Filtering wall filter
阅读：29发布：2022-02-14
专利汇可以提供Filtering wall filter专利检索，专利查询，专利分析的服务。并且A filtering wall filter for liquid or gaseous fluids, of the type in which the fluid flow passage comprises a venturi, the said filter being provided with means for instantaneous closing of the fluid passage at the throat of the venturi to convert the high kinetic energy of the fluid at this point to a vibration energy capable of being transmitted to the filtering walls to unclog the said walls.，下面是Filtering wall filter专利的具体信息内容。
1. A filtering wall filter for a fluid comprising a housing having an inlet and an outlet for fluid to be filtered; at least one filtering wall disposed within said housing between said inlet and said outlet in such a manner that fluid passing from said inlet through said housing to said outlet passes through at least one of said filtering walls; said outlet being a Venturi through which said fluid passes, said Venturi having an upstream converging conical portion, a neck and a downstream conical diverging portion, with the angle of conicity of said downstream diverging portion being much lower than the angle of conicity of said upstream converging portion, said Venturi further having a longitudinal axis; a movable plug having such a diameter as the substantially obturate said Venturi when disposed in the neck thereof; and means to displace said plug from a first position situated within one of said conical portions through said neck to a second position situated within the other one of said conical portions each of said first and second positions being situated at such a distance from neck that free passage of said fluid through said Venturi is not hindered by said plug when same is at any of said first and second positions.
2. In a filtering wall filter as claimed in claim 1, said means to displace said plug comprising a pneumatic ram disposed substantially along the axis of said Venturi within one of said conical portions at a distance from said neck, said ram including a movable rod with said plug being carried by said rod.
3. In a filtering wall filter as claimed in claim 2, said ram having an end through which said rod extends, said plug being aerodynamically conformed with respect to the gas flowing through said Venturi, and said end of said ram being formed with a recess to receive a portion of said plug at one of the ends of the stroke of same.
4. A filtering wall filter for a fluid containing particles in suspension, comprising a housing having an inLet and an outlet for fluid to be filtered; at least one filtering wall disposed within said housing between said inlet and said outlet in such a manner that fluid passing from said inlet through said housing to said outlet passes through at least one of said filtering walls; said outlet being a Venturi through which said fluid passes, said Venturi having an upstream converging conical portion, a neck and a downstream conical diverging portion, with the angle of conicity of said downstream diverging portion being much lower than the angle of conicity of said upstream converging portion; a movable plug having such a diameter as to substantially obturate said Venturi when disposed in the neck thereof; means to displace said plug from a first position situated within one of said conical portions through said neck to a second position situated within the other one of said conical portions, each of said first and second positions being situated at such a distance from said neck that free passage of said fluid through said Venturi is not hindered by said plug when same is at any of said first and second positions; and polarization and ionization electrodes to electrify the particles in suspension in said fluid in the vicinity of said filtering walls.
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