Frances L Phillips

US Patent:

6057755, May 2, 2000

Filed:

May 14, 1998

Appl. No.:

9/078887

Inventors:

Frances Phillips - Manassas VA

International Classification:

B60Q 100

US Classification:

340438

Abstract:

A vehicle carbon monoxide detection system 10 including internal 20 and external 40 carbon monoxide sensors operatively associated with the vehicle cab 150 and connected to a computer 60 that will selectively activate one of the sensors 20, 40 in response to the output of the vehicle speedometer 100. When the selected sensor 20, 40 detects excess carbon monoxide fumes relative to the vehicle cab 150, the computer will deactivate the vehicle ignition switch 110 stopping the vehicle motor 120 which is the source of the carbon monoxide fumes.