JP6515328B2 - Air blower - Google Patents

Air blower Download PDF

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Publication number
JP6515328B2
JP6515328B2 JP2015063615A JP2015063615A JP6515328B2 JP 6515328 B2 JP6515328 B2 JP 6515328B2 JP 2015063615 A JP2015063615 A JP 2015063615A JP 2015063615 A JP2015063615 A JP 2015063615A JP 6515328 B2 JP6515328 B2 JP 6515328B2
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Prior art keywords
air
air outlet
main body
provided
circular opening
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JP2015063615A
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Japanese (ja)
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JP2016183592A (en
Inventor
田井 泰
泰 田井
達也 山下
達也 山下
宏 吉川
宏 吉川
吉田 哲也
哲也 吉田
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パナソニックIpマネジメント株式会社
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46Arrangements of nozzles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/54Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type

Description

  The present invention relates to, for example, a blower that provides a refreshing feeling or encourages air circulation in a space by blowing air.

  BACKGROUND ART Conventionally, there has been known an air blower in which the compactness of the main body is realized while including a feeling of anxiety for contact with the impeller by including the impeller (see, for example, Patent Document 1).

  The conventional air blower comprises a main case having an air inlet and an air outlet, and a high pressure air generator provided in an air passage communicating the air inlet and the air outlet, and the air outlet has a slit shape. It is.

JP, 2013-224650, A

  The problem with such a conventional air blower has been to further enhance the feeling of use.

  That is, in the conventional product, since the air outlet is in the form of a slit, when a force is applied near the air outlet, the slit may be deformed and the width of the slit may not be constant. Thus, when the slit is deformed and the width of the slit is narrowed, noise may be increased.

  Then, an object of the present invention is to further enhance the feeling of use.

In order to achieve the above-mentioned object, the present invention is provided in a substantially spherical main body case provided with an air outlet and an air inlet, and an air passage connecting the air inlet and the air outlet. and a high-pressure air generation device, wherein the air outlet is slit-shaped, the wind upper side of the air outlet has an opening air passage portion continuous with said air outlet, the air blowing direction of the opening air passage The cross-sectional area in the direction perpendicular to the air flow is larger than the cross-sectional area in the direction perpendicular to the air blowing direction of the air outlet, and a deformation suppressing means for suppressing the deformation of the air outlet is provided in the open air passage portion , The main body case has a circular opening, and a cylindrical portion extending inward from a center of the circular opening from the inside of the circular opening is provided with an end of the circular opening and the cylindrical portion A gap is the air outlet, and the deformation suppressing means A plurality of ribs projecting outward from the outer surface of the cylindrical portion, and the distance from the ribs to the inner surface of the main body case is shorter than the distance from the end of the circular opening to the outer surface of the cylindrical portion A gap is provided between the rib portion and the inner surface of the main body case , thereby achieving the intended purpose.

According to the air blower relating to the present invention, high pressure air generation is provided in a substantially spherical main body case provided with an air outlet and an air inlet, and an air passage connecting the air inlet and the air outlet. and a device, wherein the air outlet is slit-shaped, the wind upper side of the air outlet has an opening air passage portion continuous with said air outlet for blowing direction of the opening air passage The cross-sectional area in the perpendicular direction is larger than the cross-sectional area in the direction perpendicular to the air blowing direction of the air outlet, and a deformation suppressing means for suppressing the deformation of the air outlet is provided in the open air passage portion; A cylindrical portion extending from the inside of the circular opening toward the central axis of the circular opening, and a clearance between the end of the circular opening and the cylindrical portion is the same. The air outlet is the air outlet, and the deformation suppressing means is the cylinder. A plurality of rib portions protruding outward from the outer surface of the main body case, and a distance from the rib portion to the inner surface of the main body case is shorter than a distance from an end of the circular opening to the outer surface of the cylindrical portion; A gap is provided between the part and the inner surface of the main body case , whereby the feeling of use can be further enhanced.

That is, the wind upper side of the air outlet has an opening air passage portion continuous with the air outlet, the cross-sectional area of the perpendicular direction to the blowing direction of the opening air passage, compared blowing direction of the air outlet A deformation suppressing means for suppressing the deformation of the air outlet in the opening air passage, which is larger than the cross-sectional area in the right angle direction, the main body case has a circular circular opening, and the circular opening from the circular opening A cylindrical portion extending inward of the central axis, and a gap between an end of the circular opening and the cylindrical portion is the air outlet, and the deformation suppressing means is provided outside the outer surface of the cylindrical portion. And the distance from the rib to the inner surface of the main body case is shorter than the distance from the end of the circular opening to the outer surface of the cylindrical portion, the rib and the main body since a gap is provided between the case inner surface, sky Can suppress deformation of the outlet, compared with the case of providing the deformation suppressing means to the air outlet, can suppress an increase in blowing resistance, it is possible to further increase the feeling of use.

