| 摘要 |
The chimney draft is composed of two detachable parts (A) and (B), the lower part of the regulator is the body of the regulator, which is formed by a cylindrical collar (1), which has in its lower part mounted holders (4) allowing the removing of the chimney draft from the mouth of the chimney. To this cylindrical collar (1) are attached at least two uprights (2) and on uprights (2) are slid at least two pieces of tapered annular spoilers (3) tapering upwards, with each tapered annular spoilers (3) are attached to supports (2) at set intervals without the possibility of movement and final spoiler (3A) is firmly connected with the cylindrical ring (5) and also this assembly is mounted in a fixed pitch to the uprights (2), when between the cylindrical ring (5) and uprights (2) are inserted brackets (6) serving to hold and link the lower part of the regulator to the top of the regulator. |
