WO2016030774A1 - Dispositif pour une ambiance climatisée et procédé associé - Google Patents

Dispositif pour une ambiance climatisée et procédé associé Download PDF

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Publication number
WO2016030774A1
WO2016030774A1 PCT/IB2015/053812 IB2015053812W WO2016030774A1 WO 2016030774 A1 WO2016030774 A1 WO 2016030774A1 IB 2015053812 W IB2015053812 W IB 2015053812W WO 2016030774 A1 WO2016030774 A1 WO 2016030774A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
bed sheet
climate controlled
control unit
providing
Prior art date
Application number
PCT/IB2015/053812
Other languages
English (en)
Inventor
Kabir BHANDARI
Radu GOGOANA
Original Assignee
Padmini Vna Mechatronics Pvt. Ltd.
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 Padmini Vna Mechatronics Pvt. Ltd. filed Critical Padmini Vna Mechatronics Pvt. Ltd.
Publication of WO2016030774A1 publication Critical patent/WO2016030774A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/04—Devices for ventilating, cooling or heating
    • A47C21/048—Devices for ventilating, cooling or heating for heating
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/04—Devices for ventilating, cooling or heating
    • A47C21/042—Devices for ventilating, cooling or heating for ventilating or cooling
    • A47C21/044—Devices for ventilating, cooling or heating for ventilating or cooling with active means, e.g. by using air blowers or liquid pumps

Definitions

  • the present invention relates to a device for providing a climate controlled ambience around the user and method thereof. More particularly, the present invention relates to a climate controlled bed sheet and method thereof to provide a comfortable ambience to the user. Further, the present invention discloses economically advantageous methods for achieving a comfortable climate for the user in adverse environmental conditions like hot, cold or humid weather.
  • a sound sleep in a thermally comfortable environment is an important process for the mental and physical health of a person. Maintaining an appropriate ambient temperature, suitable for human beings in a closed environment, is a task that involves resources, installation of special apparatus and electricity expenditures to name a few.
  • conventional methods of climate control may be noisy, unsuitable for one or more other occupants, or unsafe. The situation is even critical in an open environment, such as outdoor sleeping.
  • US Patent No. 8065763 describes an air conditioned bed with air chambers in a cushion or mattress and a cooling device.
  • the main disadvantage with this method is that individuals have a preference for various types of mattresses, some of which are incompatible with this cooling system, due to many reasons including health.
  • the invention is not portable.
  • US Patent No. 7509998 discloses an apparatus and method for modifying the temperature and aromatically conditioning the air and surfaces within a bed environment.
  • the invention is a self-contained, forced air bed warmer or bed warmer/cooler and aromatic infuser which pre-heats, pre-cools and infuses aromatic influences into the interior sheets and covers of a bed to provide a controlled micro-environment that facilitates relaxation into restful sleep on cold or hot nights.
  • the main disadvantage with this device is that it used for 'pre-conditioning' purposes and cannot be continued while the user is sleeping.
  • a device and method for obviating the disadvantages associated with the state of the art methods There is a need for such device which is economical, portable, easy to install, suited for all environments and produces the least noise possible, and is more energy efficient than conventional methods.
  • the main object of the disclosed invention is to provide a device for providing a climate controlled ambience around the user.
  • Yet another main object of the proposed invention is to a method for providing a climate controlled ambience around the user.
  • Yet another object of the invention is to provide a climate controlled bed sheet and method thereof to provide convenient ambience to the user.
  • Yet another object of the invention is to provide an economically advantageous method for achieving the convenient climate in adverse environmental conditions like hot, cold or humid weather.
  • Yet another object of the proposed invention is to minimize the power consumed in cooling devices in a household.
  • Yet another object of the proposed invention is to provide a device and method to obviate the disadvantages associated with conventional devices and methods for cooling.
  • Still another object of the proposed invention is to provide an alternative to state of the art devices for cooling.
