Oxygen depletion sensing for a remote starting vehicle

Details Oxygen depletion sensing for a remote starting vehicle Oxygen depletion sensing for a remote starting vehicle

2007-01-23

2007-01-23

Wolfe, Jr., Willis R. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S109000, C123S679000, C123S491000

Reexamination Certificate

active

10951198

ABSTRACT:
Automotive vehicles are increasingly being equipped with remote starting devices. If the vehicle is within a space which is very well sealed, it is possible that the concentration of the exhaust gases may exceed desirable levels. A method and system are disclosed in which a mass-based determination of air/fuel ratio is compared with the air/fuel ratio being maintained by the exhaust gas oxygen sensor. When the air/fuel ratio based on a mass measurement deviates from the air/fuel ratio based on the exhaust gas oxygen sensor by more than a threshold difference, the remotely started vehicle is turned off.

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