WO2003027576A1 - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- WO2003027576A1 WO2003027576A1 PCT/JP2002/006456 JP0206456W WO03027576A1 WO 2003027576 A1 WO2003027576 A1 WO 2003027576A1 JP 0206456 W JP0206456 W JP 0206456W WO 03027576 A1 WO03027576 A1 WO 03027576A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrical component
- component box
- casing
- centrifugal blower
- air conditioner
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0022—Centrifugal or radial fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
- F24F2013/207—Casings or covers with control knobs; Mounting controlling members or control units therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/14—Details or features not otherwise provided for mounted on the ceiling
Definitions
- the present invention relates to an air conditioner, particularly to an air conditioner of a buried ceiling type or a suspended ceiling type.
- An air conditioner is mainly composed of an outdoor unit having a compressor and a heat exchanger, and an indoor unit having a centrifugal blower and a heat exchanger.
- Various types of indoor units are provided, such as a wall-mounted type, a ceiling buried type, and a ceiling suspended type.
- the ceiling-mounted or ceiling-suspended indoor unit mainly consists of a casing with an inlet and a plurality of outlets on the lower surface, a centrifugal blower placed inside the casing, and an upper part of the inlet It has a bell mouth and a heat exchanger arranged around the centrifugal blower. Inside the indoor unit, an electrical component box containing electrical components used for operation control of the air conditioner is arranged.
- the weight of the electrical component box may act on the outer peripheral portion of the bellmouth, and the vertical position of the bellmouth may be changed.
- the centrifugal blower since the centrifugal blower is mounted on the top of the casing, the vertical position is kept constant. For this reason, the relative distance between the centrifugal blower and the bell mouth may change from a predetermined value, and the blowing performance of the centrifugal blower may be reduced.
- the air conditioner according to claim 1 is a ceiling-mounted or ceiling-suspended type air conditioner, which stores casing, a centrifugal blower, a heat exchanger, a bellmouth, and electrical components. Electrical equipment box.
- the casing has a suction port for sucking air into the inside, and a plurality of outlets for blowing air to the outside.
- the suction port is provided on the lower surface of the casing.
- the centrifugal blower is located above the suction port inside the casing.
- the heat exchanger is arranged so as to surround the centrifugal blower.
- the plurality of outlets are arranged on the outer peripheral side of the heat exchanger.
- the bellmouth is located between the inlet and the centrifugal blower.
- the electrical component box is mounted on the top of the casing.
- the weight of the electrical component box is less likely to act on the bellmouth.
- the relative distance between the centrifugal blower and the bellmouth can be maintained at a predetermined value, and the blowing performance of the centrifugal blower can be exhibited.
- the air conditioner according to claim 2 is the air conditioner according to claim 1, wherein the electrical component box extends from the top surface of the casing to the bell mouth. Bellmouth is supported by the electrical component box.
- the bell mouth is supported by an electrical component box mounted on the top surface of the casing.
- Bellmouth is supported on the top of the casing through the electrical component box.
- the vertical position of the bellmouth becomes more stable.
- the air conditioner according to claim 3 is the air conditioner according to claim 2, wherein the electrical component box comprises: an electrical component box main body in which the electrical components are stored; and a main body mounting portion for detachably mounting the electrical component box main body. And a lid member for opening and closing the electrical component box main body.
- the main body mounting member is mounted on the top surface of the casing.
- the lid member is arranged so as to sandwich the bell mouth between the lower end of the electrical component box body and the bell mouth.
- the electrical component box main body is detachably mounted on the main body mounting member mounted on the top surface of the casing. Can be removed.
- the lid of the electrical component box closes the lower end of the electrical component box and supports the bell mouth, the number of parts can be reduced.
- An air conditioner according to a fourth aspect is the air conditioner according to any one of the first to third aspects, wherein the electrical component box is arranged at a position corresponding to a position between the plurality of outlets.