  • the present invention relates to a device for providing a climate controlled ambience around the user and method thereof. More particularly, the present invention relates to a climate controlled bed sheet and method thereof to provide comfortable ambience to the user. Further, the present invention discloses economically advantageous methods for achieving the convenient climate in adverse environmental conditions like hot, cold or humid weather.
  • the said device for providing a climate controlled ambience comprises of a temperature control unit and a bed sheet.
  • the temperature control unit of the invention provides conditioned air which is then facilitated through a preferred flow direction.
  • the conditioning of the air is achieved by either a thermoelectric air conditioner or heat pump, vapor-compression based air conditioner or heat pump, evaporative cooler, resistive-based electrical heater, adsorption cooler, absorption cooler, evaporative cooler, or heat pump.
  • the invention further relates to a climate controlled bed sheet having a proximal end and a distal end where the proximal end is normally at the foot of the body and the distal end is near the head of the user.
  • the bed sheet consists of a non-permeable cloth that covers the body, directing the flow of conditioned air, received at proximal end from said unit, around the body, in order to allow the conditioned air to exit at distal end, i.e., near the head of the user.
  • the said bed sheet has the means to facilitate the preferred direction of air flow.
  • conditioned air is pumped underneath the bed sheet from proximal end in one or more directions, preferably towards the distal end. This creates a positive pressure underneath the bed sheet.
  • the positive pressure underneath the bed sheet provided by the flow of conditioned air, serves to lift the bed sheet away from some areas of the body.
  • the side edges of the bed sheet are weighted in order to prevent fluttering, and to keep the conditioned air trapped underneath the bed sheet, allowing it to only exit near the head of the body of the user, in the desired direction of airflow.
  • the device comprises a temperature control unit, a means for facilitation and maintenance of air flow, and a specially designed sheet, with the aforementioned features.
  • the said unit is the main source of conditioned air and predominantly comprises of a blower fan, cooling means, heat exchangers, and a power supply.
  • the means for facilitation and maintenance of air flow comprises of an air delivery system which directs air from the unit, to underneath the bed sheet.
  • the sheet is a purpose-built non-permeable bed sheet, which, when in use, inflates slightly due to the air flow underneath it, and directs the conditioned air around the body.
  • the device comprises a temperature control unit and a bed sheet, connected to the unit at proximal end.
  • the temperature control unit is the main source of conditioned air and predominantly comprises a blower fan, evaporator coil, and condenser coil as cooling means, heat exchangers, and a power supply.
  • the device and the sheet are arranged in such a manner so as to facilitate and maintain air flow from the unit, to underneath the bed sheet.
  • the sheet is a non-permeable bed sheet, which, when in use inflates slightly due to the air flow underneath it, and directs the conditioned air around the body.
  • the device is capable of providing hot as well as cold air as per the requirements of the user in different environmental conditions.
  • the device is portable, and does not require any special skill or professional certification for safe installation. As all electrical components are outside of the bed, and only warmed/cooled air enters the bed area, concerns of electrical safety, such as electrocution or burns, are alleviated. This is in contrast to heated blankets, which have active electrical components inside the bed, very close to the user, and have led to incidents of electrocution or burning.
  • the "hot side" of the cooling system i.e. the waste heat that is generated from the cooling process, is very small compared to conventional room air conditional, because the heat load for cooling, and therefore the power consumption, is relatively small.
  • the waste heat is typically discharged directly into the room, providing a nominal temperature increase of 1-2 °C, or vented out of the room through a house.
  • Fig. 1 depicts the invention showing the temperature controlling component as well as the climate controlled bed sheet.
  • Fig. 2 is the invention in use, with bed sheet inflated due to positive pressure created by the air flow underneath it.
  • Fig. 3(a) shows a view of the temperature control unit, using thermoelectric modules according to an embodiment of the invention.
  • Fig. 3(b) shows an outer view of the temperature control unit according to an embodiment of the invention.
  • Fig. 3(c) shows a side view of the temperature control unit of the invention.
