WO2016144794A2 - Séchoir a gestion de flux d'air - Google Patents

Séchoir a gestion de flux d'air Download PDF

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Publication number
WO2016144794A2
WO2016144794A2 PCT/US2016/020989 US2016020989W WO2016144794A2 WO 2016144794 A2 WO2016144794 A2 WO 2016144794A2 US 2016020989 W US2016020989 W US 2016020989W WO 2016144794 A2 WO2016144794 A2 WO 2016144794A2
Authority
WO
WIPO (PCT)
Prior art keywords
drum
air
forced air
generally
fluid conduit
Prior art date
Application number
PCT/US2016/020989
Other languages
English (en)
Other versions
WO2016144794A3 (fr
Inventor
Ralph F. Hake
Thomas E. Gill
Original Assignee
Hg LAUNDRY SYSTEMS, LLC
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 Hg LAUNDRY SYSTEMS, LLC filed Critical Hg LAUNDRY SYSTEMS, LLC
Publication of WO2016144794A2 publication Critical patent/WO2016144794A2/fr
Publication of WO2016144794A3 publication Critical patent/WO2016144794A3/fr

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F15/00—Washing machines having beating, rubbing or squeezing means in receptacles stationary for washing purposes
    • D06F15/02—Washing machines having beating, rubbing or squeezing means in receptacles stationary for washing purposes wherein the articles being washed are squeezed by a flexible diaphragm or bag
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F21/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement 
    • D06F21/06—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement  about a vertical axis
    • D06F21/08—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement  about a vertical axis within an enclosing receptacle
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a horizontal axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/06—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about an inclined axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F29/00—Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus
    • D06F29/02—Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus with liquid-extracting apparatus
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/50—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to heat pumps, e.g. pressure or flow rate
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/26—Heat pumps
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/088—Liquid supply arrangements
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • Laundry generally has been cleaned with the application of three forms of cleaning action: chemical action, such as with detergents and other cleaning chemicals; mechanical action, such as by agitation, tumbling, rubbing the clothes by hand; and heat, typically applied by heated water.
  • chemical action such as with detergents and other cleaning chemicals
  • mechanical action such as by agitation, tumbling, rubbing the clothes by hand
  • heat typically applied by heated water.
  • drying is accomplished by circulating heated air around tumbling clothes in a drum.
  • top loader washer machine design is shown in U.S. Patent Number 5,829,277 of Wunderlich.
  • the basic modern day top loading automatic washer consists of an outer drum, an inner basket with agitator, a drive motor, a suspension system, controls, a hot and a cold water fill, a drain pump and a lid.
  • Many consumers consider the top loader to be more convenient than the front loader for loading and unloading.
  • the outer and inner tubs (drums) are set on a vertical axis.
  • a type of combination top loader combination washer/dryer machine is shown in U.S. Patent Number 5,457,969 of Roaf.
  • Most washer/dryer combination machines sold are front loading and consist of an outer drum, an inner basket, drive motor, a suspension system, controls, a hot and cold water fill, a drain pump a heater and a blower and a door.
  • the outer and the inner tubs (drums) are set on a horizontal axis.
  • Some dryers are "vented” expelling heated air to the exterior of the house while a second type is a condensing dryer which recirculates heated air through a condenser and collects the moisture in a receptacle in the dryer.
  • a type of combined washer dryer machine is shown in U.S. Patent Application Publication Number US 2006/0086001 to Jeong et al.
  • the inner drum rotates at high speeds such that a centripetal force is applied to the saturated garments within the drum, thereby causing the moisture within the garments to escape through holes of the inner drum for draining out to the outer drum.
  • centripetal force in current machines can only take out so much moisture from the garments, leaving a substantially moist garment requiring more drying time and ultimately more energy to dry the clothes.
  • the present invention relates to a dryer having an airflow management system for effectively and efficiently drying one or more article(s).
  • the present invention relates to a combination washer/dryer apparatus in which the washer and the dryer occupy (and share) a single housing. This saves space, material, and cost.
  • a first fluid conduit is provided between the blower and the drum, and wherein the heating element is positioned along the first fluid conduit between the blower and the drum.
