Filter apparatus for machine tool coolant

Details Filter apparatus for machine tool coolant Filter apparatus for machine tool coolant

B - Operations, Transporting

01

D

B01D 33/06 (2006.01) B01D 29/39 (2006.01) B01D 33/067 (2006.01) B01D 33/073 (2006.01) B01D 33/21 (2006.01) B01D 33/23 (2006.01)

Patent

CA 2202877

Filter apparatus for filtering contaminants from a fluid, such as machine tool coolant, are disclosed. One filter apparatus includes a filter drum unit (160) having a generally cylindrical open perforated support plate (170) with a cylindrical screen element (172) mounted thereabout. Circumference varying mechanisms, such as turnbuckles (174), are connected relative to the support plate (170) to vary the circumference of the support plate (170) and the tautness of the screen element (172). A disc filter assembly (24') having a mandrel (100) and fluidly attached annular disc filter elements (88') is also described. Each annular disc filter element (260) has an inner structure (252) with concentric ribs (274) forming concentric grooves (270) therebetween which are connected to radially extending grooves (282). Each disc filter element (300) has a rectangular inner structure (302) which is pleated or folded in an accordion-like fashion.

Appareil de filtrage conçu pour filtrer un fluide, tel qu'un agent de refroidissement de machine-outil, et le débarrasser des contaminants qu'il contient. Un appareil de filtrage comporte une unité de tambour filtrant (160) doté d'une plaque de support ouverte (170), perforée et généralement cylindrique sur laquelle est monté un élément de criblage cylindrique (172). Des mécanismes à circonférence variable tels que des manchons de serrage (174) sont relié à la plaque de support (170) de manière à faire varier la circonférence de celle-ci (170) ainsi que la raideur de l'élément de criblage (172). Un ensemble filtre à disques (24') présentant un mandrin (100) et des éléments annulaires (88') fixés flottants est également décrit. Chacun desdits éléments (260) présente une structure interne (252) à nervures entre lesquelles sont formées des rainures concentriques reliées à des rainures radiales (282). Chaque élément de filtre à disques (300) présente une structure interne rectangulaire (302) qui est plissée ou pliée en accordéon.

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