EP2578959A1 - Sealing box - Google Patents

Sealing box Download PDF

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Publication number
EP2578959A1
EP2578959A1 EP11786047.8A EP11786047A EP2578959A1 EP 2578959 A1 EP2578959 A1 EP 2578959A1 EP 11786047 A EP11786047 A EP 11786047A EP 2578959 A1 EP2578959 A1 EP 2578959A1
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EP
European Patent Office
Prior art keywords
joint
modules
doorframe
sealing
insulation
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.)
Withdrawn
Application number
EP11786047.8A
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German (de)
English (en)
French (fr)
Inventor
Wenfei Huang
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.)
Liu Yuling
Original Assignee
Liu Yuling
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Filing date
Publication date
Application filed by Liu Yuling filed Critical Liu Yuling
Publication of EP2578959A1 publication Critical patent/EP2578959A1/en
Withdrawn legal-status Critical Current

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    • 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

Definitions

  • the present invention relates to a sealing box for receiving central air conditioning equipment to be accommodated therein, in particular to a kind of modular sealing cabinet being constituted by insulation panels, metal formed joint modules, and high polymer formed sealing strips.
  • Air condition systems such as home air conditioner, central air conditioning system, refrigeration system, automotive air conditioner etc. are different based on their uses.
  • Central air conditioning systems also known as centralized air conditioning and semi-centralized air conditioning system are integrated system which is designed to provide a central heat or cold source through a host machine to different spaces according to different requirements as designed.
  • the central air conditioning system mainly includes a host machine, multiple terminal equipment and relevant auxiliary equipment.
  • the host machine of a central air conditioning system may include, e.g. reciprocating chiller, screw chiller, centrifugal chiller, lithium bromide absorption chiller, air cooled chiller, water source heat pump unit and separate unit type industrial and commercial use air conditioner, etc. which are used to produce heat and cold source.
  • Terminal equipment of the central air conditioning system include those for turning the cold and heat source into hot and cold wind and those for air handling, e.g. air handling unit, fan coil.
  • a modular air conditioning unit is a type of air handling unit including various air handling function parts which use water as refrigerant, and use water or steam as their hot source without additional cold and hot source equipment, and normally includes one or more units for different processes of air handling.
  • Those air handling units include functions, such as air mixing, air flow averaging, low-efficient filtering, medium-efficient filtering, high-efficient or sub-high-efficient filtering, cooling, primary and secondary heating, dehumidification, humidification, blower, middle section, sprinkling, and muffling, etc.
  • a central air condition system is composed of a host machine, air handling units (AHU) or fan coils, water pipes, ducts, cooling towers and various valves.
  • Chinese utility model ZL200420081591.1 discloses another type of cold bridge free modular sealing cabinet.
  • This modular sealing cabinet is designed with a frameless structure being constituted by aluminum alloy made modules and insulation panels, which forms top, bottom and side panels of the cabinet in accompany with auxiliary plastic components, self-tapping screws, stiffener components, etc.
  • auxiliary plastic components self-tapping screws, stiffener components, etc.
  • it is disadvantage in that their installation processes are still very complicated, and it is difficult to control the accuracy of splicing of panels and modules for combination at the right-angle corner as well as connecting of two adjacent insulation panels and joint modules in one line or orthogonal manner, all of which may result in bad sealing effect.
  • the main object of the present invention is to provide a novel cold bridge free modular sealing cabinet for a central air conditioning system, said sealing cabinet is constituted by insulation panels and aluminum alloy formed modules, insulation door and doorframe modules, sealing strips and fasteners, which is not only good at its sealing effect but also easy to be assembled/disassembled through the optimized cold bridge free structure.
  • the inventor designed a cold bridge free modular sealing cabinet, which is constituted by insulation panels and joint modules, insulation door and doorframe modules, sealing strips and fasteners.
  • said insulation panel comprises an internal face plate and an external face plate, and an insulation layer being sandwiched between said internal face plate and said external face plate;
  • said insulation door comprises an internal face plate and an external face plate, and an insulation layer being sandwiched between said internal face plate and said external face plate, and rims covering around edges of the insulation door.
  • Said joint modules are integrally formed metal members including a first type for connecting two adjacent insulation panels in an one line manner, and a second type for connecting two adjacent insulation panels in an orthogonal manner
  • said doorframe modules are integrally formed metal members having a first type for connecting a doorframe to an insulation panel in an one line manner, and a second type for connecting a doorframe to an insulation panels in an orthogonal manner.