An external view of a blower according to Embodiment 1 of the present invention An exploded side view of the blower Cross section of the blower The top view which looked at the 1st frame and the 1st air course member of the blower from the blast side pole Cross section of the air outlet of the blower Front view of the air blower with the air blower

Embodiment 1
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention.

  The following embodiment is an example embodying the present invention, and is not of the nature to limit the technical scope of the present invention. Moreover, the same number is attached about the same site | part through all the drawings. Furthermore, in the drawings, the description of the details of each part not directly related to the present invention is omitted.

  Hereinafter, the air blower which concerns on Embodiment 1 of this invention is demonstrated.

  FIG. 1 is an external view of a blower according to Embodiment 1 of the present invention.

  As shown in FIG. 1, the main body case 1 has a substantially spherical shape, and has a central axis 2 which virtually penetrates the center of the spherical body.

  The central shaft 2 is in point contact with the blast side pole 3 of the sphere and the suction side pole 4 opposed to the blast side pole 3 respectively. The term “substantially spherical shape” as used herein means that at first glance it is a spherical shape, and is an expression taking into consideration that it is not a perfect sphere due to some irregularities on the surface of the spherical surface due to the openings described later. That is, even if it does not become a true sphere, it is included in a substantially spherical shape if it forms a sphere at first glance.

  Further, the main body case 1 has a substantially hemispherical first frame 6 with a cut surface 5 perpendicular to the central axis 2 at a position equidistant from the two poles of the spherical body (the blast side pole 3 and the suction side pole 4). The second frame 7 which is also substantially hemispherical in shape is bisected into two.

  The first frame 6 is provided with the blast side pole 3 and has a hollow shape, that is, a hemispherical structure. Further, in the first frame 6, a circular opening 9 constituted by a plane perpendicular to the central axis 2 is provided in the vicinity of the air blast side pole 3. Here, the term “nearly” means that the blower side pole 3 is strictly on the circumference of a sphere, and therefore, the term “neighboring” does not coincide with the plane to which the opening 9 belongs. Therefore, it can be said that, in particular, the opening 9 includes the blast side pole 3. Furthermore, the first frame 6 is provided with a plurality (six in the first embodiment) of induction air suction ports 8 provided at equal intervals in the circumferential direction of the central axis 2 with the air flow pole 3 as the center.

  The induction air suction port 8 has a circular shape with the same diameter, and the center of each circle is located on the same circumference centering on the central axis 2 (on the same cross section perpendicular to the central axis 2). However, it does not contact adjacent induction air suction port 8, that is, by making each independent, a plurality of air ducts, which will be described later, are secured in the internal space.

  The opening 9 is provided therein with the induction air outlet 10 communicating with the induction air suction port 8, the details of which will be described later.

  The second frame 7 is provided with the suction side pole 4 and has a hollow shape, that is, a hemispherical structure. Further, the second frame 7 is provided with an air suction port described later around the suction side pole 4.

  FIG. 2 is an exploded side view of the blower according to Embodiment 1 of the present invention.

  As shown in FIG. 2, the air blower comprises a first air passage member 204 and an arrangement space 216 in the hollow space (inside) of the substantially spherical main body constituted by the first frame 6 and the second frame 7 described above. The second air passage members 212 are arranged in this order from the first frame 6, and the air blower housing is configured in this configuration. Moreover, by providing the high pressure air generator 211 in the arrangement space 216, the air conditioner functions as a blower.

  The first air passage member 204 forms a hollow internal space between the upper member 202 provided with the induction air outlet 10 having a circular cross section perpendicular to the central axis 2 and the upper member 202. And the member 203. Further, on the outer side of the wall surface of the lower member 203, a plurality of support portions 213 (six in the first embodiment) are provided in a projecting manner toward the suction side electrode 4 and in parallel with the central axis 2. Here, “protruding” means being provided in a projecting state.

