Patent ID: 8640844
Filing Date: 2014-02-04
Classification: F16D

Abstract:
1. A dry clutch comprising: dry-clutch plates for engaging and releasing a first rotor with and from a second rotor; a first piston supported by a non-rotational member; a second piston supported by the first rotor and operated responsively to a stroke of the first piston; a bearing interposed between the first piston and the second piston and configured to permit relative rotation between the first and second pistons; and a lubricating element configured to supply the bearing with lubricating oil, wherein the first rotor has a partition wall portion and a blocking-off portion configured to block off a space between the bearing and the dry-clutch plates, the blocking-off portion comprising: wherein the partition wall portion extends in a radial direction of the first rotor and has a piston bore bored in a rotation-axis direction, and wherein the blocking-off portion is installed on a side face of the partition wall portion facing the dry-clutch plates.