Patent ID: 8733101

Claim:
A wastegate valve apparatus comprising: a bypass path which bypasses a turbine of a turbocharger in an exhaust gas path of an engine; a wastegate valve which is provided in the bypass path and which is configured to open and close the bypass path; a valve seat which is formed in a plane tilted with an inclination angle with respect to an axial direction of the bypass path; a pivot shaft which has a pivot center line arranged in a relationship of 0°<β<90° where β is an inclination angle with respect to a direction of the plane including the valve seat in a side view showing the axial direction of the bypass path; and a valving element which is pivotable around the shaft center line of the pivot shaft via a support arm, the valving element being configured to be moved away from or closer to the valve seat by pivotation of the valving element to open or close the valve.