Patent ID: 6869527
Filing Date: 2005-03-22
Classification: B01D

Abstract:
1. A filter facility comprising: a container including a chamber formed therein to receive a fluid, a filter device received in said chamber of said container, to separate said chamber of said container into a first space and a second space, said container including an inlet communicating with said first space of said container, to allow the fluid to flow into said first space of said container and then to flow through said filter device, and said container including an outlet communicating with said second space of said container, to allow the fluid flowing through said filter device to flow out through said second space and said outlet of said container, said filter device including a housing having a bottom panel received in said chamber of said container, and having an outer peripheral wall extended upwardly from said bottom panel, to form a chamber in said housing, a plurality of filter particles received within said chamber of said housing, for filtering the fluid, a first filter member disposed below said bottom panel of said housing, and disposed between said housing and said second space of said container, to filter the fluid, a casing disposed below said first filter member, and disposed between said first filter member and said second space of said container, said casing including a plurality of orifices formed therein to allow the fluid to flow through said first filter member and said orifices of said container, a second filter member disposed on said filter particles, to filter the fluid before the fluid flowing through said filter particles, a filter screen disposed on said second filter member, to filter the fluid before the fluid flowing through said second filter member, and means for biasing said filter screen against said second filter member and said filter particles, said housing including a peripheral partition extended upwardly from said bottom panel thereof, and extended into said chamber of said housing, and including a plate provided on top of said peripheral partition, to form a compartment within said peripheral partition and said plate, and to form a peripheral space between said peripheral partition and said peripheral wall of said housing, and said housing including a plurality of apertures formed in said peripheral wall and said peripheral partition and said plate, and communicating with said chamber and said compartment and said peripheral space of said housing, to increase a flowing area of the fluid through said housing.