  • the dryer comprises a second fluid conduit extending from the drum to the intake of the blower, wherein the second fluid conduit receives warm air exhausted from the drum, which is directed across the heating element, and back within the drum.
  • the dryer comprises a third fluid conduit extending from the second fluid conduit to an external portion of the housing.
  • the dryer comprises a control valve positioned at a junction between the second fluid conduit and the third fluid conduit.
  • the control valve is movable within the junction to selectively direct the second forced air stream of the second fluid conduit to either the second fluid conduit, the third fluid conduit, or a combination of both the second and third fluid conduits.
  • the dryer comprises a heat exchange unit positioned within the second fluid conduit for removing moisture contained in the air exhausted from the drum.
  • the apparatus comprises a reclaim mechanism for recycling hot air from the hot air generating apparatus.
  • the apparatus comprises a heat exchange apparatus for removing moisture contained in the air exhausted from the drum.
  • the heat exchange apparatus comprises a condenser.
  • the heat exchange apparatus comprises a water reservoir with a recycling pump.
  • the heat exchange apparatus comprises a heat sink.
  • the hot air generating apparatus comprises a blower and a heating element.
  • the forced air element is generally positioned near the drum for outputting high velocity air within at least a portion of the drum, thereby mixing the second forced air stream with the first forced air stream.
  • the drum is rotatably mounted about an axis offset at an angle relative to a horizontal axis.
  • the invention relates to a drying apparatus for drying articles comprising a main body, a drum rotatably mounted within the main body, a hot air generating apparatus for providing hot air into the drum, a reclaim mechanism for recycling hot air exhausted from the drum, and a high velocity air generating apparatus.
  • the apparatus comprises an output nozzle generally positioned near the drum for outputting high velocity air within at least a portion of the drum.
  • rotation of the drum in combination with the hot air generating apparatus and the high velocity air generating apparatus actively and aggressively causes tumbling of the articles within the drum.
  • the drum is generally rotatably mounted to rotate about a horizontal axis.
  • the drum is generally rotatably mounted to rotate about an axis that is generally angled relative to a horizontal axis.
  • FIG. 1 is a schematic sectional view of a dryer apparatus according to an example embodiment of the present invention.
  • FIG. 5 is a schematic sectional view of a combination washer/dryer apparatus according to another example embodiment of the present invention.
  • FIG. 6 is a schematic sectional view of a combination washer/dryer according to another example embodiment of the present invention.
  • the drum 20 is fitted within the housing 12 and configured to rotate about a generally horizontal axis X in either of the clockwise or counter-clockwise directions.
  • the drum 20 generally rotates relative to a rear plate 24, which has an opening 26 extending therethrough, for example, for inputting heated air or a first forced air stream within the drum 20 such that the clothes or other article(s) therein can tumble amongst the heated air being input through the opening 26 to remove the moisture therefrom.
  • a motor 30 is mounted within the housing 12 and a belt 32 is provided for movably engaging a shaft of the motor 30 so that rotation of the motor shaft can effect rotational movement of the drum 20 in either of the clockwise or counter-clockwise directions.
  • a blower 34 is generally configured for cooperative operation with the motor 30, for example, so that rotation of the motor drive shaft causes rotation of the blower 34 to force air within a first fluid conduit or duct 50 from the blower 34 to a heating element 36.
  • air is moved from the blower 34 through the first conduit 50 and through or generally across the heating element 36, and further through a delivery conduit 52 extending from the heating element 36 to the opening 26 in the rear plate 24.
  • the air moving from the blower 34 to the heating element 36 and further through the delivery conduit 52 is generally defined as the first forced air stream.
  • a valve or switch 70 is generally pivotally mounted within the second fluid conduit 54 beyond the junction that the second fluid conduit 54 forms with the third fluid conduit 56, for example, so that the flow of air being exhausted from the system is controllable and adjustable as desired.
  • a portion of the air exhausted from the drum e.g., generally warm moist air
  • another portion of the air exhausted from the drum is generally exhausted outside.
  • a condensing unit or other moisture removal device 40 can be provided within a fluid conduit for removing a substantial amount of moisture from the warm moist air being returned in the air return duct 54 through opening 60.
