AU2312401A - Panel structure of outdoor unit for separate type air conditioner - Google Patents
Panel structure of outdoor unit for separate type air conditioner Download PDFInfo
- Publication number
- AU2312401A AU2312401A AU23124/01A AU2312401A AU2312401A AU 2312401 A AU2312401 A AU 2312401A AU 23124/01 A AU23124/01 A AU 23124/01A AU 2312401 A AU2312401 A AU 2312401A AU 2312401 A AU2312401 A AU 2312401A
- Authority
- AU
- Australia
- Prior art keywords
- panel structure
- panel
- formed part
- edges
- parts
- 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.)
- Granted
Links
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/40—Vibration or noise prevention at outdoor units
-
- 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
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
-
- 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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
-
- 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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Description
AUSTRALIA
PATENTS ACT 1990 COMPLETE SPECIFICATION NAME OF APPLICANT(S): LG Electronics Inc.
ADDRESS FOR SERVICE: DAVIES COLLISON CAVE Patent Attorneys 1 Little Collins Street, Melbourne, 3000.
INVENTION TITLE: Panel structure of outdoor unit for separate type air conditioner The following statement is a full description of this invention, including the best method of performing it known to me/us:- BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a separate type air conditioner, and more particularly, to a panel structure at sides, front and rear of a separate type air conditioner, which can suppress •vibration from various components in an outdoor unit.
Background of the Related Art i The separate type air conditioner is provided with an indoor unit having an evaporator for making heat exchange with room air to discharge cool air, and an outdoor unit for making heat exchange with external air to discharge hot air. Particularly, the outdoor unit is provided with a compressor, a motor, a fan, a condenser, and the like, enclosed by the front, and rear panels that form an outer appearance of the outdoor unit.
When the outdoor unit is put into operation, there is vibration occurred from the components, such as the compressor, the motor, the fan, and the like(vibration causing components) and transmitted to the panel, inevitably. If the frequency of vibration coming from the vibration causing components is below a natural frequency of the panel, most of the vibration from the vibration causing components is cut off by a rigidity of the panel. However, if the natural frequency of the panel falls on a range of the frequency from the vibration causing components, the panel resonates to form a loud noise or to deform the panel. For preventing this, though a variety of methods, such as forming the panel with a thick plate or the like, for suppressing or absorbing the vibration from the components is suggested. most of the methods have problems in that an increased production cost and a drop of productivity are accompanied.
Consequently, as a method that costs low yet is productive, a method for applying forming to the panel is suggested for suppressing the vibration, which is known as an art in which a flat panel is pressed to recess a portion thereof by an equipment, such as a press or the like. The forming makes a section modulus of the panel greater to enhance a rigidity, and increase the natural frequency of the panel. The higher the natural frequency of the panel, the more difficult the resonance of the panel with the vibration causing components, that enhances a vibration suppressing effect of the panel as much.
A related art panel of an outdoor unit for a separate type air conditioner having the forming applied thereto will be explained, with reference to FIGS. IA 2B. FIGS. 1A and 1B illustrate a perspective view and a front view of a front panel, and FIG. 2A and 2B illustrate a e S* perspective view and a front view of a rear panel and a side panel.
Referring to FIGS. 1A and 1 B, the front panel 10 is provided with coupling parts 11 and 12 bent inward for coupling with a rear panel 20, a cover(not shown), a base(not shown) along sides thereof, an external air inlet 13 in one side portion(left side in FIGS. 1A and 1B) of the front panel 10 opposite to a portion of the air conditioner where a fan(not shown) is fitted, and a coupling part 14 on an inside circumference of the external air inlet 13 for fitting a front grill (not shown) thereto. In order to enhance rigidity of the related art front panel 10, a first formed part 15 is provided in a portion the other side of the front panel 10 O(a right side in FIGS. 1A and 1 B) opposite to a portion a compressor(not shown) is fitted. Most of the first formed part 15 at a portion opposite to a portion the compressor is fitted has a vertically elongated rectangular form, because the compressor has the vertically elongated form.
