IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0072932
(2013-11-06)
|
등록번호 |
US-9371941
(2016-06-21)
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발명자
/ 주소 |
- Faverio, IV, Louis Peter
- Arms, Jerry Lee
|
출원인 / 주소 |
|
대리인 / 주소 |
Panitch Schwarze Belisario & Nadel LLP
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
12 |
초록
▼
An insulated ductwork system particularly adapted for exterior use joins together pre-assembled air circulation duct sections that each have a ductwork passageway that is formed solely with insulation panels of foam insulation material disposed between foil sheets that are in turn covered by additio
An insulated ductwork system particularly adapted for exterior use joins together pre-assembled air circulation duct sections that each have a ductwork passageway that is formed solely with insulation panels of foam insulation material disposed between foil sheets that are in turn covered by additional insulation material and an outer protective jacket to seal the ductwork from weather effects. The air circulation duct sections are used without traditional metal ductwork forming any part of the air circulation duct. Receiving flanges extend from the ends of each air circulation duct section and the duct sections are joined together in abutting relation with at least one slidably engageable sleeve that engages the flanges. A filler insulation is disposed over the sleeve. A closure band is disposed over the filler insulation and joined to exterior surfaces of the air circulation duct sections.
대표청구항
▼
1. An air circulation duct section, comprising: an inner duct air passageway formed with a first insulation material of foam insulation material disposed between metal foil sheets, said passageway having a top wall, a bottom wall and two opposed sidewalls;at least a first layer of solid insulation w
1. An air circulation duct section, comprising: an inner duct air passageway formed with a first insulation material of foam insulation material disposed between metal foil sheets, said passageway having a top wall, a bottom wall and two opposed sidewalls;at least a first layer of solid insulation with insulation material disposed between metal foil sheets, said first layer having a top surface and an opposite surface, with its opposite surface joined to the top wall of the inner duct air passageway;a first jacket joined to the top surface of the first layer of solid insulation, said first jacket having at least one angled flange edge along its length;at least a second layer of solid insulation with insulation material disposed between metal foil sheets, said second layer having a top surface and an opposite surface, with its opposite surface joined to the bottom wall,a second jacket joined to the top surface of the second layer of solid insulation;at least a third layer of solid insulation with insulation material disposed between metal foil sheets, said third layer having a top surface and an opposite surface, with its opposite surface joined to one sidewall,a third jacket joined to the top surface of the third layer of solid insulation, said third jacket having at least one angled flange along its length;at least a fourth layer of solid insulation with insulation material disposed between metal foil sheets, said fourth layer having a top surface and an opposite surface, with its opposite surface joined to the other sidewall,a forth jacket joined to the top surface of the fourth layer of solid insulation, said fourth jacket having at least one angled flange along its length;wherein the angled flanges of the jackets overlap edges of adjacent jackets for attachment thereto, andwherein said jackets, insulation layers and inner duct air passageway together form the air circulation duct section. 2. The air circulation duct section of claim 1, further comprising fasteners to join angled flanges of the jackets to overlapped edges of adjacent jackets. 3. The air circulation duct section of claim 1, wherein the angled flanges define channels adapted to receive sealant or grout for joining the angled flanges of the jackets to overlapped edges of adjacent jackets. 4. The air circulation duct section of claim 3, further comprising sealant or grout held within the channels. 5. The air circulation duct section of claim 1, wherein the first, second, third and fourth jackets are formed of metal. 6. The air circulation duct section of claim 1, wherein the first layer of solid insulation comprises a first thermal insulating panel and a second thermal insulating panel adhered or laminated together. 7. The air circulation duct section of claim 1, wherein the inner duct air passageway is adapted to guide circulated air without metal ductwork forming any portion of the air circulation duct. 8. An insulated ductwork system, comprising: a first air circulation duct section according to claim 1 joined to a second air circulation duct section. 9. The insulated ductwork system of claim 8, wherein the first air circulation duct section is joined to the second air circulation duct section in end to end relation, with a joint between ends of the first air circulation duct section and the second air circulation duct section, and wherein the insulated ductwork system further comprises one or more layers of filler insulation disposed over the joint. 10. The insulated ductwork system of claim 9, further comprising a closure band disposed over the layer(s) of filler insulation and the joint. 11. The insulated ductwork of claim 10, further comprising adhesive tape to join the closure band to at least one of the jackets. 12. The insulated ductwork system of claim 11, further comprising sealant or grout to seal edges of the closure band to at least one of the jackets. 13. The insulated ductwork system of claim 11, further comprising sealant or grout to seal edges of the closure band to the first jacket, the second jacket, the third jacket and the fourth jacket. 14. The insulated ductwork system of claim 10, further comprising fasteners to join the closure band to at least one of the jackets. 15. A joint closure for air circulation duct sections of an insulated ductwork system, comprising: at least one receiving flange extending from an end of a first air circulation duct section, wherein the first air circulation duct section comprisesan inner duct air passageway formed with a first insulation material of foam insulation material disposed between metal foil sheets having a top wall, a bottom wall and two opposed sidewalls;at least a first layer of solid insulation with insulation material disposed between metal foil sheets having a top surface and an opposite surface, with its opposite surface joined to the top wall of the inner duct air passageway;a first jacket joined to the top surface of the first layer of solid insulation, said first jacket having at least one angled flange edge along its length;at least a second layer of solid insulation with insulation material disposed between metal foil sheets having a top surface and an opposite surface, with its opposite surface joined to the bottom wall,a second jacket joined to the top surface of the second layer of solid insulation;at least a third layer of solid insulation with insulation material disposed between metal foil sheets having a top surface and an opposite surface, with its opposite surface joined to one sidewall,a third jacket joined to the top surface of the third layer of solid insulation, said third jacket having at least one angled flange along its length;at least a fourth layer of solid insulation with insulation material disposed between metal foil sheets having a top surface and an opposite surface, with its opposite surface joined to the other sidewall,a fourth jacket joined to the top surface of the forth layer of solid insulation, said fourth jacket having at least one angled flange along its length;wherein the angled flanges of the jackets overlap edges of adjacent jackets for attachment thereto, and wherein said jackets, insulation layers and inner duct air passageway together form the first air circulation duct section;at least one receiving flange extending from an end of a second air circulation duct section;at least one slidably engageable sleeve that engages the at least one flange of the first air circulation duct section and the at least one receiving flange of the second air circulation duct section to join the ends of the first air circulation duct section and the second air circulation duct section together in abutting end to end relation;at least one filler insulation disposed over the at least one slidably engageable sleeve;at least one closure band disposed over the at least one filler insulation; andtape, fasteners or sealant, or tape, fasteners and sealant in combination, to join the at least one closure band to the first air circulation duct section and to the second air circulation duct section. 16. The joint closure of claim 15, wherein the at least one closure band defines a rib or channel at or near its side edge that is adapted to receive sealant.
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