US20100248612A1 - Device for ventilating and air-conditioning bathroom - Google Patents

Device for ventilating and air-conditioning bathroom Download PDF

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Publication number
US20100248612A1
US20100248612A1 US12/739,771 US73977108A US2010248612A1 US 20100248612 A1 US20100248612 A1 US 20100248612A1 US 73977108 A US73977108 A US 73977108A US 2010248612 A1 US2010248612 A1 US 2010248612A1
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United States
Prior art keywords
air
bathroom
main body
ventilating
conditioning system
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
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US12/739,771
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English (en)
Inventor
Masafumi Tsubouchi
Mitunori Matubara
Yuuji Sugata
Kei Takeshita
Yoshimasa Katsumi
Yoshihiro Nishizuru
Kazuhiro Saitou
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Panasonic Corp
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Panasonic Corp
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Assigned to PANASONIC CORPORATION reassignment PANASONIC CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KATSUMI, YOSHIMASA, SUGATA, YUUJI, MATUBARA, MITUNORI, NISHIZURU, YOSHIHIRO, SAITOU, KAZUHIRO, TAKESHITA, KEI, TSUBOUCHI, MASAFUMI
Publication of US20100248612A1 publication Critical patent/US20100248612A1/en
Abandoned legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/002Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
    • F24F12/003Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid using a heat pump
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units