  • each one of said joint modules includes one part formed as a joint end with a male connector or female connector formed thereon, and another part as a connecting end formed with an outer sidewall and an inner sidewall to connect with the insulation panel; each one of said doorframe modules has one part formed as a joint end with a male connector or female connector formed thereon, and another part including a hollow column formed with inner/outer and right/left sidewalls and a doorframe fringe extending horizontally therefrom, thereby said joint module being connected with said insulation panel at its connecting end, and two counter parties of said joint modules connecting two insulation panels with their respective male and/or female connectors of the joint ends in one line or orthogonal manner, said doorframe modules connecting doorframes with their respective male or female connectors of the joint ends to the insulation panels in one line or orthogonal manner, in this way the insulation panels of the sealing cabinet is assembly or disassembly quickly.
  • said sealing strips for the joint modules are high polymer (e.g. PVC) integrally formed member, which is substantially formed in an L-shaped cross section including a short part and a long part.
  • Said short part is defined with a retaining structure in an internal surface thereof, e.g. a receiving slot defined corresponding to a counter retaining structure, such as a tenon or hook, which is formed on an inner sidewall of the joint end of said joint module.
  • Said long part is configured in conformity with the shape of an inner sidewall of said joint module, therefore, said sealing strips of the joint modules are substantively in parallel to and sandwiched between the inner sidewall of said joint module and the internal face plate of the insulation panel.
  • at least two spaced apart soft bulges are further formed on an external surface of the short part of an 11-type sealing strip of joint module.
  • said insulation panels are connected with each other through the joint modules by their male connectors and corresponding female connectors, internal side of the joint modules is wholly sealed by their sealing strips.
  • internal side of the joint modules is wholly sealed by their sealing strips.
  • sealing strips for the doorframe modules are integrally formed high polymer (e.g. PVC) member, which is substantially formed in an L-shaped cross section including a short part and a long part.
  • Said short part is defined with a retaining structure in an internal side thereof, e.g. a receiving slot defined corresponding to a counter retaining structure, such as a tenon or hook, which is formed on an inner sidewall of a joint end of said doorframe module.
  • Said long part is configured in conformity with the shape of an inner sidewall of said doorframe module.
  • said insulation door, said doorframe modules and said insulation panel are assembled through their corresponding male and female connectors, the inner side of the joint portion being completely sealed by the sealing strips for the doorframe modules.
  • a gap between an inner sidewall of the 11-type doorframe module and an internal face plate of the insulation panel are wholly sealed by soft bulges formed on the 11-type sealing strips.
  • the soft bulges of the doorframe module sealing strips are arranged in intersectively spaced apart from the soft bulges formed on the rim covering around the edges of insulation doors, so as to achieve a good sealing effect with the cold bridge free structure at the joint portion between the insulation door and the doorframe modules.
  • a sealing cabinet 10 is mainly constituted by insulation panels 100 and joint modules 120, at least one insulation door 130 and doorframe modules 140, a right-angle member 150 (as seen in Figs. 5 , 6 , 18 ), joint module sealing strips 160 (as seen in Figs. 5 , 14, 15 ), doorframe module sealing strips 170 (as seen in Fig. 16-17 , and Fig. 21-23 ), and fasteners 180 (see Figs. 9 and 10 ).
  • the structure of said sealing cabinet will be described in detail as follows:
  • a bottom of the sealing cabinet 10 is fixed to a base 20 made by C-shaped steel bar in a rectangular frame with fastening bolts.
  • the base 20 can be fixed on the ground by welding or any other proper manner.
  • FIG. 1 Said sealing cabinet 10 in Fig.1 is constituted by insulation panels including at least one door and left and right side wall panels, two front side panels, three rear side panels, three top side panels and three bottom side panels.
  • Fig. 2 is a front side view showing the sealing cabinet 10 in Fig.1
  • Fig. 3 is a cross sectional view of the sealing cabinet 10 taken along line A-A in Fig. 2
  • Fig. 4 is a cross sectional view showing the sealing cabinet 10 taken along line B-B of Fig. 2 .
  • connection between the insulation panels into an one line manner is applied to the structure of parts I, for example, as shown in Fig. 3 , its enlarged schematic view can be seen in Figs. 5A-5B and Figs. 6A-6B .
