WO2013021720A1 - Climatiseur - Google Patents

Climatiseur Download PDF

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Publication number
WO2013021720A1
WO2013021720A1 PCT/JP2012/064970 JP2012064970W WO2013021720A1 WO 2013021720 A1 WO2013021720 A1 WO 2013021720A1 JP 2012064970 W JP2012064970 W JP 2012064970W WO 2013021720 A1 WO2013021720 A1 WO 2013021720A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
air conditioner
blower
blower fan
ion generator
Prior art date
Application number
PCT/JP2012/064970
Other languages
English (en)
Japanese (ja)
Inventor
宮崎　治仁
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Publication of WO2013021720A1 publication Critical patent/WO2013021720A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/078—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser combined with lighting fixtures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Definitions

  • the present invention relates to an air conditioner including an ion generator that discharges ions into the air by discharge and a blower fan.
  • Patent Documents 1 and 2 In recent years, air conditioners equipped with an ion generator that discharges ions into the air by discharge and a blower fan have become widespread, and related arts are disclosed in Patent Documents 1 and 2.
  • the ion generator described in Patent Document 1 is installed on a floor surface, for example, and ions are released into the room together with air from an air outlet provided on the upper surface of the main body case using an ion generator and a blower. As a result, ions can be distributed throughout the room.
  • the portable air blower described in Patent Document 2 is installed, for example, on a table.
  • an ion generator and a blower fan are used to collect ions together with air from an air outlet provided on the upper surface of the housing, which is the main body. Released. Since this portable blower can change the angle of the lid, which is a support, with respect to the housing, the blower outlet can be directed obliquely upward when it is installed on a table. Thereby, it is possible to emit ions to a limited region, for example, a region where a person exists.
  • any of the above-described conventional ion generators and portable air blowers discharges ions by discharge into the air downstream in the air flow direction with respect to the blower fan in the air passage. That is, discharge is performed to release ions at a position relatively close to the air outlet. This makes it easier for the user to hear the sound that is generated when discharging, which increases the possibility that the user will feel uncomfortable.
  • the present invention has been made in view of the above points, and makes it difficult for the user to hear the sound generated when discharging in order to release ions, thereby suppressing the user from feeling uncomfortable.
  • An object is to provide a possible air conditioner.
  • an air conditioner connects a blower unit having a housing provided with a suction port and a blower outlet, and the suction port and the blower outlet provided in the blower unit.
  • An air passage that is provided in the air passage and circulates air from the suction port toward the blowout port, and a blower fan that is provided adjacent to the air passage and that is provided in the air passage.
  • an ion generator that discharges ions into the air upstream in the air flow direction by discharge is provided.
  • the ion generation location of the air conditioner exists on the other side of the air blower with the blower fan separated. And since the sound which generate
  • an arm part provided with the air blowing part at one end, and a support part provided at the other end of the arm part to support the air blowing part and the arm part in an upright state, It is characterized by having.
  • the air blower approaches the face or the like, for example, according to the user's desire to directly bathe air containing a large amount of ions.
  • the blower reduces the volume of the sound during discharge, thereby making it difficult for the user to hear the sound even when the blower 2 approaches the face.
  • the air conditioner includes a connecting portion for enabling connection and disconnection between the one end of the arm portion on the support portion side and the support portion, and an air conditioner is installed as the support portion.
  • a connecting portion for enabling connection and disconnection between the one end of the arm portion on the support portion side and the support portion
  • an air conditioner is installed as the support portion.
  • Either one of a plane support part for placing and supporting on a surface and a tightening support part for fixing and supporting an air conditioner on the plate-like member by sandwiching the plate-like member is selected.
  • the arm portion is connected to one end of the arm portion on the support portion side.
  • the air conditioner is installed on, for example, a desk or table by using the flat support portion, and fixed to, for example, the bed frame by using the tightening support portion.
