| 摘要 |
<p>The device comprises a safety valve (20) with an actuator (22) which can be armed manually, a regulation valve (25) disposed in a duct (21) downstream of the safety valve (20) for supplying a main burner (13), a tapping duct (28) for supplying a pilot burner (15), and a flame detector for the pilot burner (15) for supplying the actuator (22) of the safety valve (20) with sufficient energy to hold the safety valve (20) open after manual arming has taken place and the pilot light has been lit. In order also to supply another burner (17) without compromising the safety of the device, an on/off valve (30) provided in a duct (29) branching off the main duct (21) between the safety valve (20) and the regulation valve (25) has operating means coupled to the manual arming member (23) of the actuator (22) of the safety valve (20) for keeping the on/off valve (30) in a condition in which it shuts off the branch duct (29) during the manual arming of the safety-valve actuator. <IMAGE></p> |