  • the connection between the left side panel and the front and rear side panel, the top panel and the side panel, and the bottom panel and the side panel are arranged in orthogonal manner which is applied to the structure of parts II and parts III, for example, as shown in Fig. 4 , its enlarged schematic can be seen in Figs. 9A-9B and Fig. 10 .
  • the insulation door and the side insulation panel engaged in an one line alignment is applied to the structure of part IV
  • the insulation door and the insulation panel engaged in perdicular with each other is applied to the structural of parts V, as shown in Fig. 3 and also as shown respectively in Fig. 21-23 .
  • the insulation panel 110 mainly comprises an insulating layer 113 sandwiched between an internal face plate 111 and an external face plat 112, the insulation layer 113 may employ, for example, polyurethane formed PVC layer, while, the internal and external plates 111, 112 may employ metal sheets, or plates of any other suitable materials.
  • two insulation panels 110 to be connected in one line docking is compared with a status when they are connected after assembling in schematic perspective views.
  • a horizontal joint modules 120 and a vertical joint modules 120 with their sealing strips 160 are respectively cut into a 45-degree oblique angle at one end part thereof, so as to combined the end pars of the joint modules 120 and the sealing strips 160 into one right angle covering two sides of one right angle of one insulcation panel 110.
  • a right angle corner member 150 is further provided into both end parts of the adjacent horizontal and vertical joint modules 120 for the purpose of guiding the two adjacent joint modules 120 to be securely connected around the right angle of the insulation panel 110, reference can also be made with the following drawings Figs. 20A and 20B which are more apparent and easy for the skilled to understand the structure and the connection between the right-angle member 150 and the joint modules 120.
  • a first exemplary embodiment of the I-type joint module 120 is formed with a male connector 121a as shown in Fig. 7A-7D
  • a second embodiment of the I-type joint module 120 is formed with a female connector 121b as shown in Fig. 8A-8D
  • the male connector 121a is configured corresponding to the female connector 121b.
  • Each one of these two I-type joint modules 120 are integrally formed aluminum member having a substantially C-shaped cross-section, including one part as a joint end formed with connectors 121a, 121b, and another part as a connecting end formed with an outer sidewall 122 facing towards outside of the cabinet and an inner sidewall 123 facing towards inside of the cabinet for connecting to the insulation panel 110.
  • these joint modules 120 further include other structures extending in the length, these structures include a wedge-shaped slot 124 formed in an internal surface of the outer sidewall 122; a protruded guide strip 125 formed on an internal surface of the inner sidewall 123; a free end of the inner sidewall 123 formed in a slant edge inclined inwardly about 45 degrees; and a trapezoidal tenon 126 formed on the surface of the joint end near the inner sidewall 123.
  • the trapezoidal tenon 126 of the I-type joint module 120 and the inner sidewall 123 are configured and sized corresponding to the shape and size of the I-type sealing strip 160, so that the trapezoidal tenon 126 of the I-type joint module 120 and whole external surface of the inner sidewall 123 are covered in the sealing strip 160.
  • Said I-type sealing strip 160 is integrally formed of any suitable high polymer material such as hard PVC.
  • said sealing strip 160 is formed in a substantially L-shaped cross-section including a long part and a short part.
  • the long part is configured in conformity with the shape and size of the inner sidewall 123 of the I-type joint module 120, and formed with a slot 161 in an internal side of a free end thereof for receiving the corresponding slant edge of the inner sidewall 123.
  • the short part is formed with a groove 162 in an internal side thereof corresponding to the tenon 126 and configured in conformity with shape and size of one part of the end of the I-type joint module 120.
  • a bulged edge 163 is also formed on an external surface of the long part of the I-type sealing strip 160, so as to form a retainer against to the edge of the internal face plate 111 of the insulation panel 110.
  • the inner sidewall 123 of the I-type aluminum alloy joint module 120 is firstly inserted in along the slot 161 and groove 162 along the length direction of the I-type sealing strip 160, so that the external surface of the inner sidewall 123 and the tenon 126 of the joint module 120 is entirely covered by the sealing strip 160. Then the external face plate 112 of the insulation panel 110 is inserted into the wedge-shaped slot 124 of the I-type joint module 120, while the internal face plate 111 of the insulation panel 110 is tightly attached to the long part of the I-type sealing strip 160 and retained by the bulged edge 163. As shown in Fig.5A , it can be seen that the internal face plate 111 of the insulation panel 110 is slightly longer than the external face plate 112.
