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US 5,932,796 AGranted
Apparatus for the determination of the flashpoint of a substance
AssigneeElf Antar France
InventorsDidier Arthaud, Alain Piquemal, Frederic Tort
Life of this patent
Estimating the term…
Abstract
An apparatus for determining the flashpoint of a substance, including a test cup adapted to contain the substance, a heating element which heats the substance, a tube and a needle valve which produce a calibrated flame, a temperature sensor which measures the temperature of the substance, and an optical detector, having at least one optical fiber, which detects variations in the light intensity from the flame, or from the ignited vapor emitted by the substance.
Claims9
Apparatus for determining the flashpoint of a substance, comprising;
- a test cup adapted to contain the substance,
- a heating element configured to heat the substance,
- a flame calibrator configured to produce a calibrated flame,
- a temperature sensor configured to measure the temperature of the substance, and
- an optical detector configured to detect variations in light intensity,
- wherein the optical detector includes at least one optical fiber having a first end.
3 more elements
Dependencies are inferred from the claim text.