  • an operation unit for switching between power-on and power-off of the blower fan and the ion generator is provided in the blower unit.
  • the air blowing unit approaches the user's body, and thus the operation unit also approaches the user. Therefore, the user can easily operate the air conditioner.
  • a display unit for displaying an operation state of the blower fan and the ion generator is provided at a location on the opposite side of the blowout surface having the blowout port of the blower unit. It is said.
  • the lamps provided on the display unit are not suitable for the user. Therefore, the user's sleep discomfort is reduced.
  • the air conditioner having the above-described configuration includes a light source that is provided close to the air outlet on the air outlet surface having the air outlet of the air blowing unit and emits light in the same direction as the air outlet direction from the air outlet. It is characterized by that.
  • the light source is disposed closer to the arm portion than the air outlet.
  • the light source is located on the side close to the support portion, and the air outlet is located on the far side. Therefore, for example, if air containing a large amount of ions is blown toward the user's face, the user's hand becomes brighter.
  • the air conditioner having the above-described configuration includes a power plug and a battery, the blower fan and the ion generator are electrically connected only to the power plug, and the light source is electrically connected to the power plug and the battery. It is characterized by being connected.
  • the air conditioner can use illumination by a light source at the time of a power failure.
  • the air conditioner which can suppress that a user feels unpleasant about the sound at the time of discharge can be provided.
  • FIG. 6 is a side view of a tightening support portion of an air conditioner similar to FIG. 5 and shows a state of supporting in a direction different from FIG. 5.
  • FIG. 1 is a side view of the air conditioner
  • FIG. 2 is a front view of a blower unit of the air conditioner.
  • the air conditioner 1 includes a blower unit 2, an arm unit 3, and a support unit 4 that are main bodies as shown in FIG. 1.
  • the blower unit 2 has a housing 2 a provided with a suction port 5 and a blower port 6.
  • An ion generator 7 is disposed on the suction port 5 side in the housing 2a, and a blower fan 8 is disposed on the air outlet 6 side.
  • the light source 9 is arrange
  • the circuit board 10 for controlling the ion generator 7, the ventilation fan 8, and the light source 9 is provided in the arm part 3 side of the location in the housing
  • the arm part 3 is a hollow flexible member, and a blower part 2 is provided at one end thereof.
  • the inside of the arm part 3 communicates with the inside of the housing 2a of the blower part 2, and the power cord 11 extending from the circuit board 10 passes through the inside.
  • the power cord 11 is exposed to the outside on the other end side of the arm portion 3, and an AC adapter 12 and a power plug 13 are provided at the tip.
  • the air conditioner 1 is supplied with electric power from a commercial AC power source via a power plug 13 and an AC adapter 12 and is driven.
  • the support part 4 is provided in the edge part on the opposite side to the end in which the ventilation part 2 of the arm part 3 was provided.
  • the support unit 4 supports the air blowing unit 2 and the arm unit 3 in an upright state when the air conditioner 1 is placed on a desk, for example.
  • the aforementioned power cord 11 is exposed to the outside at the location of the support portion 4.
  • FIG. 3 is a vertical sectional side view of the air blower 2.
  • the white arrow drawn in FIG. 3 has shown the distribution
  • the suction port 5 is provided on the back side of the air blowing unit 2, and the air outlet 6 is provided on the front side of the air blowing unit 2.
  • the suction port 5 and the air outlet 6 are each provided with a plurality of small holes for communicating the inside and the outside of the housing 2a.
  • a cylindrical air passage 14 that connects the suction port 5 and the blowout port 6 is formed in the housing 2a.
  • An air filter 15 for collecting dust is disposed immediately inside the air inlet 14 of the air passage 14.
  • the blower fan 8 is an axial fan and is provided in the air passage 14.
  • the blower fan 8 has an intake port (not shown) that opens in the axial direction of the housing thereof facing the intake port 5, and an exhaust port (not shown) that opens on the opposite side of the axial direction with respect to the intake port. Is disposed to face the air outlet 6.
  • the air conditioner 1 circulates the external air sucked from the suction port 5 into the air passage 14 and blows air from the blowout port 6 as shown by the white arrow in FIG. Blow out toward the front side of part 2.
  • the ion generator 7 is disposed adjacent to the air passage 14 and upstream of the blower fan 8 in the air flow direction.
