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公开(公告)号：US11249497B2
公开(公告)日：2022-02-15
申请号：US16260714
申请日：2019-01-29
发明人： Katherine N. Bartels
摘要： A balanced trim pressure regulator includes a valve body having a fluid inlet and a fluid outlet connected by a fluid passageway. An orifice is disposed between the fluid inlet and the fluid outlet. A valve seat is disposed within the fluid passageway. A movable valve plug is disposed within the fluid passageway, the movable valve plug interacting with the valve seat to selectively open or close the fluid passageway. A cage is disposed in the fluid passageway, the cage surrounding the valve plug, and the cage including at least one a balancing passage that fluidly connects the fluid passageway with a balancing chamber.
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公开(公告)号：US20190243394A1
公开(公告)日：2019-08-08
申请号：US16260714
申请日：2019-01-29
发明人： Katherine N. Bartels
IPC分类号： G05D16/08
CPC分类号： G05D16/02
摘要： A balanced trim pressure regulator includes a valve body having a fluid inlet and a fluid outlet connected by a fluid passageway. An orifice is disposed between the fluid inlet and the fluid outlet. A valve seat is disposed within the fluid passageway. A movable valve plug is disposed within the fluid passageway, the movable valve plug interacting with the valve seat to selectively open or close the fluid passageway. A cage is disposed in the fluid passageway, the cage surrounding the valve plug, and the cage including at least one a balancing passage that fluidly connects the fluid passageway with a balancing chamber.
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