EP2998662B1 - Modular duct for an air processing system - Google Patents
Modular duct for an air processing system Download PDFInfo
- Publication number
- EP2998662B1 EP2998662B1 EP15020163.0A EP15020163A EP2998662B1 EP 2998662 B1 EP2998662 B1 EP 2998662B1 EP 15020163 A EP15020163 A EP 15020163A EP 2998662 B1 EP2998662 B1 EP 2998662B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- duct construction
- modular duct
- modular
- fabric
- tubular body
- 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.)
- Active
Links
- 238000010276 construction Methods 0.000 claims description 38
- 239000004744 fabric Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 13
- 229920000728 polyester Polymers 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 6
- 239000004753 textile Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- 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
- F24F13/02—Ducting arrangements
- F24F13/0218—Flexible soft ducts, e.g. ducts made of permeable textiles
-
- 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
- F24F13/02—Ducting arrangements
- F24F13/0254—Ducting arrangements characterised by their mounting means, e.g. supports
-
- 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
- F24F13/02—Ducting arrangements
- F24F13/0263—Insulation for air ducts
-
- 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
- F24F13/02—Ducting arrangements
- F24F13/0272—Modules for easy installation or transport
-
- 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
- F24F13/02—Ducting arrangements
- F24F13/0281—Multilayer duct
Description
- The present invention relates to a modular duct construction, particularly for air processing systems.
- The modular duct construction according to the present invention has been specifically designed for distributing air through all air conditioning systems, and especially through environments for processing food articles.
- As is known, in food article air processing systems, conventional air distributing or conveying pipes generally comprise metal ducts which have a comparatively large weight and the inside of which may be accessed only with a great difficulty for cleaning purposes.
- In addition to their large weight, conventional air ducts require a long assembling time, and moreover the assembling operation is very complex.
- In fact, the above ducts must be properly insulated, for preventing condensing and dispersing phenomena, and then coated or encompassed by a further outer metal sheet coating.
- The duct weight is so large that the structures supporting them have to be frequently reinforced.
- Document
US 2012/006442 A1 discloses aninflatable duct 10 for conveying air generated by a blower 22 to a comfort region 14 through large pores and/or openings formed through a side wall 16 of the duct. - Document
US 2005/079309 A1 discloses a flexible duct consisting of a laminated structure with aninner layer 1, asound absorbing layer 2, amiddle layer 3, a thermally insulatinglayer 4 and anouter layer 5. - Document
US 6 286 876 B1 discloses a flexible tube for delivering preconditioned air between ground installed heating-ventilating units and an inner ventilating system of an airplane, which flexible tube comprises at least two segments having an end portion including zip-fastener fixing elements which may be coupled by corresponding zip-fastener couplings to an end portion of any element of an adjoining flexible tube. - The aim of the present invention is to provide a novel modular duct construction overcoming the above mentioned drawbacks of the prior art.
- Within the scope of the above mentioned aim, a main object of the invention is to provide such a modular duct construction which has an overall weight smaller than that of conventional ducts.
- Another object of the present invention is to provide such a modular duct construction which may be easily and quickly assembled and disassembled.
- A further object of the present invention is to provide such a modular duct construction which has a cost much lower than that of conventional air distributing system including metal duct assemblies.
- Another object of the present invention is to provide such a modular duct construction which allows the operation noise to be greatly reduced.
- Yet another object of the present invention is to provide such a modular duct construction which has a very small weight so as not to stress its supporting structures.
- Another object of the present invention is to provide a modular duct construction having very good hygienic properties and which may be easily washed even by conventional cleansing agents for textile materials.
- Yet a further main object of the present invention is to provide such a modular duct construction which has very flexible operating characteristics such as a high thermal efficiency, a low dispersion and no condensing phenomena.
- Yet another object of the present invention is to provide such a modular duct construction which has a long lifetime.
- Yet another object of the present invention is to provide such a modular duct construction which is very reliable and safe in operation.
