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US 7,252,802 B2Granted
Apparatus and method for igniting sample in calorimeters
OwnerJohn Anthony Bonnardinventor
Life of this patent
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Abstract
An apparatus and method for igniting a sample in a calorimeter. A heating element is used to ignite a solid or liquid substance inside the calorimeter, and the burning substance is allowed to move into contact with a sample in a crucible to ignite the sample.
Claims12
An apparatus for igniting a sample in a calorimeter comprising:
- a crucible for receiving the sample;
- a heating device;
- holder means for placing a combustible substance in contact with or in proximity to said heating device in order to ignite the substance, wherein when the substance is burnt to a predetermined extent, it is movable away from the heating device to the crucible, said holder means comprises a funnel-shaped component having said heating device positioned therein, wherein when said combustible substance is disposed inside the funnel, it is automatically brought into contact with, or in proximity to, said heating device;
- and
- wherein the crucible is positioned to receive the burning combustible substance as it moves away from the heating device so that the sample is thereby ignited by the burning combustible substance.
2 more elements
An apparatus for igniting a sample in a calorimeter comprising:
- a crucible for receiving the sample;
- a heating device;
- holder means for placing a combustible substance in contact with or in proximity to said heating device in order to ignite the substance, wherein when the substance is burnt to a predetermined extent, it is movable away from the heating device to the crucible, in said holder means comprises a housing having an inlet, an interior and an outlet, the combustible substance being introduced to said interior through said inlet, wherein the burning combustible substance is ejected from said outlet after ignition by said heating device, and wherein the crucible is positioned to received the burning combustible substance as it moves away from the heating device do that the sample is thereby ignited by the burning combustible substance.
Dependencies are inferred from the claim text.