  • a horizontal joint module 120 and a vertical joint module 120 along two sides of a right-angle are combined together in perpendicular with each other.
  • the joint module 120 and the sealing strip 160 at both sides of one right-angle of the insulation panel have their end parts being cut into 45 degree angles which are complementary to the each other.
  • a right-angle member 150 is then provided into the joint modules 120 so as to connect the joint modules 120 at both sides of the right-angle with each other.
  • the right angle corner member 150 is shown in Fig. 18A to 18D , wherein Fig. 18A is a front view of a right-angle member 150; Figs 18B and 18C are perspective views of the right angle corner member 150; Fig.
  • 18D is a cross-sectional view of the right-angle member 150.
  • the width of the right-angle member 150 is slightly shorter than the distance between the inner and outer sidewalls of the joint module 120, so as to allow the joint modules 120 and the right-angle member 150 to be fitted with each other with a clearance.
  • the two sides of the right-angle member 150 are substantially same in length.
  • the right-angle member 150 has a guide slot 151 defined on one side surface extending along the length of both sides thereof, and a protruded edge 152 corresponding to the shape of the inner side of outer sidewall 122 of the joint module 120. In the assembly, also as shown in Figs.
  • two end parts of the right-angle member 150 are respectively inserted into internal space between the inner and outer sidewalls of the horizontal joint module 120 and the vertical joint module 120, the guide strips (unseen from the drawing) of the joint modules 120 are respectively inserted into the guide slot 151 of the right-angle member 150 so as to combine these two joint modules 120 together in perpendicular with each other at the right angle of the insulation panel.
  • Figs. 9A and 9B are enlarged schematic views of the part II as shown in Fig. 4
  • Fig. 10 is an enlarged schematic view of part III as shown in Fig. 4
  • an II-type joint module 120' is adopted at one side of the insulation panels (e.g., top plate, base plate, and before or after the side panels) as shown in Fig. 11A-11B .
  • Said II-type joint module 120' is substantially formed in an h-shaped member, which includes one part as a joint end formed with a connector 121' similar to the joint end of the I-type joint module 120, and another part as a connecting end formed with an outer sidewall 122' and an inner sidewall 123' for connecting with the insulation panel 110.
  • Said II-type joint module 120' is different in that the connector 121' is formed on an internal side of an extension part extending outwardly along the outer sidewall 122' in horizontal direction.
  • the example as shown in this drawing is female connector 121b', but in other case, the joint end of the II-type joint module 120' is formed with a male connector. That is to say, the II-type joint module 120' is different to the I-type joint module 120 only in that their connectors are formed on the joint ends facing towards different directions, which are respectively extending in an angle of 180 degrees and 90 degrees with respect to the sidewalls of the joint module 120, 120'. Further, Figs.
  • FIGS. 11A and 11B are cross sectional view and perspective view illustrating the structure of the II-type joint module 120' in details, similar to the I-type structure of the joint module 120, the II-type joint module 120' also includes a wedge-shaped slot 124' defined in an internal surface of the outer sidewall 122', and a guide strip 125' formed on an internal surface of the inner sidewall 123', a slant edge of 45 degrees inclined inwardly formed at a free end of the inner sidewall 123'.
  • a hook 126' is formed on the joint end surface near the inner sidewall instead of the trapezoidal tenon 126 formed on the joint end surface of the I-type joint module 120.
  • the entire internal surface of the inner sidewall 123 and the hook 126' of the II-type joint module 120' is configured and sized corresponding to the shape and size of the internal surface of the sealing strip 160', so that the entire inner sidewall 123' and the hook 126' of the II-type joint module 120' can be wholly covered by the sealing strip 160'.
  • Fig.12 shows the situation of two insulation panels being connected in an orthogonal manner, wherein a first insulation panel has one edge thereof adopted with the I-type joint module 120 in accompanying with the I-type sealing strip 160, a second insulation panel in perpendicular to the first one has one edge thereof adopted with the II-type joint module 120' in accompanying with the II-type sealing strip 160'.
  • Fig.13 shows the connection of these two types of joint modules 120, 120' after being assembled.
