Rotary filtration devices and processes are disclosed. The devices have at least one inner member and at least one outer member, one or both of which rotate so that they rotate with respect to one another and which define a fluid filtration gap therebetween. There are one or more filters facing the fluid...http://www.google.fr/patents/US5944998?utm_source=gb-gplus-shareBrevet US5944998 - Rotary filtration device with flow-through inner member
Rotary filtration device with flow-through inner member
