Patent ID: 7797936
Filing Date: 2010-09-21
Classification: F01D,F02B,F02C,F05B,F05D

Abstract:
1. An exhaust turbo supercharger comprising: a turbine housing, into which exhaust gas from an internal combustion engine is introduced; a turbine wheel disposed within said turbine housing and being rotatably driven by the exhaust gas; a turbine shaft having one end inserted into said turbine housing, and having said turbine wheel attached thereto; a bearing supporting said turbine shaft; a bearing housing connected to said turbine housing and having said bearing housed inside thereof; and a gasket sealing an area outside in the radial direction of said turbine shaft and between said turbine housing and said bearing housing; wherein a bolt insert hole is disposed in said turbine housing, an internal thread insert made from a heat insulating material is disposed in said bolt insert hole, and said turbine housing and said bearing housing are detachably fixed by a bolt that engages said internal thread insert.