Referring to FIGS. 2A and 2B. the rear panel 20 is provided with side panels 30 bent forward at opposite sides of the rear panel 20, a front panel 10 coupling part 3 1 at each end of the side panels 30 for coupling with the rear panel 20 coupling part of the front panel 10, and a coupling part 21 or 32 on upper and lower sides of each of the rear panel 20 and the side panels 30 bent inward for coupling with the cover or the base. There are grills 50 in at least one side portion of the rear panel 20, and in at least one of the two side panels 30. Those grills 40 and serve the external air forcibly drawn into the outdoor unit through the external air inlet 13 by an outdoor unit fan to be subjected to heat exchange at a condenser(not shown) and discharged, .o smoothly. Though FIG. 2A illustrates the grill 50 formed in only one side panel 30, there are cases when the grills 50 are formed in both of the side panels 30. The foregoing related art rear panel and the side panels 20 and 30 have a second formed part 22 in a portion opposite to a .portion the compressor is fitted and the grills 40 and 50 are not formed, in the other side of the rear panel 20(a left side in FIGS. 2A and 2B) for enhancing rigidity. As explained, the *portion opposite to a portion the compressor is fitted, the second formed part 22 has a .i 15 vertically elongated rectangular form owing to the form of the compressor, with a width in FIGS.
2A and 2B smaller than a width of the vertically elongated rectangular form in FIGS. I A and 1B.
The formation of the first and second formed parts 15 and 22 in portions of the front and rear panels, portions opposite to a portion the compressor is fitted increase section modulus of the panels 10 and 20, to enhance rigidity of the panels 10 and 20, that in turn improves a vibration absorbing effect: However, the application of the first and second formed parts to the related art front and rear panels has been formed, not in optimal portions which can suppress the vibration of the outdoor unit the best, but in appropriate portions having adequately large areas, in the front and rear panels opposite to a portion the compressor is fitted merely based on intuition of the designer. Though the application of the local first and second forming parts shows an increased rigidity of the front and rear panels compared to a case the formed parts are not applied, since the formed parts are not applied to decisive parts to the rigidity of the front and the rear panels, the rigidity, natural frequencies, of the front and rear panels inclusive of the side panels are not optimized. Therefore, if the vibration from the vibration causing components of the outdoor unit can not be suppressed by the application of the first and second formed parts provided to the front o0 Sand rear panels, the vibration can not but be reduced by using means that accompany a high cost and drop of a productivity.
SUMMARY OF THE INVENTION Accordingly, the present invention is directed to a panel structure of an outdoor unit for a separate type air conditioner that substantially obviates one or more of the problems due to limitations and disadvantages of the related art.
An object of the present invention is to provide a panel structure of an outdoor unit for a separate type air conditioner, of which rigidity with respect to vibration of the panel is optimized.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to achieve the object of the present invention, the vibration analyses is used in calculation of vibration mode shape of each member to find out the most weak portion.
According to a result of the vibration analyses, portions of the panel the most weak to vibration are upper and lower portions of an air inlet in a front panel, and grill itself and upper and lower portions of the grill in a rear panel. The present invention applies a forming process to the weak portions of the panels, to form formed parts therein, that permits to achieve the objects of the present invention.
To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described, the panel structure of an outdoor unit for a separate type air conditioner includes a front panel having an air inlet in one side portion, and a S: first formed part in the other side portion opposite to a compressor, a rear panel having a grill in 10 one side portion and a second formed part in the other side portion opposite to the compressor, side panels at both sides of the rear panel coupled to the front panel having a grill at least one of the side panels, a third formed part around the air inlet, a fourth formed part to the grill, and a fifth formed part to required ribs of the grill.
It is to be understood that both the foregoing general description and the following :15 detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.
BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention: In the drawings: FIG. I A illustrates a perspective view of a related art front panel of an outdoor unit for an air conditioner: FIG. IB illustrates a front view of a related art front panel of an outdoor unit for an air conditioner; FIG. 2A illustrates a perspective view of a related art rear and side panels of an outdoor unit for an air conditioner; FIG. 2B illustrates a front view of a related art rear panel of an outdoor unit for an air conditioner; S"FIG. 3A illustrates a perspective view of a front panel of an outdoor unit for an air conditioner in accordance with a preferred embodiment of the present invention; oe FIG. 3B illustrates a front view of a front panel of an outdoor unit for an air conditioner S in accordance with a preferred embodiment of the present invention; FIG. 3C illustrates an enlarged view of part in FIG. 3A; o• FIG. 3D illustrates an enlarged view of'II' part in FIG. 3A; FIG. 4A illustrates a perspective view of rear and side panels of an outdoor unit for an :15 air conditioner in accordance with a preferred embodiment of the present invention; FIG. 4B illustrates a front view of a rear panel of an outdoor unit for an air conditioner in accordance with a preferred embodiment of the present invention; FIG. 4C illustrates an enlarged view of 'III' part in FIG. 4A; FIG. 4D illustrates an enlarged view of 'IV' part in FIG. 4A; FIG. 5A illustrates an example showing variations of shapes of related art rear and side panels of an outdoor unit for a separate type air conditioner when first to third order natural frequencies are applied thereto; and, FIG. 5B illustrates an example showing variations of shapes of rear and side panels of an outdoor unit for a separate type air conditioner in accordance with a preferred embodiment of the present invention when first to third order natural frequencies are applied thereto.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Components of the present invention identical to the related art are given the same reference symbols. In the present invention, main stress is laid upon rigidity enhancement of a panel structure by changing a shape of the formed part and application of new formed part. FIG. 3A illustrates a perspective view 00 *0 o 0 00 0 of a front panel of an outdoor unit for an air conditioner in accordance with a preferred o *o embodiment of the present invention, FIG. 3B illustrates a front view of a front panel of an .1 0 o outdoor unit for an air conditioner in accordance with a preferred embodiment of the present invention, FIG. 3C illustrates an enlarged view of part in FIG. 3A, FIG. 3D illustrates an 0o 0 enlarged view of 'II' part in FIG. 3A, FIG. 4A illustrates a perspective view of rear and side 0:o: o panels of an outdoor unit for an air conditioner in accordance with a preferred embodiment of the present invention, FIG. 4B illustrates a front view of a rear panel of an outdoor unit for an air conditioner in accordance with a preferred embodiment of the present invention, FIG. 4C illustrates an enlarged view of'III' part in FIG. 4A, and FIG. 4D illustrates an enlarged view of 'IV' part in FIG. 4A.
Referring to FIGS. 3A 4D, the front panel 10 of the present invention has an air inlet 13 in one side portion, and a first formed part 15 in the other side portion opposite to a compressor, and the rear panel 20 has a grill 40 in one side portion and a second formed part in the other side portion opposite to the compressor. There are side panels 30 at both edges of the rear panel 20 coupled to the front panel 10 having a grill 50 at least one of the side panels limited only to the vertical ribs 42 and 52, but applicable only to horizontal ribs 45 and 55, or some or all of the vertical and horizontal ribs 42, 52; 45, 55, for enhancing section modulus.
The first to fifth formed parts 15, 16, 22, 41, 51,43, 53 may be recessed in one direction, or alternately, or in any directions according to the intention of the designer. In the preferred embodiment of the present invention, the direction of recess of the first and third formed parts and 16 are set to be opposite for the sake of good looking. In detail, in front view of the front panel 10, the first formed part 15 is convex, and the third formed part is concave, to form a .i S: •section of a boundary of the first and third formed parts 15 and 16 to be stepped(see FIG. 3D).
Alikely, the fourth and fifth formed parts 41, 51; 43, 53 are also recessed alternately for providing a good looking for the rear and side panels 20 and 30 having the grills 40 and formed therein. Particularly, convex fourth formed parts 41, 51 and concave fifth formed parts 43, 53 provide better looking appearance.
Referring to FIGS. 4A and 4B, if the rear panel 20 is required to have a greater rigidity, the second formed part may be divided into two. In detail, the second formed part is divided into two vertically elongated rectangular parts 22 and 23, to provide facing edges thereof more which increase a section modulus that enhances the rigidity of the rear panel In the meantime, it is preferable that distances between edges of the first to fourth formed parts 15, 16, 22, 41, and 51 and edges of the front, rear, and side panels 10, 20 and 30 are limited to 5 20mm taking a formability coming from the first to fourth formed parts 15, 16, 22, 41, and 51 into account. If the distance is below 5mm, the edges of the panel is rolled owing to a thickness of the panel itself, which deteriorates formability of the first to fourth formed parts 16, 22, 41, and 51. If the distance is greater than 20mm, there is an excessive gap between the edges of the first to fourth forming parts 15, 16, 22, 41, and 51 and the edges of the front, rear 9 and side panels 10, 20 and 30, such that a section modulus increase owing to the first to fourth forming parts 15, 16, 22, 41, and 51 is difficult to expect. That is, the distance between the formed parts and the edges 5 20mm satisfies both the formability and section modulus of the panels. This is applicable to a distance between edges of the ribs 42 and 52 and edges of the fifth formed parts 43 and 53 as it is, to have a gap of 5 15mm between the edges of the ribs 42 and 52 and the edges of the fifth formed part. It is known from experiments that it is preferable that a distance between edges of the formed parts are less than the foregoing distances. That is, it is e9 preferable that opposite edges of the first and third formed parts 15 and 16 and adjacent edges of the second and fourth formed parts 22 and 41 are limited to 5 Though the distances may vary with sizes and structures of the systems, and panel thicknesses, the distance can be applicable to the separate type air conditioner the applicant manufactures and the air conditioners in market. Therefore, if required, though precise distances can be found for every system by using the vibration analyses suggested in the present invention.