  The second air passage member 212 is provided with a plurality of contact portions 214 (the same number as the support portions, six in the present embodiment) corresponding to the plurality of support portions 213. Further, the contact portion 214 is provided so as to protrude in parallel with the central axis 2 toward the air-blowing side electrode 3 of the second air passage member 212. The distal end portion of the support portion 213 and the distal end portion of the contact portion 214 come into contact with each other to form a disposition space 216 between the first air passage member 204 and the second air passage member 212. The term “contact” as used herein refers to contact in an abutting state. Further, in the second air passage member 212, a cylindrical engaging portion 215 centered on the central axis 2 is provided so as to project parallel to the central axis 2 toward the suction side pole 4.

  In the second frame 7, an air suction port 201 is provided as a large number of punching holes in the vicinity of the suction side pole 4 as a center. The external air is sucked into the substantially spherical main body through the air suction port 201, and the details of the mechanism will be described later.

  The high pressure air generator 211 includes a motor 206, a base cover 207, a base 208, a motor cover 209, and blades 210. Further, the high pressure air generating device 211 is fixed to the fixing portion 205 made of an elastic material made of rubber and fixed to the first air passage member 204 described above, so that the first in the arrangement space 216 It is fixed to the outer wall side of the air passage member 204.

  Then, the flow of the air in a blower is demonstrated using FIG.3 and FIG.4. FIG. 3 is configured by arranging the first frame 6, the first air passage member 204, the high pressure air generator 211, the second air passage member 212, and the second frame 7 shown in FIG. 2 in this order. FIG. 2 is a cross-sectional view of the blower when cut along a plane including the central axis 2; Moreover, FIG. 4 is the top view which looked at the 1st flame | frame 6 and the 1st air-path member 204 from the ventilation side pole 3 side.

  In FIG. 3, a motor 206 is disposed in the vicinity of the center 301 of the ball equidistant from the blast side pole 3 and the suction side pole 4, and the rotation axis of the motor 206 is rotated to rotate the motor 206. The blades 210 connected to the shaft rotate about the central shaft 2. The power source of the motor 206 corresponds to electricity supplied from a power supply line described later drawn from the outside of the main body or electricity obtained from a built-in battery.

  When the blades 210 rotate, air from the outside of the main body is sucked from the air suction port 201 (see the air flow path 303). The sucked air passes through the opening (air suction port side opening 302) on the air suction port 201 side of the second air path member 212 having a function as an orifice, and the inside of the vane 210 in the arrangement space 216 It flows into the (central part). The inflowing air is turned from the central axis 2 to the outer peripheral direction based on the air flow structure of the blades 210 and discharged, that is, pushed outward in the circumferential direction of the disposition space 216 which also functions as an air flow path.

  The pushed-out air passes through the air flow path 304 constituted by the outer wall (outside the wall surface) of the first air path member 204 and the inner wall of the first frame 6 and is guided to the opening 9 by the pressure. Here, as shown in FIG. 4, the opening 9 has a circular shape with the blast side pole 3 as a center, and the induction air outlet 10 provided in the first air path member 204 and the center thereof are It is configured identically. Moreover, the plane which comprises the induction air blower outlet 10, and the plane which comprises the opening part 9 comprise substantially the same plane. Here, the substantially same plane means that the plane forming the opening 9 is far from or close to the plane forming the induction air outlet 10 with an error of, for example, several millimeters from the center 301 of the sphere Is meant to include. The diameter of the opening 9 is designed to be larger than the diameter of the induction air outlet 10, and the space between the opening 9 and the outer wall of the induction air outlet 10 communicates with the air flow path 304. An annular air outlet 307 is formed. As a result, the air sucked from the air suction port 201 is blown out as an annular air flow from the air blowout port 307 in a direction parallel to the central axis 2 and away from the center 301 by the action of the blades 210. That is, the main body case 1 includes the air suction port 201 and the air blowout port 307, and the high pressure air generating device 211 is provided in the air passage communicating the air suction port 201 and the air blowout port 307.

  The annular air flow blown out from the air outlet 307 induces the inner air in the annular shape, that is, the air near the induced air outlet 10 in the same direction by the attraction effect. At this time, air is drawn from the plurality of induction air inlets 8 communicating with the induction air outlet 10 (see the air flow path 306), mixed in the induction air mixing unit 305, and sequentially fed to the induction air outlet 10 .

  The annular air flow and the induction air described above are combined in the vicinity of the opening 9, and are discharged from the central axis 2 direction as a spot air with less divergence.

  The above is the outline of the configuration and operation of the blower according to the first embodiment.

