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Class Information
Number: 210/376
Name: Liquid purification or separation > Filter > Movable medium > Centrifugal extractor > Discharging residue > By residue engaging means > Axially reciprocable
Description: Apparatus in which the residue engaging means is axially reciprocable parallel to the axis of rotation.










Patents under this class:

Patent Number Title Of Patent Date Issued
7935042 Gas driven solids discharge and pumping piston for a centrifugal separator May. 3, 2011
7628749 Solids recovery using cross-flow microfilter and automatic piston discharge centrifuge Dec. 8, 2009
7618361 Gas driven solids discharge and pumping piston for a centrifugal separator Nov. 17, 2009
7396460 Filter element Jul. 8, 2008
7261683 Conical piston solids discharge and pumping centrifugal separator Aug. 28, 2007
7168571 Inverting-filter centrifuge Jan. 30, 2007
7052451 Conical piston solids discharge centrifugal separator May. 30, 2006
7032759 Pusher centrifuge Apr. 25, 2006
7025211 Double pusher centrifuge Apr. 11, 2006
7017756 Multi-stage pusher centrifuge Mar. 28, 2006
6986734 Centrifugal separator with scraper or piston for discharging solids Jan. 17, 2006
6776752 Automatic tube bowl centrifuge for centrifugal separation of liquids and solids with solids discharge using a scraper or piston Aug. 17, 2004
6632166 Centrifuge having axially movable scraping assembly for automatic removal of solids Oct. 14, 2003
6592760 Spring air lance hose, and vertical basket centrifuge including such hose, and methods of making and using Jul. 15, 2003
5958235 Continuous-feed filtering- or screening-type centrifuge with reslurrying and dewatering Sep. 28, 1999
5942170 Process of and apparatus for preparing thermosetting polymer pellets Aug. 24, 1999
5935438 Pusher centrifuge Aug. 10, 1999
5865993 Filter centrifuge with a drying device for the moist solids collected in the centrifuge drum Feb. 2, 1999
5618423 On-the-fly long-running rotary filtration screen device Apr. 8, 1997
5567321 Centrifugal filter Oct. 22, 1996
5356366 Process for the operation of a pusher centrifuge Oct. 18, 1994
5305685 Grounds removal centrifuge Apr. 26, 1994
5205933 Pusher centrifuge Apr. 27, 1993
5149424 Centrifuge apparatus for residual liquid waste removal from recyclable container material Sep. 22, 1992
5143555 Travelling doctor blade Sep. 1, 1992
5021158 Process and apparatus for the separation of mixtures of substances Jun. 4, 1991
4889627 Pusher centrifuge Dec. 26, 1989
4749486 Automatic lateral filtration-type centrifuge Jun. 7, 1988
4640770 Apparatus for extracting water from solid fines or the like Feb. 3, 1987
4505824 Method and apparatus for purifying liquid using an electromagnetic filter Mar. 19, 1985
4434052 Centrifugal separator Feb. 28, 1984
4381236 High pressure rotary centrifugal separator having apparatus for automatically cyclically reciprocating a corotating separator basket scraper Apr. 26, 1983
4320007 Pusher-type centrifuge filters Mar. 16, 1982
4226724 Two-stage pusher centrifuge Oct. 7, 1980
4217226 Pusher centrifuge Aug. 12, 1980
4209405 Centrifuge Jun. 24, 1980
4073731 Push-type centrifuge Feb. 14, 1978
3972514 Centrifuge for the refining of nonferrous metals Aug. 3, 1976
3957649 Washer or hydro-extractors May. 18, 1976
3945921 Rotary centrifugal machine Mar. 23, 1976











 
 
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