AXIAL FLOW FAN DEVICE

The invention provides an axial fan device. In a first axial fan (10), a first casing (14) for accommodating a first impeller and a first motor is provided with: a first peripheral wall (141) that surrounds the outer periphery of the first impeller; a first base part (16) that supports the first mot...

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Bibliographic Details
Main Author MASUO SATOSHI
Format Patent
LanguageChinese
English
Published 01.12.2020
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:The invention provides an axial fan device. In a first axial fan (10), a first casing (14) for accommodating a first impeller and a first motor is provided with: a first peripheral wall (141) that surrounds the outer periphery of the first impeller; a first base part (16) that supports the first motor; a first engaging part (152), and two sets of blades which protrude outward from the first base part in the axial direction and are provided at positions symmetrical with respect to the axis. In a second axial flow fan (20), a second casing (24) for accommodating a second impeller and a second motor is provided with: a second peripheral wall (241), at least a part of the outer peripheral surface of which is formed in an arc shape centered on a shaft (22); a second base part (26) that supportsthe second motor (23); and a second engaging part (252) provided at a position corresponding to the first engaging part (152) in the circumferential direction of the second peripheral wall (241) andhaving a step formed in th
Bibliography:Application Number: CN202010426889