Patent ID: 6537177
Filing Date: 2003-03-25
Classification: F16H,Y10T

Abstract:
A method to prevent overspeed of an engine of a work machine having a ground-engaging device and a transmission connecting the ground-engaging device to the engine, the method comprising:producing an operator transmission command signal responsive to at least one of an operator transmission command and an automatic transmission command; producing a ground speed signal responsive to a ground speed of the work machine; producing a transmission output speed signal responsive to an output speed of the transmission; producing a brake status signal; producing an engine speed signal responsive to an operating speed of the engine; receiving the operator transmission command signal, the ground speed signal, the transmission output speed signal, the brake status signal, and the engine speed signal; and producing a transmission control signal responsive to the transmission output speed signal and at least one of the operator transmission command signal, the ground speed signal, the brake status signal, and the engine speed signal.