  • the warm moist air is generally dried via the moisture removal device 40 so that the warm air (e.g., after moisture is removed) can be input through the heating element 36 and back into the drum 20.
  • a blower 35 can be provided for pulling warm moist air from the drum (via opening 60), across the moisture removal device 40, within the heating element 36, and back into the drum.
  • the blowers 34, 35 can be controllable such that maximum efficiency can be achieved.
  • both blowers 34, 35 can be active, or one can be disabled, for example, depending on the control parameters and efficiency of the system.
  • the position of the optional filter, the blower 35 and the condenser 40 can be chosen as desired.
  • the moisture from the warm moist return air is generally extracted prior to being filtered by the optional lint filter and passing by the blower 35.
  • one or more valves, switches, gates, etc. can be incorporated with the conduits as desired to control the flows of the air as desired.
  • the dryer apparatus 10 is substantially more efficient, for example, since the recycled return air is already heated, and thus, requiring less energy to reheat to a desired heating temperature.
  • one or more sensors can be employed with the apparatus such that the temperatures of the air flows are generally monitored continuously, and whereby the resulting temperatures of the air flows determine the position of the switch 70 and other factors, for example, the temperature of the heating element 36, controlling the blowers 34, 35, rotation/oscillation of the drum, etc.
  • the drum 20 comprises one or more baffles 27 for providing the clothing therein with a lifting, tumbling action when the drum is in rotation or oscillation.
  • a high velocity blower 80 can be provided for injecting a high velocity forced air stream into the drum 20 to be mixed with the warm air from the opening 26.
  • the high velocity blower 80 enhances the effectiveness and efficiency of the drying cycle, and provides for accelerated drying by aggressively freeing the water molecules from the article(s) or clothing.
  • a nozzle and/or conduit thereof cam be movable between an operating position and a stored position. For example, when the high velocity blower 80 is desired to be used, the nozzle, conduit, etc. can be moved from its stored position within the housing to a position where the nozzle can be positioned for directing a flow of high velocity air within the drum 20.
  • the warm moist air generally moves within the first fluid conduit 140, across a condensing unit 160 or other moisture extraction device, which is further moved across the blower 134, the heating element 136, and then into the drum 120 through the opening 144, for example, to provide heat within the drum assembly for drying the clothes or article(s) therein.
  • a water jet or nozzle can be positioned for spraying water into the inner drum 120b and generally in contact with one or more article(s) therein, so that the dryer can then begin drying the article(s).
  • the dryer apparatus 100 can optionally run a freshening cycle, for example, where water of the collection basin 164 or water elsewhere (tap water, heated tap water, etc.) is applied to one or more article(s) within the drum assembly or inner drum 320b.
  • the amount of water applied to the article(s) can vary, but will generally depend on the size of the load, for example, the weight of the articles, which can be measured with sensors or other weight devices.
  • the drum 120 comprises one or more baffles 121 for providing the clothing therein with a lifting, tumbling action when the drum is in rotation or oscillation.
  • the baffles can be shaped and sized as desired.
  • the baffles comprise a mounted side and a free side, and wherein the mounted side generally comprises a surface for flush engagement with in interior portion of the drum.
  • a high velocity blower 180 can be provided for injecting a high velocity forced air stream into the drum 120 to be mixed with the warm air from the opening 144.
  • the high velocity blower 180 enhances the effectiveness and efficiency of the drying cycle, and provides for accelerated drying by aggressively freeing the water molecules from the article(s) or clothing.
  • Fig. 3 shows a combination washer/dryer machine 200 according to another example embodiment of the present invention.
  • the washing/drying apparatus 200 comprises an outer drum 220a and an inner drum 220b, for example, wherein the outer drum 220a rotatably encases the inner drum 220b.
  • the inner drum 22b rotatably mounts about a pivot axis X that is oriented at an angle a, which is generally between about 10 and 40 degrees relative to a generally horizontal axis, or for example, relative to a support surface.
  • the outer drum 220a substantially encases the inner drum 220b but preferably allows for rotation thereof relative thereto in both the clockwise and counter-clockwise directions.
  • the lower portion of the inner drum can be perforated. The perforations allow air and water to flow in and out of the inner drum. The actual amount of perforations are dictated by performance results from further testing.
  • the inner drum 220b is connected to a conduit shaft (pipe shaft) that allows warm air (e.g., a first forced air stream) to enter the inner drum 220b.
