TORQUE CONVERTER
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United States of America Patent
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N/A
Issued Date -
Nov 20, 2014
app pub date -
Dec 11, 2012
filing date -
Dec 14, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A torque converter includes a front cover, an impeller, a turbine and a stator. The impeller includes an impeller shell coupled to the front cover, a plurality of impeller blades disposed inside the impeller shell, and an impeller hub. The impeller hub is formed in an axially extending tubular shape, while being fixed at an engine-side end part thereof to the inner peripheral part of the impeller shell by means of friction welding. The impeller hub also has a burr produced by the friction welding.
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