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公开(公告)号:US11060747B2
公开(公告)日:2021-07-13
申请号:US16758351
申请日:2018-10-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: Nitsan Ben-Gal Nguyen , Saber Taghavaeeyan
IPC: F24F11/39 , F24F11/61 , F24F11/38 , F24F11/63 , F24F11/64 , F24F120/10 , F24F110/10
Abstract: Systems and methods for estimating a replacement status of an air filter in an HVAC system, based on obtaining data correlated with the temperature of air outputted by the HVAC system as a function of time.
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公开(公告)号:US20200340698A1
公开(公告)日:2020-10-29
申请号:US16758351
申请日:2018-10-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: Nitsan Ben-Gal Nguyen , Saber Taghavaeeyan
Abstract: Systems and methods for estimating a replacement status of an air filter in an HVAC system, based on obtaining data correlated with the temperature of air outputted by the HVAC system as a function of time.
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