US20060070397A1 - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
US20060070397A1
US20060070397A1 US11/224,222 US22422205A US2006070397A1 US 20060070397 A1 US20060070397 A1 US 20060070397A1 US 22422205 A US22422205 A US 22422205A US 2006070397 A1 US2006070397 A1 US 2006070397A1
Authority
US
United States
Prior art keywords
storage space
refrigerator
inner case
evaporator
tray
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/224,222
Other languages
English (en)
Inventor
Won Jung
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Assigned to LG ELECTRONICS INC. reassignment LG ELECTRONICS INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JUNG, WON CHUL
Publication of US20060070397A1 publication Critical patent/US20060070397A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/10—Preserving with acids; Acid fermentation
    • A23B7/105—Leaf vegetables, e.g. sauerkraut
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/061—Walls with conduit means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00—Other cooling or freezing apparatus
    • F25D31/005—Combined cooling and heating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/065—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return
    • F25D2317/0655—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return through the top
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0665—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the top
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof

Definitions

  • the present invention relates to a refrigerator, and more particularly, to a refrigerator capable of preventing a layer of frost from being formed on a surface of storage space.
  • a refrigerator is classified into an indirect cooling type and a direct cooling type according to a method of cooling air in a storage space.
  • An indirect cooling type refrigerator keeps the storage space at a predetermined temperature by causing the air in the storage space to forcibly circulate in an evaporator by means of a blowing fan to cool the air in the storage space
  • a direct cooling type refrigerator keeps the storage space at a predetermined temperature by installing an evaporator to be exposed to the interior of the storage space or to be in contact with an inner surface of the storage space to directly cool the air in the storage space.
  • a kimchi refrigerator will be described herein.
  • FIG. 1 shows a kimchi refrigerator as an example of a refrigerator according to a prior art
  • FIG. 2 shows an inner case and an evaporator of the kimchi refrigerator shown in FIG. 1 .
  • the exterior and interior of a main body 11 of a kimchi refrigerator are defined by outer and inner cases 13 and 15 , respectively.
  • An insulation layer 17 is provided between the outer and inner case and 13 and 15 , and storage spaces 19 are defined within the inner case 15 .
  • Each of the storage spaces 19 is formed to be opened toward its front face and equipped with a tray 21 in which foods are stored. Furthermore, in order to draw out the tray 21 installed in each storage space 19 in a drawer-like fashion, a door 23 is provided on a front face of each tray 21 . A door handle 24 gripped by a user is also provided on a front surface of the door 23 .
  • an evaporator 25 is attached to reverse sides of the inner case 15 in order to cover an upper surface and opposite side surfaces of each storage space 19 .
  • the evaporator 25 serves to cool the air in the storage space 19 through the heat exchange between a refrigerant flowing in the evaporator and the air remaining in the storage space 19 .
  • a heater for ripening foods, particularly kimchi, received in the tray 21 is also provided below the storage space 19 .
  • a machine room 27 is provided in a lower portion of the main body 11 , and a variety of parts for a refrigeration cycle of the refrigerator are included in the machine room 27 .
  • the evaporator 25 is directly attached to the reverse sides of the inner case 15 . Therefore, as shown in FIG. 3 , if external air of relatively higher temperature is introduced into the storage space 19 and comes into contact with the surfaces thereof while a user draws out the tray 21 , moisture contained in the external air is frozen due to a temperature difference between the external air and the obverse surface. Then, the frozen moisture is accumulated on the surface of the storage space 19 as time goes by, and thus, a layer of frost is formed on the surface.
  • An object of the present invention is to provide a refrigerator configured such that a layer of frost can be prevented from being formed in a storage space.
  • a refrigerator comprising: an inner case with a storage space defined therein, the storage space being opened toward at least a face; an evaporator spaced apart by a predetermined distance from the open face of the storage space and attached to a reverse side of the inner case to cover the storage space; and a fan assembly installed in the storage space to allow air to circulate in the storage space.
  • the storage space is formed in a hexahedral shape with a front face opened, and the evaporator is attached to the reverse side of the inner case at a position spaced apart by the predetermined distance from front ends of upper and side surfaces of the storage space.
  • the fan assembly is installed on a front portion of the ceiling of the storage space.
  • the fan assembly operates only when a compressor operates.
  • the refrigerator of the present invention since the air in the storage space is circulated by the fan assembly, there is an advantage in that it is possible to prevent the phenomenon that the contact between external air of relatively high temperature and the surface of the storage space causes a layer of frost to be formed.
  • FIG. 1 is a side sectional view showing a kimchi refrigerator as an example of a related art refrigerator
  • FIG. 2 is a perspective view showing an inner case and an evaporator of the kimchi refrigerator shown in FIG. 1 ;
  • FIG. 3 is a conceptual view illustrating a problem of the related art kimchi refrigerator
