Reduced emissions elevated altitude speed control for diesel eng

Details Reduced emissions elevated altitude speed control for diesel eng Reduced emissions elevated altitude speed control for diesel eng

1999-09-07

2000-12-12

Solis, Erick

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123465, F02D 700

Patent

active

061584169

ABSTRACT:
A diesel engine includes a fuel injection control system communicating with a barometric pressure sensor and throttle position sensor. An elevation compensation controller adjusts engine speed and fuel injection timing at high altitudes in response to the sensed barometric pressure and engine throttle position. Engine speed is increased or decreased by predetermined values with changes in barometric pressure and throttle position to optimize engine performance and efficiency under various pressure conditions while reducing exhaust emissions.

REFERENCES:
patent: 4037575 (1977-07-01), Sommars
patent: 4384560 (1983-05-01), Jager et al.
patent: 5086739 (1992-02-01), Frankle
patent: 5144926 (1992-09-01), Kato
patent: 5532930 (1996-07-01), Kako

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