DEW POINT SENSOR SYSTEM, METHOD FOR MODULATING A HUMIDIFIER HEATER PLATE, AND HUMIDIFIER/MEDICAL DEVICE CONTAINING

WIPO Patent Application WO/2020/243954

A1

A dew point sensor system contains a controller (22) with a dew point calculator, an ambient temperature sensor (20), an air pathway (52), a heater plate (32), and an external wire (60). The ambient temperature sensor (20) generates ambient temperature data, and the ambient temperature sensor (20) is operatively-connected to the controller (22). The air pathway (52) contains a blower (38) within the air pathway (52), an air flow sensor (26) within the air pathway (52), a liquid reservoir (56) operatively-connected to the air pathway (52), and component which may be an air pathway temperature sensor (28) and/or a breathing circuit heating element. The blower (38) causes air to move in the air pathway (52), while the air flow sensor (26) generates air flow data about the air moving in the air pathway (52). The heater plate (26) contains a heater plate temperature sensor (34), and the heater plate temperature sensor (34) generates heater plate temperature data. An external wire (60) is operatively-connected to the controller (22) and the component. The ambient temperature sensor (20) is located on the external wire (60). The heater plate (26), and the heater plate temperature sensor (34) are operatively-connected to the controller (22), and the controller (22) receives the ambient temperature data, the air flow data, and the heater plate temperature data to calculate the target heater plate temperature, based on the dew point temperature. A method of modulating a humidifier heater plate, a humidifier, and a medical device may also include the dew point sensor system.

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XU JIEBING (CN)
YU HAIBIN (CN)
ZHAO JUN (CN)
ZHU WEI (CN)

PCT/CN2019/090385

December 10, 2020

June 06, 2019

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VINCENT MEDICAL DONG GUAN MFG CO LTD (CN)
VINCENT MEDICAL DONGGUAN TECH CO LTD (CN)

A61M16/16; A62B7/00

CN102105189A	2011-06-22
CN108245759A	2018-07-06
EP3542868A1	2019-09-25
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US20130081621A1	2013-04-04
SU1442895A1	1988-12-07
US8616202B2	2013-12-31
US10058663B2	2018-08-28
US20110120462A1	2011-05-26
US5558084A	1996-09-24
US20130263851A1	2013-10-10
US20080308100A1	2008-12-18

See also references of EP 3980106A4

WU, FENG & ZHANG (CN)

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