[특허]Apparatus and method for determining density of insulation

Apparatus and method for determining density of insulation 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-015/08 G01N-009/32
출원번호	UP-0635992 (2006-12-08)
등록번호	US-7752889 (2010-08-02)
발명자 / 주소	O'Leary, Robert J. Schmitt, Steven G. Chacko, Jacob T.
출원인 / 주소	OCIC Intellectual Capital, LLC
대리인 / 주소	Dottavio, James J.
인용정보	피인용 횟수 : 0 인용 특허 : 60

초록 ▼

An apparatus for determining the density of insulation in a cavity of a structure that senses a force of the insulation against the sensor. The force is used to determine the density of the insulation, which, in turn, is used to determine the thermal resistance or R-value of the insulation. The apparatus may include a fixture for supporting the sensor and holding the sensor in the substantially fixed position. A method for determining the density of loose-fill, blown-in-place insulation in a wall cavity by the use of a sensor is that measures a force exerted on the sensor by the insulation. The measured force is used to determine the density of the insulation. The thermal resistance of the insulation is determined from the known cavity depth and insulation density.

대표청구항 ▼

What is claimed is: 1. A method for conducting an on-site measurement of the density or R-value of insulation material using an apparatus comprising a chamber comprising a first fluid passageway and a second fluid passageway, wherein the first fluid passageway is in fluid communication with the second fluid passageway via the chamber; and wherein the second fluid passageway is configured to engage the insulation material and to convey a gas flow to or from the insulation material; and a sensor arranged to measure the pressure in the chamber; said method comprising: measuring the pressure in the chamber while a gas flow is not being introduced into the chamber to obtain a first pressure measurement; positioning the second fluid passageway proximal to or in contact with the insulation material; introducing a gas flow into the chamber; measuring the pressure in the chamber while the gas flow is being introduced into the chamber to obtain a second pressure measurement; and determining a pressure differential based on the first and second pressure measurements. 2. The method of claim 1, further comprising a step of correlating the pressure differential to the density or R-value of insulation material. 3. The method of claim 1, wherein the step of introducing a gas flow into the chamber includes connecting first fluid passageway to a flow of gas from a gas source: 4. The method of claim 3, wherein the gas source is compressed air. 5. A method for conducting an on-site measurement of the density or R-value of insulation material using an apparatus comprising: a chamber comprising a first fluid passageway and a second fluid passageway, wherein the first fluid passageway is in fluid communication with the second fluid passageway via the chamber: and wherein the second fluid passageway is configured to engage the insulation material and to convey a gas flow to or from the insulation material; and a sensor arranged to measure the pressure in the chamber and adapted to determine the density of the insulation material based on measurements obtained by the sensor; said method comprising: measuring the pressure in the chamber while a gas flow is not being introduced into the chamber to obtain a first pressure measurement; positioning the second fluid passageway proximal to or in contact with the insulation material; introducing a gas flow into the chamber; measuring the pressure in the chamber while the gas flow is being introduced into the chamber to obtain a second pressure measurement; determining a pressure differential based on the first and second pressure measurements; and determining the density of the insulation material based on the pressure differential. 6. The method of claim 5, wherein the step of introducing a gas flow into the chamber includes connecting first fluid passageway to a flow of gas from a gas source. 7. The method of claim 6, wherein the gas source is compressed air. 8. A system suitable for conducting an on-site measurement of the density and/or R-value of insulation material in a building structure, comprising: a building structure having framing members, wherein an insulation cavity is formed between adjacent framing members; insulation material disposed within the insulation cavity; netting attached to the building structure and containing the insulation material within the insulation cavity; and an apparatus for conducting an on-site measurement of the density and/or R-value of the insulation material, comprising: a chamber comprising a first fluid passageway and a second fluid passageway, wherein the first fluid passageway is in fluid communication with the second fluid passageway via the chamber; wherein the second fluid passageway is positioned against the netting and is further configured to convey a gas flow through the netting to or from the insulation material in the insulation cavity; and a sensor arranged to measure the pressure in the chamber. 9. The system of claim 8, wherein the sensor is adapted to determine a pressure drop. 10. The system of claim 8, wherein the sensor is adapted to determine a first pressure and a second pressure and a pressure differential. 11. The system of claim 8, further comprising a source of gas in fluid communication with the first fluid passageway for introducing a gas flow into the chamber. 12. The system of claim 11, wherein the source of gas is compressed air.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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Apparatus and method for determining density of insulation 원문보기

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Apparatus and method for determining density of insulation 원문보기

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