FIG. 5 is a cross-sectional view of the air outlet 307 of the blower. FIG. 6 is a front view of the air outlet 307 of the blower. FIG. 6 is a view from above the main body case 1. As shown in FIGS. 5 and 6, when viewed from above the main body case 1, the air outlet 307 has an annular slit shape. The wind upper side of the air outlet 307 includes an opening air passage 400 communicating with the air outlet 307. In the open air passage 400, air flows from the bottom to the top. The cross-sectional area in the direction perpendicular to the air blowing direction of the open air passage portion 400 is larger than the cross-sectional area in the direction perpendicular to the air blowing direction of the air outlet 307.

A feature of the present embodiment is that a deformation suppressing means 401 for suppressing the deformation of the air outlet 307 is provided in the open air passage 400. Thus, the wind upper side of the air outlet 307 has an opening air passage 400 communicating with the air outlet 307, the cross-sectional area of the perpendicular direction to the blowing direction of the opening air passage 400, air blowing The cross-sectional area of the outlet 307 in the direction perpendicular to the blowing direction is larger than that of the outlet 307. Since the deformation suppressing means 401 for suppressing the deformation of the air outlet 307 is provided in the open air passage portion 400, the deformation of the air outlet 307 can be suppressed, and the deformation suppressing means 401 is provided in the air outlet 307. In comparison, an increase in air flow resistance can be suppressed, and the feeling of use can be further enhanced.

  Specifically, the main body case 1 is provided with a circular opening 402 at the top of the first frame 6 which is the upper half of the main body case 1 having a substantially spherical shape. In the circular opening 402, there is provided a cylindrical cylindrical portion 403 whose central axis extends inward in the central axis direction of the circular opening 402 from the inside of the circular opening 402, that is, downward.

  The cylindrical portion 403 is an upper portion of the upper member 202, and is shaped so as to gradually expand outward as it extends downward from the upper end. The upper end of the circular opening 402 and the upper end of the cylindrical portion 403 are disposed on a horizontal surface. The gap between the end portion 404 of the circular opening 402 and the cylindrical portion 403 becomes an air outlet 307 having an annular slit shape when viewed from above the main body case 1.

Wind upper side of the air outlet 307, i.e. the lower is provided with an opening air passage 400 communicating with the air outlet 307. The open air passage portion 400 is a space surrounded by the inner surface of the first frame 6 which is a substantially spherical body as the main body case 1 and the outer peripheral surface of the cylindrical portion 403. The open air passage 400 extends downward from the outer edge of the air outlet 307 and has an outwardly convex curved surface, and extends downward from the inner edge of the air outlet 307 and is inwardly convex. It is a space surrounded by a cylindrical portion 403 which is a curved surface. That is, the cross-sectional area in the direction perpendicular to the air blowing direction of the open air passage portion 400 is larger than the cross-sectional area in the direction perpendicular to the air blowing direction of the air outlet 307. Thereby, compared with the case where the deformation suppressing means 401 is provided in the air outlet 307, the increase in the air flow resistance can be suppressed.

  The deformation suppressing means 401 is a large number of rib portions 405 protruding outward from the outer surface of the cylindrical portion 403. The rib portion 405 radially extends from the outer surface of the cylindrical portion 403 when viewed from above in the main body case 1. The rib portion 405 has an elongated plate shape extending in the vertical direction along the air blowing direction. The rib portion 405 and the upper member 202 are integrally formed of a resin material.

  Further, the distance from the rib portion 405 to the inner surface of the main body case 1 is shorter than the distance from the end portion 404 of the circular opening 402 to the outer surface of the cylindrical portion 403. Here, when a force is applied to the peripheral edge of the circular opening in the substantially spherical first frame 6 that is the main body case 1 and the peripheral edge of the circular opening 402 is deformed inward, the end 404 of the circular opening 402 becomes cylindrical The rib portion 405 contacts the inner surface of the main body case 1 before contacting the outer surface of the portion 403. Thereby, the deformation of the air outlet 307 can be suppressed.

  On the other hand, the rib portion 405 can also be provided on the inner surface of the first frame 6. However, when the rib portion 405 and the first frame 6 are integrally formed of a resin material, the upper surface of the first frame 6 can be made smaller, which lowers the design. In this embodiment, since it is provided on the outer surface of the cylindrical portion 403, the inner surface of the cylindrical portion 403 can be reduced. This makes it difficult to see as compared to the upper surface of the first frame 6 and can suppress the reduction in design.

  Further, a gap 406 was provided between the rib portion 405 and the inner surface of the main body case 1. Thereby, compared with the case where the rib portion 405 and the inner surface of the main body case 1 are in contact with each other, the air flow resistance can be suppressed.

