发明名称 |
POPPET VALVE WITH DIVERGING-CONVERGING FLOW PASSAGE AND METHOD TO REDUCE TOTAL PRESSURE LOSS |
摘要 |
A poppet valve (50) is disclosed that include a valve body (11), a poppet guide (16) disposed inside the valve body (11) so as to form a flow passage from a flow inlet to a flow outlet of the valve (10), a poppet shutter (54) disposed inside the poppet guide (16), and a converging-diverging flow passage (68) formed by a portion of an outer surface of the poppet shutter (54) and a corresponding portion of an inner surface of valve body (11). A method for reducing a closing pressure force acting on a poppet shutter (54) of a poppet valve (50) is also disclosed.
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申请公布号 |
CA2680627(A1) |
申请公布日期 |
2011.03.24 |
申请号 |
CA20092680627 |
申请日期 |
2009.09.24 |
申请人 |
NUOVO PIGNONE S.P.A. |
发明人 |
FRANCINI, STEFANO;CAMPO, NICOLA;BIANCHINI, MICHELE |
分类号 |
F16K17/04;F16K1/12;F16K1/54;F16K39/02 |
主分类号 |
F16K17/04 |
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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