  • the shaft is connected to a drive belt, gear, pulley or other suitable drive mechanism connected to a drive motor 230 that will turn the inner drum 220b.
  • the conduit shaft is ultimately in communication with a heating conduit 240.
  • the heating conduit 240 preferably comprises a heating element 236 positioned therein or at least along a portion thereof such that a blower 234 provides an airflow across the heating element 236 and supplies heated air through the conduits to within the inner drum 220b.
  • the drive motor 230 preferably provides input to the blower 234, for example so that the drive of the motor also drives the blower 234.
  • the drive motor 230 is generally separate from the drive of the blower 234.
  • the outer drum 220a comprises a water and detergent input 247, a drain coupling 246 (and conduit extending therefrom).
  • An air exhaust conduit 250 is provided generally near an end of the inner drum 220b for permitting generally warm moist air from the drum assembly to be exhausted.
  • An opening 252 is positioned generally near the open end of the inner drum 220b.
  • a lint filter 254 can be coupled to the conduit 250 to filter the air moving through the opening 252.
  • a door 222 is provided for permitting access to the inner drum 220b, for example, wherein the door 222 is movable between an open position providing access to the opening of the drum assembly and a closed position generally covering the opening and preventing access within the inner drum 220b.
  • the door 222 when the door is in the closed position, at least a portion of the door 222 (e.g., facing, gasket, seal surface, etc.) provides for sealing engagement with the drum assembly and/or housing of the machine 200.
  • the door 222 is generally movably mounted to at least a portion of the housing or support structure of the machine 200.
  • the door 222 can be mounted to the drum assembly.
  • the door 222 can be configured for providing movement relative to the machine 200 in a front-to-back or up-and-down manner (see arrows), or may be configured for pivotal movement, or for example, a combination or two or more movements relative to the housing of the machine 200 between an open position for providing access to within the inner drum 220b and a closed position for preventing access within the inner drum 220b.
  • the drum After the drum has been loaded with the article(s), clothes or other objects to be washed, and an appropriate amount of water and detergent is in the drum, the drum will oscillate, for example, in a similar manner as the inner drum of current front load machines. While the drum is oscillating/rotating, air is being blown through the pipe shaft creating a jacuzzi-like turbulence, hastening the wash cycle.
  • water is drained or evacuated by activating a drain pump or vacuum pump (via the drain 246), simultaneously closing the blast gate (or other suitable valve) and a bag or bladder or bellow will deploy from the top of the tank or door 222, using fluid (air/water) or other mechanical means pressing against the clothes and squeezing the water from the clothes.
  • the vacuum or drain pump will pull the washing wastewater into the drain 246, and ultimately into a receiving tank until the water is further drained from the machine 200.
  • the drain pump will be activated and the water is exited to the drain in the home.
  • the bag is recalled and the blower 234 and heating element 236 are activated, and the drum rotates/oscillates, causing the clothes to tumble within the inner drum.
  • the blower 234 forces air across the heater and injects first forced air stream through the conduit and opening 244 into the drum assembly.
  • the inner drum 220b comprises one or more baffles 221 for providing the clothing therein with a lifting, tumbling action when the drum is in rotation or oscillation.
  • the baffles 221 can be shaped and sized as desired.
  • the baffles 221 comprise a mounted side and a free side, and wherein the mounted side generally comprises a surface for flush engagement with in interior portion of the drum.
  • the washer/dryer machine 200 comprises a high speed blower or forced air element 260 for producing a second forced air stream to be mixed with the heated air (e.g., first forced air stream) entering the inner drum 220b from the heating conduit 240.
  • a high speed blower, compressor, or other forced air device 262 is provided for generating the second forced air stream into the inner drum 220b.
  • the forced air element 260 preferably comprises a nozzle having or more openings extending therethrough, for example, for injecting high speed air into the inner drum 220b in two or more directions. In other forms, a nozzle generally having one opening can be provided for injecting a single directional flow of high speed air.
  • the combination of the first forced air stream and the second forced air stream being input into the inner drum 220b provides for a much more efficient drying process.
  • the second forced air stream generally pushes air through the bottom interior of the inner drum 220b and the top interior of the inner drum 220b at high velocity.
