Abstract:
The present invention relates to dry cleaning system and method thereof. According to the present invention, the dry cleaning system and method provide more economical, safe, convenient, and/or eco-friendly washing.

Description:
CROSS-REFERENCE TO RELATED APPLICATION 
       [0001]    This application claims priority to U.S. application Ser. No. 61/763,315 filed on Feb. 11, 2013, which is incorporated herein by reference. 
     
    
     TECHNICAL FIELD 
       [0002]    This invention relates to an apparatus (system) for cleaning dry-cleaning articles such as garments, bedroom and bathroom linen, curtains and the like and a method therefor. 
       BACKGROUND 
       [0003]    Dry-cleaning apparatuses (systems) are known which comprise a rotary drum for containing articles, means for feeding and draining a solvent, and a closed circuit for circulating air for drying the articles contained in the drum and configured to allow air to flow through the drum. There is a need for new dry-cleaning apparatuses and methods that can clean articles more cost-effectively and/or safely and/or conveniently and/or environment-friendly. 
       SUMMARY 
       [0004]    The present invention provides a dry cleaning method characterized in that water drainage is carried out in the state where a drum speed is set in the range of about 150 rpm to 300 rpm and temperature is set in the range of about 110° F. to 150° F. 
         [0005]    According to an embodiment, the dry cleaning method is characterized in that hot mist water is supplied at the same time with the drainage or after or before the drainage. 
         [0006]    According to another embodiment, the dry cleaning method is characterized in that air is supplied at the same time with the drainage or after or before the drainage. 
         [0007]    According to the other embodiment, the dry cleaning method is characterized in that steam is supplied at the same time with the water supply or after or before the water supply in the state where the drum speed is set in the range of about 150 rpm to 300 rpm and temperature is set in the range of about 110° F. to 150° F. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0008]    The above and other aspects and features of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings, in which: 
           [0009]      FIGS. 1A and 1B  illustrate the front side and back side of a dry cleaning apparatus (system) according to a first embodiment of the present invention, respectively. 
           [0010]      FIGS. 2A and 2B  illustrate the front side and back side of a dry cleaning apparatus (system) according to a second embodiment of the present invention, respectively. 
       
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
       [0011]    Advantages and features of the present invention and methods of accomplishing the same may be understood more readily by reference to the following detailed description of exemplary embodiments and the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of the invention to those skilled in the art, and the present invention will only be defined by the appended claims. Throughout the specification, like reference numerals in the drawings denote like elements. In some exemplary embodiments, well-known steps, structures and techniques will not be described in detail to avoid obscuring the invention. 
         [0012]    The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises” and/or “comprising,” when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items. 
         [0013]    Exemplary embodiments of the invention are described herein with reference to plan and cross-section illustrations that are schematic illustrations of idealized embodiments of the invention. As such, variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, are to be expected. Thus, exemplary embodiments of the invention should not be construed as limited to the particular shapes of regions illustrated herein but are to include deviations in shapes that result, for example, from manufacturing. In the drawings, respective components may be enlarged or reduced in size for convenience of explanation. 
         [0014]    Hereinafter, a dry cleaning system and a method for dry cleaning articles in accordance with exemplary embodiments of the present invention will be described with reference to the accompanying drawings. 
       First Embodiment 
       [0015]      FIGS. 1A and 1B  illustrate the front side and the back side of a dry cleaning system according to the first embodiment of the present invention. A dry cleaning method using the dry cleaning system according to the first embodiment of the present invention is described in the below. 
         [0016]    A. Washing 
         [0017]    In the state where a drum speed is set in the range of about 150 rpm to 300 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using a steam radiator ( 1 )), water is drained when a drain valve ( 8 ) is opened and a drain pump ( 9 ) is operated. At the same time with the drainage or after or before the drainage, hot mist water is supplied through an air valve ( 18 ) and a water supply valve ( 12 ) for about 1 minute to 10 minutes. 
         [0018]    In the state where a drum speed is set in the range of about 150 rpm to 300 rpm and temperature is set in the range of 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), steam is supplied through a steam valve ( 11 ) for about 1 seconds to 20 seconds via a soap supply box ( 17 ) after or before the water supply or at the same time with the water supply through the water supply valve ( 12 ). 
         [0019]    In the state where a drum speed is set in the range of about 150 rpm to 300 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), water is drained when the drain valve ( 8 ) is opened and the drain pump ( 9 ) is operated. At the same time with the drainage or before or after the drainage, hot mist water is supplied through the air supply valve ( 18 ) and the water supply valve ( 12 ) for about 1 minute to 10 minutes. 
         [0020]    B. Dehydration 
         [0021]    In the state where a drum speed is set in the range of about 250 rpm to 450 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), water is drained when the drain valve ( 8 ) is opened and the drain pump ( 9 ) is operated. At the same time with the drainage or before or after the drainage, air is supplied through the air supply valve ( 18 ) for about 1 minutes to 5 minutes. 
