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公开(公告)号:US20090220307A1
公开(公告)日:2009-09-03
申请号:US12065548
申请日:2006-08-30
申请人: Donald Wayne Allen , Stephen Paul Armstrong , Dean Leroy Henning , Damon Michael McMillan , David Wayne McMillan , Christopher Steven West
发明人: Donald Wayne Allen , Stephen Paul Armstrong , Dean Leroy Henning , Damon Michael McMillan , David Wayne McMillan , Christopher Steven West
IPC分类号: E02D5/60
CPC分类号: F16L1/123 , B63B21/00 , B63B21/04 , B63B21/502 , B63B35/03 , B63B2021/504 , E21B17/01 , F16L9/006
摘要: There is disclosed a system comprising a structural element, at least one helical strake about the structural element, and at least one ramp to provide a transition from the structural element to the helical strake.
摘要翻译: 公开了一种系统,其包括结构元件,围绕结构元件的至少一个螺旋带,以及至少一个斜坡,以提供从结构元件到螺旋片的过渡。
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公开(公告)号:US20090242207A1
公开(公告)日:2009-10-01
申请号:US12282473
申请日:2007-03-09
申请人: Donald Wayne Allen , Stephen Paul Armstrong , Dean Leroy Henning , Damon Michael McMillan , David Wayne , Janet K. McMillan , Christopher Steven West
发明人: Donald Wayne Allen , Stephen Paul Armstrong , Dean Leroy Henning , Damon Michael McMillan , David Wayne , Janet K. McMillan , Christopher Steven West
CPC分类号: E21B17/015 , E21B17/017 , F16L1/123 , F16L1/18 , F16L9/045
摘要: There is disclosed a system comprising a structural element; at least one strake holder connected to the structural element; and at least one flexible helical strake connected to the at least one strake holder.
摘要翻译: 公开了一种包括结构元件的系统; 连接到结构元件的至少一个行走架; 以及至少一个柔性螺旋片,连接到所述至少一个挡板支架。
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