| 摘要 |
<p>Extinguishing chamber (1) for electrical apparatuses, particularly circuit breakers, inset into the hollow of the base of the electrical apparatus and encompassing by a bundle of echeloned extinguishing plates (2) and sparking plates (3), the trajectory of the pathway of the end of the moving contact, consisting of a two-part box, composed from a casing (4) with extinguishing plates (2) and sparking plates (3) to sides of which a cover (5) with exhaust duct (6), is tightly fitted, and at its beginning, at the dividing plane of the two-part box, a perimetral notch (7) is created for insertion of at least one arbitrarily technologically effective filler (8) with holes, whereas the perimetral notch (7) is created in the cover (5) and it contains cushion faces (11) and lateral guide surfaces (12) and at least one stopping jut (13) for filler (8).</p> |
