Large-flow low-noise centrifugal fan

The utility model discloses a large-flow low-noise centrifugal fan, which belongs to the technical field of ventilation equipment and comprises a base, a moving mechanism is arranged in the base, a motor is mounted at the top of the base, a volute is fixed on one side of the top of the base, and an...

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Bibliographische Detailangaben
Hauptverfasser:	QIU YONG, ZHAO GUANGYUN, WU JIAN, NI ANMIN, ZHAO YING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AXLES FOR WHEELS OR CASTORS BLASTING CASTORS ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INCREASING WHEEL ADHESION LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLE WHEELS VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a large-flow low-noise centrifugal fan, which belongs to the technical field of ventilation equipment and comprises a base, a moving mechanism is arranged in the base, a motor is mounted at the top of the base, a volute is fixed on one side of the top of the base, and an output end of the motor extends into the volute. A motor is arranged in the volute, a bearing is arranged between the output end of the motor and the volute, an impeller is installed at the output end of the motor, reinforcing plates are fixed between the two sides of the motor and the volute, and a protective sleeve is fixed between the reinforcing plates. Due to the arrangement of the lubricating mechanism composed of the lubricating oil tank, the protective sleeve, the mounting groove, the extrusion spring, the extrusion ring and the sponge pad between the motor and the volute, the end opening of the motor and a bearing on the volute can be continuously lubricated in the using process, abrasion in the using proc