Table 1 shows comparisons of vibrations of the rear and side panels applied to an outdoor unit of the present invention and the related art obtained from vibration analyses.
Tablel Vibration Mode Related Art The Present Invention First natural frequency 2.3Hz 2.6Hz Second natural frequency 3.1Hz 5.6Hz Third natural frequency 5.5Hz 7.2Hz Referring to FIG. 5B, a result of deformation analyses of the rear and side panels for first to third order natural vibration shows that the deformation of the present invention is smaller than the related art, thereby understanding that a vibration suppression effect of the present invention is enhanced.
As has been explained, by finding a position of the panel the most weak to vibration by using vibration analyses, and providing formed parts to the weak parts, the panel structure of an outdoor unit for a separate type air conditioner of the present invention can form a panel having a maximum rigidity. That is, the panel with a maximum rigidity can increase the natural frequency of the panel, that suppresses vibration of the panel. Eventually, the panel structure of an outdoor unit for a separate type air conditioner of the present invention can suppress vibration at a low cost without accompanying deterioration of productivity.
It will be apparent to those skilled in the art that various modifications and variations can be made in the panel structure of an outdoor unit for a separate type air conditioner of the present 10 invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
o• Throughout this specification and the claims which follow, unless the context requires otherwise, the word "comprise", ::*and variations such as "comprises" and "comprising", will be understood to imply the inclusion of a stated integer or step or group of integers or steps but not the exclusion of any other integer or step or group of integers or steps.
The reference to any prior art in this specification is not, and should not be taken as, an acknowledgement or any form of suggestion that that prior art forms part of the common general knowledge in Australia.
Claims (14)
1. A panel structure of an outdoor unit for a separate type air conditioner comprising: a front panel having an air inlet in one side portion, and a first formed part in the other side portion opposite to a compressor; a rear panel having a grill in one side portion and a second formed part in the other side portion opposite to the compressor; side panels at both sides of the rear panel coupled to the front panel having a grill at least *e one of the side panels; a third formed part around the air inlet; a fourth formed part to the grill; and a fifth formed part to required ribs of the grill.
2. A panel structure as claimed in claim l,wherein edges of the front, rear and side panels are adjacent to edges of the first to fourth formed parts.
3. A panel structure as claimed in claim 2, wherein the first to fourth formed parts are rectangular.
4. A panel structure as claimed in claim 3, wherein the first and third formed parts are recessed in opposite directions. A panel structure as claimed in claim 4, wherein the first formed part is convex, and the third formed part is concave.
6. A panel structure as claimed in claim 3, wherein the fourth formed part is formed to the grill as well as to the vicinity of edges of adjacent front and side panels.
7. A panel structure as claimed in claim 6, wherein the fourth and fifth formed parts are recessed in opposite directions.
8. A panel structure as claimed in claim 7, wherein the fourth formed part is convex, and i the fifth formed part is concave. 0*
9. A panel structure as claimed in claim 8, wherein the ribs of the fifth formed part is vertical. p. •06400.10. A panel structure as claimed in claim 9, wherein the ribs of the fifth formed part have 10 widths greater than adjacent ribs which are not formed.
11. A panel structure as claimed in any one of claims 1 -10, wherein the first and third formed parts have edges adjacent to each other, and the second and fourth formed parts have edges adjacent to each other.
12. A panel structure as claimed in claim 11, wherein the second formed part has two vertically elongated rectangular parts disposed side by side.
13. A panel structure as claimed in claim 12, wherein the edges of the first to fifth formed parts are distanced from the edges of the front, rear and side panels by 5
14. A panel structure as claimed in claim 13, wherein the edge of the rib the fifth formed part is formed therein is distanced from the edge of the fifth formed part by 5 A panel structure as claimed in claim 13, wherein the edges of adjacent formed parts 5 are distanced by 5 0* .o g* 0 0eS0 *0@e S. S 0O C 0 S. S 0 0@ C S 0000
16. A panel structure of an outdoor unit substantially as hereinbefore described with reference to the drawings and/or Examples.
