Induced draught fan

Induced draught fan

An induced draught fan, including: a motor, the motor including a shaft; a volute; and a wind wheel. The volute is provided with an air intake and an air outlet. The wind wheel is arranged inside the volute. The top of the volute is provided with a through-hole. The shaft of the motor passes through...

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Hauptverfasser: Wang Xiongcheng, Lei Wei
Format: Patent
Sprache:eng
Schlagworte:
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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creator Wang Xiongcheng
Lei Wei
description An induced draught fan, including: a motor, the motor including a shaft; a volute; and a wind wheel. The volute is provided with an air intake and an air outlet. The wind wheel is arranged inside the volute. The top of the volute is provided with a through-hole. The shaft of the motor passes through the through-hole and is connected to the wind wheel. A seal ring is arranged on the volute corresponding to the through-hole. An outer side of the seal ring is provided with an annular groove. The volute is embedded in the annular groove. The middle of the seal ring is provided with a center hole. The middle of the side wall of the center hole is provided with a ring-like convex edge. The shaft passes through the center hole and contacts with the ring-like convex edge.
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The shaft of the motor passes through the through-hole and is connected to the wind wheel. A seal ring is arranged on the volute corresponding to the through-hole. An outer side of the seal ring is provided with an annular groove. The volute is embedded in the annular groove. The middle of the seal ring is provided with a center hole. The middle of the side wall of the center hole is provided with a ring-like convex edge. 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The volute is provided with an air intake and an air outlet. The wind wheel is arranged inside the volute. The top of the volute is provided with a through-hole. The shaft of the motor passes through the through-hole and is connected to the wind wheel. A seal ring is arranged on the volute corresponding to the through-hole. An outer side of the seal ring is provided with an annular groove. The volute is embedded in the annular groove. The middle of the seal ring is provided with a center hole. The middle of the side wall of the center hole is provided with a ring-like convex edge. The shaft passes through the center hole and contacts with the ring-like convex edge.</abstract><oa>free_for_read</oa></addata></record>
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subjects BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
title Induced draught fan
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