1 publication Critical patent/WO2021074234A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12—Apparatus, e.g. holders, therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12—Apparatus, e.g. holders, therefor
    • A61L9/122—Apparatus, e.g. holders, therefor comprising a fan
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00—Other air-treating devices
    • B60H3/0007—Adding substances other than water to the air, e.g. perfume, oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00—Other air-treating devices
    • B60H3/0085—Smell or pollution preventing arrangements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/13—Dispensing or storing means for active compounds
    • A61L2209/134—Distributing means, e.g. baffles, valves, manifolds, nozzles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/16—Connections to a HVAC unit

Definitions

  • TITLE Improved device for the controlled diffusion of an aroma, notably for an aroma diffuser, comprising means for sealing a 5 removable scent cartridge
  • the invention relates to a device for the controlled diffusion of an aroma, of a 0 scent or of a scented composition.
  • the invention relates notably to an aroma diffuser device capable of awakening a user or helping them to fall asleep, using an aroma or a scent.
  • the invention relates to a device for the controlled diffusion of an aroma, notably for an aroma diffuser for awakening a user, helping them to fall 5 asleep and maintaining the quality of their sleep, comprising means for sealing a removable scent cartridge.
  • document FR-A1 -3.070.272 has proposed a0 design of a removable cartridge or capsule for storing the aromatic substance which comprises a case in which a support for storing an aromatic or scented substance or composition is housed, and the wall of which comprises at least one inlet opening and an opposite outlet opening for the passage of an airflow through the case.
  • Document FR-A1-3.026.308A1 describes and depicts a device for diffusing at least one volatile agent, comprising a removable cartridge/reservoir 4 which 5 is guided in the case, and which comprises handles for grasping/manipulating it.
  • pivoting shut-off flaps 331 and 5 51 selectively shut off openings 42 to 47 of the case of the cartridge/reservoir 4.
  • the invention proposes a device for the controlled diffusion of an airflow, comprising :
  • the shut-off flap is a flap that shuts off one of the two apertures of the fixed sleeve which is mounted with the ability to move with respect to the fixed 5 sleeve between;
  • shut-off element shuts off the associated aperture
  • shut-off element is a shut-off flap mounted with the ability to pivot, about an axis orthogonal to its plane, between a closed position and an open position;
  • the device comprises at least one controlled actuator of the 5 movements of the shut-off flap, between a closed position and an open position.
  • the forced-air circulation circuit comprises:
  • the interior forced-circulation circuit comprises a downstream duct for guiding the airflow, of which an upstream end is connected to the outlet aperture of the fixed sleeve; 5 - the device comprises:
  • a downstream element for shutting off the outlet aperture of the fixed sleeve which is mounted with the ability to move with respect to the fixed sleeve between a closed position in which it shuts off the outlet aperture of the fixed sleeve and an open position in which the outlet aperture of the fixed0 sleeve is at least partially open;
  • an upstream element for shutting off the inlet opening of the fixed sleeve which is mounted with the ability to move with respect to the fixed sleeve between a closed position in which it shuts off the inlet aperture of the fixed sleeve and an open position in which the inlet aperture of the fixed sleeve is at least partially open;
  • downstream and upstream shut-off elements are connected in their movements so that they can simultaneously occupy their respective closed positions or their respective open positions; 0 - the device comprises a single controlled actuator of the simultaneous movements of the downstream and upstream shut-off elements;
  • the device comprises a duct for guiding the airflow of which one end is connected to one of said apertures of the fixed sleeve, and the pivoting shut off element for shutting off this aperture of the fixed sleeve is a shut-off 5 element arranged at the other end of said duct for guiding the airflow;
  • the pivoting shut-off element is arranged at one end of a lever of the first type, and the controlled actuator is a cylinder which acts on the other end of the lever;
  • the controlled actuator is a cylinder wax motor 0 - the device comprises:
  • an external casing comprising an orifice for the insertion of a cartridge, that is removable in the position of use, into the housing for receiving the cartridge;
  • the invention also proposes a removable cartridge for a device according to the invention of which the case comprises a planar inlet face in which at least one inlet opening is formed and a parallel planar opposite outlet face in which0 at least one outlet opening is formed.
