Multi-stage centrifugal debris trap

A centrifugal debris trap comprising:

• a cylindrical chamber bound by an inner surface of a continuous wall concentrically disposed about a center axis at a first inner diameter;
• said inner surface separated from an outer surface of said continuous wall by a wall thickness;
• said continuous wall having a first wall end longitudinally separated along said center axis from a second wall end by a wall length;
• said cylindrical chamber being sealed at said first wall end by a back plate attached about a circumference of said first wall end;
• a plurality of grooves located between said first wall end and said second wall end;
• said plurality of grooves extending radially outward from said inner surface into a portion of said continuous wall;
• each of said plurality of grooves having a groove outer diameter that is greater than said first inner diameter;
• said cylindrical chamber being open at said second wall end through a ring attached to said second wall end about a circumference of said second wall end;
• said ring having a ring opening radially disposed about, and concentric to said center axis;
• said ring opening having a second inner diameter that is less than said first inner diameter;
• said ring having a first outer ring diameter greater than an outer diameter of said outer surface of said continuous wall;
• said ring having a plurality of teeth extending radially outward from said first outer ring diameter forming a discontinuous toothed ring concentric with said ring opening, and
• said toothed ring having a second outer ring diameter greater than said first outer ring diameter.

A centrifugal debris trap comprising:

• a cylindrical chamber bound by an inner surface of a continuous wall concentrically disposed about a center axis at a first inner diameter;
• said inner surface separated from an outer surface of said continuous wall by a wall thickness;
• said continuous wall having a first wall end longitudinally separated along said center axis from a second wall end by a wall length;
• said cylindrical chamber being sealed at said first wall end by a back plate attached about a circumference of said first wall end;
• a plurality of grooves located between said first wall end and said second wall end;
• said plurality of grooves extending radially outward from said inner surface into a portion of said continuous wall;
• each of said plurality of grooves having a groove outer diameter such that a ratio of said groove outer diameter to said first inner diameter is about 1.01 or greater;
• said cylindrical chamber being open at said second wall end through a ring attached to said second wall end about a circumference of said second wall end;
• said ring having a ring opening radially disposed about, and concentric to said cylindrical chamber;
• said ring opening having a second inner diameter such that a ratio of said first inner diameter to said second inner diameter is about 1.01 or greater;
• said ring having a first outer ring diameter such that a ratio of said first outer ring diameter to an outer diameter of said outer surface of said continuous wall is about 1.01 or greater;
• said ring having a plurality of teeth extending radially outward from said first outer ring diameter fanning a discontinuous toothed ring concentric with said ring opening;
• said toothed ring having a second outer ring diameter greater than said first outer ring diameter;
• and
• said ring having a plurality of spacing teeth extending longitudinally along said center axis outwardly from said ring in a direction opposite of said cylindrical chamber, wherein:
• an outer diameter of said back plate is dimensioned to frictionally engage a portion of a chamber disposed within a housing such that said debris trap is removable from said housing, and wherein said second outer ring diameter of said discontinuous toothed ring is dimensioned to engage a portion of said housing to position said debris trap within a portion of said chamber.

A method of removing debris from a fluid, comprising:

• rotating a debris trap comprising a ring opening about a center axis;
• directing said fluid in a first direction along said center axis through said ring opening of said rotating debris trap such that said fluid exits said rotating debris trap through said ring opening in a second direction opposite from said first direction;
• wherein a concentration of debris in said fluid exiting from said rotating debris trap is less than a concentration of debris in said fluid entering said rotating debris trap;
• said debris trap comprising:
• a cylindrical chamber bound by an inner surface of a continuous wall radially disposed about a center axis at a first inner diameter;
• said inner surface separated from an outer surface of said continuous wall by a wall thickness;
• said continuous wall having a first wall end longitudinally separated along said center axis front a second wall end by a length;
• said cylindrical chamber being sealed at said first wall end by a back plate attached about a circumference of said first wall end;
• a plurality of grooves located between said first wall end and said second wall end;
• said plurality of grooves extending radially outward from said inner surface into a portion of said continuous wall;
• each of said plurality of grooves having a groove outer diameter that is greater than said first inner diameter;
• said cylindrical chamber being open at said second wall end through said ring opening radially disposed about said center axis through a ring attached to said second wall end about a circumference of said second wall end;
• said ring opening having a second inner diameter less than said first inner diameter;
• said ring having first outer ring diameter greater than an outer diameter of said outer surface of said continuous wall;
• said ring having a plurality of teeth extending radially outward from said first outer ring diameter forming a discontinuous toothed ring concentric with said ring opening:
• and
• said toothed ring having a second outer ring diameter greater than said first outer ring diameter.