Helical gear to a centrifugal fan with an axial inlet and a radial outlet and no increase in the direction of flow axial

• 1. 具有轴向的和径向的入口或者说出口的翼核机械 [P] . 中国专利： CN103375178B . 2017.05.10
• 2. 具有轴向的和径向的入口或者说出口的翼核机械 [P] . 中国专利： CN103375178A . 2013-10-30
• 3. A - or both sides of a suction end helical gear for centrifugal fans with an axial and radial outlet [P] . 德国专利： DE460985C . 1928-06-08

  机译： 带有轴向和径向出口的离心风机的吸入端斜齿轮的A或两侧

• 4. Inlet nozzle for a radial, diagonal or axial-flow fan, and a radial, diagonal or axial-flow fan comprising an inlet nozzle [P] . US10975884B2 . 2021-04-13

  机译： 用于径向，对角线或轴流式风扇的入口喷嘴，以及包括入口喷嘴的径向，对角线或轴流风扇

• 5. INLET NOZZLE FOR A RADIAL, DIAGONAL OR AXIAL-FLOW FAN, AND A RADIAL, DIAGONAL OR AXIAL-FLOW FAN COMPRISING AN INLET NOZZLE [P] . 欧洲知识产权局专利： EP3289226B1 . 2020-09-09

  机译： 径向，对角或轴流风扇的进气喷嘴，以及包括入口喷嘴的径向，对角或轴流风扇

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• 7. EFFECTS OF FOUR INLET AND OUTLET TIP-ANNULUS-AREA BLOCKAGE CONFIGURATIONS ON THE PERFORMANCE OF AN AXIAL-FLOW FAN ROTOR [R] . Walter M. Osborn, Roy D. Hager 1976

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