Definitions

  • the present invention relates to a bathroom ventilating air-conditioning system ventilating and air-conditioning such as a bathroom using a heat pump.
  • a heat pump part including a compressor and a heat exchanger is placed integrally in the main body, which is disposed on the ceiling surface of a bathroom, and an air inlet and an air outlet are formed in the bathroom.
  • the ceiling surface of the bathroom has a grill provided thereon for covering the air inlet and air outlet.
  • a heat exchanger placed in the main body discharges and absorbs heat to and from air in the bathroom to air-condition the bathroom, and a ventilating blower placed in the main body ventilates the bathroom.
  • a bathroom ventilating air-conditioning system in which the heat pump is separated into an outdoor unit and an indoor unit; a heat exchanger provided in the outdoor unit discharges and absorbs heat to and from outside air; and a heat exchanger provided in the indoor unit discharges and absorbs heat to and from air in the bathroom to air-condition the bathroom.
  • the system ventilates the bathroom by means of a ventilating blower provided in the outdoor unit without recovering heat from air in the bathroom.
  • the heat pump is placed separately in the bathroom and outdoors, and thus the units need to be piped between the bathroom and the outdoors (refer to patent literature 2 for instance).
  • an opening communicating with the outdoors is provided in an external wall, and the outdoor unit of the air-conditioner is placed facing the outdoors through the opening in the underfloor space.
  • an air-conditioner is disposed efficiently while maintaining the efficiency of intake and exhaust of the air-conditioner. Further, with an outdoor unit not placed outdoors, the appearance of the house looks neat (refer to patent literature 3 for instance).
  • Patent literature 1 Japanese Patent Unexamined Publication No. H05-231675
  • Patent literature 2 Japanese Patent Unexamined Publication No. 2002-349930
  • Patent literature 3 Japanese Patent Unexamined Publication No. 2006-22988
  • the present invention provides a bathroom ventilating air-conditioning system including a first air inlet open to a bathroom; a main body for conditioning air drawn in through the first air inlet; and a first air outlet open to the bathroom.
  • the system air-conditions the bathroom by circulating air between the bathroom and the main body.
  • the main body is installed in an indoor space other than on the ceiling surface of the bathroom.
  • the first air inlet is connected to the main body through the first air inlet duct, and the main body is connected to the first air outlet through the first circulating duct.
  • FIG. 1 is a sketch of a living space where a bathroom ventilating air-conditioning system according to the first exemplary embodiment of the present invention is installed.
  • FIG. 2 shows a configuration for installing the main body of a bathroom ventilating air-conditioning system according to the second exemplary embodiment of the present invention.
  • FIG. 3 is an air path block diagram and refrigerant circuit diagram of a bathroom ventilating air-conditioning system according to the third exemplary embodiment of the present invention.
  • FIG. 4 shows an installation pattern of a bathroom ventilating air-conditioning system according to the fourth exemplary embodiment of the present invention.
  • FIG. 1 is a sketch of a living space where a bathroom ventilating air-conditioning system according to the first exemplary embodiment of the present invention is installed.
  • Indoor living space 1 is partitioned such as into living room 2 , bathroom 3 , undressing room 4 , and toilet 5 .
  • An under-roof space or underfloor space of other than bathroom 3 has main body 6 of the system installed therein.
  • Main body 6 has exhaust duct 7 , first air inlet duct 9 , first circulating duct 11 , second air inlet duct 13 , second circulating duct 15 , third air inlet duct 17 , and third circulating duct 19 , all connected thereto.
  • exhaust duct 7 makes main body 6 communicate with the outdoors; first air inlet duct 9 makes first air inlet 8 open to bathroom 3 communicate with main body 6 ; and first circulating duct 11 makes first air outlet 10 open to bathroom 3 communicate with main body 6 .
  • Second air inlet duct 13 makes second air inlet 12 open to undressing room 4 communicate with main body 6 ; and second circulating duct 15 makes second air outlet 14 open to undressing room 4 communicate with main body 6 .
  • third air inlet duct 17 makes third air inlet 16 open to toilet 5 communicate with main body 6 ; third circulating duct 19 makes third air outlet 18 open to toilet 5 communicate with main body 6 .
  • Main body 6 conditions air drawn in from first air inlet 8 . Then, the system circulates the air to bathroom 3 and main body 6 to air-condition bathroom 3 .
  • main body 6 has circulating fan 20 disposed therein.
  • First air inlet duct 9 making bathroom 3 communicate with main body 6 is connected to the inlet side of circulating fan 20 ; and first circulating duct 11 , to the air outlet side of circulating fan 20 .
  • operating circulating fan 20 causes air in bathroom 3 to be drawn in from first air inlet 8 to circulating fan 20 through first air inlet duct 9 , and to be blown out from first air outlet 10 to bathroom 3 through first circulating duct 11 .
  • main body 6 has ventilating fan 21 disposed therein.
