Patent ID: 7074173

Claim:
A centrifuge, comprising: a centrifugal drum including a centrifugal chamber and a centrifugal chamber bottom part non-displaceable relative to the centrifugal drum; a piston slide axially displaceably arranged at least one of in the centrifugal drum and on the centrifugal drum; at least one seal arranged in a surrounding groove on an outer circumference of the centrifugal chamber bottom part, the at least one seal arranged between the piston slide and the outer circumference of the centrifugal chamber bottom part to seal off a gap between the piston slide and the centrifugal chamber bottom part; the groove, into which the at least one seal is inserted, is configured to be constructed at least in sections and axially open toward the centrifugal chamber such that the at least one seal is situated to be open at least in sections toward the centrifugal chamber; and wherein the groove is axially open except for webs.