  • FIG.1 ] - Figure 1 is a perspective view of a first embodiment of a device for 5 the controlled diffusion of an aroma, of a scent or of a scented composition, notably for awakening its user, helping them to get to sleep and maintaining the quality of their sleep, which figure depicts a removable cartridge in the position of use in the device, and in which figure the upstream and downstream shut-off flaps are depicted in their common closed position;
  • FIG.2] - Figure 2 is a perspective view, from another viewpoint, of the device of Figure 1 ;
  • FIG.3 is a perspective view illustrating the key components of the internal technical module of the device depicted in the preceding figures, in which figure the removable cartridge has been depicted in the position of use5 in the technical module;
  • FIG.4 - Figure 4 is a perspective view of the technical module depicted in Figure 3, from another viewpoint;
  • FIG.5 - Figure 5 is an exploded perspective view of the key elements and components of the technical module depicted in Figure 3;
  • 0 [Fig.6] - Figure 6 is an exploded perspective view of the key elements and components of the technical module depicted in Figure 3, from a different viewpoint;
  • FIG.7 is a view in section on a vertical and longitudinal midplane, of the internal technical module of the device of Figures 1 and 2, in which the5 upstream and downstream shut-off flaps are depicted in their common closed position;
  • FIG.8] - Figure 8 is a view similar to that of Figure 7, in which the technical module is depicted without a removable cartridge in the position of use in the technical module;
  • 0 FIG.9] - Figure 9 is a view in section, on the transverse and vertical plane 9- 9 of Figure 7 and in which the upstream shut-off flap is depicted in its two, closed and open, extreme positions;
  • - Figure 10 is a view in section, on the vertical and transverse plane 10-10 of Figure 7, and in which the downstream shut-off flap is depicted in its two, closed and open, extreme positions;
  • FIG.11 is a partial perspective view of another exemplary 5 embodiment of a technical module with two shut-off flaps in which a removable cartridge has been depicted in the position of use in the technical module and in which the upstream and downstream shut-off flaps are depicted in a common intermediate position;
  • FIG.12 - Figure 12 is a view similar to that of Figure 11 in which the 0 technical module is depicted from another viewpoint;
  • FIG.13 - Figure 13 is a view in section, on a vertical and longitudinal midplane, of the technical module of Figures 11 and 12, in which the upstream and downstream shut-off flaps are depicted in their common intermediate position; 5 [Fig.14] - Figure 14 is a view similar to that of Figure 13, in which only the hollow framework of the technical module has been depicted;
  • FIG.15 is a view on a larger scale, in perspective and in section on a vertical and longitudinal midplane, of the case of a removable cartridge or capsule able to be received in the diffuser device;
  • 0 [Fig.16] - Figure 16 is a view similar to that of Figure 6 depicting only the two-part hollow framework of the two-part technical module and the moving equipment with two coupled shut-off flaps, produced according to another embodiment, and in which the upstream and downstream shut-off flaps are depicted in their common closed position;
  • 5 [Fig.17] - Figure 17 is an exploded perspective view of the three components depicted in Figure 15; and
  • FIG.18 is a view in section, on a vertical and longitudinal midplane, of those components of the technical module that are depicted in Figures 16 and 17. 0
  • the longitudinal axis L is oriented from the rear forwards and in the direction in which a flow of air that is to be diffused passes through the device.
  • the diffuser device has overall symmetry of design with respect to its vertical and longitudinal midplane.
  • the first embodiment of the invention which will now be described with reference to Figures 1 to 10 and 15 comprises two shut-off flaps, one upstream and one downstream, for shutting off the apertures of the cartridge and which are substantially adjacent to the sleeve that receives the cartridge. 0
  • the lower half-casing 22 incorporates a central portion 28 forming a foot the planar lower face 30 of which is designed to rest on a table or similar piece of furniture.