  • Fig. 4 is Computational Fluid Dynamics model of the airflow through the temperature control unit, using thermo-electric (Peltier) modules.
  • Fig. 5(a) is a Side view of the Air flow underneath the bed sheet according to an embodiment of the present invention.
  • Fig. 5(b) is a Top view of the Air flow underneath the bed sheet according to an embodiment of the present invention.
  • Fig. 6(a) is a Side view of the Air flow underneath the bed sheet according to another embodiment of the present invention.
  • Fig. 6(b) is a Top view of the Air flow underneath the bed sheet according to another embodiment of the present invention.
  • Fig. 6(c) is a front view of the Air flow underneath the bed sheet according to another embodiment of the present invention.
  • Fig. 7(a) is the invention according to alternate embodiment showing a plan view of the temperature control unit as well as the climate controlled bed sheet.
  • Fig. 7(b) is the invention according to alternate embodiment showing a sectional view of the temperature control unit as well as the climate controlled bed sheet.
  • Fig. 8(a) is the invention according to another alternate embodiment showing a plan view of the temperature control unit as well as the climate controlled bed sheet.
  • Fig. 8(b) is the invention according to another alternate embodiment showing a sectional view of the temperature control unit as well as the climate controlled bed sheet.
  • Fig. 9(a) shows an outer view of the temperature control unit according to an alternate embodiment of the invention.
  • Fig. 9(b) shows a partial sectional view of the temperature control unit according to an alternate embodiment of the invention.
  • Fig. 9(c) shows an outer view of the temperature control unit according to an alternate embodiment of the invention.
  • Fig. 10 shows airflow within the temperature control unit according to an alternate embodiment of the invention.
  • Fig. 11(a) shows a partial sectional view of the temperature control unit according to an alternate embodiment of the invention elucidating position of air mixing flaps for a full cold proportion of air temperature.
  • Fig. 11(b) shows a partial sectional view of the temperature control unit according to an alternate embodiment of the invention elucidating position of air mixing flaps for proportional mixing of hot and cold air.
  • Fig. 11(c) shows a partial sectional view of the temperature control unit according to an alternate embodiment of the invention elucidating position of air mixing flaps for full heat proportion of air temperature.
  • Fig. 12(a) shows airflow through the foot pocket of the bed sheet according to an embodiment.
  • Fig. 12(b) and Fig. 12(c) show airflow and coverage of gap between bed and temperature control unit by the foot pocket of the bed sheet for variable-height beds.
  • Fig. 13 shows means for securing the foot pocket of the bed sheet in the desired position.
  • Fig. 14(a) and Fig. 14(b) show a convertible bed sheet with sides secured and folded inwardly.
  • the present invention relates to a device for providing a climate controlled ambience around the user and method thereof.
  • the said device for providing climate controlled ambience comprises of a temperature control unit and a purpose built bed sheet.
  • the temperature control unit of the invention provides conditioned air which is then facilitated through a preferred flow direction.
  • the conditioning of the air is achieved by either a thermoelectric air conditioner or heat pump, vapor-compression based air conditioner or heat pump, evaporative cooler, resistive-based electrical heater, adsorption cooler, absorption cooler, evaporative cooler, or heat pump.
  • the climate controlled bed sheet has a proximal end to be connected to the temperature control unit and a distal end from where the air exits.
  • the sheet consists of a tear resistant, non- permeable cloth that covers the body, directing the flow of conditioned air, received at the proximal end from the unit, around the body, in order to allow the conditioned air to exit at distal end, i.e., near the head of the user.
  • said bed sheet has the means to facilitate the air flow in a preferred direction.
  • conditioned air is pumped underneath the bed sheet from proximal end in one or more directions, preferably towards the distal end. This creates a positive pressure underneath the bed sheet which serves to lift the bed sheet away from some areas of the body.
  • the bed sheet has a foot pocket through which conditioned air flows towards the user.
