Cab environment warning and control method and apparatus

Year	Description
2002	Invention patented by Robert D. Doescher, Alan G. Leupold, and Peter H. Kennedy on February 20th, 2002. Abstract: A method and apparatus for providing a cab pressure drop warning to an off-road machine operator and instructions for increasing the cab pressure and for providing incentive to correct the pressure drop, the method including comparing ambient and cab pressures and threshold pressure (i.e., the ambient plus a differential value), causing a vehicle operation disruption for at least a short period during which the operator may elect to remedy the cab pressure drop.
Source: selected by the editor from original sources.

Invention: Cab environment warning and control method and apparatus