Patent · US Active

Optical flash point detection on an automated open cup flash point detector

US10746677B2 · kind B2 · utility

0Cited by

18References

18Claims

0Family size

Assignee

Petroleum Analyzer Company, LP · US

Inventors

Michael Brosseau · Houston, US
Thomas Herold · Boxberg, DE
Simon Blass · Veitshöchheim, DE
Oezkan Oguz · Lauda, DE

Key dates

Filing date	Jun 12, 2019
Grant date	Aug 18, 2020
Priority date	—
Expiry date	Jun 12, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG01N25/52
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An open cup flash point detector is shown that rapidly increases the temperature of the substance being tested until temperature is close to a theoretical flash point. Thereafter, as temperature is slowly increased, an igniter flame moves in an arc over the upper lip of the test cup while simultaneously a UV sensor senses a wedge-shaped area, also immediately over the upper lip of the test cup. The arc of the igniter flame and the wedge-shaped area do not overlap. By incremental increases in temperature and repeating the arc movement of the igniter flame, the flash point can be detected by the UV sensor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.