NOISE-REDUCING FORMATION FOR THE SPIRAL CASE OF VENTILATORS OF RADIAL FLOW

• 1. 径向流动螺旋冷管副产蒸汽固定床催化反应器 [P] . 中国专利： CN2355787Y . 1999-12-29
• 2. 一种用于垃圾房能自动调节进气开度的降噪换气扇 [P] . 中国专利： CN112628170A . 2021-04-09
• 3. NOISE-REDUCING FORMATION FOR THE SPIRAL CASE OF VENTILATORS OF RADIAL FLOW [P] . HUT61831A . 1993-03-01

  机译： 径向流换气扇螺旋壳的降噪形成

• 4. Radial ventilator has adjustable spiral - which controls ventilator output at constant speed [P] . 德国专利： DE2437804A1 . 1976-02-19

  机译： 径向呼吸机具有可调节的螺旋线-可以恒定速度控制呼吸机的输出

• 5. Ventilator unit comprises a housing having in a lower region a radially outward-extending curved region defining a flow path downstream of a radial ventilator [P] . 德国专利： DE10242626A1 . 2004-03-25

  机译： 通风机单元包括壳体，该壳体在下部区域中具有径向向外延伸的弯曲区域，该弯曲区域限定了径向通风机下游的流动路径。

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