  • This lower face may comprise an access hatch for replacing an electric cell0 or internal battery.
  • the upper half-casing 24 comprises, substantially at its centre, a vertical aperture 32 the contour of which is rectangular with rounded corners, and which is surrounded by a convergent concave guide surface 34 for guiding the insertion of a cartridge “C” into the device 20.
  • the casing 22-24 of the device is of cylindrical overall shape with a substantially horizontal axis and is closed at its two opposite rear and front 5 axial ends by, respectively, a front face 40 which incorporates a rear inlet grating 42 for admitting fresh air into the device 20 and by a front face 44 which incorporates a front outlet grating 46 via which scented air exits the device.
  • the components of the outer shell 22-24, 42 and 46 are for example produced by moulding in plastic material, in glass or in metal.
  • the outer shell notably acts as trim allowing for variation in shape and colour, and also various designs of air intake 42 and outlet 44 gratings for the device5 20.
  • the outer shell houses a technical module “M”, also referred to as the technical core, produced according to the teachings of the invention.
  • the technical module 0 The technical module 0
  • the technical module M comprises a hollow framework 50 which, by way of nonlimiting example is, in this instance, produced in two parts or half frameworks, rear 52 and front 54, connected along a vertical jointing plane 56. 5
  • the two half-frameworks 52 and 54 are two components moulded in plastic material which are fixed together notably by lug 58 and notch 57 assemblies.
  • the hollow framework 50 internally limits an axial duct 60 for the “forced” circulation of air through the device 20 (see Figure 7).
  • the forced-circulation duct 60 comprises an upstream duct 59 formed in the0 rear half-framework 52 for guiding the airflow, and a downstream duct 61 formed in the front half-framework 54 for guiding the airflow.
  • the upstream duct 59 extends axially from the rear forwards from a rear circular inlet 62 as far as a front outlet 63 of circular overall shape.
  • the downstream duct 61 extends axially from the rear forwards from a rear inlet 65 of circular overall shape as far as a circular front outlet 64.
  • the forced air circulation duct 60 extends axially through the technical module M from the rear forward from a rear circular inlet 62 as far as a 5 circular front outlet 64.
  • the passage cross section decreases and then increases overall from the rear inlet 62 as far as the front outlet 65.
  • the forced air circulation duct 60 is continuous and sealed overall between its rear inlet 62 and its front outlet 64.
  • the rear inlet 62 is formed in a rear transverse face 68 (against which an electric blower 70 is attached by means of a rear flange 69 comprising a rear end air inlet 71 of circular contour. 5
  • the electric blower 70 causes air, drawn in through the rear grating 42, to circulate along the duct 60 from which it emerges via the front outlet 64 which is immediately adjacent to the front grating 46 of the casing of the device 20.
  • the vertical sleeve 72 that houses the 0 cartridge C is in this instance produced in two, rear and front, parts formed respectively in the rear half-framework 52 and in the front half-framework 54.
  • the vertical sleeve 72 delimits an internal cavity or housing 74 for receiving a removable cartridge C.
  • the vertical sleeve 72 is of tubular overall shape with a cross section in the5 form of a rectangle with rounded corners. It is closed at its lower part by a substantially horizontal end wall 75, while its upper face 76 is open and delimited by a horizontal edge.
  • the wall of the vertical sleeve 72 comprises a transverse and vertical upstream lateral wall 80 and a parallel and opposite downstream lateral wall0 82.
  • the upstream lateral wall 80 comprises an upstream central inlet aperture 84 for admitting the airflow into the vertical sleeve 72.
  • the downstream lateral wall 82 comprises a downstream central outlet aperture 86 for letting the airflow out of the vertical sleeve 72.
  • the upper end part or section 73 of the vertical sleeve 72 is solid and continuous and delimited by the upper horizontal edge which delimits the 5 open upper face 76.