  • Exhaust duct 7 making the outdoors communicate with main body 6 is connected to the air outlet side of ventilating fan 21 ; second air inlet duct 13 making undressing room 4 communicate with main body 6 and third air inlet duct 17 making toilet 5 communicate with main body 6 are connected to the inlet side of ventilating fan 21 .
  • operating ventilating fan 21 causes the air in undressing room 4 and toilet 5 to be drawn in from second air inlet 12 and third air inlet 16 to ventilating fan 21 respectively through second air inlet duct 13 and third air inlet duct 17 , and to be discharged outdoors through exhaust duct 7 .
  • Continuously running ventilating fan 21 develops a negative pressure in living space 1 , and thus fresh outside air is supplied through air supply inlet 22 open in the wall of living room 2 (an indoor space) facing the outdoors, thereby ventilating living space 1 (ventilating operation).
  • This ventilating operation needs to be performed continuously for a building with high hermeticity (24-hour ventilation), and thus ventilating fan 21 is continuously operated so that a predetermined amount (e.g. approximately a half volume of living space 1 per hour) of air ventilation is secured.
  • Living room 2 has air-conditioner 23 placed therein for controlling the room temperature, which appropriately maintains the room temperature through cooling operation in summer and heating operation in winter.
  • living room 2 is maintained within a given temperature range through cooling in summer and heating in winter by air-conditioner 23 .
  • air conditioned between 20° C. and 30° C. is drawn in to second air inlet 12 and third air inlet 16 to through louvers and/or undercut parts of door 24 to undressing room 4 and of door 25 to toilet 5 , and then discharged outdoors through main body 6 of the system.
  • main body 6 has other-room fan 26 disposed therein, and second circulating duct 15 making undressing room 4 communicate with main body 6 and third circulating duct 19 making toilet 5 communicate with main body 6 are connected to the air outlet side of other-room fan 26 .
  • running other-room fan 26 causes air conditioned by main body 6 to be discharged from second air outlet 14 to undressing room 4 through second circulating duct 15 .
  • the air conditioned by main body 6 is to be discharged from third air outlet 18 to toilet 5 through third circulating duct 19 .
  • main body 6 can be installed somewhere to air-condition bathroom 3 even if there is no installation space near bathroom 3 .
  • a decrease of constraints on the outside dimension and shape of main body 6 increases flexibility in designing the main body.
  • Bathroom 3 needs to be provided only with first air inlet 8 and first air outlet 10 , and thus designing the inside of bathroom 3 is simplified.
  • FIG. 2 shows a configuration for installing the main body of a bathroom ventilating air-conditioning system according to the second embodiment of the present invention, in a state where main body 6 of the system is installed under floor. Main body 6 is installed underneath installation/inspection opening 28 provided in floor surface 27 .
  • Top panel 6 a of main body 6 is provided with power supply connector 29 and service port 6 b . Hence, opening installation/inspection opening 28 when installing or servicing main body 6 allows the power supply to be connected or removed easily.
  • Service part 30 such as a filter is disposed where it is detachable from top panel 6 a of main body 6 through service port 6 b .
  • opening installation/inspection opening 28 when servicing main body 6 allows service part 30 to be easily maintained through service port 6 b provided in top panel 6 a of main body 6 .
  • main body 6 can be placed by bringing main body 6 down in the gravitational direction through installation/inspection opening 28 in installation construction, allowing main body 6 to be installed easily.
  • FIG. 3 is an air path block diagram and refrigerant circuit diagram of a bathroom ventilating air-conditioning system according to the third embodiment of the present invention.
  • the inside of main body 6 of the system has circulating fan 20 , ventilating fan 21 , and other-room fan 26 disposed therein.
  • circulating fan 20 draws in air through first air inlet duct 9 communicating with bathroom 3 and blows out the air to bathroom 3 through first circulating duct 11 .
  • Ventilating fan 21 draws in air through second air inlet duct 13 communicating with a space (e.g. undressing room 4 ) other than bathroom 3 ; and third air inlet duct 17 communicating with toilet 5 , and then discharges the air outdoors through exhaust duct 7 .
  • Other-room fan 26 sends air to such as an underfloor space through other-room supply duct 37 .
  • the inside of main body 6 has refrigerant circuit 31 built therein, where circuit 31 is filled with a refrigerant such as any one of an HCFC refrigerant (contains atoms of chlorine, hydrogen, fluorine, and carbon in its molecules); an HFC refrigerant (contains atoms of hydrogen, carbon, and fluorine in its molecules); and a natural refrigerant (e.g. hydrocarbon, carbon dioxide), and is piped so that the refrigerant circulates.
  • a refrigerant such as any one of an HCFC refrigerant (contains atoms of chlorine, hydrogen, fluorine, and carbon in its molecules); an HFC refrigerant (contains atoms of hydrogen, carbon, and fluorine in its molecules); and a natural refrigerant (e.g. hydrocarbon, carbon dioxide), and is piped so that the refrigerant circulates.
  • a refrigerant such as any one of an HCFC refrigerant (contains atom
  • Refrigerant circuit 31 has flow path changing valve 36 disposed therein changing between two types of paths.