  • both sides of the bed sheet are weighted in order to prevent fluttering, and to keep the conditioned air trapped underneath the bed sheet, allowing it to only exit near the head of the body of the user.
  • e device consists of the following sub-components:
  • the temperature control unit uses thermoelectric devices.
  • the unit provides conditioned air as per the requirement of the user and comprises an outer housing, a centrifugal blower fan, heat exchangers for at the hot and cold sides, cooling means, and power supply.
  • the housing supports internal parts and also directs air flow within the cooling unit.
  • the blower fan forces air past the cooling means, where it splits into the cold side (that gets directed to the one direction) and the hot side (that gets directed to another flow channel).
  • the heat exchangers at the hotter side dissipate heat away from the cooling means, whereas those on colder side are in contact with the cooling means, and serve to cool the air.
  • the cooling means is between hot-side heat exchanger and cold-side heat exchanger to provide the heat transfer between the hot and the cold-side heat sinks.
  • the cooling means is selected from the non-limiting group of thermoelectric Peltier effect modules, vapor compression based refrigeration unit, or any other state of the art cooling means available.
  • the low power consumption of this unit as it is only designed for cooling the bed, and not the room, allows it to run on a battery back-up inverters as well, for continued comfort during power outage.
  • Means for facilitation and maintenance of air flow comprises of an air delivery system which directs air from the temperature control unit, to proximal end of the bed sheet and underneath the bed sheet.
  • Various attachments like collapsible tubes or channels can be used to enhance the preferable air flow direction. These tubes self inflate once positive pressure is applied by the blower fan. Similar self- inflating tubes are commonly used for providing airflow to mine shafts and construction sites, where a restriction at the end of the tube creates enough positive pressure to allow the tube to self inflate.
  • Sheet a tear resistant, non-permeable bed sheet, when in use, inflates slightly due to the air flow underneath it, and directs the cool air around the body.
  • the sheet has weights distributed along the side edges in the regions where it comes in contact with the bed. The weights serve to seal the edges of the bed sheet around the bed, to prevent air from escaping from the sides of the bed sheet and control the flow of air so that it exits near the head of the user.
  • the size of the sheet can be as per the requirement of the user. A small sheet for single user or a large king-size bed sheet for multiple users can be used as per the requirements. Alternately, a convertible sheet with inwardly foldable sides can be used.
  • the present invention is capable of being modified and made even more compact.
  • the device consists of temperature control unit and a sheet connected directly to the unit.
  • the bed sheet has a foot pocket which covers the gap between the bed and temperature control unit in addition to directing the conditioned air towards the user.
  • the temperature control unit alternately comprises a means for air intake, blower, at least one evaporator coil, at least one condenser coil, a compressor, movable air mixing flaps and outlet for conditioned air.
  • the mixing flaps facilitate shutting out as well as mixing of hot and cold air to achieve required proportion of air temperature.
  • the bed sheet is attached to the outlet for conditioned air of the unit.
  • FIG. 1 a plan view of a preferred embodiment of the invention is presented.
  • This preferably comprises three main components: temperature control unit 1, air delivery unit 2 mounted on the temperature control unit, and Sheet 3 removably connected to the air delivery unit, placed on to a bed mattress 4.
  • FIG. 2 is a sectional view of the preferred embodiment with the invention while in use, and with inflated sheet 3.
  • a sectional view of temperature control unit 1 is shown with housing 101, blower fan 102, cooling or heating means 103, power supply 104, outlet for waste air 105 and outlet for conditioned air 106.
  • Fig. 3(b) is a plan view of unit 1 with housing 101, outlet for waste air 105 and outlet for conditioned air 106.
  • Fig. 3(c) is a sectional side view of unit 1 with housing 101, blower fan 102, cooling or heating means 103, power supply 104, outlet for waste air 105 and outlet for conditioned air 106.
  • Fig. 4 is a Computational Fluid Dynamics (CFD) figure indicating low and high pressure zones inside the temperature control unit according to one embodiment of the invention.
