发明名称 |
DRAIN VENT FOR PETROLEUM/CHEMICAL FLUID PUMPING DEVICES AND METHOD OF MAKING THE SAME |
摘要 |
A fluid pumping device for use in the petroleum and/or chemical industries includes a cast fluid housing having an inlet to or an outlet from the fluid pumping device, a drain/vent tubular connection extending through the cast fluid housing to communicate with the inlet to or the outlet of the fluid pumping device and a flange adapter sealingly secured to the cast fluid housing. A method of providing a drain/vent tube to structurally communicate with an inlet to or the outlet from a fluid pumping device is disclosed. |
申请公布号 |
CA2828322(A1) |
申请公布日期 |
2014.03.25 |
申请号 |
CA20132828322 |
申请日期 |
2013.09.24 |
申请人 |
ROY E. ROTH COMPANY |
发明人 |
ROTH, PETER P.;ROTH, PAUL E. |
分类号 |
F04B53/06;E21B41/00;F04B47/00;F04B53/16 |
主分类号 |
F04B53/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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