         [0022]    C. Sterilization and Washing 
         [0023]    In the state where a drum speed is set in the range of about 150 rpm to 300 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), water is drained when the drain valve ( 8 ) is opened and the drain pump ( 9 ) is operated. At the same time with the drainage or before or after the drainage, water is supplied through the water supply valve ( 12 ), and at the same time with the water supply or before or after the water supply, hot mist water is supplied for about 1 minute to 10 minutes through the air valve ( 18 ) and the steam supply valve ( 11 ) so as to sterilize and wash dry-cleaning articles. 
         [0024]    D. Dehydration 
         [0025]    In the state where a drum speed is set in the range of about 150 rpm to 450 rpm and temperature is set in the range of about 110° F. to  150 ° F. (for instance, using the steam radiator ( 1 )), water is drained when the drain valve ( 8 ) is opened and the drain pump ( 9 ) is operated. 
         [0026]    Air is supplied through air supply valve ( 18 ) for about 1 minute to 5 minutes at the same time with the drainage or before or after the drainage. 
         [0027]    E. Drying 
         [0028]    In the state where a drum speed is set in the range of about 200 rpm to 450 rpm and temperature is set in the range of about 130° F. to 170° F. (for instance, using the steam radiator ( 1 )), water is drained when the drain valve ( 8 ) is opened and the drain pump ( 9 ) is operated. At the same time with the drainage or before or after the drainage, an air discharge/humidity control valve ( 5 ) is opened and a fan motor( 3 ) is operated to rotate a fan ( 4 ), thereby discharging air inside the drum and reducing humidity. Drying is carried out for about 15 minutes to 30 minutes while air is supplied. 
         [0029]    F. Material optimization 
         [0030]    In the state where a drum speed is set in the range of about 200 rpm to 400 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), steam and air are supplied for about 1 second to 20 seconds through the steam supply valve ( 11 ) and the air supply valve ( 18 ). 
         [0031]    In the state where a drum speed is set in the range of about 200 rpm to 400 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), the air discharge/humidity control valve ( 5 ) is opened and the fan motor ( 3 ) is operated to rotate the fan ( 4 ), thereby discharging air inside the drum and controlling humidity for about 1 second to 50 seconds. 
         [0032]    In the state where a drum speed is set in the range of about 200 rpm to 400 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), steam and air are supplied for about 1 second to 20 seconds through the steam supply valve ( 11 ) and the air supply valve ( 18 ). 
         [0033]    In the state where a drum speed is set in the range of about 200 rpm to 400 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), the air discharge/humidity control valve ( 5 ) is opened and the fan motor ( 3 ) is operated to rotate the fan ( 4 ), thereby discharging air inside the drum and controlling humidity for about 1 second to 50 seconds. 
         [0034]    In the state where a drum speed is set in the range of about 200 rpm to 400 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), steam and air are supplied for about 1 second to 20 seconds through the steam supply valve ( 11 ) and the air supply valve ( 18 ). 
         [0035]    In the state where a drum speed is set in the range of about 200 rpm to 400 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), the air discharge/humidity control valve ( 5 ) is opened and the fan motor ( 3 ) is operated to rotate the fan ( 4 ), thereby discharging the air inside the drum and controlling humidity for about 1 second to 50 seconds. 
         [0036]    G. Cooling down 
         [0037]    In the state where a drum speed is set in the range of about 150 rpm to 300 rpm, a drum temperature control valve ( 15 ) and a hot air/cold air circulation valve ( 2 ) are opened and the fan motor ( 3 ) is operated to rotate the fan ( 4 ). The air discharge/humidity control valve ( 5 ) is opened, thereby circulating cold air and discharging hot air for about 1 minute to 5 minutes. 
       Second Embodiment 
       [0038]      FIGS. 2A and 2B  illustrate the front side and the back side of a dry cleaning system according to the second embodiment of the present invention. A dry cleaning method using the dry cleaning system according to the second embodiment of the present invention is described in the below. 
         [0039]    A. Washing 
         [0040]    In the state where a drum speed is set in the range of about 150 rpm to 300 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using a steam radiator ( 1 )), water is drained when a drain valve ( 8 ) is opened and a drain pump ( 9 ) is operated. At the same time with the drainage or after or before the drainage, hot mist water is supplied through an air valve ( 10 ) and a water supply valve ( 15 ) for about 1 minute to 10 minutes. 
         [0041]    In the state where a drum speed is set in the range of about 150 rpm to 300 rpm and temperature is set in the range of 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), steam is supplied through a steam valve ( 11 ) for about 1 second to 20 seconds via a soap supply box ( 14 ) after or before the water supply or at the same time with the water supply through the water supply valve ( 12 ). 
