| 摘要 |
FIELD: fire prevention. SUBSTANCE: the fire-fighting plant uses an unloading means, for example, a glass ampulla or fuse intended for operation at a preset temperature; in the preferable variant of the invention helical wire made of metal with memory is laid around the unlocking means, and at preset temperature wire made of metal with memory changes its shape and closes the electric circuit, thus acting as a heating winding for quick unlocking. EFFECT: the new fire fighting plant gets unlocked quicker than the earlier known ones. 1 dwg |
