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公开(公告)号：US20240358949A1
公开(公告)日：2024-10-31
申请号：US18630626
申请日：2024-04-09
发明人： Bhuvan Garg , Francis Glynn , Stephen David Evans , Wenjie Robin Liang , Yintao Yu , Logan Ross Andrew
CPC分类号： A61M16/026 , A61M16/0051 , A61M16/109 , A61M16/16 , G05B13/0265 , G16H40/67 , A61M2205/18 , A61M2205/3368 , A61M2205/3386 , A61M2205/3653
摘要： An improved system and method of determining a low water and/or water-out condition in a humidifier chamber of a respiratory or surgical humidifier system can use a specific frequency band to detect changes in a temperature of a heater plate. The temperature changes can correlate to the specific heat capacity value of the humidifier chamber. The low water and/or water-out detection process can be performed without having to determine the gases flow rate and/or can be run continuously. A heater plate assembly of the system can include a compliant insulation sheet to improve thermal coupling between the heating element and the top heating plate of the heater plate assembly, thereby improving the low water and/or water-out detection process.
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公开(公告)号：US11980714B2
公开(公告)日：2024-05-14
申请号：US17266794
申请日：2019-08-09
发明人： Bhuvan Garg , Francis Glynn , Stephen David Evans , Wenjie Robin Liang , Yintao Yu , Logan Ross Andrew
IPC分类号： A61M16/00 , A61M13/00 , A61M16/04 , A61M16/06 , A61M16/10 , A61M16/16 , G05B13/02 , G16H40/67
CPC分类号： A61M16/026 , A61M16/0051 , A61M16/109 , A61M16/16 , G05B13/0265 , G16H40/67 , A61M2205/18 , A61M2205/3368 , A61M2205/3386 , A61M2205/3653
摘要： An improved system and method of determining a low water and/or water-out condition in a humidifier chamber of a respiratory or surgical humidifier system can use a specific frequency band to detect changes in a temperature of a heater plate. The temperature changes can correlate to the specific heat capacity value of the humidifier chamber. The low water and/or water-out detection process can be performed without having to determine the gases flow rate and/or can be run continuously. A heater plate assembly of the system can include a compliant insulation sheet to improve thermal coupling between the heating element and the top heating plate of the heater plate assembly, thereby improving the low water and/or water-out detection process.
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公开(公告)号：US20220008670A1
公开(公告)日：2022-01-13
申请号：US17266794
申请日：2019-08-09
发明人： Bhuvan Garg , Francis Glynn , Stephen David Evans , Wenjie Robin Liang , Yintao Yu , Logan Ross Andrew
摘要： An improved system and method of determining a low water and/or water-out condition in a humidifier chamber of a respiratory or surgical humidifier system can use a specific frequency band to detect changes in a temperature of a heater plate. The temperature changes can correlate to the specific heat capacity value of the humidifier chamber. The low water and/or water-out detection process can be performed without having to determine the gases flow rate and/or can be run continuously. A heater plate assembly of the system can include a compliant insulation sheet to improve thermal coupling between the heating element and the top heating plate of the heater plate assembly, thereby improving the low water and/or water-out detection process.
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