Method and apparatus for measuring appearance and disappearance temperatures of wax for transparent, translucent and opaque oils
US9354167B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2014 |
| Grant date | May 31, 2016 |
| Priority date | — |
| Expiry date | Oct 7, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/0233
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus and method for the measurement of wax appearance temperature and wax disappearance temperature. The apparatus includes the following. The sample receptacle having a receptacle opening, including a bottom, at least one side and an open top. The sample receptacle including an inlet and an outlet for sample insertion and removal. The at least one side about the receptacle opening being light absorbing. The sample receptacle including a transparent cover mounted over the open top. The bottom of the receptacle opening having a reflective upper surface. A thermo device temperature change of the sample. A thermometer to register current temperature of the sample. A viewing chamber above the transparent cover, where the viewing chamber is surrounded by material that is light absorbing. A light emitting device to project light through the viewing chamber and the transparent cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.