Invention Grant
US09200829B2 Low temperature cooling and dehumidification device with reversing airflow defrost for applications where cooling coil inlet air is above freezing
有权
低温冷却和除湿装置，对于冷却盘管入口空气高于冰点的应用，具有反向气流除霜
- Patent Title: Low temperature cooling and dehumidification device with reversing airflow defrost for applications where cooling coil inlet air is above freezing
- Patent Title (中): 低温冷却和除湿装置，对于冷却盘管入口空气高于冰点的应用，具有反向气流除霜
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Application No.: US14034896Application Date: 2013-09-24
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Publication No.: US09200829B2Publication Date: 2015-12-01
- Inventor: Walter Stark
- Applicant: Walter Stark
- Agent Alfred M. Walker
- Main IPC: F25D21/04
- IPC: F25D21/04 ; F24F3/14 ; F24F12/00 ; F24F11/00
Abstract:
A low temperature cooling and dehumidification system uses a reverse airflow arrangement to defrost a frosted cooling coil while not interrupting operation. Automatic air dampers are used to reverse the airflow at the proper time to initiate defrost of that section of frosted cooling coil. This system is useful for low temperature cooling and dehumidification in situations where the inlet air is above freezing, however exiting air below freezing can be supplied if desired. It is advantageous for operation if the coolant flow and temperature internal to the cooling coil are regulated to create the conditions for frost formation to begin closer to the air leaving side of the active cooling coil.
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