Method of diagnosing turbochargers for internal combustion...

Details Method of diagnosing turbochargers for internal combustion... Method of diagnosing turbochargers for internal combustion...

2007-03-02

2008-12-30

McCall, Eric S (Department: 2855)

Measuring and testing

Internal combustion engine or related engine system or...

Testing of an individual engine part

Reexamination Certificate

active

07469577

ABSTRACT:
A method for diagnosing a turbocharger (10) includes disconnecting the compressor outlet conduit (26) so that the engine (12) is naturally aspirated and using the engine to drive the turbine (14) of the turbocharger. The compressor outlet conduit (26) has a restriction (28) to create a backpressure which is measured along with the inlet pressure, barometric pressure and ambient temperature. The flow rate is determined and compared to acceptable parameters from a map data provided by a turbocharger manufacturer to diagnose if the turbocharger is operating within the acceptable parameters.

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patent: 7380445 (2008-06-01), Wood
patent: 2005/0193810 (2005-09-01), Gladden
patent: 2008/0011070 (2008-01-01), Wood

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