Device for olfactory judgment of an odorous substance, use thereof and a method of operating the device
US6467332B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2000 |
| Grant date | Oct 22, 2002 |
| Priority date | — |
| Expiry date | Dec 9, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/0034
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for olfactory judgement of an odorous substance, particularly a perfume, substantially comprising a flat test object in a casing, preheated or heated electrically by a temperature control and measuring circuit to a given temperature and with prolonged heat storage means, on which an easily attachable and removable material is disposed and is covered with the odorous substance for judgement, the device also comprising a fan, wherein in the casing (2) the odorous substance can be applied to a sample strip (14) connected via a sample holder (12) to a heatable metal base carrier (7) movable in one direction (P), and the base carrier (7) is disposed at one end of an air flow duct (6) formed by a pipe (5), particularly a square pipe (5) open at both ends, a fan (18) being disposed at the other end and adapted, by means of an associated motor (17), to convey air from the end near the fan, via the sample strip (14) to the other end of the air flow duct (6), so that a starting air flow (34a), a received air flow (34b) containing evaporated odorous constituents, and a discharged flow (34c) considered with odorous constituents are generated at the opening (44), so that the odorous su…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.