  • the high velocity accelerates evaporation and separation of water molecules from the surfaces of the article(s) construct (e.g., fabric, etc.).
  • pivotal movement of the inner drum 220b in addition to the first and second forced air stream preferably provides for a substantially more effective and efficient drying cycle.
  • the span of the drying cycle of the present invention is between about 65 - 78% the span of known drying cycles.
  • the forced air element 260 is generally positioned within a portion of the door 222 such that the flow direction of the second forced air stream is substantially opposite the flow of warm air from the first forced air stream.
  • a high speed blower, compressor, or other forced air device 262 is provided for generating the second forced air stream into the inner drum 220b, and a conduit is connected therebetween.
  • the device 262 is generally fixed within the housing and the conduit therebetween is configured to permit movement of the door 222.
  • the forced air device 262 is provided in the door 222, rather than in the housing.
  • the air exhaust conduit 250 can be sufficiently larger and comprise a valve therein for example, such that the warm moist air exhausted from the drum does not exceed an airflow rate not exceeding the recommended standard rate for air exhausted from the machine 200.
  • the standard rate for air being exhausted from the machine 200 is about 137 cubic feet per minute (CFM).
  • a pair of ducts are positioned within the housing and relative to the drum assembly (outer drum 320a and inner drum 320b) to permit air to be exhausted from the inner drum 320b.
  • a first fluid conduit 340 is provided between an end of the drum assembly and an opening 344 extending within a generally opposite end of the drum assembly.
  • the first fluid conduit 340 generally comprises an air return opening 342 (and optional filter 346) for receiving warm moist air from the drum assembly.
  • the warm moist air generally moves within the first fluid conduit 340, across a condensing unit or other moisture extraction device 360, which is further moved through the blower 334 across the heating element 336, and then back into the inner drum 320b, for example, to provide heat within the drum assembly for drying the clothes or article(s) therein.
  • the rate at which the warm moist air is returned through the first fluid conduit 340 can be varied depending upon a valve 382 and the speed of the blower 330.
  • valve 382 is positioned within the first fluid conduit 340 to control the size of the opening thereof, and thus, control the flow of air moving therethrough.
  • the speed of the blower 334 can be adjusted to provide more of a vacuum effect to the air moving through the first fluid conduit 340.
  • an air exhaust conduit 350 can be provided for permitting a portion of the warm moist air within the drum assembly to be exhausted from the inner drum 320b, and out of the machine for connecting to an exhaust coupling generally found in the home or other building, for example, for further exhausting the warm moist air outdoors.
  • an opening 352 (and optional filter 354) are provided near an end of the inner drum 320b for receiving air from the inner drum 320b.
  • the air exhaust conduit 350 can comprise a valve 380 therein for controlling the flow of air moving therethrough.
  • the moisture extraction device 360 is generally in the form of a condenser.
  • other devices can be utilized, for example, an intercooler, radiator-like device, etc.
  • a fluid for example, tap water 362
  • tap water 362 can be provided for flowing through the coils of the condenser such that the condenser is substantially effective at removing moisture from the warm moist air moving through the first fluid conduit 340.
  • ambient moist air can be provided for flowing through the coils of the condenser.
  • a collection basin can be provided for collecting the moisture being removed from the warm moist air, for example, which is eventually generally routed through conduit 364 to drain out of the machine 300.
  • water collected in the collection basin can be utilized for optionally outputting into the drum at a later period in time.
  • the washer/dryer machine 300 comprises a high speed blower or forced air element 370 for producing a second forced air stream to be mixed with the heated air (e.g., first forced air stream) entering the inner drum 320b from the heating conduit 340.
  • a high speed blower, compressor, or other forced air device 372 is provided for generating the second forced air stream and injecting it into the inner drum 320b.
  • the forced air element 370 preferably comprises a nozzle having or more openings extending therethrough, for example, for injecting high speed air into the inner drum 220b in two or more directions.
  • the combination of the first forced air stream and the second forced air stream being input into the inner drum 320b provides for a much more efficient drying process.
  • the second forced air stream generally pushes air through the bottom interior of the inner drum 320b and the top interior of the inner drum 320b at high velocity.
