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专利名称：Flow control valve and method发明人：William E. Brennan, III,Edward
Harrigan,Christopher S. Del Campo
申请号：US11931824申请日：20071031公开号：US07527070B2公开日：20090505
专利附图：
摘要：A method for controlling fluid flow through a passageway includes slidablydisposing a piston having a conduit that reduces the flow area through the passageway inthe passageway and selectively closing the conduit of the piston by moving at least one
of the piston and a plug.
申请人：William E. Brennan, III,Edward Harrigan,Christopher S. Del Campo
地址：Richmond TX US,Richmond TX US,Houston TX US
国籍：US,US,US
代理人：Dave R. Hofman,Darla P. Fonseca,Dale Gaudier
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