- According to one aspect of the present invention, the above mentioned aim and objects, as well as yet other objects, which will become more apparent hereinafter, are achieved by a modular duct construction for air processing systems according to appended
claim 1. - Further characteristics and advantages of the present invention will become more apparent hereinafter from the following disclosure of a preferred, though not exclusive, embodiment of the invention, which is illustrated, by way of an indicative but not limitative example, in the accompanying drawings, where:
-
Figure 1 is a perspective view of a length of a modular duct construction according to the present invention; -
Figure 2 is a partially exploded perspective view of the duct length of the preceding Figure; -
Figure 3 is a perspective view of an exemplary air distributing system, made by using the modular duct construction according to the present invention; -
Figure 3A is a detail view ofFigure 3 ; -
Figure 4 is a longitudinally cross-sectioned view of the duct construction length; -
Figures 5 and 6 are a longitudinally cross-sectioned and a side view of the duct construction length, respectively; and -
Figure 7 is a detail perspective view of the subject duct construction including a plurality of branching ducts. - With reference to the number references of the above mentioned figures, the air processing system duct construction according to the present invention, which has been generally indicated by the
reference number 1, comprises a tubular body made of a thermally insulated fabric material. - The tubular body comprises two elements, that is an
inner core 2 constituting an air distributing channel, made of an impermeable fabric material, and anouter element 3, defining a covering assembly encompassing thecore 2. - The
core 2 and theouter element 3 are joined by temporary joining means 4, preferably consisting of zipper fasteners. - Said tubular body may be suspended by a plurality of
simple strip elements 5, each including arespective hook element 6, said strip elements being associated with said tubular body. - The
hook elements 6 are clamped to metal cables 6' or are suspended to existing ceilings or structures. - The tubular bodies have a modular construction, thereby it is possible to connect any desired number of tubular bodies to provide different size and configuration air distributing nets.
- For example, said tubular bodies may comprise
straight lengths 10, of a standard size, T-joints 11, bent orcurved length members 12, and so on. - The same connecting means 4 used for coupling said
core 2 andouter element 3 also allow to connect a plurality of modules. - The
inner core 2 is made of a fabric material consisting of 100% polyester. - The
outer element 3 is constituted by a plurality of layers of different materials and thicknesses. - Said
outer element 3 is made of anouter fabric 31, of 100% polyester, and aninner fabric 32, also of 100% polyester, which encompass aninsulating mattress 33, also of a polyester material and having a standard minimum thickness of 25 mm. - The thickness of the
mattress 33 may be changed depending on the designing requirements. - The duct construction thus made may be used at temperatures from -30°C to +70°C and has a flame of fire resistance corresponding to the M1 class.
- Advantageously, it is also possible to use an antistatic material and, if required, an anti-bacterial material.
- It has been found that the invention fully achieves the intended aim and objects.
- In fact, an insulated fabric material modular duct construction has been provided, characterized by an optimal combination of properties and a lifetime making it an optimal air conveying system, and with a fabric material specifically designed for air conveying applications.
- The subject duct construction may be advantageously used in technical environments where a plurality of air processing units are installed and where a difference between the channel and environment air temperatures is susceptible to cause condensing phenomena.
- The modular duct construction according to the invention provides several important advantages, such as a great reduction of the operating noise, very good hygienic properties and washing capabilities, even by using conventional cleansing substances for textile materials.
- The subject construction may be quickly assembled and disassembled and has a cost much smaller than that of conventional metal duct air distributing systems.
- The insulated fabric material tubular elements have a very small weight and do not stress their supporting structures, which, moreover, makes them easily transportable.
- Said tubular elements have moreover a high thermal efficiency and a low thermal dispersion, and prevent any condensing phenomenon from occurring.
- Moreover, said textile tubular elements have a long lifetime.
- In addition to its very functional and flexible operation properties, the subject modular construction has an improved aesthetical aspect compared to that of prior metal channel assemblies.
Claims (9)
- A modular duct construction (1) for air processing systems in environments for making food articles, said modular duct construction (1) comprising a tubular body made of an insulated fabric, consisting of fabric materials resisting against temperatures from -30°C to +70°C and having a flame or fire resistance corresponding to the M1 class, said modular duct construction being characterized in that said tubular body comprises two elements, an inner core (2) defining an air distributing channel, made of an impermeable fabric material, and an outer element (3) forming a covering assembly encompassing the outside of said inner core (2), said inner core (2) being made of a 100% polyester fabric, said outer element (3) being made of a 100% polyester outer fabric (31) and of an inner fabric (32) made of a 100% polyester, a polyester insulating mattress (33) being arranged between the inner fabric and the outer fabric, said polyester insulating mattress (33) having a standard minimum thickness of 25 mm.
- A modular duct construction, according to claim 1, characterized in that said inner core (2) and outer element (3) are joined together by temporary joining means (4).
- A modular duct construction, according to claim 2, characterized in that said temporary joining means (4) consist of zipper fasteners.