  • the high velocity accelerates evaporation and separation of water molecules from the surfaces of the article(s) construct (e.g., fabric, etc.).
  • pivotal movement of the inner drum 320b in addition to the first and second forced air stream preferably provides for a substantially more effective and efficient drying cycle.
  • the span of the drying cycle of the present invention is between about 65 - 78% the span of known drying cycles.
  • the forced air element 370 is generally positioned within a portion of the door 322 such that the flow direction of the second forced air stream is substantially opposite the flow of warm air from the first forced air stream.
  • a high speed blower, compressor, or other forced air device 362 is provided for generating the second forced air stream into the inner drum 320b, and a conduit is connected therebetween.
  • the device 372 is generally fixed within the housing and the conduit therebetween is configured to permit movement of the door 222.
  • the forced air device 262 is provided in the door 222, rather than in the housing.
  • Fig. 5 shows a combination washer/dryer machine 400 according to another example embodiment of the present invention.
  • the combination machine 400 is generally similar to the machines as described above.
  • a stationary plate or bulkhead 424 is fixedly mounted within a housing 412
  • a drum 420 is generally pivotally mounted to the plate 424 and rotatable about an axis X.
  • the machine 400 and housing thereof 412 can be mounted to a support or auxiliary structure 416, for example, for permitting the machine 400 to be offset an angle a relative to the support 416.
  • a pair of conduits generally extend from an exhaust ring 456, which is generally movably mounted to a portion of the drum 420, for example such that the ring 456 can generally remain substantially fixed while allowing rotation of the drum 420 relative thereto.
  • the plate 424 comprises one or more openings extending therethrough for inputting first and second forced air streams.
  • a main blower penetration or first opening 444 is generally provided at a lower portion of the plate 424, and a high speed penetration 470 can be provided at a central portion of the plate 424.
  • the penetrations can be positioned as desired.
  • a first fluid conduit 440 extends from the exhaust ring 456 to the first opening 444.
  • the first fluid conduit 440 can comprise a lint filter 437, a blower 434, and a heating element 436.
  • a condensing unit or other moisture extraction device 460 can be provided for assisting in removing moisture from the moist exhaust air entering the first fluid conduit 440.
  • a second fluid conduit 450 is provided for extending from the exhaust ring 456 to an exterior portion of the machine 400, for example, to provide for exhausting the at least a portion of the warm moist air outdoors.
  • a forced air element having a high speed blower, compressor, or other forced air device 472 is provided for generating the second forced air stream (e.g., generally high speed air) and injecting it through the plate 424 via penetration 470 and into the drum 420.
  • the forced air element preferably comprises a nozzle having one or more openings extending therethrough, for example, for injecting high speed air into the drum 420 in two or more directions.
  • a nozzle generally having one opening can be provided for injecting a single directional flow of high speed air.
  • multiple nozzles having one or more openings can be provided as desired, for example, to spread the high velocity air in a plurality of directions as desired to further the drying effectiveness and efficiency.
  • the mixture of the first and second forced air streams within the drum 420 causes a positive pressure within the drum 420.
  • the air drawn into the first fluid conduit 440 is generally equal to the air output into the drum 420 through the blower penetration 444.
  • the addition of the second forced air stream by the forced air device 472 of the forced air element causes a positive pressure within the drum 420.
  • the excess pressure within the drum 420 is generally relieved by air flow out of the exhaust fluid conduit 450, for example, to be exited outdoors.
  • the flow of air exhausted through the exhaust conduit 450 generally has a flow rate of about 137 CFM.
  • other flow rates can be chosen as desired.
  • the drum 420 optionally comprises one or more baffles 421 for providing the clothing therein with a lifting, tumbling action when the drum is in rotation or oscillation.
  • the baffles 421 can be shaped and sized as desired.
  • the baffles 421 comprise a mounted side and a free side, and wherein the mounted side generally comprises a surface for flush engagement with in interior portion of the drum.
  • Fig. 6 shows a combination washer/dryer machine 500 according to another example embodiment of the present invention.
  • the machine 500 is substantially similar to the machine 400 as described above.
  • the machine 500 comprises a center axial drum 520, for example, which is generally an integrally formed drum having a generally large opening and one end thereof and a generally smaller opening at an opposite end thereof.