  • the II-type joint module 120' of one insulation panel 100 can be fixed with the I-type joint module 120 of another insulation panel 100 in perpendicular fixedly to the former one through means of fasteners. According to an example as shown in Fig.
  • fastening bolts 180 are inserted from the bottom of the C-shaped steel base 20 upwardly through the extension part of the II-type joint module 120' of the bottom insulation panel and then the joint end of the I-type joint module 120, so as to securely fix the base, the bottom panel and the side insulation panel together.
  • the structure of the sealing strip 160' of the II-type joint module is shown in Figs. 15A and 15B , similar to the sealing strip 160 of I-type joint module, said sealing strip 160' is substantially formed in an L-shaped cross-section including a long part and a short part, wherein the long part is formed with a slant edge corresponding to the slot 161' in an internal surface of a free end thereof and configured and sized in conformity with the shape and size of the inner sidewall 123' of the II-type joint module 120', the short part is defined with a groove 162' corresponding to the hook 126' in an internal surface thereof and configured and sized in conformity with a part of a joint end of the II-type joint module 120'.
  • said II-type sealing strip 160' is formed with two spaced apart bulges 164' on an external surface of the short part, preferably said bulges 164' are softer material. It is advantages in that, after installation, the soft bulges 164' of the II-type sealing strip 160' is tightly attached to the internal surface of the internal face plate 111 of the adjacent insulation panel 110, thereby a good sealing effect is achieved.
  • part IV is a structure of an insulation door 130 combined with one front side insulation panel 110 in an one line manner through an I-type doorframe module 140, also as shown from the enlarged drawings of Fig. 21 and/or Fig. 22
  • part V is a structure of an insulation door 130 combined with a left insulation panel 100 through an II-type doorframe module 140' in an orthogonal manner, as shown in Fig. 23 .
  • peripheral edges of the insulation door 130 are covered by C-shaped rims 131, which are normally made of PVC material.
  • at least one soft bulge 132 is formed on a side surface of the rim 131 facing toward the doorframe.
  • the I-type doorframe module 140 in accompanying with an I-type sealing strip 170 is connected with the I-type joint module 120 in a one line manner.
  • a first type of the I-type doorframe module 140 as shown in Fig. 24A-24B is adopted, and an example of a second type of the I-type doorframe module 140 as shown in Fig. 25A-25B in adopted as shown in Fig.22 .
  • the first type of the I-type doorframe module 140 which is adopted in the example of Fig.21 has a similar structure of part of the I-type joint module 120, as shown in Figs. 24A and 24B , said first type of the I-type doorframe module 140 includes one part formed as joint end with a male connector 141a formed thereon, and another part including a hollow column formed by an inner sidewall 142 and an outer sidewall 143 and the left and right sidewall, a protruded edge 144 formed on an internal surface of an inner sidewall 142 corresponding to the edge 152 of the right-angle member 150, a guide strip 145 formed on internal surface of the outer sidewall 143 corresponding to the guide slot 151 of the right-angle member 150, a tenon 146 formed on the joint end thereof near the inner sidewall 143, and an extension part extending outwardly aloog an opposite end of its joint end in horizontal so as to form as a fringe 147 of the doorframe.
  • the second type of the I-type doorframe module 140 adopted in the example of Fig.22 also has a similar structure of part of the I-type joint module 120, as shown in Figs. 25A and 25B , the second type of I-type doorframe module 140 is only different to the first I-type doorframe module 140 in that its joint end is formed with a female connector 141b instead of the male connector 141a.
  • These two types of I-type doorframe modules 140 are formed with a tenon 146 and a fringe 147 and configured and sized in conformity with shape and size the internal surface of the I-type sealing strip 170 for the I-type doorframe module, as shown in detail in Fig. 16A and 16B , so that the entire of the inner sidewall 143 of the I-type doorframe module 140 including the tenon 146 and the fringe 147 is wholly covered in the I-type sealing strip 170.
  • the structure of the sealing strip 170 for the doorframe module of type I can be shown in Fig. 16A and 16B , which is similarly to the structure of the sealing strip 160, and forms in a long L-shaped cross section having a long part and a short part. Said long part of the sealing strip 170 is configured in conformity with shape and size of the inner sidewall 143 and tenon 146 of the doorframe module of type I 140.