  • FIG. 4 is a side sectional view showing a preferred embodiment of a kimchi refrigerator as an example of a refrigerator according to the present invention
  • FIG. 5 is a perspective view showing a major portion of the embodiment shown in FIG. 4 ;
  • FIG. 6 is a bottom perspective view showing the major portion of the embodiment shown in FIG. 4 .
  • FIG. 4 shows a preferred embodiment of a kimchi refrigerator as an example of a refrigerator according to the present invention
  • FIGS. 5 and 6 show a major portion of the embodiment shown in FIG. 4 .
  • an insulation layer 57 is provided between an outer case 53 and an inner case 55 , which define an external appearance and an internal appearance of a main body 51 of a kimchi refrigerator, respectively.
  • Storage spaces 59 are defined in the inner case 55 .
  • a tray 61 in which foods are accommodated is installed in each of the storage spaces 59 so that the tray 61 can be drawn in a drawer-like fashion.
  • a door 63 is provided on the front surface of each tray 61 to draw out the tray 61 installed in the storage space 59 , and a door handle 64 which a user grips with his/her hand is provided on the front surface of the door 63 .
  • an evaporator 65 is attached to reverse sides of the inner case 55 corresponding to upper and both side surfaces of each storage space 59 .
  • the evaporator 65 serves to perform heat exchange between a refrigerant flowing in the evaporator and air in the storage space 59 .
  • the evaporator 65 is provided on the reverse sides of the inner case 55 to be spaced apart by a predetermined distance rearward from the open front face of the storage space 59 . That is, the evaporator 65 covers the rear portions of the upper and both side surfaces of the storage space 59 which are indented rearward from front ends on the upper and both side surfaces thereof.
  • a heater (not shown) is provided in the main body 51 at a position corresponding to a lower portion of the storage space 59 .
  • the heater serves to generate heat for ripening kimchi when the kimchi is accommodated in the tray 61 .
  • a machine room 67 in which a variety of parts constructing a refrigeration cycle are equipped is provided at a lower portion of the main body 51 .
  • a fan assembly 69 is installed at a front portion on the ceiling of the storage space 59 .
  • the fan assembly 69 allows the air to circulate in the storage space 59 , so that the temperature in the storage space 59 can be kept uniform as a whole although the heat exchange between the evaporator 65 and the air in the storage space 59 occurs only in the rear portion of the storage space 59 .
  • the fan assembly 69 may comprise a fan, a driving motor for imparting a driving force to the fan, and a fan guide for fixing the fan and driving motor to the storage space.
  • the fan assembly 69 is installed on the front portion of the ceiling of the storage space 59 .
  • the reason is that the tray 61 is not prevented from being drawn out. That is, the present invention is not necessarily limited thereto.
  • the fan assembly 69 may be installed at a position where the air in the storage space 59 can effectively circulate. Such a position of the fan assembly 69 can be experimentally determined according to the shape and size of the inner case 55 and storage space 59 .
  • the fan assembly 69 may be configured in such a manner as to operate only when a compressor installed in the machine room 67 operates.
  • a user draws the tray 61 out of the storage space 59 by pulling the door handle 64 of the door 63 with hand. After the tray 61 has been drawn in such a way, the foods accommodated in the tray 61 can be taken out or new foods can be stored in the tray 61 .
  • the user allows the tray 61 to be securely placed in the storage space 59 by gripping and pushing the door handle 64 of the door 63 with hand.
  • the air remaining in the storage space 59 is cooled through the heat exchanged with the refrigerant flowing in the evaporator 65 , so that the foods can be stored fresh in the tray 61 .
  • the air in the storage space 59 can circulate by means of the fan assembly 69 . Therefore, as described above, the temperature in the storage space 59 can be kept uniform as a whole even though the heat exchange between the air in the storage space 59 and the refrigerant in the evaporator 65 occurs in the rear portion of the storage space 59 .
  • the evaporator for cooling the storage space is provided at a position spaced apart by a predetermined distance from the open face of storage space. Therefore, by reducing the temperature difference between the external air and the front portion of the storage space that first comes into contact with the external air when the door is opened, it is possible to minimize the phenomenon that a layer of frost is formed on the surface of the storage space.
US11/224,222 2004-10-05 2005-09-13 Refrigerator Abandoned US20060070397A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040079148A KR20060030321A (ko) 2004-10-05 2004-10-05 냉장고
KR10-2004-0079148 2004-10-05

Publications (1)

Publication Number Publication Date
US20060070397A1 true US20060070397A1 (en) 2006-04-06

Family

ID=36095646

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/224,222 Abandoned US20060070397A1 (en) 2004-10-05 2005-09-13 Refrigerator

Country Status (5)

Country Link
US (1) US20060070397A1 (de)
JP (1) JP2006105583A (de)
KR (1) KR20060030321A (de)
DE (1) DE102005047119A1 (de)
GB (1) GB2418978B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110048059A1 (en) * 2009-08-27 2011-03-03 Samsung Electronics Co., Ltd. Kimchi refrigerator
WO2015007017A1 (zh) * 2013-07-19 2015-01-22 海尔集团公司 直冷冰箱及其制冷方法
CN105051469A (zh) * 2012-12-05 2015-11-11 阿塞里克股份有限公司 包括蒸发器的冷却装置
CN109956143A (zh) * 2019-04-11 2019-07-02 青岛市疾病预防控制中心（青岛市预防医学研究院） 一种具有保温作用的预防医学用样品运输设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015000724A1 (de) * 2014-12-03 2016-06-09 Liebherr-Hausgeräte Ochsenhausen GmbH Gefriergerät
KR102160618B1 (ko) * 2019-01-22 2020-09-28 정완식 야채 전용 냉장고 및 그 온도제어방법

