公开(公告)号：US11835181B2

公开(公告)日：2023-12-05

申请号：US17001620

申请日：2020-08-24

申请人： Western Valve Inc.

发明人： Dennis C. Hatfield ,  Steve K. Aderholt

IPC分类号： F17C13/04 ,  F16K1/30 ,  F17C7/00

CPC分类号： F17C13/04 ,  F16K1/302 ,  F17C7/00 ,  F17C2201/0109 ,  F17C2205/0329 ,  F17C2205/0394

摘要： A pressure evacuation device for a compressed gas cylinder having a fixed assembly that is semi-permanently attached to an opening in the cylinder and comprises a retractable bleed valve, and a detachable assembly that can be readily attached to and detached from the fixed assembly and comprises a valve stem to control the bleed valve and a valve tee to direct the flow of gas from the cylinder.