| 摘要 |
<p>The protective device prevents overheating, in particular by fire, of individual or batteries of pressure vessels (10) of length (1) equal to at least 1,5 m, employed for storage and/or transportation of gases under high pressure. The essentially cylindrical pressure vessels (10) have at least one closure cap (14) with a valve (18) or a closure plug. Mounted on one closure cap (14) is a pressure pipe (24) which communicates with the interior of the pressure vessel (10), and is fitted with a controllable venting valve (58) that under normal conditions closes off the pressure pipe (24) or a common pressure pipe (56) and has a venting pipe (60) which terminates outwith the region of the pressure vessel/vessels (10). Temperature sensitive actuating means are provided in the axial direction (A) of the pressure vessel/vessels (10) a spacing (a) apart and connected to the venting valve (58). These means can individually actuate the venting valve (58) should overheating occur. (figure 1)</p> |