- An air conditioner according to a fifth aspect is the air conditioner according to the fourth aspect, wherein the casing has a substantially rectangular shape, and the plurality of outlets are arranged at positions corresponding to each side of the casing.
- the electrical component box is located at a position corresponding to the rectangular corner of the casing.
- the electrical component box is located at a position corresponding to the corner where the outlet of the casing is not located, so that the space inside the casing can be effectively used.
- the air conditioner according to claim 6 is the air conditioner according to claim 5, wherein the heat exchanger includes a plurality of protrusions formed so as to be separated from an outer peripheral portion of the centrifugal blower, and a heat exchanger so as to approach the outer peripheral portion of the centrifugal blower. And a plurality of recesses formed.
- the protrusion is arranged at least at a position corresponding to the corner.
- the electrical component box is located at a position sandwiched between the outer peripheral portion and the convex portion of the centrifugal blower.
- the heat exchanger has a plurality of concave portions and a plurality of convex portions, and the convex portions are disposed at positions corresponding to corners of the casing having a substantially rectangular shape.
- a region sandwiched between the outer peripheral portion of the centrifugal blower and the convex portion of the heat exchanger has a larger space than other regions. Since the electrical component box is arranged in this area, the effective length of the heat exchanger can be increased by forming a plurality of concave portions and a plurality of convex portions, and the space inside the casing can be effectively used.
- FIG. 1 is an external perspective view of an indoor unit of an air conditioner according to one embodiment of the present invention.
- FIG. 2 is a bottom view showing the inside of the indoor unit of the air conditioner according to one embodiment of the present invention.
- FIG. 3 is a sectional view taken along the line AA-O-A of FIG. .
- FIG. 4 is an exploded perspective view showing assembling of a bell mouth and an electrical component box to a casing.
- FIG. 5 is an enlarged sectional view of the vicinity of the electrical component box in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 shows an external perspective view (the ceiling is omitted) of an indoor unit 1 of an air conditioner according to an embodiment of the present invention.
- the indoor unit 1 is a ceiling buried type, and includes a casing 11 buried in the ceiling and a modified ft panel 12 arranged on a lower surface of the casing.
- the casing 11 is a member for storing the components of the indoor unit 1 therein.
- the caging 11 has a substantially rectangular outer shape in the present embodiment.
- the decorative panel 12 includes a suction port 20 provided at the center of the lower surface, and four outlets 21 provided on the outer peripheral side of the suction port 20.
- FIG. 2 is a bottom view showing the inside of the indoor unit 1
- FIG. 3 is a sectional view taken along line A-0-A of FIG.
- the casing 11 mainly includes a centrifugal blower 17, a heat exchanger 27, a drain pan 2.5, a bell mouth 18, and an electrical component box 16.
- One of the corners 11a of the casing 11 has a space for connecting the heat exchanger 27 and an outdoor unit (not shown). Are formed.
- the electrical component box 56 shown by a dotted line in FIGS. 2 and 3 shows the arrangement of the conventional electrical component box.
- the centrifugal blower 17 draws indoor air from the intake port 20 and sends air to the side.
- the rotation axis of the centrifugal blower 17 is set to the rotation axis 0-0, and the rotation direction of the centrifugal blower 17 is set to the rotation direction R.
- the heat exchanger 27 is a device for exchanging heat with the air blown from the centrifugal blower 17 and is arranged so as to surround the centrifugal blower 17.
- the heat exchanger 27 is formed by bending a cross-fin type heat exchanger panel. And has two concave portions 27a and 27c and two convex portions 27b and 27d.
- the concave portion 27 a is a portion formed so as to approach the outer peripheral portion of the centrifugal blower 17, and in the present embodiment, the concave portion 27 a is located on the anti-rotation direction R side of the pipe connection portion 26. It is formed corresponding to the outlet 21 on the side.
- the convex portion 27 b is a portion formed so as to be separated from the outer peripheral portion of the centrifugal blower 17.
