High-efficient low-noise draught fan

High-efficient low-noise draught fan

The utility model aims to provide a high-efficient low-noise draught fan which is composed of a machine shell, an impeller, an air inlet device, a control damper and a transmission group, wherein the air inlet device is arranged between an inlet end of the impeller and the control damper. The key po...

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1. Verfasser: YE TUANJIE
Format: Patent
Sprache:chi ; 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 YE TUANJIE
description The utility model aims to provide a high-efficient low-noise draught fan which is composed of a machine shell, an impeller, an air inlet device, a control damper and a transmission group, wherein the air inlet device is arranged between an inlet end of the impeller and the control damper. The key point is that the air inlet device is composed of an outer air inlet device and an inner air inlet device, wherein the diameter of the outer air inlet device is larger than that of the inner air inlet device, and the outer air inlet device is sleeved on the periphery of the inner air inlet device. The high-efficient low-noise draught fan modifies the control damper, the air inlet device, the machine shell and the impeller, reduces using noises of the whole draught fan, improves using efficiency of the draught fan, achieves energy-saving and environment-friendly purposes, and has a good practicability.
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The key point is that the air inlet device is composed of an outer air inlet device and an inner air inlet device, wherein the diameter of the outer air inlet device is larger than that of the inner air inlet device, and the outer air inlet device is sleeved on the periphery of the inner air inlet device. 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language chi ; eng
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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 High-efficient low-noise draught fan
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-08T14%3A14%3A54IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=YE%20TUANJIE&rft.date=2013-07-10&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3ECN203051241UU%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true