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公开(公告)号：US11707638B2
公开(公告)日：2023-07-25
申请号：US16878686
申请日：2020-05-20
IPC分类号： A62B9/00 , A62B18/00 , A61M16/00 , A61M16/06 , A61M16/10 , A62B18/02 , A62B9/04 , A61M16/08 , A62B7/02 , A62B7/10 , A62B18/08
CPC分类号： A62B9/006 , A61M16/0051 , A61M16/0066 , A61M16/024 , A61M16/06 , A61M16/0875 , A61M16/105 , A62B7/02 , A62B7/10 , A62B9/04 , A62B18/006 , A62B18/02 , A62B18/088
摘要： A safety breathing apparatus has a sensor for measuring the difference in pressure between two point 1a, 1b in the gas delivered to a head unit 9. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
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公开(公告)号：US10695592B2
公开(公告)日：2020-06-30
申请号：US15893981
申请日：2018-02-12
IPC分类号： A62B9/00 , A62B9/04 , A62B18/00 , A61M16/00 , A61M16/06 , A61M16/08 , A61M16/10 , A62B7/02 , A62B7/10 , A62B18/02 , A62B18/08
摘要： A safety breathing apparatus has a sensor for measuring the difference in pressure between two point 1a, 1b in the gas delivered to a head unit 9. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
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公开(公告)号：US20200276461A1
公开(公告)日：2020-09-03
申请号：US16878686
申请日：2020-05-20
IPC分类号： A62B9/00 , A62B9/04 , A62B18/00 , A61M16/00 , A61M16/06 , A61M16/08 , A61M16/10 , A62B7/02 , A62B7/10 , A62B18/02 , A62B18/08
摘要： A safety breathing apparatus has a sensor for measuring the difference in pressure between two point 1a, 1b in the gas delivered to a head unit 9. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
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公开(公告)号：US20230310907A1
公开(公告)日：2023-10-05
申请号：US18329650
申请日：2023-06-06
IPC分类号： A62B9/00 , A62B9/04 , A62B18/00 , A61M16/00 , A61M16/06 , A61M16/08 , A61M16/10 , A62B7/02 , A62B7/10 , A62B18/02 , A62B18/08
CPC分类号： A62B9/006 , A62B9/04 , A62B18/006 , A61M16/024 , A61M16/0051 , A61M16/0066 , A61M16/06 , A61M16/0875 , A61M16/105 , A62B7/02 , A62B7/10 , A62B18/02 , A62B18/088
摘要： A safety breathing apparatus has a sensor for measuring the difference in pressure between two point 1a, 1b in the gas delivered to a head unit 9. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
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