  • the ion generator 7 is packaged with an electrode used for discharge for discharging ions and other electronic components housed in a housing. And the ion generator 7 is accommodated so that attachment or detachment is possible with respect to the accommodating part (not shown) formed adjacent to the air path 14.
  • FIG. The ion generator 7 has a plurality of electrodes facing the air passage 14, and includes ions generated by discharge at the electrodes with respect to the air flowing through the air passage 14, as indicated by solid arrows in FIG. To release.
  • a voltage having an AC waveform or an impulse waveform is applied to the electrode of the ion generator 7.
  • the applied voltage of the electrode is a positive voltage
  • ions are combined with moisture in the air to generate positive ions mainly composed of H + (H 2 O) m.
  • the applied voltage of the electrode is a negative voltage
  • the ions are combined with moisture in the air to generate negative ions mainly composed of O 2 ⁇ (H 2 O) n.
  • m and n are arbitrary natural numbers.
  • H + (H 2 O) m and O 2 ⁇ (H 2 O) n aggregate around the surface of airborne bacteria and odorous components and surround them.
  • active species [ ⁇ OH] hydroxyl radicals
  • H 2 O 2 hydrogen peroxide
  • m ′ and n ′ are arbitrary natural numbers. Therefore, sterilization and odor removal in the vicinity of the user can be performed by generating positive ions and negative ions and blowing them out from the outlet 6.
  • positive ions and negative ions are generated by the ion generator 7.
  • negative ions may be generated.
  • the ion includes charged fine particle water.
  • the ion generator 7 consists of an electrostatic atomizer, and the charged fine particle water containing a radical component is produced
  • a negative high voltage is applied to the discharge electrode, charged fine particle water is generated from the dew condensation water.
  • negative ions released into the air together with the charged fine particle water are also generated from the discharge electrode.
  • the circuit board 10 is mounted with a control circuit for the air conditioner 1.
  • a light source 9 and an operation unit 16 are provided on the surface of the circuit board 10 on the front side of the blower unit 2. Both the light source 9 and the operation unit 16 are disposed on the blowing surface 2 b of the blower unit 2.
  • a display unit 17 is provided on the surface of the circuit board 10 on the back side of the blower unit 2.
  • the light source 9 includes, for example, three LEDs 9 a as shown in FIG. 2, and is provided on the outlet surface 2 b so as to be close to the outlet 6.
  • the light source 9 emits light in the same direction as the air blowing direction from the outlet 6.
  • the operation unit 16 includes, for example, a slide switch 16a as shown in FIG. 2, and is provided at a position on the arm unit 3 side with respect to the light source 9 on the blowout surface 2b.
  • a power-off state by “off” By sliding the slide switch 16a in the operation unit 16, a power-off state by “off”, an ion emission operation state by “ion”, an ion emission by “ion + illumination”, and an operation state of illumination on are selected. be able to.
  • the display unit 17 includes, for example, three LEDs 17 a and is provided on the back side of the blower unit 2 and on the opposite side of the light source 9 and the operation unit 16.
  • Each of the three LEDs 17a is turned on to display the operation states of the blower fan 8, the ion generator 7, and the light source 9, that is, the power-on state.
  • the circuit board 10 is provided with a battery 18 made of, for example, a button-type battery.
  • a light source 9 is electrically connected to the battery 18. That is, the blower fan 8 and the ion generator 7 are electrically connected only to the power plug 13 and the light source 9 is electrically connected to the power plug 13 and the battery 18 via the operation unit 16 and a control circuit (not shown). ing.
  • FIG. 4 is a vertical sectional side view of the plane support portion of the air conditioner 1
  • FIG. 5 is a side view of the tightening support portion of the air conditioner 1
  • FIG. 6 is a side view of the tightening support portion similar to FIG. Indicates a state of supporting in different directions.
  • the support part 4 of the air conditioner 1 can select and use either the plane support part 19 shown in FIGS. 1 and 4 or the tightening support part 20 shown in FIGS. 5 and 6.
  • the plane support part 19 is for supporting the air conditioner 1 on an installation surface such as a desk.
  • the tightening support portion 20 is for fixing and supporting the air conditioner 1 on the plate-like member 100 by sandwiching the plate-like member 100 with the clamp portion 20a.
  • the planar support portion 19 and the tightening support portion 20 may be collectively referred to as the support portion 4 unless otherwise specified.
  • the air conditioner 1 includes a connection portion 21 for enabling connection and disconnection between the support portion 4 and one end of the arm portion 3 on the support portion 4 side.