- the corner portion 1 1 a of the pipe connection portion 26 on the anti-rotation direction R side is provided. It is formed corresponding to.
- a recess 27c is arranged corresponding to the outlet 21 on the side of the protrusion 27d in the anti-rotation direction R side, and a corner 1 1 of the recess 27c in the anti-rotation direction R side 1 1 A protrusion 27 d is formed corresponding to a.
- the drain pan 25 is a resin plate-shaped member for receiving condensed water generated when air is cooled in the heat exchanger 27.
- the drain pan 25 is disposed below the heat exchanger 27 and has a casing 1. Mounted at the bottom of 1. As shown in FIG. 4, the drain pan 25 has a circular hole 25a corresponding to the suction port 20, a square hole 25 corresponding to the four outlets 21, and an outer peripheral edge of the circular hole 25a. And a first groove portion 25c formed by further notching a rectangular shape.
- the first groove portion 25c is arranged at a position corresponding to one of the corner portions 11a of the casing 11.
- the bell mouth 18 is a plate-shaped member having a bell-shaped opening at the center, and is disposed between the suction port 20 and the drain pan 25, and has a fixing screw 30. Attached to the drain pan 25.
- the outer periphery of the bell mouth 18 is formed with a second groove portion 18a in which a position corresponding to the first groove portion 25c of the drain pan 25 is cut out.
- the first groove portion 25c and the second groove portion 18a are vertically overlapped to form the window portion 44, and the electrical component box in which the lower end of the electrical component box 16 is disposed.
- Reference numeral 16 denotes a device for storing electrical components used for operation control and the like having a shape extending from the top surface of the casing 11 to the bell mouth 18.
- the electrical component box 16 is disposed between the outer peripheral portion of the centrifugal blower 17 and the convex portion 27b of the heat exchanger 27, as shown in FIG.
- the electrical component box 16 has an electrical component box body 41 containing electrical components used for operation control and the like, and the electrical component box body 41 detachably mounted.
- a lid member 43 for opening and closing the box body 41.
- the electrical component box body 41 is a vertically long box-shaped member for storing electrical components used for operation control and the like, and a claw portion 41a is formed on an upper side surface thereof.
- the main body mounting member 42 includes a fixed surface portion 42 a mounted on the top surface of the casing 11 by a fixing screw 31, and a first surface extending downward from a side of the fixed surface portion 42 a on the side of the centrifugal fan 17.
- the side surface part 4 2b, the second side surface part 42 c extending downward from the side of the fixed surface part 42 a on the heat exchanger 27 side, and the centrifugal blower 17 side from the lower end of the second side surface part 42 c And an extended support surface 42d.
- a slit hole 42e is formed in the first side surface portion 42b, and the claw portion 41a of the electrical component box body 41 is locked.
- the second side surface portion 42c has a protrusion 42f protruding in the direction of the electrical component box body 41, and supports one side surface of the electrical component box body 41.
- the support surface 42 d supports the lower end of the electrical component box body 41.
- the lid member 43 is a plate-like member arranged so as to sandwich the peripheral edge of the second groove 18a of the bell mouth 18 with the lower end of the electrical component box main body 41, and is fixed by a fixing screw 32. It is attached to the electrical component box body 41.
- the electrical component box main body 41 is detachably mounted on the main body mounting member 42.
- the peripheral edge of the second groove 18 a of the bell mouth 18 is supported by the lid member 43 so as to be pushed upward.
- the attachment / detachment of the electrical component box body 41 during the inspection of the electrical component box 16 will be described with reference to FIG. A procedure for removing the electrical component box main body 41 from the main body mounting member 42 will be described. First, remove the fixing screw 32 and remove the lid member 43. Next, the lower end of the electrical component box body 41 is pulled toward the centrifugal blower 17. Then, the electrical component box main body 4 1 1 tilts with the protrusion 4 2 f of the main body mounting member 4 2 as a fulcrum, and the claw portion 4 1 a of the electrical component box main body 4 1 and the slit hole 4 2 of the main body mounting member 4 2 are formed. e is separated. After that, the electrical component box body 4 1 is pulled out obliquely downward from the window section 4 4.
