# US 8,662,315 B2 · Rotary fan press

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- Number: US 8,662,315 B2
- Document ID: US8662315B2
- Status: Granted
- Kind: B2
- Application number: 12/501,665
- Filed: 2009-07-13
- Published: 2010-01-21
- Granted: 2014-03-04
- Earliest claimed: 2008-07-14
- Assignees: Prime Solution, Inc.
- Applicants: Joseph W. Dendel; Roger J. Tyria
- Inventors: Joseph W. Dendel; Roger J. Tyria
- Web page: https://patentgrep.com/patent/US8662315B2

## CPC

- B01D 33/21: with hollow filtering discs transversely mounted on a hollow rotary shaft
- B01D 33/39: concentrically or coaxially
- B01D 33/463: {nozzles}
- B01D 33/466: {scrapers}
- B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28)

## Abstract

A liquid extraction assembly for extracting liquid from a mass comprising a housing having an inlet and an outlet and a path therebetween. The housing includes a rotating screen adjacent the path. The housing can have a nozzle at the inlet. The housing can include an inflatable member providing a seal adjacent the screen for maintaining the mass in the path. The housing can include a center seal rotating with the screen and a fixed scraper in the path and adjacent the at least one rotating screen, with the center seal including a notch for accepting a tip of the scraper therein. The housing can also include side walls and an annular seal located between the side walls, with the annular seal defining an outer periphery of the path and having a rotating top end portion allowing an area of the outlet to change.

## Claims

### Claim 1

A liquid extraction assembly for extracting liquid from a mass comprising:
a housing having an inlet and an outlet;
the housing further including a path between the inlet and the outlet;
the housing being configured to have the mass forced into the inlet to move the mass from the inlet to the outlet;
the housing including a rotating screen adjacent the path, the rotating screen defining one wall of the path;
the rotating screen including a plurality of openings located at the path;
wherein pressure from mass forced into the input presses the mass against the openings of the rotating screen to thereby force at least a portion of liquid in the mass to pass through the openings of the rotating screen;
the housing including an inflatable member providing a seal adjacent the rotating screen for maintaining the mass in the path, the inflatable member abutting a side face of the rotating screen adjacent an outer peripheral edge of the rotating screen.

### Claim 2 (depends on 1)

The liquid extraction assembly of claim 1, wherein:
the housing includes a center seal rotating with the rotating screen and at least one fixed scraper in the path and adjacent the rotating screen, the at least one fixed scraper cleaning the rotating screen as the rotating screen is rotated past the at least one fixed scraper; and
the center seal includes a groove for accepting a tip of the at least one fixed scraper therein.

### Claim 3 (depends on 1)

The liquid extraction assembly of claim 1, wherein:
the inlet is located below the outlet; and
the housing includes a pair of side walls and an annular seal located between the pair of side walls, the annular seal defining an outer periphery of the path, the annular seal having a rotating top end portion allowing an area of the outlet to change.

### Claim 4 (depends on 1)

The liquid extraction assembly of claim 1, wherein:
the rotating screen and the inflatable member are circular.

### Claim 5

A liquid extraction assembly for extracting liquid from a mass comprising:
a housing having an inlet and an outlet;
the housing further including a path between the inlet and the outlet;
the housing being configured to have the mass forced into the inlet to move the mass from the inlet to the outlet;
the housing including a rotating screen adjacent the path, the rotating screen defining one wall of the path;
the rotating screen including a plurality of openings located at the path;
wherein pressure from mass forced into the input presses the mass against the openings of the rotating screen to thereby force at least a portion of liquid in the mass to pass through the openings of the rotating screen;
the housing including a center seal rotating with the rotating screen and at least one fixed scraper in the path and adjacent the rotating screen, the at least one fixed scraper cleaning the rotating screen as the rotating screen is rotated past the at least one fixed scraper;
the center seal including a groove for accepting a tip of the at least one fixed scraper therein;
the center seal forming a wall of the path and abutting the mass moving through the assembly; and
the groove is at a junction between an outer side face and a peripheral cylindrical face of the center seal.

### Claim 6 (depends on 5)

The liquid extraction assembly of claim 5, wherein:
the inlet is located below the outlet; and
the housing includes a pair of side walls and an annular seal located between the pair of side walls, the annular seal defining an outer periphery of the path, the annular seal having a rotating top end portion allowing an area of the outlet to change.