17. The steps, features, compositions and compounds disclosed herein or referred to or indicated in the specification and/or claims of this application, individually or collectively, and any and all combinations of any two or more of said steps or features. DATED this TWENTIETH day of FEBRUARY 2001 LG Electronics Inc. by DAVIES COLLISON CAVE Patent Attorneys for the applicant(s)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0078139A KR100390429B1 (en) | 2000-12-19 | 2000-12-19 | Panel Structure of Outdoor Unit for Separation-Type Air Conditoner |
KR0078139 | 2000-12-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2312401A true AU2312401A (en) | 2002-06-20 |
AU750668B2 AU750668B2 (en) | 2002-07-25 |
Family
ID=19703235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU23124/01A Ceased AU750668B2 (en) | 2000-12-19 | 2001-02-20 | Panel structure of outdoor unit for separate type air conditioner |
Country Status (6)
Country | Link |
---|---|
JP (1) | JP3740021B2 (en) |
KR (1) | KR100390429B1 (en) |
CN (1) | CN1144980C (en) |
AU (1) | AU750668B2 (en) |
ES (1) | ES2199635B2 (en) |
IT (1) | ITTO20010263A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100487335B1 (en) * | 2002-11-15 | 2005-05-03 | 엘지전자 주식회사 | Case of outdoor unit for air conditioner |
JP2011027323A (en) * | 2009-07-27 | 2011-02-10 | Hitachi Appliances Inc | Outdoor unit for air conditioner |
JP5899489B2 (en) * | 2011-07-19 | 2016-04-06 | パナソニックIpマネジメント株式会社 | Fan guard and air conditioner |
CN112136005B (en) * | 2018-05-22 | 2022-07-22 | 三菱电机株式会社 | Air blower and air conditioner |
CN111189128B (en) * | 2020-01-20 | 2021-04-02 | 重庆华光环境工程设备有限公司 | Installation process of noise elimination and sound insulation equipment for air conditioner outdoor unit |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1711027A1 (en) * | 1990-03-12 | 1992-02-07 | Каунасский Политехнический Институт | Device for testing film-like and textile materials |
JP3216462B2 (en) * | 1995-01-31 | 2001-10-09 | 三菱電機株式会社 | Outdoor unit of separation type air conditioner |
USD380819S (en) * | 1995-04-03 | 1997-07-08 | Lg Electronics Inc. | Air conditioner |
USD394098S (en) * | 1996-08-30 | 1998-05-05 | Lg Electronics Inc. | Window adhesive-type air conditioner |
JPH1114095A (en) * | 1997-06-20 | 1999-01-22 | Fujitsu General Ltd | Outdoor unit of air conditioner |
USD414853S (en) * | 1997-12-30 | 1999-10-05 | Lg Electronics Inc. | Window-adhesive type air conditioner |
JPH11237080A (en) * | 1998-02-19 | 1999-08-31 | Sanyo Electric Co Ltd | Air conditioning equipment |
-
2000
- 2000-12-19 KR KR10-2000-0078139A patent/KR100390429B1/en not_active IP Right Cessation
-
2001
- 2001-02-20 AU AU23124/01A patent/AU750668B2/en not_active Ceased
- 2001-03-05 JP JP2001060137A patent/JP3740021B2/en not_active Expired - Fee Related
- 2001-03-20 IT IT2001TO000263A patent/ITTO20010263A1/en unknown
- 2001-03-28 CN CNB011121084A patent/CN1144980C/en not_active Expired - Fee Related
- 2001-05-09 ES ES200101063A patent/ES2199635B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1144980C (en) | 2004-04-07 |
ES2199635B2 (en) | 2005-11-01 |
KR100390429B1 (en) | 2003-07-07 |
JP3740021B2 (en) | 2006-01-25 |
ITTO20010263A1 (en) | 2002-09-20 |
JP2002195611A (en) | 2002-07-10 |
AU750668B2 (en) | 2002-07-25 |
ITTO20010263A0 (en) | 2001-03-20 |
ES2199635A1 (en) | 2004-02-16 |
CN1360184A (en) | 2002-07-24 |
KR20020049062A (en) | 2002-06-26 |
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Legal Events
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FGA | Letters patent sealed or granted (standard patent) |