- the electrical component box main body 41 is mounted on the main body mounting member 42, the electrical component box main body 41 is mounted by reversing the above removal procedure.
- the air conditioner of the present embodiment has the following features.
- the conventional electrical component box 56 is arranged on the outer peripheral portion of the bellmouth 18, so that the weight of the electrical component box 56 acts on the outer peripheral portion of the bellmouth 18. As a result, the vertical position of the pelmouth 18 may change.
- the weight of the electrical component box 16 is less likely to act on the bell mouth 18.
- the lap allowance d (relative distance) between the centrifugal blower 17 and the bell mouth 18 is maintained at a predetermined value, and the blowing performance of the centrifugal blower 17 can be exhibited.
- the bell mouth 18 is supported by the electrical component box 16 mounted on the surface of the casing 11. That is, the bell mouth 18 is supported on the top surface of the casing 11 via the electrical component box 16. As a result, the upper and lower positions of the bell mouth 18 are positioned and stabilized.
- the electrical component box main body 41 is detachably mounted on the main body mounting member 42 mounted on the top surface of the casing 111. Can be removed. Also, since the lid 43 of the electrical component box 16 closes the lower end of the electrical component box 16 and supports the bell mouth 18, the component parts The number can be reduced.
- the electrical component box 16 is disposed at a position corresponding to one between the blowouts p 21 provided on each side of the casing 11, the electrical component box 16 is disposed on the outer peripheral side from the centrifugal blower 17. The resistance of the blown air is reduced.
- the heat exchanger 27 since the heat exchanger 27 has two concave portions 27a and 27c and two convex portions 27b and 27d, the heat exchanger 27 is different from a conventional heat exchanger. The effective length has increased. Since the concave portions 27 a and 27 c are arranged at positions corresponding to the outlets 21, the opening area of the outlets 21 is not reduced.
- the protrusion 27 b of the heat exchanger 27 is arranged at a position corresponding to the corner 11 a of the casing 11.
- a region sandwiched between the outer peripheral portion of the centrifugal blower 17 and the convex portion 27b has a larger space than other regions. Since the electrical component box 16 is arranged in this area, the space of the casing 11 can be effectively used.
- the present invention is applied to an air conditioner of a buried ceiling type, but the present invention can also be applied to an air conditioner of a suspended ceiling type.
- the weight of the electrical component box does not easily act on the pelmouth, so that the relative distance between the centrifugal blower and the bell mouth is maintained at a predetermined value, and the blow performance of the centrifugal blower is exhibited. Can be done.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02738810A EP1471310A4 (en) | 2001-09-21 | 2002-06-26 | Air conditioner |
KR10-2003-7004857A KR100513092B1 (en) | 2001-09-21 | 2002-06-26 | Air Conditioner |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001287998A JP3669315B2 (en) | 2001-09-21 | 2001-09-21 | Air conditioner |
JP2001-287998 | 2001-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003027576A1 true WO2003027576A1 (en) | 2003-04-03 |
Family
ID=19110714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/006456 WO2003027576A1 (en) | 2001-09-21 | 2002-06-26 | Air conditioner |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1471310A4 (en) |
