The present invention relates to a chamber for a centrifuge wherein the longitudinal circulation of air in the chamber is assisted. This is achieved, for example, by a specific form of lid for the chamber.
A swinging bucket centrifuge rotor includes a windshield having upper and lower portions in which the lower portion of the windshield is movable with respect to the shaft from an open to a closed position in response to a closing force generated by rotation of the rotor.