Double cone for generation of a pressure difference

Details Double cone for generation of a pressure difference Double cone for generation of a pressure difference

F - Mech Eng,Light,Heat,Weapons

04

F

F04F 5/46 (2006.01) F04F 5/44 (2006.01)

Patent

CA 2525680

The present invention deals with a double-cone device that produces enhanced suction, pressure amplification and reduced noise. The enhancement is achieved by using a continuous geometry for the two frustroconical sections of the double-cone device. Further, a plurality of holes on the exit cone is used to suck the material into the device. Continuous geometry results in a stable flow profile that leads to reduced noise and enhanced amplification. Holes increase the suction force since they can be placed very close to the orifice. Further enhancements are also achieved by choosing the appropriate range of entry cone and exit cone angles.

La présente invention concerne un dispositif à cône double qui produit une meilleure succion, une amplification de pression et un bruit réduit. Pour ce faire, est utilisée une géométrie continue destinée à deux sections frustroconiques du dispositif à cône double. En outre, une pluralité de trous sur le cône de sortie est utilisée pour aspirer la matière dans le dispositif. Ladite géométrie continue permet de déboucher sur un profil à flux stable qui engendre un bruit réduit et une meilleure amplification. Lesdits trous augmentent la force de succion, comme ils sont placés à proximité de l'orifice. D'autres améliorations sont réalisées par l'intermédiaire du choix de la fourchette appropriée d'angles du cône d'entrée et du cône de sortie.

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