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481616A (en) * 1946-03-15 1949-09-13 Seeger Refrigerator Co Refrigerator
US2723533A (en) * 1952-07-11 1955-11-15 Gen Motors Corp Refrigerating apparatus
US4227379A (en) * 1978-02-23 1980-10-14 Tokyo Shibaura Denki Kabushiki Kaisha Cooling apparatus
US5214936A (en) * 1990-09-28 1993-06-01 Samsung Electronics Co., Ltd. Cooling air supply device for a freezer compartment
US5319937A (en) * 1991-10-10 1994-06-14 Igloo Products Corporation Thermoelectric cooler and warmer
US5842355A (en) * 1995-03-22 1998-12-01 Rowe International, Inc. Defrost control system for a refrigerator
US20020002838A1 (en) * 2000-07-05 2002-01-10 Kim Cheol-Hee Refrigerator for kimchi
US20020108393A1 (en) * 1996-12-10 2002-08-15 Schulak Edward R. Energy transfer systems for refrigerator/freezer components
US20040164654A1 (en) * 2001-06-01 2004-08-26 Karl-Friedrich Laible Cold goods container for a cooling apparatus

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GB808696A (en) * 1956-10-19 1959-02-11 Gen Motors Corp Improved refrigerator
JPS61262577A (ja) * 1985-05-17 1986-11-20 松下冷機株式会社 冷蔵庫
GB9015038D0 (en) * 1990-07-07 1990-08-29 Invicta Plastics Ltd Cooling container
DE4319237A1 (de) * 1993-06-09 1994-12-15 Linde Ag (Tief)kühlmöbel
KR100191499B1 (ko) * 1994-11-17 1999-06-15 윤종용 냉장고의 운전제어장치 및 그 방법
US5784896A (en) * 1996-10-18 1998-07-28 White Consolidated Industries, Inc. Freezer or refrigerator construction suitable for food service use
JPH10311649A (ja) * 1997-05-15 1998-11-24 Fuji Electric Co Ltd 食品用冷凍庫およびその運転制御方法
JP2000028257A (ja) * 1998-07-07 2000-01-28 Toshiba Corp 冷蔵庫
JP2000121230A (ja) * 1998-10-20 2000-04-28 Toshiba Corp 冷凍冷蔵庫
JP2001201230A (ja) * 2000-01-21 2001-07-27 Gac Kk 貯蔵庫およびその制御方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481616A (en) * 1946-03-15 1949-09-13 Seeger Refrigerator Co Refrigerator
US2723533A (en) * 1952-07-11 1955-11-15 Gen Motors Corp Refrigerating apparatus
US4227379A (en) * 1978-02-23 1980-10-14 Tokyo Shibaura Denki Kabushiki Kaisha Cooling apparatus
US5214936A (en) * 1990-09-28 1993-06-01 Samsung Electronics Co., Ltd. Cooling air supply device for a freezer compartment
US5319937A (en) * 1991-10-10 1994-06-14 Igloo Products Corporation Thermoelectric cooler and warmer
US5842355A (en) * 1995-03-22 1998-12-01 Rowe International, Inc. Defrost control system for a refrigerator
US20020108393A1 (en) * 1996-12-10 2002-08-15 Schulak Edward R. Energy transfer systems for refrigerator/freezer components
US20020002838A1 (en) * 2000-07-05 2002-01-10 Kim Cheol-Hee Refrigerator for kimchi
US20040164654A1 (en) * 2001-06-01 2004-08-26 Karl-Friedrich Laible Cold goods container for a cooling apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110048059A1 (en) * 2009-08-27 2011-03-03 Samsung Electronics Co., Ltd. Kimchi refrigerator
CN105051469A (zh) * 2012-12-05 2015-11-11 阿塞里克股份有限公司 包括蒸发器的冷却装置
WO2015007017A1 (zh) * 2013-07-19 2015-01-22 海尔集团公司 直冷冰箱及其制冷方法
CN109956143A (zh) * 2019-04-11 2019-07-02 青岛市疾病预防控制中心（青岛市预防医学研究院） 一种具有保温作用的预防医学用样品运输设备

Also Published As

Publication number Publication date
JP2006105583A (ja) 2006-04-20
DE102005047119A1 (de) 2006-04-06
GB2418978B (en) 2009-06-10
GB0518471D0 (en) 2005-10-19
GB2418978A (en) 2006-04-12
KR20060030321A (ko) 2006-04-10

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Date Code Title Description
AS Assignment

Owner name: LG ELECTRONICS INC., KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:JUNG, WON CHUL;REEL/FRAME:017276/0923

Effective date: 20051116

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION