| 摘要 |
<p>A noise-attenuating module 210 of a valve trim 200, including: a first divid er plate 212; a second divider plate; and a plurality of flow segment plates 22 0, 240 and 260 disposed adjacent to and in contact with one another. At least o ne Herschel-Quincke tube flow path 227 is formed by interconnected openings in the flow segment plates. A noise-attenuating cartridge 400 to be placed transverse to the path of flowing fluid, the cartridge having: a plurality o f flow segment plates 410, 420, 430, 440 and 450 disposed adjacent to and in contact with one another. At least one Herschel-Quincke tube is formed by interconnected openings in the flow segment plates. A noise-attenuating cartridge 500 to be placed transverse to the path of flowing fluid, the cartridge including a segmented disk 510 having at least two lateral mating faces with at least one Herschel-Quincke tube 513 milled into at least one o f the lateral faces.</p> |
