Method for remote engine start

Details Method for remote engine start Method for remote engine start

2005-02-08

2005-02-08

Nguyen, Tan Q. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

C701S100000, C123S491000

Reexamination Certificate

active

06853895

ABSTRACT:
A method for remote start of a vehicle engine is disclosed. Immediately upon engine start the volatility characteristics of the fuel are determined and this information used to adjust the quantity of fuel injected into the cylinders of the engine during open-loop fuel injection control. Passenger compartment electrical loads are turned off until the catalytic exhaust system is heated to permit closed-loop fuel control. Thereafter, pending operator intervention, the fan, A/C, defroster, and the like, are sequentially turned on and operated for a limited time to prepare the passenger compartment for the absent driver. The method results in minimum emissions, and reduces fuel consumption during extended idle operation while maintaining smooth engine start operation.

REFERENCES:
patent: 4184460 (1980-01-01), Harada et al.
patent: 4232289 (1980-11-01), Daniel
patent: 4354554 (1982-10-01), Calhoun et al.
patent: 4606307 (1986-08-01), Cook
patent: 4637359 (1987-01-01), Cook
patent: 6360726 (2002-03-01), Javaherian
patent: 6481428 (2002-11-01), Makki et al.

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