Liquid purification or separation – Flow – fluid pressure or material level – responsive
Reexamination Certificate
2006-03-14
2006-03-14
Popovics, Robert James (Department: 1724)
Liquid purification or separation
Flow, fluid pressure or material level, responsive
C210S103000, C210S105000, C210S227000, C210S400000
Reexamination Certificate
active
07011741
ABSTRACT:
A pressure-filter apparatus includes at least one filtration chamber coupled with a source of slurry. The filtration chamber is also coupled with a source of fluid at an elevated pressure, which may be arranged in series or in parallel with a source of wash fluid. The pressure-filter apparatus may also include a source of fluid at a conventional pressure. The source of fluid at elevated pressure has a limited volume for initially treating the slurry within the chamber. The source of fluid at conventional pressure has a substantially unlimited volume for completing the treating of slurry within the chamber. The relative volume capacity of the two fluid sources provides an improved efficiency in the treatment of the slurry and the overall efficiency of the apparatus by limiting the time and capacity of accumulation of elevated pressure fluid while using the conventional pressure for extended treatment of the slurry within the chamber.
REFERENCES:
patent: 4664813 (1987-05-01), Schneider
patent: 5059318 (1991-10-01), Benesi
patent: 5292434 (1994-03-01), Benesi
patent: 5462677 (1995-10-01), Benesi
patent: 5477891 (1995-12-01), Benesi
patent: 5482594 (1996-01-01), Salminen
patent: 5510025 (1996-04-01), Benesi
patent: 5573667 (1996-11-01), Benesi
patent: 5615713 (1997-04-01), Benesi
patent: 6159359 (2000-12-01), Benesi
patent: 6274042 (2001-08-01), Beck
patent: 6280638 (2001-08-01), Belchev
patent: 6491817 (2002-12-01), Benesi
patent: 6521135 (2003-02-01), Benesi
patent: 2003/0127401 (2003-07-01), Benesi
Popovics Robert James
Wasson George W.
Woodruff T.
LandOfFree
Filtration apparatus operating features does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Filtration apparatus operating features, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filtration apparatus operating features will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3556395