Patent ID: 6564682
Filing Date: 2003-05-20
Classification: B23Q,F16K,Y10T

Abstract:
A distributor of a cryogenic fluid for cooling at least one machining tool mounted on a rotatable turret plate, comprising:a polymeric rotor having a first coefficient of thermal expansion and a cavity within the rotor; a metallic stator having a first end, a second end, a first longitudinal axis, and a second coefficient of thermal expansion, a substantial portion of the stator being disposed in the cavity within the rotor, thereby forming at least one interface between the stator and the rotor; and a self-sealing means, wherein a difference between the first coefficient of thermal expansion and the second coefficient of thermal expansion results in at least one seal at the at least one interface between the stator and the rotor when the cryogenic fluid flows through at least a portion of the stator.