Method and/or system for compensating for effects of heat flow and/or air flow through fiberglass insulation
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04C-002/34
E04B-001/00
E04B-001/74
G01K-017/00
G01K-001/16
출원번호
UP-0327648
(2006-01-09)
등록번호
US-7748197
(2010-07-26)
발명자
/ 주소
Romes, Gary E.
Yarbrough, David W.
출원인 / 주소
Guardian Building Products, Inc.
대리인 / 주소
Dority & Manning, P.A.
인용정보
피인용 횟수 :
10인용 특허 :
21
초록▼
A method and/or system is provided that compensates for the flow of air through fiberglass insulation. In certain example embodiments, a dynamic heat flow meter or the like is provided for measuring and/or determining any detrimental effects of air flow through insulation such as fiberglass insulati
A method and/or system is provided that compensates for the flow of air through fiberglass insulation. In certain example embodiments, a dynamic heat flow meter or the like is provided for measuring and/or determining any detrimental effects of air flow through insulation such as fiberglass insulation. Once the possible detrimental effects are recognized, an insulation system is adapted (e.g., by providing a foam based insulation in a wall cavity in addition to the fiberglass insulation) to compensate, or substantially compensate, for the effects of air flow through the fiberglass. For instance, a sufficient amount of foam insulation may be provided in a cavity adjacent fiberglass, where the foam blocks or substantially blocks air from flowing through the cavity, thereby compensating for the effects of air flow through fiberglass and permitting the intended R-value to be maintained or substantially maintained.
대표청구항▼
The invention claimed is: 1. A method of insulating a wall cavity, the method comprising: determining thermal properties of a fiberglass batt including effects of air flow through the fiberglass batt using a dynamic heat flow meter, the dynamic heat flow meter comprising: housing defining at least
The invention claimed is: 1. A method of insulating a wall cavity, the method comprising: determining thermal properties of a fiberglass batt including effects of air flow through the fiberglass batt using a dynamic heat flow meter, the dynamic heat flow meter comprising: housing defining at least one cavity therein; first and second plates at least partially provided in the housing, wherein the fiberglass batt is provided between the first and second plates; means for providing the first and second plates at known, but different, temperatures when the fiberglass batt is therebetween; means for introducing an air flow into the cavity of the meter on one side of the batt, and permitting air from the air flow to exit the cavity from the other side of the batt; and means for measuring properties of the batt using each of the air flow and temperatures of the respective first and second plates; and after determining the thermal properties of the fiberglass batt including the effects of air flow through the fiberglass batt, adapting an insulation system in a wall cavity to compensate, or substantially compensate, for the effects of air flow through the fiberglass batt by providing foam insulation in the wall cavity and then providing a fiberglass batt in the cavity over the foam insulation, wherein the foam insulation is of sufficient thickness and R-value to compensate, or substantially compensate, for the effects of air flow through the fiberglass batt. 2. The method of claim 1, wherein said compensating is performed by using the foam insulation to block air flow and/or wind from outside of a wall of the cavity from reaching the fiberglass batt. 3. The method of claim 1, wherein the first plate has an air flow inlet aperture(s) defined therein, and the second plate has an air flow outlet aperture(s) defined therein. 4. The method of claim 1, wherein the housing of the meter has an air flow inlet aperture(s) defined therein on a first side of the batt, and the housing further has an air flow outlet aperture(s) defined therein on a second side of the batt that is opposite the first side. 5. The method of claim 1, comprising measuring the volume of air flow both entering and exiting the cavity of the meter. 6. The method of claim 1, wherein the foam insulation is about one-half inch thick and has an R-value of about 2-4. 7. The method of claim 1, wherein the foam insulation has an R-value of about 3. 8. The method of claim 1, wherein the wall cavity is a two inch by four inch wood framed wall cavity, and the fiberglass batt has an R-value of from about R10 to R-13 and is about three inches thick, and the foam insulation is about one-half inch thick and has an R-value of about 2-4. 9. The method of claim 1, wherein the wall cavity is a two inch by eight inch wood framed wall cavity, and the fiberglass batt has an R-value of from about R21 to R-29 and is about 6-7 inches thick, and the foam insulation is about one-half inch thick and has an R-value of about 2-4. 10. A method of compensating for effects of air flow with respect to fibrous insulation, the method comprising: determining or considering thermal properties of a fibrous insulation including effects of air flow on the fibrous insulation using a dynamic heat flow meter, the dynamic heat flow meter comprising: housing defining at least one cavity therein; first and second plates at least partially provided in the housing, wherein the fibrous insulation is provided between the first and second plates; means for providing the first and second plates at known, but different, temperatures when the fibrous insulation is therebetween; means for introducing an air flow into the cavity of the meter on one side of the insulation, and permitting air from the air flow to exit the cavity from the other side of the insulation; and means for measuring properties of the insulation using each of the air flow and temperatures of the respective first and second plates; and based on at least the effects of air flow on the fibrous insulation, providing an insulation system in a wall cavity in a manner so as to compensate, or substantially compensate, for the effects of air flow with respect to the fibrous insulation by providing foam insulation in the wall cavity and then providing the fibrous insulation in the cavity over the foam insulation, wherein the foam insulation is of sufficient thickness and R-value to compensate, or substantially compensate, for the effects of air flow through the fibrous insulation. 11. The method of claim 10, wherein the foam insulation blocks air flow and/or wind from outside of a wall of the cavity from reaching the fibrous insulation. 12. The method of claim 10, wherein the fibrous insulation is selected from the group consisting of fiberglass insulation, cellulose insulation, and rock wool insulation.
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