Turbocharger with adjustable throat
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United States of America Patent
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-
Jan 27, 2009
Grant Date -
Oct 4, 2007
app pub date -
Mar 8, 2007
filing date -
Mar 30, 2006
priority date (Note) -
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Abstract
An exhaust gas turbocharger for an internal combustion engine has a flow control gate that is timely pivotal and located within the exhaust gas inlet downstream of the flow splitter. Control is provided to timely pivot the flow control gate toward the turbine rotor and thus provides an initial high velocity spin to the rotor when turbo charged boost pressure is demanded from an adjustable direction flow control valve. The control valve uses boost pressure from the compressor to timely actuate a piston and lever connected to the pivotal flow control gate, or a signal from an engine control module (ECM) can be directed to a hydraulic, pneumatic or electrical actuator having a reciprocal control rod connected to the flow control gate.
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