Method of testing internal combustion engine
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United States of America Patent
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-
Feb 20, 1996
Issued Date -
N/A
app pub date -
Feb 28, 1995
filing date -
Nov 29, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of testing an internal combustion engine to detect engine defects. After the engine has been assembled, the engine is cranked, gas under pressure is injected into the intake ports, and the pressures developed at the exhaust ports as the engine is cranked are noted and evaluated. The pressurized air injected into the intake ports amplifies the pressure signals developed at the exhaust ports so as to provide more accurate identification of engine defects and detect engine defects that might go undetected utilizing prior art technology.
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