  • the connection portion 21 includes a connection block portion 22 formed at one end of the arm portion 3 on the support portion 4 side, and a recess 23 provided on the support portion 4 and receiving the connection block portion 22.
  • the recess 23 has a shape and a size capable of receiving the connection block portion 22.
  • connection block part 22 The left and right outer surfaces of the connection block part 22 are provided with claw parts 24 that can be displaced by elastic deformation in the lateral direction, that is, in the direction approaching or separating from the axis of the arm part 3.
  • locking portions 25 that engage with the claw portions 24 are provided on the left and right inner surfaces of the recess 23.
  • locking part 25 mutually engage by what is called a snap fit structure.
  • connection block portion 22 When connecting the arm part 3 to the support part 4, the part of the claw part 24 of the connection block part 22 is pinched with a finger, and the claw part 24 is displaced against the elastic force so as to approach the axis side of the arm part 3. Then, the connection block portion 22 is inserted into the recess 23. When the nail
  • the tightening support portion 20 shown in FIG. For example, as shown in FIG. 5, when the air conditioner 1 is fixed to the substantially horizontal plate-like member 100 such as a desk or table by the clamp portion 20a, the arm portion 3 is attached to the first recess portion 23a having the first locking portion 25a. Can be connected. On the other hand, as shown in FIG. 6, when the air conditioner 1 is fixed to the substantially vertical plate-like member 100 such as a bed frame by the clamp portion 20a, the arm portion 3 is attached to the second recess 23b having the second locking portion 25b. Can be connected.
  • the air conditioner 1 includes the ion generator 7 that discharges ions by discharge into the air upstream in the air flow direction with respect to the blower fan 8 in the air passage 14. It exists in the other side which separated the ventilation fan 8 with respect to the blower outlet 6. FIG. And the sound generated when discharging in order to release ions passes through the location of the blower fan 8 having a relatively small opening and reaches the outlet 6. Therefore, the air conditioner 1 can reduce the volume of the sound during discharge and make it difficult for the user to hear.
  • the air conditioner 1 is provided with the support part 4 which supports the air blower part 2 and the arm part 3 in an upright state, the air blower part, for example, on the face or the like according to the user's desire to directly bathe air containing a large amount of ions. 2 may approach.
  • the air conditioner 1 can make it difficult for the user to hear the sound even when the air blower 2 approaches the face by reducing the volume of the sound during discharge as described above.
  • the blower outlet 6 can be arrange
  • the air conditioner 1 is provided with the light source 9 which is provided in the blowing surface 2b of the ventilation part 2 adjacent to the blower outlet 6, and irradiates light in the same direction as the air blowing direction from the blower outlet 6.
  • the light source 9 is disposed closer to the arm portion 3 than the blowout port 6.
  • the air conditioner 1 includes a connection portion 21 for enabling connection and disconnection between the support portion 4 and one end of the arm portion 3 on the support portion 4 side. Further, the air conditioner 1 fixes the air conditioner 1 to the plate-like member 100 by sandwiching the plate-like member 100 and the plane support portion 19 for placing and supporting the air-conditioner 1 on the installation surface as the support portion 4. Then, either one of the tightening support portions 20 for supporting is selected and connected to one end on the support portion 4 side of the arm portion 3 via the connection portion 21. Thereby, the air conditioner 1 can be installed on a desk, a table, or the like, or fixed to a bed frame or the like, and can be used in various places.
  • the air blowing unit 2 when the air containing a large amount of ions is directly bathed, the air blowing unit 2 approaches the user's body, and the operation unit 16 also approaches the user. . Therefore, the air conditioner 1 can be easily operated by the user.
  • the display part 17 is provided in the location on the opposite side of the blowing surface 2b of the ventilation part 2 in the air conditioner 1, when the ion discharge
  • the light of LED17a provided in 17 is not suitable for a user. Therefore, it is possible to reduce discomfort during sleep of the user.
  • the blower fan 8 and the ion generator 7 are electrically connected only to the power plug 13, and the light source 9 is electrically connected to the power plug 13 and the battery 18.
  • the air conditioner 1 can use illumination by the light source 9 at the time of a power failure.
  • the present invention can be used in an air conditioner including a blower fan and an ion generator.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

