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公开(公告)号：US20230001241A1
公开(公告)日：2023-01-05
申请号：US17844223
申请日：2022-06-20
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Darrill L. Plummer , William E. Parson , William K. Shaffer
Abstract: A reducer for a self-contained breathing apparatus (SCBA), comprising a primary air pathway with a primary metering valve and a secondary air pathway with a secondary metering valve. The reducer has an Emergency Breathing Support System (EBSS) outlet that is fluidly connected to a branch line of the secondary air pathway.
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