  • CFD Computational Fluid Dynamics
  • FIG. 5(a) the side view of another embodiment of the present invention is shown indicating air flow 5 underneath the sheet 3 from air delivery unit 2 towards the opposite end.
  • Fig. 5(b) is top view of the air flow of the embodiment shown in Fig. 5(a).
  • FIG. 6(a) side view of yet another embodiment of the present invention is shown, indicating air flow 5 underneath the sheet 3 from air delivery unit 2 towards the lateral and opposite ends of the sheet 2.
  • the lateral extensions 203 of air delivery unit 2 are in connection with edges of sheet 3.
  • Fig. 6(b) is a top view of the air flow of the embodiment shown in Fig. 6(a).
  • Fig. 6(c) is a rear view of the air flow of the embodiment shown in Fig. 6(a).
  • sheet 3 incorporates collapsible air delivery channels that are made from the same material as the impermeable bed sheet. As air enters these channels, it creates a positive pressure inside which is facilitated by the restricted outlets of air in these channels, and they self inflate. This is in particular advantageous to user, as when the user rolls during sleeping, these channels collapse and do not create discomfort.
  • the non-perforated sheet 3 has inbuilt collapsible fabric venting channels 203 made of same material as that of the sheet itself along its edges. Further, the channels extend towards the temperature control unit 1, themselves forming the connecting unit 2. According to this embodiment, connecting unit 2, channels 203, and sheet 3 inflate when positive pressure is created by the unit 1. The connecting unit 2, channels 203, and sheet 3 collapse completely to form a flat sheet which can be folded and kept under the bed cover when not in use.
  • FIG. 8(a) a plan view of another preferred embodiment of the present invention is shown.
  • This preferably comprises two main components: temperature control unit 1 and Sheet 3, removably connected to the temperature control unit, placed on to a bed mattress 4.
  • the sheet has a foot pocket 301 at the end as visible in FIG. 8(b) which is the sectional view of the preferred embodiment with the invention while in use and with inflated sheet 3.
  • a plan view of temperature control unit 1, according to the alternate embodiment of the present invention is shown with housing 101, inlet for air 107 and outlet for conditioned air 106.
  • Fig. 9(b) a sectional view of temperature control unit 1, according to the alternate embodiment of the present invention, is shown with housing 101, inlet for air 107, blower fan 108, evaporator coil 109, condenser coil 110, compressor 111, outlet for conditioned air 106, and outlet 112 for exhaust air.
  • Fig. 9(c) is sectional side view of cooling unit 1 with housing 101, inlet for air 107, blower fan 108, evaporator coil 109, condenser coil 110, compressor 111, and outlet for conditioned air 106.
  • air flow through the temperature control unit is shown.
  • the air enters through inlet 107 and passes through the blower fan 108.
  • the pressurized air enters into the evaporator coil 109 and flows upward towards the outlet 106 and into the bed sheet.
  • Air from the blower fan also flows through the condenser coil 110 and moves towards the compressor 111 and is blown out near outlet 112.
  • the evaporator coil 109 cools down the air that is directed towards the bed sheet, while the condenser coil rejects the heat from the cooling process. Air flowing past the compressor serves to cool it, as it typically operates at higher temperature than the heated exhaust air.
  • air temperature control means in the form of air mixing flaps 115 is depicted.
  • Figure 11(a) shows cold air flow 117 from outlet 106. Flaps 115 are positioned in manner so as to make hot air 116 flow towards the exit.
  • Figure 11(b) shows flaps 115 positioned in a manner so as to allow some volume of cold air 117, and some volume of hot air 119 flow towards the bed and make remaining volumes 116 and 118 of hot and cold, air respectively flow towards the exit.
  • Figure 11(c) shows hot air flow 116 from outlet 106. Flaps 115 are positioned in manner so as to make cold air 117 flow towards the exit.
  • FIG. 12(a) air flow through foot pocket 301 of bed sheet 3 is depicted.
