| 摘要 |
<p>This device is of the type having a permeable elastic disk (13) disposed in a circuit supplying the burner with gas and subjected to compression by two elements activated by the same control element, an annular compression element (17) and a central compression element (20). According to the invention, control element (31) is mounted to slide between two positions, a presetting position wherein it is coupled rotationally with annular compression element (17) and a setting position where it is decoupled therefrom.</p> |
