Exhaust gas turbocharger having an internally insulated turbine volute
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United States of America Patent
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Dec 12, 2017
Grant Date -
Apr 28, 2016
app pub date -
Apr 30, 2014
filing date -
May 14, 2013
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Abstract
A turbine housing (1) of an exhaust-gas turbocharger (15) having a turbine volute (7) which is delimited by a metallic outer shell (8) and which has an inner wall (9); and a heat insulation layer (10) which is arranged on the inner wall (9) and which has a heat insulation core (6A, 6B) which, on its surface (12A, 12B) facing into a volute interior space (11), is covered by a first sheet-metal shell (3A, 3B). The heat insulation core (6A, 6B) is covered, on a surface (13A, 13B, 13′B) facing toward the inner wall (9), by a second sheet-metal shell (4A and 4B respectively).
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