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公开(公告)号：US20180058463A1
公开(公告)日：2018-03-01
申请号：US15548545
申请日：2012-10-21
IPC分类号： F04D29/051 , F04D19/00 , F04D27/00 , F04D29/00 , F04D29/059 , F28C1/00 , F28F25/10 , F28F27/00
CPC分类号： F04D29/051 , F04D19/005 , F04D25/0606 , F04D27/004 , F04D29/002 , F04D29/059 , F28B1/06 , F28B9/00 , F28C1/00 , F28F25/10 , F28F27/003 , Y02B30/748 , Y02P80/156
摘要： The present invention is directed to a load bearing direct-drive system for driving a fan in a cooling system such as a wet-cooling tower, air-cooled heat exchanger, HVAC system, hybrid cooling tower, mechanical tower or chiller system. The present invention includes a variable process control system that is based on the integration of key features and characteristics such as tower thermal performance, fan speed and airflow, motor torque, fan pitch, fan speed, fan aerodynamic properties, and pump flow. The variable process control system processes feedback signals from multiple locations in order to control a high torque, low variable speed, load bearing motor to drive the fan.
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公开(公告)号：US20200318645A1
公开(公告)日：2020-10-08
申请号：US16888681
申请日：2020-05-30
IPC分类号： F04D29/051 , F04D19/00 , F04D25/06 , F04D27/00 , F04D29/00 , F04D29/059 , F28C1/00 , F28F25/10 , F28F27/00 , F28B9/00
摘要： The present invention is directed to a load bearing direct-drive system for driving a fan in a cooling system such as a wet-cooling tower, air-cooled heat exchanger, HVAC system, hybrid cooling tower, mechanical tower or chiller system. The present invention includes a variable process control system that is based on the integration of key features and characteristics such as tower thermal performance, fan speed and airflow, motor torque, fan pitch, fan speed, fan aerodynamic properties, and pump flow. The variable process control system processes feedback signals from multiple locations in order to control a high torque, low variable speed, load bearing motor to drive the fan.
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