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| Number | Title | Issue Date |
| 7736498 | Solution treatment apparatus and solution treatment method In the present invention, a plurality of exhaust paths connected to a plurality of cup bodies surrounding substrate holding portions respectively are joined together for common use, and the openings of exhaust rate adjustment sections provided on the exhaust paths a... | 06/15/2010 |
| 7254969 | Ribbed washing machine basket A basket for a washing machine includes a body comprising an outer wall and at least one rib extending radially inward from said wall, said rib comprising at least a first portion having a first cross section and a second portion having a second cross section, said ... | 08/14/2007 |
| 7039976 | Braking control system for a washing machine An inner tub of a washing machine is rapidly braked during a portion of a deceleration phase following an extraction phase of an overall spin cycle. A controller establishes the braking operation over a critical speed band or resonant frequency zone during which exc... | 05/09/2006 |
| 6964737 | Systems for water and wastewater sludge treatment using floc or network strength Systems and methods for polymer addition control for sludges from water and wastewater treatment. In a treatment process where flocculating agents are used to promote solids aggregation, intrinsic physical properties of the liquid rich stream following separation ma... | 11/15/2005 |
| 6451203 | Blood processing systems and methods using apparent hematocrit as a process of control parameter Blood processing systems and methods separate whole blood into red blood cells and a plasma constituent within a rotating centrifugal separation device. The systems and methods convey whole blood into the separation device through an inlet path including ... | 09/17/2002 |
| 6444127 | Water conditioning unit control valve A highly versatile drive arrangement that drives a linearly reciprocating piston of a water conditioning unit control valve without imparting any significant side loads on the support structure for the piston's drive rod or the associated seals. The drive... | 09/03/2002 |
| 6207063 | Blood processing systems and methods using apparent hematocrit as a process control parameter Blood processing systems and methods separate whole blood into red blood cells and a plasma constituent within a rotating centrifugal separation device. The systems and methods convey whole blood into the separation device through an inlet path including ... | 03/27/2001 |
| 6059979 | Blood processing systems and methods using apparent hematocrit as a process control parameter Blood processing systems and methods separate whole blood into red blood cells and a plasma constituent within a rotating centrifugal separation device. The systems and methods convey whole blood into the separation device through an inlet path including ... | 05/09/2000 |
| 5913767 | Worm centrifuge with centrifugal valve A worm centrifuge for separating solids/liquid mixtures is disclosed for overcoming the problems during start-up and shut-down processes that occur when quantity of a liquid is located or remains in the centrifuge drum, particularly the problem of the eme... | 06/22/1999 |
| 5788837 | Plastic flight type water treatment system for rectangular clarifiers In accordance with the teachings of the present invention, a waste water treatment system for removing sludge from within a rectangular clarifying tank as provided. The waste water treatment system includes a plurality of sludge collector flights attached... | 08/04/1998 |
| 5624571 | Drive mechanism and associated method for tilting pan filter assembly A drive mechanism for a tilting-pan filter assembly comprises an annular carrier for supporting a plurality of filter pans for motion along a circular transport path. The carrier is moved along the circular path by drive componentry including a plurality ... | 04/29/1997 |
| 5494584 | Method and apparatus for controlling a pump upstream of a centrifuge A method for removing insoluble materials from a liquid mixture, including spinning at least one centrifuge separator at a predetermined speed and pumping the mixture to the spinning centrifuge separator at a predetermined rate. The rate in which the mixt... | 02/27/1996 |
| 5431620 | Method and system for adjusting centrifuge operation parameters based upon windage A method and system of determining an operation parameter for a centrifuge includes measuring one or more physical characteristics of a rotor interchangeably supported by a rotor drive. In the preferred embodiment, windage is measured at a first rotationa... | 07/11/1995 |
| 5403489 | Solid phase extraction method and apparatus A method and apparatus for performing solid phase extraction (SPE) on a fluid that contains solubles and suspended solids. The method includes: (a) providing a volume of fluid that contains solubles and suspended solids, (b) processing the volume of fluid... | 04/04/1995 |