  • Fig. 12(b) and Fig. 12(c) show airflow and coverage of gap 5 between bed 4 and temperature control unit 1 by the foot pocket 301 of the bed sheet 3. This serves to divert air towards the bed, and prevent air leakage near the foot of the bed, even if there is a variation in the height of the bed.
  • the foot pocket 301 has a retracting means 303 and a strap 302 with clips or buckles so as to secure the bed sheet to the bed so that in case the foot pocket is displaced the retracting means enables it to return to its desired position.
  • the 'retracting mechanism' is to use an elastic band at the edge of the foot flap, which returns to its original position if it is dislodged or kicked, which commonly happens during sleeping.
  • the bed sheet is convertible for use on narrower, single-person beds, by way of folding the side edges 305 inward, and attaching them to the foot flap 306 by attachment means 307.
  • the means of attachment can include, but are not limited to, buttons, clips, and hook-and-loop tape.
  • the folding of the bed sheet in this manner is done so as to prevent air leakage over the sides of a narrower bed, and allows a single sized bed sheet to be used on multiple sized beds.
  • Fig. 14(a) shows this configuration of a folded bed sheet, configured for a single bed, laid on top of a double- bed. The dotted lines indicate the portion of the folds that is not visible, as they are underneath the top of the bed sheet.
  • Fig. 14 (b) shows this same bed sheet upside- down on the bed; where the folds would be visible via the solid lines.
  • a device for providing a climate controlled ambience around a user, comprising of at least one temperature control unit having at least one outlet for conditioned air; at least one bed sheet having a proximal end and a distal end; and at least one means to facilitate air flow in a preferred direction; wherein the outlet of the control unit is connected to the proximal end of the bed sheet; the temperature control unit conditions environmental air and directs the same towards outlet and into the proximal end of the bed sheet; the bed sheet covers the user and comprises a non-permeable fabric material, provisioned to direct the flow of conditioned air received at proximal end towards the distal end of the sheet; and the temperature control unit and the bed sheet are arranged in such a manner so as to facilitate and maintain air flow from the temperature control unit to underneath the bed sheet.
  • the temperature control unit further comprises a means for proportional control of air temperature.
  • the means for proportional control of air temperature is selected from the non-limiting group of thermoelectric air conditioner, resistive based electric heater, vapor compression based air conditioner, adsorption cooler, absorption cooler evaporative cooler, or heat pump.
  • the proportional control of temperature can be achieved by variable speed compressors, where compressor motor speed determines the amount of cooling provided.
  • proportional temperature control is achieved through PWM (pulse width modulation) of the electrical power that goes to the modules, typically in the kHz range, so the user doesn't feel a difference of temperature during each switching cycle. This also eliminates the need for air mixing flaps.
  • the temperature control unit further comprises a blower, centrifugal or axial, to facilitate air flow towards the outlet, a means for controlling the rate of air flow, a means for mixing hot and cold air to optimize the resultant air temperature, and an air filter to provide clean air towards the user; wherein the means for mixing hot and cold air comprises 'air mixing flaps'.
  • the flaps are arranged in such a manner so as to deviate the cold and hot air in required manner to achieve desired air temperature.
  • the bed sheet further comprises an integrated short fabric channel at the proximal end for controlling air flow towards underneath the sheet.
  • the sheet also has a means for attachment to the outlet of temperature control unit.
  • the means for attachment is selected from the group of a flexible hose, a fabric duct, a PVC duct or a hook-and-loop fastener for sealing the sheet directly to the air exit of the temperature control unit.
  • the fabric channel has a retracting means, such as elastic, and a fastening means, such as a strap or clip or both.
  • the retracting means and fastening means like a strap is used to secure the bed sheet to the bed so that in case the fabric channel is displaced during sleep, the retracting means enables it to return to its desired position, to facilitate airflow around the user.
  • the bed sheet can be a converted into a smaller size by folding the lateral edges inwardly and securing the folded edges by means of buttons which can be provided on the inner layer of the bed sheet.
