Process and device for determining the cloud point of a diesel oil
US5007733A · kind A · utility
16Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1985 |
| Grant date | Apr 16, 1991 |
| Priority date | — |
| Expiry date | Jun 7, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention concerns a process and a device for determining the cloud point of a diesel oil, comprising a light source and, aligned on a single axis, a diaphragm comprising a central hole on the said axis, an objective forming the image of the hole on a light trap, and behind the screen, a wide-diameter photoelectric detector intended to deliver an electric current when it receives a light flux, and, disposed between the objective and the screen, a cell containing a diesel oil sample to be analyzed, means for controlling the temperature of this sample being associated to the said cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.