| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To rotatably attach a valve shaft 37 on a part of a turbine housing 7 without using bushing. <P>SOLUTION: A bypass channel 33 connecting an inlet side and an outlet side of the turbine housing 7 is formed in the inside of the turbine housing 7, and a part of the turbine housing 7 made of cast steel is provided in a support hole 36h of a bearing part 35 with keeping a valve shaft 37 rotatable, a base end part of a valve arm 39 is integrally connected to one end part of the valve shaft 37, a waste gate valve 41 opening and closing an opening part of the bypass channel 33 is integrally provided on a tip part of a valve arm 39, a base end part of a link plate 43 is integrally connected to another end part of the valve shaft 37, and an actuator 45 rotating the link plate 43 with the axial center of the valve shaft 37 as a center is provided on the compressor housing 11. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
