公开(公告)号：US08776826B2

公开(公告)日：2014-07-15

申请号：US12497086

申请日：2009-07-02

Applicant: Seth W. Mackay-Smith ,  C. Dean McGowan

Inventor： Seth W. Mackay-Smith ,  C. Dean McGowan

IPC: F16L55/12 ,  F16L55/128 ,  F16K17/30

CPC classification number: F16K17/30 ,  Y10T137/0441 ,  Y10T137/6011 ,  Y10T137/6113 ,  Y10T137/612 ,  Y10T137/7869 ,  Y10T137/8803

Abstract: An excess flow valve (EFV) for installation in a service line of natural gas distribution system serving an existing structure. The EFV has a cylindrical housing having a first length and a second length and a through hole therethrough for passage of gas. The EFV 11 engaged in the through hole of the first length and the second length has an expandable wall which can be expanded and fixed in said service line.

Abstract translation: 用于安装在现有结构中的天然气分配系统服务线中的过流阀（EFV）。 EFV具有第一长度和第二长度的圆柱形壳体和用于气体通过的通孔。 接合在第一长度的通孔中的EFV11和第二长度具有可扩展的壁，其可以在所述服务线中被扩展和固定。

公开(公告)号：US07562668B2

公开(公告)日：2009-07-21

申请号：US11411090

申请日：2006-04-26

Applicant: Seth W. Mackay-Smith ,  C. Dean McGowan

Inventor： Seth W. Mackay-Smith ,  C. Dean McGowan

IPC: F16K5/10

CPC classification number: F16K17/30 ,  Y10T137/0441 ,  Y10T137/6011 ,  Y10T137/6113 ,  Y10T137/612 ,  Y10T137/7869 ,  Y10T137/8803

Abstract: An excess flow valve (EFV) for installation in a service line of natural gas distribution system serving an existing structure. The EFV has a cylindrical housing having a first length and a second length and a through hole therethrough for passage of gas. The EFV 11 engaged in the through hole of the first length and the second length has an expandable wall which can be expanded and fixed in said service line.

Abstract translation: 用于安装在现有结构中的天然气分配系统服务线中的过流阀（EFV）。 EFV具有第一长度和第二长度的圆柱形壳体和用于气体通过的通孔。 接合在第一长度的通孔中的EFV11和第二长度具有可扩展的壁，其可以在所述服务线中被扩展和固定。

公开(公告)号：US20090266425A1

公开(公告)日：2009-10-29

申请号：US12497086

申请日：2009-07-02

Applicant: Seth W. Mackay-Smith ,  C. Dean McGowan

Inventor： Seth W. Mackay-Smith ,  C. Dean McGowan

IPC: F16L55/12 ,  F16K51/00 ,  F16L55/128

CPC classification number: F16K17/30 ,  Y10T137/0441 ,  Y10T137/6011 ,  Y10T137/6113 ,  Y10T137/612 ,  Y10T137/7869 ,  Y10T137/8803

Abstract: An excess flow valve (EFV) for installation in a service line of natural gas distribution system serving an existing structure. The EFV has a cylindrical housing having a first length and a second length and a through hole therethrough for passage of gas. The EFV 11 engaged in the through hole of the first length and the second length has an expandable wall which can be expanded and fixed in said service line.

Abstract translation: 用于安装在现有结构中的天然气分配系统服务线中的过流阀（EFV）。 EFV具有第一长度和第二长度的圆柱形壳体和用于气体通过的通孔。 接合在第一长度的通孔中的EFV11和第二长度具有可扩展的壁，其可以在所述服务线中被扩展和固定。