Patent ID: 7424875
Filing Date: 2008-09-16
Classification: F01L

Abstract:
1. A phase controller having a first rotating member and a second rotating member adapted to be rotated through the first rotating member and controlling a phase angle as a relative rotational position between the first and second rotating members, the phase controller comprising: a first guide portion mounted so as to be relatively unrotatable to an upstream-side member in a power transfer path from the first rotating member to the second rotating member and a second guide portion mounted so as to be relatively unrotatable to a downstream-side member in the power transfer path, the first guide portion and the second guide portion being arranged alternately in the direction of a circumference at the same radial position; a first wedge member disposed between the first guide portion and the second guide portion in one circumferential direction of the first guide portion on the circumference and a second wedge member disposed between the first guide portion and the second guide portion in the other circumferential direction; and urging means that urge the first wedge member and the second wedge member in one axial direction simultaneously and drive means that move the first wedge member and the second wedge member in an opposite axial direction, wherein the first wedge member and the second wedge member are moved in the one axial direction by the urging means and the wedge members come into close contact with both the first and second guide portions in the one circumferential direction and in the other circumferential direction.