  • One is a path (heating cycle, hereinafter) through which a refrigerant compressed by compressor 32 passes in order of first heat exchanger 33 , expansion mechanism 34 , and second heat exchanger 35 , and then returns to compressor 32 .
  • the other is a path (cooling cycle, hereinafter) through which a refrigerant compressed by compressor 32 passes in order of second heat exchanger 35 , expansion mechanism 34 , first heat exchanger 33 , and then returns to compressor 32 .
  • first heat exchanger 33 a refrigerant discharges and absorbs heat to and from air in bathroom 3 circulated by circulating fan 20 .
  • second heat exchanger 35 a refrigerant discharges and absorbs heat to and from air discharged outdoors by ventilating fan 21 .
  • the air conditioned after passing through first heat exchanger 33 is supplied to a space (e.g. undressing room 4 , toilet 5 ) other than bathroom 3 , or to an underfloor space.
  • a space e.g. undressing room 4 , toilet 5
  • the air is supplied to undressing room 4 through second circulating duct 15 ; to toilet 5 through third circulating duct 19 ; and to an underfloor space through other-room supply duct 37 .
  • First air inlet duct 9 , second air inlet duct 13 , and third air inlet duct 17 are respectively provided with first damper 38 , second damper 39 , and third damper 40 , each changing an air path.
  • the dampers allow changing the destination of air drawn in from bathroom 3 , undressing room 4 , and toilet 5 , selectively to second heat exchanger 35 or first heat exchanger 33 .
  • Exhaust duct 7 is provided with fourth damper 41 for changing an air path, which allows changing whether or not air is discharged outdoors.
  • First circulating duct 11 , second circulating duct 15 , third circulating duct 19 , and other-room supply duct 37 are respectively provided with fifth damper 42 , sixth damper 43 , seventh damper 44 , and eighth damper 45 , each changing an air path.
  • Operating the dampers allows air conditioned by first heat exchanger 33 to be supplied selectively to bathroom 3 , undressing room 4 , toilet 5 , and an underfloor space.
  • fifth damper 42 , sixth damper 43 , seventh damper 44 , and eighth damper 45 are provided for changing a path of air drawn in from first air inlet 8 after the air has undergone heating, cooling, or reheat-dehumidifying to supply the air selectively to bathroom 3 or another space.
  • Air is drawn in to main body 6 through first air inlet 8 , second air inlet 12 , and third air inlet 16 ; undergoes heating, cooling, or reheat-dehumidifying; and is supplied to bathroom 3 and another space.
  • First damper 38 , second damper 39 , and third damper 40 are provided for changing an air path to that through which air is drawn in from first air inlet 8 , second air inlet 12 , and third air inlet 16 to main body 6 ; the air undergoes heating, cooling, or reheat-dehumidifying; and the air is supplied to bathroom 3 and another space.
  • Main body 6 is provided with ninth damper 46 enabling the air path separating between second heat exchanger 35 and first heat exchanger 33 to open. Opening ninth damper 46 allows air having passed through second heat exchanger 35 to be supplied to first heat exchanger 33 for reheating dehumidification.
  • First damper 38 is thus provided for introducing air drawn in from first air inlet 8 to first heat exchanger 33 after the air is introduced to second heat exchanger 35 and is passed through it.
  • Dry air produced by reheat-dehumidifying air in bathroom 3 may be supplied to bathroom 3 through the process in which first damper 38 is opened; circulating fan 20 makes air drawn in through first air inlet 8 pass through second heat exchanger 35 ; and then the air is introduced to first heat exchanger 33 and is passed through it.
  • Other-room fan 26 may blow out air drawn in from first air inlet 8 to a space other than bathroom 3 after the air has undergone heating, cooling, or reheat-dehumidifying, and the air may be distributed to bathroom 3 and another space.
  • the air having undergone heating, cooling, or reheat-dehumidifying may be supplied to an underfloor space and under-roof space of other than bathroom 3 .
  • a refrigerant absorbs heat from air in a space other than bathroom 3 discharged outdoors by ventilating fan 21 at second heat exchanger 35 . Then, at first heat exchanger 33 , the refrigerant discharges heat to air circulated in bathroom 3 by circulating fan 20 to operate a heat pump to heat bathroom 3 .
  • Running other-room fan 26 enables heating undressing room 4 , toilet 5 , and an underfloor space as well.
  • first damper 38 second damper 39 , third damper 40 , fifth damper 42 , sixth damper 43 , seventh damper 44 , and eighth damper 45 allows drawing in and discharging from and to only desired spaces, and heating only desired spaces.
  • a refrigerant discharges heat to air in a space other than bathroom 3 discharged outdoors by ventilating fan 21 ; and at first heat exchanger 33 , the refrigerant absorbs heat from air circulated by circulating fan 20 to operate a heat pump to allow cooling bathroom 3 .
  • Running other-room fan 26 allows cooling undressing room 4 , toilet 5 , and an underfloor space.
  • first damper 38 second damper 39 , third damper 40 , fifth damper 42 , sixth damper 43 , seventh damper 44 , and eighth damper 45 allows drawing in and discharging from and to only desired spaces, and cooling only desired spaces.
  • Air heat-exchanged by second heat exchanger 35 is supplied to first heat exchanger 33 to undergo reheating dehumidification, and supplied to bathroom 3 by circulating fan 20 , allowing bathroom 3 to be dehumidified.
