| 摘要 |
<p>The invention relates to a heat sensitive train which uses, as elastic element, a goffered metal membrane, used for making a thermostat equipped with a flameproof protection casing, integrable in automation lines, used in explosion prone environments in firedamp mines. According to the invention, the train comprises a body (12), on which there is assembled, by soldering, a goffered metal membrane (11), a filling capillary (13) and a capillary (14) which, at the other end, is introduced and soldered in a gas well (16), a connection piece (3) threaded in a cover (5) which presses a ring (6) on the metal membrane (11) and which guides a piston (7), as well as a threaded rod (1) and a support piece (2).</p> |