JP (1) | JP3669315B2 (en) |
KR (1) | KR100513092B1 (en) |
CN (2) | CN2536950Y (en) |
WO (1) | WO2003027576A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1548372B1 (en) * | 2002-08-30 | 2013-04-10 | Toshiba Carrier Corporation | Ceiling embedded-type air conditioning apparatus |
KR20050038710A (en) | 2003-10-22 | 2005-04-29 | 삼성전자주식회사 | Blower and air conditioner with the same |
KR101195884B1 (en) | 2007-07-18 | 2012-10-30 | 삼성전자주식회사 | Ceiling type air conditioner |
CN102635899A (en) * | 2012-05-07 | 2012-08-15 | 无锡市汉马空调与通风设备有限公司 | Embedded fan coil pipe provided with detachable control device |
KR102168584B1 (en) | 2013-11-12 | 2020-10-22 | 삼성전자주식회사 | Indoor unit of ceiling type air-conditioner |
CN104896574A (en) * | 2014-03-05 | 2015-09-09 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
CN105222305B (en) * | 2015-10-16 | 2018-11-13 | 珠海格力电器股份有限公司 | Fan assembly and the air-conditioning for being equipped with the fan assembly |
KR102403336B1 (en) * | 2015-12-31 | 2022-05-27 | 엘지전자 주식회사 | An air conditioner |
JP6705051B2 (en) * | 2017-03-15 | 2020-06-03 | 東芝キヤリア株式会社 | Air conditioner indoor unit |
CN113375228B (en) * | 2021-06-15 | 2022-11-22 | 美的集团(上海)有限公司 | Air conditioner |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04236024A (en) | 1991-01-10 | 1992-08-25 | Mitsubishi Electric Corp | Indoor device of air conditioner |
JPH09243109A (en) * | 1996-03-06 | 1997-09-16 | Daikin Ind Ltd | Ceiling installed type air conditioner |
JPH11201497A (en) * | 1998-01-16 | 1999-07-30 | Daikin Ind Ltd | Air conditioner |
JP2000065385A (en) * | 1998-08-25 | 2000-03-03 | Fujitsu General Ltd | Ceiling embedded air conditioner |
WO2001055649A1 (en) * | 2000-01-28 | 2001-08-02 | Toshiba Carrier Corporation | Cassette type air conditioner for mounting in the ceiling |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09303815A (en) * | 1996-05-09 | 1997-11-28 | Matsushita Refrig Co Ltd | Air conditioner |
JPH11264575A (en) * | 1998-03-19 | 1999-09-28 | Fujitsu General Ltd | Ceiling recessed air conditioner |
-
2001
- 2001-09-21 JP JP2001287998A patent/JP3669315B2/en not_active Expired - Fee Related
-
2002
- 2002-01-24 CN CN02202155U patent/CN2536950Y/en not_active Expired - Lifetime
- 2002-01-24 CN CNB021028397A patent/CN1198095C/en not_active Expired - Fee Related
- 2002-06-26 EP EP02738810A patent/EP1471310A4/en not_active Withdrawn
- 2002-06-26 WO PCT/JP2002/006456 patent/WO2003027576A1/en active IP Right Grant
- 2002-06-26 KR KR10-2003-7004857A patent/KR100513092B1/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04236024A (en) | 1991-01-10 | 1992-08-25 | Mitsubishi Electric Corp | Indoor device of air conditioner |
JPH09243109A (en) * | 1996-03-06 | 1997-09-16 | Daikin Ind Ltd | Ceiling installed type air conditioner |
JPH11201497A (en) * | 1998-01-16 | 1999-07-30 | Daikin Ind Ltd | Air conditioner |
JP2000065385A (en) * | 1998-08-25 | 2000-03-03 | Fujitsu General Ltd | Ceiling embedded air conditioner |
WO2001055649A1 (en) * | 2000-01-28 | 2001-08-02 | Toshiba Carrier Corporation | Cassette type air conditioner for mounting in the ceiling |
Non-Patent Citations (1)
Title |
---|
See also references of EP1471310A4 |
Also Published As
Publication number | Publication date |
---|---|
EP1471310A4 (en) | 2009-12-09 |
KR20030046486A (en) | 2003-06-12 |
JP2003097821A (en) | 2003-04-03 |
CN1410726A (en) | 2003-04-16 |
KR100513092B1 (en) | 2005-09-07 |
CN1198095C (en) | 2005-04-20 |
JP3669315B2 (en) | 2005-07-06 |
CN2536950Y (en) | 2003-02-19 |
EP1471310A1 (en) | 2004-10-27 |
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