  • Figure 15 depicts one embodiment of the case 130 of a removable cartridge 0 C compatible with the diffuser 20.
  • this is a cartridge of the kind described and depicted in detail in document FR-A1 -3.070.272, to the content of which reference may be made.
  • the large vertical and transverse rear plate or face 132 of the wall of the case 130 comprises a series of inlet openings 134.
  • the large vertical and transverse front plate or face 136 of the wall of the case 130 comprises a series of outlet openings 138.
  • the rear plate 132 and front plate 136 are parallel and opposite one another and the inlet openings 134 and outlet openings 138 are arranged substantially facing one another. 0 A flow of air can thus pass through the case 130 while coming, on its way, into contact with an aromatic substance or composition arranged inside and which is for example supported by a support or substrate (not depicted in Figure 15).
  • the design and arrangement of the substrate may be of any appropriate5 type.
  • the cartridge may be a single unit forming a substrate, for example in the form of a “slide” that is scented and holed in order to allow the passage of the air that is to be scented.
  • the case of the cartridge within the definition of the invention is made up of the unit itself.
  • the case 130 In its upper part, the case 130 is closed by a horizontal plate 140. 0
  • the inlet openings 134 and outlet openings 138 are arranged overall in the lower half of the case, while the upper other half 133 and 137 of the rear plate 132 and front plate 136 are solid parts.
  • the case 130 of the cartridge C comprises an upper portion 142 delimited over its entire periphery by a solid wall.
  • the cartridge C comprises a pierced or holed lower portion 144.
  • the position of use of the cartridge C is defined by its horizontal end wall 141 coming into abutment, in a vertical downwards direction, against the end wall 75 of the vertical sleeve 72.
  • shut-off flaps that shut off the inlet and outlet apertures of the guide sleeve
  • the technical module M here comprises, nonlimitingly, controlled upstream and downstream means for shutting off the central upstream inlet aperture 84 for admitting the airflow into the vertical sleeve 72, and for shutting off the central downstream outlet5 aperture 86 for allowing the airflow to leave the vertical sleeve 72, respectively.
  • the controlled upstream shut-off means here is an upstream shut-off flap 90 which extends in a vertical and transverse plane and is able to be housed in a complimentary downstream slot 92 which is formed in the rear half-0 framework 52 and which extends across the upstream duct 59 in a transverse vertical plane substantially adjacent to the upstream central aperture 84.
  • the upstream shut-off flap 90 is mounted with the ability to pivot in both directions about a longitudinal axis A2 which is orthogonal to the plane of the upstream shut-off flap 90 and of the complimentary upstream slot 92.
  • the controlled downstream shut-off means here is a downstream shut-off 5 flap 94 which extends in a vertical and transverse plane and is able to be housed in a complementary upstream slot 96 which is formed in the front half-framework 54 and which extends across the downstream duct 61 in a transverse vertical plane substantially adjacent to the downstream central aperture 86.
  • the downstream shut-off flap 94 is mounted with the ability to pivot in both directions about the longitudinal axis A2 which is orthogonal to the plane of the downstream shut-off flap 94 and of the complimentary downstream slot 96.
  • Each upstream 90 and downstream 94 shut-off flap is a plate, the contour of 5 which is circular overall.
  • shut-off flaps are, in this instance, coupled by a longitudinal bridge 98 made as a single piece with the two, upstream 90 and downstream 94, shut-off flaps to constitute moving shut-off equipment 100 which is mounted with the ability to pivot in both directions0 about the longitudinal axis of pivoting A2.
  • the longitudinal axis of pivoting A2 is off-centred with respect to the overall axis A1 of circulation of the airflow through the device 20.
  • the axis A2 is in this instance offset vertically downwards and5 transversely with respect to the axis A1.
  • shut-off flaps pivot simultaneously about the axis A2, from their closed position 90, 94 to their open position 90’, 94’ respectively (See Figures 9 and 10), through a small angular displacement of the order of forty-five degrees of angle (See Figures 9 and 10) with a reduced0 overall space occupancy.
  • each upstream 90 and downstream 94 shut-off flap comprises a cranked articulation and drive lug 102 and 104 respectively.
  • Each cranked lug 102, 104 comprises a driving free end portion 106, 108 in which there is formed an oblong slot 109, 110 respectively.
  • the two cranked lugs 102 and 104 are (at their intermediate 5 cranked portion) joined together by a longitudinal articulating rod 112.
  • the articulating rod 112 is fitted with clearance into two rotational-guidance bearings 114 which, by way of nonlimiting example, are created here as a moulding made in one piece with the front half-framework 54.
  • the moving shut-off equipment 100 is mounted with the ability to pivot in both directions and the shut-off flaps 90 and 94, which are axially aligned, can pivot simultaneously in both directions.
  • shut-off flap 90, 94 is thus mounted with the ability to rotate between:
  • each shut-off flap 90, 94 is situated out of the0 associated slot 92, 96 and out of the associated aperture 63, 65 so as to allow a flow to pass through the vertical sleeve 72.
  • FIGS 9 and 10 illustrate each shut-off flap (respectively the downstream flap 90 and the upstream flap 94) in the closed position and in the open position (90’, 94’), these two positions being angularly offset by an angle a5 little greater than 45 degrees of angle.
  • the technical module M comprises a single controlled actuator of the simultaneous movements of the two shut-off flaps 90, 94.
  • the single actuator here is preferably a cylinder wax motor 116 which comprises an output rod 118 which can be driven in both directions along its axis A3.
  • the parallelepipedal body 117 of the actuating cylinder 116 is fixed by push fitting into an elastic clip 120 produced as an integral part moulded together with the front half-framework 54.
  • the axis A3 here extends in a vertical plane and substantially in the 5 transverse direction.
  • the actuating cylinder 116 is arranged longitudinally between the transverse parallel planes in which the shut-off flaps 90 and 94 pivot.
  • the rod 118 of the actuating cylinder 116 bears a drive bar 124 which is secured to the rod 118 in terms of translation along the axis 0 A3, and each of the two opposite free end portions 126, 128 of which is housed in an associated oblong slot 110, 109.
  • Each pivoting shut-off flap 90, 94 is arranged at one end of a lever of the first type (consisting of the cranked lug 102, 104), and the controlled actuating cylinder 116 acts on the other end 106, 108 of the lever. 5
  • the device 20 When the device 20 is not being used to diffuse a flow of scented air on0 command, it is at rest, and the blower 70 is switched off. No forced airflow circulates through the duct 60.
  • a cartridge C is in the position of use inside the device 20, its lower portion comprising the inlet openings 134 and outlet openings 136 is situated inside the internal duct 60 of the framework 50. 5 In this position of use, the lower portion 144 of the cartridge C is surrounded by the lower part of the vertical sleeve 72 housing the cartridge C.
  • the solid upper portion 142 is housed in a near-sealed manner in the housing 74.
  • shut-off flaps 90 and 94 are in0 their closed position illustrated notably in Figures 7, 9 and 10.
  • the drive system that drives the pivoting of the moving shut-off equipment 100 by means of the cylinder wax motor 116 is actuated to cause this equipment to change angular position about the axis A2.
  • shut-off flaps 90 and 94 are in the open position, they are arranged entirely outside the internal duct 60, thus avoiding0 causing pressure drops.
  • the design according to the invention allows the use of sealing means that prevent untimely leaks of scented air, without entailing modifications to the design of existing cartridges such as those mentioned earlier.
  • shut-off flaps are independent of one another, namely are not coupled to constitute moving shut-off equipment.
  • each shut-off flap is mounted with the ability to pivot in both directions about the longitudinal axis of pivoting A2 and may be associated for example with an associated actuator such as a cylinder.
  • each shut-off flap can be made to pivot independently of the other shut-off flap, thus allowing differentiated, and for example sequenced, control logics, such as opening the upstream flap or the downstream shut-off flap first, etc.