  • the bed sheet is multi layered wherein one layer is comprises a non-permeable membrane to prevent the conditioned air that is being blown underneath the bed sheet from escaping through the bed sheet itself. This layer is designed to direct the conditioned air underneath the bed sheet, and have it escape near the head of the user.
  • the non-permeable membrane consists of any of the materials like nylon, polyester, PET, etc.
  • Another layer in the bed sheet comprises an insulating layer that consists of any of the materials like foam, fleece, wool, or low- density synthetic insulation fibers.
  • the insulating layer prevents heat exchange between the conditioned air that is underneath the bed sheet, and the warmer ambient air in the room. Without this layer, the cold air that enters the bed sheet can get warmer as it travels to the exit of the bed sheet, near the head of the user. This layer keeps the temperature of the conditioned air under the bed sheet more uniform.
  • the device is portable, and optionally has a provision for channelizing air flow towards the outside, for spot-cooling a limited size zone near the user.
  • the present invention is advantageous in many aspects.
  • the device has an energy consumption of approximately 20% as compared to conventional room Air Conditioners or typical room heaters.
  • the device can be operated through battery backup inverters.
  • the proposed invention has provision for adjusting the temperature as per the requirements of user.
  • the flow of air can also be adjusted.
  • the device is portable and requires no plumbing or special installation. As the user body is covered from head-to- toe, with only filtered air underneath the sheet, the device protects the user's body from flying insects, such as mosquitoes. Further, since only the bed is air-conditioned, user is free to ventilate the room and allow in fresh air during the night.

Abstract

La présente invention concerne un dispositif permettant de fournir une ambiance climatisée autour de l'utilisateur et un procédé associé. Plus particulièrement, la présente invention concerne un drap de lit climatisé et un procédé associé permettant de fournir une ambiance confortable à l'utilisateur. La présente invention concerne en outre des procédés avantageux économiquement permettant d'obtenir une atmosphère confortable dans des conditions d'environnement défavorables du type temps chaud, froid ou humide.
PCT/IB2015/053812 2014-08-23 2015-05-23 Dispositif pour une ambiance climatisée et procédé associé WO2016030774A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2406DE2014 2014-08-23
IN2406/DEL/2014 2014-08-23

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WO2016030774A1 true WO2016030774A1 (fr) 2016-03-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2550198A (en) * 2016-05-13 2017-11-15 James Davis Paul Conditioner for mattress
DE102017002417A1 (de) 2017-03-14 2018-09-20 Jacob Hendrik Bolt Bettauflage
CN109520054A (zh) * 2018-12-04 2019-03-26 天津城建大学 一种家用除螨温控适体空调床

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444922A (en) * 1966-12-06 1969-05-20 Edward H Dingman Apparatus for passing flowing air about a bed occupant at selective temperatures
US7120951B2 (en) * 1999-11-12 2006-10-17 Arizant Healthcare Inc. System for warming lower extremities of supine persons
US20110289684A1 (en) * 2010-05-28 2011-12-01 Marlow Industries, Inc. System and method for thermoelectric personal comfort controlled bedding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444922A (en) * 1966-12-06 1969-05-20 Edward H Dingman Apparatus for passing flowing air about a bed occupant at selective temperatures
US7120951B2 (en) * 1999-11-12 2006-10-17 Arizant Healthcare Inc. System for warming lower extremities of supine persons
US20110289684A1 (en) * 2010-05-28 2011-12-01 Marlow Industries, Inc. System and method for thermoelectric personal comfort controlled bedding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2550198A (en) * 2016-05-13 2017-11-15 James Davis Paul Conditioner for mattress
DE102017002417A1 (de) 2017-03-14 2018-09-20 Jacob Hendrik Bolt Bettauflage
CN109520054A (zh) * 2018-12-04 2019-03-26 天津城建大学 一种家用除螨温控适体空调床

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