  • An end portion of said long part of the sealing strip 170 forms a cover with a receiving slot 171 defined therein for receiving the fringe 147; an inner side of said short part is defined with a slot 172 corresponding to the tenon formed on the doorframe module of type I 140, similarly, also a protruded edge 173 is also formed on the short part.
  • the internal surface of the fring cover of the sealing strip 170 for the doorframe of type I is formed with two spaced apart soft bulges 174.
  • part V is a structure for the connection between an insulation door 130 and an adjacent insulation panel 110 perpendicular with each other.
  • an II-type doorframe module 140' and an II-type sealing strip 170' are adopted to engage with the joint module 120 in an orthogonal manner.
  • Said II-type doorframe module 140' forms a structure as shown in Fig. 26A-26B , wherein a hollow column and a fringe portions are identical with the I-type doorframe module 140, and a joint end portion is identical with the joint end of the II-type joint module 120'.
  • the doorframe module 140' is formed with a joint end having a female connector 141b' formed thereon, a hollow column formed by an inner sidewall 142', an outer sidewall 143' and left and right sidewalls, a protruded edge 144' formed on an internal surface of the inner sidewall 142' corresponding to a protruded edge 152 formed on the right-angle member 150, a guide strip 145' is formed on an internal surface of the outer sidewall 143' corresponding to guide slot 151 of the right-angle member 150. Further, a hook 146' is formed on the joint end near the inner sidewall 143', and an extension portion formed as a doorframe fringe 147' is extended from an opposite end.
  • the joint end of the II-type joint module 140' can also be formed with a male connector.
  • the entire inner sidewall of the II-type doorframe module 140' is configured in conformity with the shape and size of the inner side of the II-type sealing strip 170' for the doorframe module, so that the entire inner sidewall 143' of the doorframe module 140' including the hook 146' and the fringe 147' is wholly covered in the II-type sealing strip 170' for the doorframe module, as it can be seen in Figs 17A and 17B .
  • the II-type sealing strip 170' for the doorframe module has one part of structure similar to the structure of the sealing strip 160' for the II-type joint module, and another part of structure similar to the I-type doorframe module 170, as shown in Figs 17A and 17B , it is substantially formed in an L-shaped cross section having a long part and a short part.
  • the long part of the sealing strip 170' is identical to the sealing strip 170 for the I-type doorframe module, an inner side of said sealing strip 170' is configured in conformity with the shape and size of the inner sidewall 143, 143' and fringe 147, 147' of the corresponding doorframe module, and an extension end also forms a fringe cover, which has a receiving slot 171' defined therein for the fringe 147' of the doorframe.
  • the short part of the II-type sealing strip 170' for the doorframe module has a groove 172' defined in an internal side thereof corresponding to the hook 146' integrally formed on the doorframe module 140', and also has a retaining edge 173' formed on an external side thereof.
  • two spaced apart soft bulges 174' are formed on an internal surface of the fringe cover portion.
  • the II-type sealing strip 170' for the doorframe module has another two spaced apart bulges 175' formed on an external surface of the short part thereof, said bulges 175' are preferably soft, advantageously after installation, those soft bulges 175' of the II-type sealing strip 170' for the doorframe module are tightly attached to the internal face plate 111 of the adjacent insulation panel 110, so as to achieve a better sealing effect.
  • the soft bulge 132 formed on the rim 131 of the insulation door is properly arranged in the middle of the two spaced apart soft bulges 174 or 174' of the sealing strips 170 or 170', therefore these intersectively spaced apart soft bulges form a triple sealing between the insulation door 130 and the doorframes modules 140 or 140'.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wing Frames And Configurations (AREA)
  • Refrigerator Housings (AREA)
EP11786047.8A 2010-05-24 2011-05-18 Sealing box Withdrawn EP2578959A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010182653.8A CN102095244B (zh) 2010-05-24 2010-05-24 组合式无冷桥密封箱
PCT/CN2011/074284 WO2011147275A1 (zh) 2010-05-24 2011-05-18 密封箱

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EP2578959A1 true EP2578959A1 (en) 2013-04-10

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CN (1) CN102095244B (zh)
WO (1) WO2011147275A1 (zh)

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US11668491B2 (en) 2021-05-25 2023-06-06 Daikin Applied Americas Inc. Thermally broken panel assembly for an air handler cabinet
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CN102095244A (zh) 2011-06-15
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