  • the generally smaller opening is defined within a central pipe shaft, which acts as a central rotational axis for the drum 520.
  • the drum 520 is generally pivotally mounted to rotate about an axis X.
  • the machine 500 and housing thereof 512 can be mounted to a support or auxiliary structure 516, for example, for permitting the machine 500 to be offset an angle a relative to the support 516.
  • the machine preferably comprises first and second fluid conduits 540, 550.
  • the first fluid conduit 540 is connected from the exhaust ring (e.g., communicating with the interior of the drum 520) and extends to the central pipe shaft of the drum 520, for example, which is in communication with opening 544.
  • a blower 534, a heating element 536, a lint filter 537 and optional condenser or moisture extraction apparatus 560 can be in communication with the first fluid conduit 540.
  • a forced air element 570 having a high speed blower, compressor, or other forced air device 572 is provided for generating the second forced air stream (e.g., generally high speed air) and injecting it into the drum 520 to be mixed with the first forced air stream entering the drum through opening 544.
  • the forced air element preferably comprises a nozzle having one or more openings extending therethrough, for example, for injecting high speed air into the drum
  • the nozzle is generally positioned such that the flow of the second forced air stream is generally directed in a direction substantially opposite the direction of the flow of the first forced air stream.
  • the flow of the second forced air stream can be directed as desired.
  • a nozzle generally having one opening can be provided for injecting a single directional flow of high speed air.
  • multiple nozzles having one or more openings can be provided as desired, for example, to spread the high velocity air in a plurality of directions as desired to further the drying effectiveness and efficiency.
  • the drum 520 optionally comprises one or more baffles 521 for providing the clothing therein with a lifting, tumbling action when the drum is in rotation or oscillation.
  • the baffles 521 for providing the clothing therein with a lifting, tumbling action when the drum is in rotation or oscillation.
  • the baffles 521 for providing the clothing therein with a lifting, tumbling action when the drum is in rotation or oscillation.
  • the baffles 521 can be shaped and sized as desired.
  • the baffles 521 comprise a mounted side and a free side, and wherein the mounted side generally comprises a surface for flush engagement with in interior portion of the drum.
  • the machines 400, 500 preferably recapture heated air and utilize an active blower system.
  • the machine lifts and moves (via tumbling and baffles) the article(s) or clothing, recaptures heated air, exhaust air, all while drying the clothes or article(s) within the drum.
  • the second forced air stream preferably accelerates the drying by aggressively freeing the water molecules from the article(s) or clothing.
  • a condenser or other moisture extraction device can be provided for removing moisture from the warm moist air that is being recirculated.
  • the blower pulls the main volume of moist heated air from the drum and passes (blows) the air over the heater. Since this blower generally withdraws the same volume of air that it is inputting in the drum, a secondary source of air is provided, for example, which is accomplished with the smaller high velocity blower. As shown in Fig. 5, the high velocity blower provide for injecting a second forced air stream into the drum in a similar direction as the direction of the first forced air stream. In example forms, the volume of air of the second forced air stream added to the drum is generally equal the volume of air that is exhausted out of doors, which generally carries the warm moist air out of doors. The overall volume is adjusted to approximate what a standard home dryer system accommodates. In example forms, the main blower recaptures the heated air to improve efficiencies and energy saving, and the high speed blower provides for accelerated drying by aggressively freeing the water molecules from the clothing.
  • the rate of the air being exhausted is desired to be equivalent to the amount of exhaust that is produced by the standard dryer.
  • dryer vent systems are designed to handle the volumes and speeds produced by standard dryers. Early testing shows this should not be a problem.
  • a common device regulating device can be utilized to regulate the volume to an appropriate amount with sufficient boost and a back pressure regulator to exhaust the air.
  • the condenser will generally be placed before the lint filter to remove as much moisture before passing through the lint filter (to minimize moist sticky lint).
  • the condenser is positioned before the main blower so as to remove moisture before being reheated and sent back into the machine.
  • the condenser would be positioned before the main blower and the out of doors exhaust duct, for example, to provide that the driest air would be recirculated and exhausted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

