Patent ID: 7175771
Filing Date: 2007-02-13
Classification: B01D,B04B,F01M,F16C,F16N

Abstract:
1. A centrifugal 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 from a second wall end by a length; 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 sealed at said first wall end by a back plate attached about a circumference of said first wall end; 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 said center axis; said ring opening having a second inner diameter 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.