  • Figures 16 to 18 depict a variant of the hollow framework of the technical 5 module.
  • the hollow framework 150 of the technical module M which in0 this instance is produced in two parts or half-frameworks, an upper one 152, and a lower one 154, connected along a horizontal jointing plane 156.
  • the two half-frameworks 152 and 154 are two parts moulded in plastic material and which are for example fixed together by screws (not depicted) housed through orifices 157 and screwed into holes 158. 5 At its rear axial end, the hollow framework 150 delimits a housing or cavity 169 able to house the blower (not depicted).
  • the second embodiment of the invention which will now be described with reference to Figures 11 to 15 comprises two flaps, upstream and downstream, for shutting off the apertures of the cartridge, where the 5 downstream flap is substantially adjacent to the sleeve that houses the cartridge, and the upstream flap is arranged in the vicinity of the downstream end of the upstream duct for guiding the forced airflow.
  • This second embodiment will be described more succinctly and essentially in comparison with the first embodiment described hereinabove.
  • the key difference in design lies in the positioning of the downstream shut-off flap 90 which in this instance is arranged in the vicinity of the circular rear inlet 62 of the upstream duct 59 formed in the rear half-framework 52 for guiding the airflow.
  • the upstream duct 59 which is in communication with the inside of the case 130 of the cartridge C is filled with air that is already aromatised or scented and can be propelled immediately by the blower towards the outside of the device 20.
  • each shut-off flap can be produced in two complementary and opposing parts which are for example mounted with the ability to pivot about the one same axis of pivoting in the manner of the “jaws” of a pair of scissors. 0 The two parts of each flap are driven simultaneously in pivoting in opposite directions, on opening or closing.
  • the corresponding parts of the two flaps may be joined together to constitute pairs of parts able to move simultaneously.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Atmospheric Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

L'invention propose un dispositif amélioré (M) pour la diffusion contrôlée d'un arôme ou d'un parfum comprenant un circuit intérieur (60) pour la circulation forcée d'un flux d'air, un boîtier (74) pour recevoir une cartouche amovible (C) qui comprend un carter dans lequel est logé un support pour stocker une substance ou une composition aromatique ou parfumée et dont la paroi comprend une ouverture d'entrée et une ouverture de sortie opposée, un manchon fixe comprenant le boîtier (74) pour recevoir la cartouche (C) et deux volets pivotants amont (90) et aval (94) pour obturer les ouvertures d'entrée et de sortie du manchon fixe (72), qui sont montés avec la capacité de se déplacer entre une position fermée d'arrêt et une position ouverte qui permet à un flux d'air forcé de passer à travers le dispositif et la cartouche amovible (C).
PCT/EP2020/078919 2019-10-15 2020-10-14 Dispositif perfectionné pour la diffusion contrôlée d'un arôme, notamment pour un diffuseur d'arômes, comportant des moyens d'obturation d'une cartouche de parfum amovible WO2021074234A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FRFR1911444 2019-10-15
FR1911444A FR3101780B1 (fr) 2019-10-15 2019-10-15 Dispositif perfectionné de diffusion contrôlée d’une odeur, notamment pour un diffuseur olfactif, comportant des moyens d’étanchéité d’une cartouche amovible de parfum

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WO2021074234A1 true WO2021074234A1 (fr) 2021-04-22

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PCT/EP2020/078919 WO2021074234A1 (fr) 2019-10-15 2020-10-14 Dispositif perfectionné pour la diffusion contrôlée d'un arôme, notamment pour un diffuseur d'arômes, comportant des moyens d'obturation d'une cartouche de parfum amovible

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FR (1) FR3101780B1 (fr)
TW (1) TWI751741B (fr)
WO (1) WO2021074234A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3026308A1 (fr) * 2014-09-30 2016-04-01 Valeo Systemes Thermiques Dispositif de diffusion d'au moins un agent volatil

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