L'invention concerne un appareil de séchage comprenant un système de gestion de flux d'air pour recycler l'air chauffé et fournir deux flux d'air forcés à l'intérieur d'un tambour pour sécher efficacement un ou plusieurs article(s).
PCT/US2016/020989 2015-03-06 2016-03-04 Séchoir a gestion de flux d'air WO2016144794A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562129137P 2015-03-06 2015-03-06
US62/129,137 2015-03-06

Publications (2)

Publication Number Publication Date
WO2016144794A2 true WO2016144794A2 (fr) 2016-09-15
WO2016144794A3 WO2016144794A3 (fr) 2016-12-15

Family

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Family Applications (5)

Application Number Title Priority Date Filing Date
PCT/US2016/020989 WO2016144794A2 (fr) 2015-03-06 2016-03-04 Séchoir a gestion de flux d'air
PCT/US2016/020902 WO2016144758A1 (fr) 2015-03-06 2016-03-04 Machine à laver ayant une extraction d'humidité à pression positive
PCT/US2016/020903 WO2016144759A1 (fr) 2015-03-06 2016-03-04 Machine à laver à jets d'air/d'eau
PCT/US2016/020901 WO2016144757A1 (fr) 2015-03-06 2016-03-04 Combinaison lave-linge/sèche-linge
PCT/US2016/021210 WO2016144882A1 (fr) 2015-03-06 2016-03-07 Machine à laver comportant un joint rotatif

Family Applications After (4)

Application Number Title Priority Date Filing Date
PCT/US2016/020902 WO2016144758A1 (fr) 2015-03-06 2016-03-04 Machine à laver ayant une extraction d'humidité à pression positive
PCT/US2016/020903 WO2016144759A1 (fr) 2015-03-06 2016-03-04 Machine à laver à jets d'air/d'eau
PCT/US2016/020901 WO2016144757A1 (fr) 2015-03-06 2016-03-04 Combinaison lave-linge/sèche-linge
PCT/US2016/021210 WO2016144882A1 (fr) 2015-03-06 2016-03-07 Machine à laver comportant un joint rotatif

Country Status (2)

Country Link
US (6) US20160258097A1 (fr)
WO (5) WO2016144794A2 (fr)

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US11028527B2 (en) * 2019-09-27 2021-06-08 Whirlpool Corporation Laundry treating appliance for drying laundry
US11692300B2 (en) 2019-09-27 2023-07-04 Whirlpool Corporation Laundry treating appliance for drying laundry
US11535977B2 (en) 2020-09-30 2022-12-27 Monotony.ai, Inc. Autonomous laundry washing and drying devices, systems, and methods of use

Also Published As

Publication number Publication date
US20160258101A1 (en) 2016-09-08
WO2016144757A1 (fr) 2016-09-15
WO2016144758A1 (fr) 2016-09-15
US20160258098A1 (en) 2016-09-08
US20190194850A1 (en) 2019-06-27
US20160258097A1 (en) 2016-09-08
US20160258100A1 (en) 2016-09-08
WO2016144759A1 (fr) 2016-09-15
WO2016144794A3 (fr) 2016-12-15
US20160258107A1 (en) 2016-09-08
WO2016144882A1 (fr) 2016-09-15

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