         [0042]    In the state where a drum speed is set in the range of about 150 rpm to 300 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), water is drained when the drain valve ( 8 ) is opened and the drain pump ( 9 ) is operated. At the same time with the drainage or before or after the drainage, hot mist water is supplied through the air supply valve ( 10 ) and the water supply valve ( 15 ) for about 1 minute to 10 minutes. 
         [0043]    B. Dehydration 
         [0044]    In the state where a drum speed is set in the range of about 250 rpm to 450 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), water is drained when the drain valve ( 8 ) is opened and the drain pump ( 9 ) is operated. At the same time with the drainage or before or after the drainage, air is supplied through the air supply valve ( 10 ) for about 1 minute to 5 minutes. 
         [0045]    C. Sterilization and Washing In the state where a drum speed is set in the range of about 150 rpm to 300 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), water is drained when the drain valve ( 8 ) is opened and the drain pump ( 9 ) is operated. At the same time with the drainage or before or after the drainage, water is supplied through the water supply valve ( 12 ), and at the same time with the water supply or before or after the water supply, hot mist water is supplied for about 1 minute to 10 minutes through the air valve ( 10 ) and the steam supply valve ( 16 ) so as to sterilize and wash. 
         [0046]    D. Dehydration 
         [0047]    In the state where a drum speed is set in the range of about 150 rpm to 450 rpm and temperature is set in the range of about 110 rpm to 150° F. (for instance, using the steam radiator ( 1 )), water is drained when the drain valve ( 8 ) is opened and the drain pump ( 9 ) is operated. Air is supplied through air supply valve ( 10 ) for about 1 minute to 5 minutes at the same time with the drainage or before or after the drainage. 
         [0048]    E. Drying 
         [0049]    In the state where a drum speed is set in the range of about 200 rpm to 450 rpm and temperature is set in the range of about 130° F. to 170° F. (for instance, using the steam radiator ( 1 )), water is drained when the drain valve ( 8 ) is opened and the drain pump ( 9 ) is operated. At the same time with the drainage or before or after the drainage, an air discharge/humidity control valve ( 5 ) is opened and a fan motor ( 3 ) is operated to rotate a fan ( 4 ), thereby discharging air inside the drum and reducing humidity. Drying is carried out for about 15 minutes to 30 minutes while air is supplied. 
         [0050]    F. Material optimization 
         [0051]    In the state where a drum speed is set in the range of about 200 rpm to 400 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), steam and air are supplied for about 1 second to 20 seconds through the steam supply valve ( 16 ) and the air supply valve ( 10 ). 
         [0052]    In the state where a drum speed is set in the range of about 200 rpm to 400 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), the air discharge/humidity control valve ( 5 ) is opened and the fan motor ( 3 ) is operated to rotate the fan ( 4 ), thereby discharging air inside the drum and controlling humidity for about 1 second to 50 seconds. 
         [0053]    In the state where a drum speed is set in the range of about 200 rpm to 400 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), steam and air are supplied for about 1 second to 20 seconds through the steam supply valve ( 16 ) and the air supply valve ( 10 ). 
         [0054]    In the state where a drum speed is set in the range of about 200 rpm to 400 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), the air discharge/humidity control valve ( 5 ) is opened and the fan motor ( 3 ) is operated to rotate the fan ( 4 ), thereby discharging air inside the drum and controlling humidity for about 1 second to 50 seconds. 
         [0055]    In the state where a drum speed is set in the range of about 200 rpm to 400 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), steam and air are supplied for about 1 second to 20 seconds through the steam supply valve ( 16 ) and the air supply valve ( 10 ). 
         [0056]    In the state where a drum speed is set in the range of about 200 rpm to 400 rpm and temperature is set in the range of about 110° F. to 150° F. (for instance, using the steam radiator ( 1 )), the air discharge/humidity control valve ( 5 ) is opened and the fan motor ( 3 ) is operated to rotate the fan ( 4 ), thereby discharging the air inside the drum and controlling humidity for about 1 second to 50 seconds. 
         [0057]    G. Cooling down 
         [0058]    In the state where a drum speed is set in the range of about 150 rpm to 300 rpm, a drum temperature control valve ( 17 ) and a hot air/cold air circulation valve ( 2 ) are opened and the fan motor ( 3 ) is operated to rotate the fan ( 4 ). The air discharge/humidity control valve ( 5 ) is opened, thereby circulating cold air and discharging hot air for about 1 minute to 5 minutes. 
         [0059]    The effects of the present invention are not limited thereto, and other effects of the present invention can be apparently understood from the description of claims. 
         [0060]    While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the present invention as defined by the following claims. The exemplary embodiments should be considered in a descriptive sense only and not for purposes of limitation.