L'invention porte sur un climatiseur (1), qui comporte : une unité de soufflante (2) ayant un boîtier (2a) comportant un orifice d'aspiration (5) et un orifice de décharge (6) ; un passage d'air (14) disposé à l'intérieur de l'unité de soufflante (2) et reliant l'orifice d'aspiration (5) et l'orifice de décharge (6) ; un ventilateur de soufflante (8) qui est disposé à l'intérieur du passage d'air (14) et qui fait circuler l'air à partir de l'orifice d'aspiration (5) vers l'orifice de décharge (6) ; et un dispositif de génération d'ions (7) qui est disposé au voisinage du passage d'air (14), et qui, à l'aide d'une décharge électrique, émet des ions dans l'air du côté amont dans la direction de circulation d'air par rapport au ventilateur de soufflante (8) dans le passage d'air (14).
PCT/JP2012/064970 2011-08-05 2012-06-12 Climatiseur WO2013021720A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-171587 2011-08-05
JP2011171587A JP2013037835A (ja) 2011-08-05 2011-08-05 空調機

Publications (1)

Publication Number Publication Date
WO2013021720A1 true WO2013021720A1 (fr) 2013-02-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/064970 WO2013021720A1 (fr) 2011-08-05 2012-06-12 Climatiseur

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JP (1) JP2013037835A (fr)
CN (1) CN202927962U (fr)
WO (1) WO2013021720A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000018085A1 (it) * 2020-07-27 2022-01-27 Andrea Cagni Diffusore di aria pulita con doppia emissione e sistema di ricambio aria corrispondente

Citations (9)

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Publication number Priority date Publication date Assignee Title
US5403383A (en) * 1992-08-26 1995-04-04 Jaisinghani; Rajan Safe ionizing field electrically enhanced filter and process for safely ionizing a field of an electrically enhanced filter
JPH08288073A (ja) * 1995-04-17 1996-11-01 Nippon B T Ee Kk 非常灯機能を備えた常夜灯
US5982102A (en) * 1995-04-18 1999-11-09 Strainer Lpb Aktiebolag Device for transport of air and/or cleaning of air using a so called ion wind
US20050117325A1 (en) * 2003-11-14 2005-06-02 Hsieh Hsin-Mao Desk lamp with function of generating negative ions
JP2007196152A (ja) * 2006-01-27 2007-08-09 Matsushita Electric Ind Co Ltd 集塵フィルタおよび集塵装置および空調装置
JP3149310U (ja) * 2008-05-28 2009-03-26 滋 飯嶋 携帯型マイナスイオン冷，温風吸引器
JP2009087766A (ja) * 2007-09-28 2009-04-23 Panasonic Electric Works Co Ltd スタンド型照明器具
JP2009139068A (ja) * 2007-12-11 2009-06-25 Panasonic Corp 除電機能付換気装置
JP2012117789A (ja) * 2010-12-03 2012-06-21 Mitsubishi Electric Corp 空気調和装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5403383A (en) * 1992-08-26 1995-04-04 Jaisinghani; Rajan Safe ionizing field electrically enhanced filter and process for safely ionizing a field of an electrically enhanced filter
JPH08288073A (ja) * 1995-04-17 1996-11-01 Nippon B T Ee Kk 非常灯機能を備えた常夜灯
US5982102A (en) * 1995-04-18 1999-11-09 Strainer Lpb Aktiebolag Device for transport of air and/or cleaning of air using a so called ion wind
US20050117325A1 (en) * 2003-11-14 2005-06-02 Hsieh Hsin-Mao Desk lamp with function of generating negative ions
JP2007196152A (ja) * 2006-01-27 2007-08-09 Matsushita Electric Ind Co Ltd 集塵フィルタおよび集塵装置および空調装置
JP2009087766A (ja) * 2007-09-28 2009-04-23 Panasonic Electric Works Co Ltd スタンド型照明器具
JP2009139068A (ja) * 2007-12-11 2009-06-25 Panasonic Corp 除電機能付換気装置
JP3149310U (ja) * 2008-05-28 2009-03-26 滋 飯嶋 携帯型マイナスイオン冷，温風吸引器
JP2012117789A (ja) * 2010-12-03 2012-06-21 Mitsubishi Electric Corp 空気調和装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000018085A1 (it) * 2020-07-27 2022-01-27 Andrea Cagni Diffusore di aria pulita con doppia emissione e sistema di ricambio aria corrispondente
WO2022023884A1 (fr) * 2020-07-27 2022-02-03 Cagni Andrea Terminal de diffusion d'air pur pourvu d'une double émission et système d'échange d'air correspondant

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CN202927962U (zh) 2013-05-08
JP2013037835A (ja) 2013-02-21

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