  Further, the distance between the adjacent rib portions 405 is smaller than the diameter of the 1-yen ball, and the gap 406 is smaller than the thickness of the 1-yen ball. Thus, when the coin is dropped to the air outlet 307 by mistake, the gap 406 is located between the rib portion 405 and the inner surface of the main body case 1, so the coin contacts the upper end of the rib portion 405. Therefore, it is possible to prevent coins from entering the air passage from the air outlet 307. Also, even when the coin goes to the gap 406, the gap 406 is smaller than the thickness of the 1-yen coin, so that it is possible to prevent the coin from entering from the gap 406.

  It is useful as an air blower which gives a refreshing feeling or promotes air circulation in a space by air blowing.

DESCRIPTION OF SYMBOLS 1 Body case 2 Central axis 3 Air flow side pole 4 Suction side pole 5 Cut surface 6 First frame 7 Second frame 8 Induction air inlet 9 Opening 10 Induction air outlet 201 Air inlet 204 First air passage member 211 High pressure Air generator 212 Second air passage member 213 Support portion 214 Contact portion 215 Engagement portion 216 Space for arrangement 305 Induction air mixing portion 307 Air outlet 400 Opening Air passage portion 401 Deformation suppressing means 402 Circular opening portion 403 Cylindrical portion 404 End 405 Rib 406 Clearance

Claims (2)

  1. The apparatus comprises: a substantially spherical main body case having an air outlet and an air inlet; and a high pressure air generator provided in an air passage connecting the air inlet and the air outlet, the air outlet being an air outlet. a slit shape, wherein the wind upper side of the air outlet has the opening air passage portion continuous with the air outlet, the cross-sectional area of the perpendicular direction to the blowing direction of the opening air passage, the air blowing A deformation suppressing means for suppressing deformation of the air outlet is provided in the open air passage section, which is larger than the cross-sectional area perpendicular to the blowing direction of the outlet, and the main body case has a circular opening. A cylindrical portion extending inward from the center of the circular opening from the inside of the circular opening is provided, the gap between the end of the circular opening and the cylindrical portion is the air outlet, and the deformation suppressing means is , And a plurality projecting outward from the outer surface of the cylindrical portion The distance between the rib and the inner surface of the main body case is shorter than the distance between the end of the circular opening and the outer surface of the cylindrical portion, and the distance between the rib and the inner surface of the main body case is A blower is provided with a gap .
  2. Distance between the rib portion adjacent to the rib portion is smaller than the diameter of the 1 yen coin, the gap is blowing device according to claim 1, characterized in that less than the thickness of 1 yen coin.
JP2015063615A 2015-03-26 2015-03-26 Air blower Active JP6515328B2 (en)

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Application Number Priority Date Filing Date Title
JP2015063615A JP6515328B2 (en) 2015-03-26 2015-03-26 Air blower

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015063615A JP6515328B2 (en) 2015-03-26 2015-03-26 Air blower
CN201680007088.7A CN107208662B (en) 2015-03-26 2016-03-23 Air supply device
PCT/JP2016/001681 WO2016152157A1 (en) 2015-03-26 2016-03-23 Air blower device

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JP2016183592A JP2016183592A (en) 2016-10-20
JP6515328B2 true JP6515328B2 (en) 2019-05-22

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Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2466058B (en) * 2008-12-11 2010-12-22 Dyson Technology Ltd Fan nozzle with spacers
GB0903682D0 (en) * 2009-03-04 2009-04-15 Dyson Technology Ltd A fan
GB2468323A (en) * 2009-03-04 2010-09-08 Dyson Technology Ltd Fan assembly
GB2482547A (en) * 2010-08-06 2012-02-08 Dyson Technology Ltd A fan assembly with a heater
WO2012046022A1 (en) * 2010-10-04 2012-04-12 Dyson Technology Limited Fan supplied by external dc power source
WO2013140739A1 (en) * 2012-03-22 2013-09-26 パナソニック株式会社 Air blower
GB2500903B (en) * 2012-04-04 2015-06-24 Dyson Technology Ltd Heating apparatus
JP6106843B2 (en) * 2012-10-29 2017-04-05 パナソニックIpマネジメント株式会社 Blower
CN102996476B (en) * 2012-11-14 2015-10-14 胡晓存 Bladeless fan
CN203297168U (en) * 2013-04-22 2013-11-20 东莞市旭尔美电器科技有限公司 Air-out device of bladeless fan

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WO2016152157A1 (en) 2016-09-29
CN107208662A (en) 2017-09-26
JP2016183592A (en) 2016-10-20

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