US 6,151,549 A · System for controlling engine fueling according to vehicle location

Abstract

A system for controlling fueling of an internal combustion engine based upon vehicle position includes a receiver associated with the vehicle that is capable of receiving position and altitude information. The vehicle includes a control computer that delivers control signals to an engine fueling system, as well as to a turbocharger control system. The control computer includes a module that receives the altitude information and uses that information to evaluate changes in ambient air pressure that might detrimentally affect turbocharger speed. In one embodiment, the control computer reduces the fueling signal to reduce engine speed in relation to a decrease in ambient air pressure accompanying an increase in vehicle elevation. In another embodiment, the control computer uses the highly accurate altitude information together with engine speed information provides signals to the turbocharger control system.

Claims17

Dependent claims

A system for controlling fueling of an internal combustion engine of a vehicle according to vehicle altitude, comprising:

a receiver associated with the vehicle for receiving signals relating to the altitude of the vehicle;
a fueling system responsive to a fueling signal to provide fuel to the internal combustion engine of the vehicle;
means responsive to said signals for generating an ambient pressure value as a function of the altitude of the vehicle;
and
means for generating said fueling signal as a function of said ambient pressure value.

2 more elements

Dependencies are inferred from the claim text.

System for controlling engine fueling according to vehicle location

Life of this patent

System for controlling engine fueling according to vehicle location

Life of this patent

Abstract

Claims17