Patent ID: 6155121
Filing Date: 2000-12-05
Classification: G01M

Abstract:
A noise tester of a V-belt used in a continuously variable transmission, comprising:a lower unit,a first fixed conical plate and a second fixed conical plate supported free to rotate in said lower unit,an upper unit which displaces in a vertical direction above said lower unit,an actuator for displacing said upper unit in a vertical direction,a first movable conical plate which is supported free to rotate in said upper unit via a first shaft and displace in a vertical direction,a second movable conical plate which is supported free to rotate in said upper unit via a second shaft and displace in a vertical direction,a motor for rotating either of said shafts,a sensor for measuring either the vibration of either of said shafts or the noise of said V-belt, anda controller for determining whether or not said V-belt is satisfactory based on said measured vibration or noise.