Means and techniques useful in establishing R values in insulation
US4236403A · kind A · utility
14Cited by
1References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 14, 1978 |
| Grant date | Dec 2, 1980 |
| Priority date | — |
| Expiry date | Jun 14, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N25/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The R value of heat insulation already in situ in a wall of a building structure which has already been subjected to climatic hot and cold conditions is established under transient conditions that exist over a 24 hour period by establishing a first series of values, each representative of the difference in temperature between the inner and outer wall at successive times during such 24 hour period and simultaneously establishing a second series of values, each representative of the heat flux into or out of the wall at said same successive times, and combining said first and said second series of values to obtain said R value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.