| 5344570 | Method and apparatus for removing solids from a liquid A method for removing insoluble materials from a liquid mixture, including spinning at least one centrifuge separator at a predetermined speed and pumping the mixture to the spinning centrifuge separator at a predetermined rate. The rate in which the mixt... | 09/06/1994 |
| 5190644 | Motion controller for wastewater treatment trickling filter An apparatus for controlling the rate of rotation of a wastewater distribution assembly for a sewage treatment trickling filter contained by a vessel. The wastewater distribution assembly is of the type including a support and at least one distribution ar... | 03/02/1993 |
| 5171435 | Dehydrator tub for clothes washing with controlled variable rotational speeds A dehydrator for use in washing clothes or the like includes a dehydration tub mounted in an outer cabinet, a brushless motor for rotating the dehydration tub for a dehydrating operation, and a microcomputer-based controller for controlling the rotational... | 12/15/1992 |
| 5169519 | Oil spill recovery system An oil spill recovery system deposits a polypropylene quilt onto an oil spill on water, the quilt being deposited at the speed of movement of a water craft so there is no relative motion between the quilt and the water. The quilt is allowed to rest for a ... | 12/08/1992 |
| 5167833 | Rotary distributor/auxiliary backup drive mechanism for trickling filter systems The present invention deals with wastewater treatment systems, and more particularly with trickling filter systems using distribution tubes or arms rotating about a central point above filter beds to distribute wastewater thereto. The present invention co... | 12/01/1992 |
| 5009795 | Process for the dewatering of solids suspended in water and screw press separator therefor Solids contained in waste water are separated and dewatered by a separator comprising a cylindrical strainer basket and a rotary screw disposed in said basket. The screw terminates short of an outlet end of the basket. Waste water introduced into the sepa... | 04/23/1991 |
| 4995991 | Method and apparatus for improving the operation of a disc filter A disc filter and method of operating same is provided in which a liquid jet is intermittently used to detach pulp cake from the disc filter. In operation, mechanical or electrical means actuate a nozzle to spray pressurized fluid at a portion of the boun... | 02/26/1991 |
| 4981585 | Centrifuge system and fluid container therefor A disk shaped cassette for centrifugal fluid separation, particularly blood separation, and a drive system for high speed rotation of the cassette. The cassette is driven at speeds which permit very rapid separation of the blood in times on the order of s... | 01/01/1991 |
| 4944870 | Automatic filtration dewatering system An automatic filtration dewatering system includes a cover to which a filtration raw liquid supply pipe and a pressure air supply pipe are connected. A plate having a filter medium support and a filtrate exhaust pipe is selectively closed by a cover with ... | 07/31/1990 |
| 4853116 | Device for collecting and discharging solid matter A device for collecting and discharging solid matter from a liquid-solid mixture in a waste collecting stream having a grid structure including alternate stationary and displaceable bars, the displaceable bars being interconnected so as to rotate as one u... | 08/01/1989 |
| 4594156 | Motorized surface scum skimmer for waste water treatment apparatus Waste water treatment apparatus including a vessel for receiving the waste water and having an inlet and an effluent outlet spaced from the inlet. The space between the two defines a flow path for the waste water and a scum outlet is also provided for the... | 06/10/1986 |
| 4594166 | Desludging device for centrifuges An improved desludging device for basket centrifuges facilitates the automatic withdrawal of hard sludge from the centrifuge. The device includes a sludge discharge tube and a sludge re-slurrying tube, the tubes being connected in a loop, so that fluid ex... | 06/10/1986 |
| 4543083 | Centrifuge and valve therefor A centrifuge for separating first and second liquids having different specific gravities includes a container supported for rotation about an axis, a drive arrangement for rotating the container, a supply arrangement for introducing a mixture of the liqui... | 09/24/1985 |
| 4369698 | Arrangement for separating fruits into fruit pulp, fruit skin and fruit core An arrangement for continuously separating fruits has a housing, a sieve element rotating in the housing and a hammer element rotating inside the sieve element, wherein the sieve element rotates with the speed which is lower than the speed of rotation of ... | 01/25/1983 |
| 4367141 | Apparatus for the concentration of sludges and suspensions The apparatus is suitably disposed within a circular tank and comprises a stationary bridge, a feeding bell, a scraper, driving means, and an optional foam scraping means. The apparatus is characterized in that it has a centrally suspended rotating scrape... | 01/04/1983 |