- A modular duct construction, according to one or more of the preceding claims, characterized in that said modular duct construction comprises hanging means (5) for hanging the tubular body on a supporting structure.
- A modular duct construction, according to claim 4, characterized in that said hanging means comprise a plurality of strip elements (5) each including a respective hook member (6).
- A modular duct construction, according to claim 2, characterized in that said temporary joining means (4) are also suitable for joining together a plurality of said tubular elements.
- A modular duct construction, according to one or more of the preceding claims, characterized in that said tubular body is formed by components having different shapes and configurations and being adapted to be combined in modular manner to provide air distributing systems having different size and configurations.
- A modular duct construction, according to one or more of the preceding claims, characterized in that said tubular body is made as a straight length member, a T joint member, or a curved length member.
- A modular duct construction, according to claim 5, characterized in that said hook members (6) are applied to tie-rod or cable assemblies (6') or suspended to existing ceilings or structures.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI20141615 | 2014-09-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2998662A1 EP2998662A1 (en) | 2016-03-23 |
EP2998662B1 true EP2998662B1 (en) | 2019-02-06 |
Family
ID=51904049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15020163.0A Active EP2998662B1 (en) | 2014-09-19 | 2015-09-17 | Modular duct for an air processing system |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2998662B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110440430B (en) * | 2019-08-28 | 2020-12-18 | 安徽安缆模具有限公司 | Noise-removing improved air duct support for air conditioner |
IT202200011024A1 (en) * | 2022-05-26 | 2023-11-26 | Luca Gatti | Connection device between an air conditioning machine and a plenum |
KR102609236B1 (en) * | 2022-10-20 | 2023-12-01 | 오기성 | Assembly for installation of fabric duct |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2401194A1 (en) * | 1977-08-26 | 1979-03-23 | Ugine Kuhlmann | Fireproofing halogenated polyester-based preimpregnated material - using antimony tri:oxide, hydrated alumina and deca:bromo-bi:phenyl |
JPS5863360A (en) * | 1981-10-09 | 1983-04-15 | Q P Corp | Preparation of aseptic salad |
KR101310395B1 (en) * | 2013-01-14 | 2013-09-17 | 제룡산업 주식회사 | Corrugatd pipe and manufacturing method thereof |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2742523B1 (en) * | 1995-12-18 | 1998-02-27 | Pm X Sarl | INSTALLATION OF DUCTS, ESPECIALLY VENTILATION IN HIGH ROOMS |
US6286876B1 (en) | 1998-02-13 | 2001-09-11 | Flexfab Horizons International, Inc. | Insulated flexible duct for aircraft applications |
JP4431823B2 (en) | 2003-09-17 | 2010-03-17 | 東拓工業株式会社 | Duct component |
US20100282356A1 (en) * | 2009-05-07 | 2010-11-11 | Scott Sawyer | Low emissive radiant barrier flex (LOW-E FLEX) |
US8808075B2 (en) | 2010-07-12 | 2014-08-19 | Rite-Hite Holding Corporation | Configurable pliable air ducts |
US8434526B1 (en) * | 2011-11-03 | 2013-05-07 | Rite-Hite Holding Corporation | Pliable-wall air ducts with suspended frames |
US9200815B2 (en) * | 2012-08-24 | 2015-12-01 | Abc Industries, Inc. | Ventilation ducting arrangement |
US20140261701A1 (en) * | 2013-03-15 | 2014-09-18 | Mark Deutsch | Collapsible Air Duct with Inflatable Insulative Sleeve |
-
2015
- 2015-09-17 EP EP15020163.0A patent/EP2998662B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2401194A1 (en) * | 1977-08-26 | 1979-03-23 | Ugine Kuhlmann | Fireproofing halogenated polyester-based preimpregnated material - using antimony tri:oxide, hydrated alumina and deca:bromo-bi:phenyl |
JPS5863360A (en) * | 1981-10-09 | 1983-04-15 | Q P Corp | Preparation of aseptic salad |
KR101310395B1 (en) * | 2013-01-14 | 2013-09-17 | 제룡산업 주식회사 | Corrugatd pipe and manufacturing method thereof |
Non-Patent Citations (1)
Title |
---|
UNKNOWN: "Appropriate Useful Temperature Limits for Various Polymers", 28 May 2010 (2010-05-28), XP055393077, Retrieved from the Internet <URL:http://www.ansellpro.com/Attachments/38552615462963.pdf> [retrieved on 20170721] * |
Also Published As
Publication number | Publication date |
---|---|
EP2998662A1 (en) | 2016-03-23 |
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