| 摘要 |
<p>The present invention concerns a damper for linear adjustment of a fluid flow such as an air flow, a liquid flow or the like. A damper for linear adjustment of a fluid flow is essentially designed in such a manner that the fluid through-flow is linear and approximately directly proportional to the damper's opening position. The object of such a damper with linear adjustment characteristics is, amongst other things, to facilitate the use of standard adjustment strategy and adjustment technology for adjusting fluid through-flow in a pipe. The damper consists essentially of a profile plate (4) and one or more adjustment plates (3) which profile plate (4) and adjustment plate (3) are movable relative to each other and which plates (3, 4) are provided with one or more apertures. The plates (3, 4) are preferably placed in close proximity to each other in order to avoid eddying and flow disturbances. According to the invention the apertures in the profile plate (4) are formed on the basis of a triangle with a bottom line and two vertical sides. The bottom line remain unaltered and represents the full opening in the damper and the vertical sides and the top are adapted in such a manner that the damper provide an optimally adapted linear adjustment characteristic.</p> |