  • Running other-room fan 26 allows reheat-dehumidifying undressing room 4 , toilet 5 , and an underfloor space.
  • first damper 38 second damper 39 , third damper 40 , fifth damper 42 , sixth damper 43 , seventh damper 44 , and eighth damper 45 allows drawing in and discharging from and to only desired spaces, and dehumidifying only desired spaces.
  • FIG. 4 shows an installation pattern of a bathroom ventilating air-conditioning system according to the fourth embodiment of the present invention.
  • Main body 6 of the system is installed under the floor of undressing room 4 .
  • Floor surface 27 of undressing room 4 provided therein with installation/inspection opening 28 , allows main body 6 to be installed while being brought down in the gravitational direction from floor surface 27 to installation/inspection opening 28 .
  • FIG. 4 shows a case where main body 6 is installed in the underfloor space of undressing room 4 .
  • the installation location is not limited to this space, but may be any place as long as it is an underfloor space where installation/inspection opening 28 can be provided.
  • Main body 6 is connected to the outdoors through exhaust duct 7 , and thus does not need to be disposed in an underfloor space facing an opening making an underfloor space communicate with the outdoors.
  • Top panel 6 a main body 6 is provided thereon with power supply connector 29 , which allows a power supply to be easily connected through installation/inspection opening 28 in construction. The power supply can be easily removed when needed in servicing.
  • Service port 6 b provided in top panel 6 a of main body 6 , allows easy work (e.g. care of a filter) through installation/inspection opening 28 in servicing.
  • Exhaust duct 7 , first air inlet duct 9 , first circulating duct 11 , second air inlet duct 13 , second circulating duct 15 , third air inlet duct 17 , third circulating duct 19 are all disposed between an underfloor space or bathroom 3 and the external wall of living space 1 ; and in a under-roof space. Then, main body 6 is made communicate with bathroom 3 , undressing room 4 , and toilet 5 to allow air to be drawn in from the rooms to main body 6 , and thus conditioned air having undergone heating, cooling, or reheat-dehumidifying by main body 6 can be supplied to the rooms.
  • Other-room supply duct 37 allows supplying conditioned air having undergone heating, cooling, or reheat-dehumidifying by main body 6 to an underfloor space. Particularly, as a result that conditioned air having undergone reheat-dehumidifying is supplied to an underfloor space near a water-using device, a space near water that is particularly subject to moisture to cause condensation in the underfloor space, thereby preventing condensation and mold from occurring under floor.
  • a bathroom ventilating air-conditioning system can thus air-condition bathroom 3 , undressing room 4 , toilet 5 , and an underfloor space. Supplying reheat-dehumidified air to an underfloor space prevents condensation from occurring near a water-using device to suppress mold.
  • the description is made of a bathroom, undressing room, and toilet, for instance, as a space to be mainly ventilated and air-conditioned, but an indoor space corresponding to any of them may be chosen with no difference in the effect.
  • a heat source based on a refrigeration cycle for increasing temperature in heating; however, it does not need to be based on a refrigeration cycle for a bathroom ventilating air-conditioning system only for heating.
  • hot-water method circululates hot water to increase the air temperature
  • a heating element e.g. electric heater
  • a refrigeration cycle is desirably used as a heat source. This enables efficient heating and implements all the functions presented in the embodiments of the present invention.
  • a bathroom ventilating air-conditioning system of the present invention is applicable to ventilating and air-conditioning not only of a bathroom but of a living room, bedroom, kitchen, washroom, and the like.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Central Heating Systems (AREA)
  • Duct Arrangements (AREA)
US12/739,771 2007-11-19 2008-11-18 Device for ventilating and air-conditioning bathroom Abandoned US20100248612A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007299018A JP2009121793A (ja) 2007-11-19 2007-11-19 浴室換気空調装置
JP2007-299018 2007-11-19
PCT/JP2008/003357 WO2009066440A1 (fr) 2007-11-19 2008-11-18 Dispositif de ventilation et de climatisation d'une salle de bain

Publications (1)

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US20100248612A1 true US20100248612A1 (en) 2010-09-30

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US12/739,771 Abandoned US20100248612A1 (en) 2007-11-19 2008-11-18 Device for ventilating and air-conditioning bathroom

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US (1) US20100248612A1 (fr)
JP (1) JP2009121793A (fr)
CN (1) CN101868674A (fr)
CA (1) CA2704014A1 (fr)
TW (1) TW200930956A (fr)
WO (1) WO2009066440A1 (fr)

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CN104808725A (zh) * 2015-03-08 2015-07-29 中南林业科技大学 一种基于百叶窗的浴室通风控制方法
KR102334744B1 (ko) * 2017-03-06 2021-12-02 엘지전자 주식회사 욕실관리기
CN107514719A (zh) * 2017-09-04 2017-12-26 青岛理工大学 一种用于小型浴室加热通风除湿一体机
CN112539536B (zh) * 2020-12-03 2022-09-06 青岛海尔空调器有限总公司 一种浴室用智能空调及其控制系统、控制方法
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WO2009066440A1 (fr) 2009-05-28
TW200930956A (en) 2009-07-16
CA2704014A1 (fr) 2009-05-28
JP2009121793A (ja) 2009-06-04

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