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Passenger environmental protection

  • US 7,472,554 B2
  • Filed: 02/14/2005
  • Issued: 01/06/2009
  • Est. Priority Date: 02/14/2005
  • Status: Expired due to Fees
First Claim
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1. A passenger cabin environmental protection system for a vehicle, the passenger protection system comprising:

  • a carbon dioxide sensor for generating a carbon dioxide signal;

    a cabin temperature sensor for generating a temperature signal; and

    a controller in electrical communication with the carbon dioxide sensor and the temperature sensor, the controller being configured to initiate a safety precaution based on the carbon dioxide signal and the temperature signal;

    a motion sensor for generating a motion signal;

    wherein the controller is configured to determine a person is located in the vehicle based on the carbon dioxide signal and the motion signal;

    wherein the controller is configured to initiate a plurality of safely precautions, each safety precaution being initiated based on one of a plurality of predetermined temperature thresholds.

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