| 摘要 |
The device includes at least one member sensitive to a partial vacuum (7) and capable of comparing the instantaneous value of the latter to a limiting threshold, this or these members sensitive to partial vacuum interacting, on the one hand, with the smoke evacuation circuit (5) and an opening (9) for the intake of ambient air in order to regulate the cross-section of the passage placing them in communication and, on the other hand, with an opening (11) for the intake of oxidizing air to the combustion chamber (3) in order to reduce the passage cross-section thereof, which cross-section is adjustable (at 13) in order to determine the rate of heating. <IMAGE>
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