Internal-combustion engines – Engine speed regulator – Responsive to deceleration mode
Reexamination Certificate
2011-04-19
2011-04-19
Vo, Hieu T (Department: 3747)
Internal-combustion engines
Engine speed regulator
Responsive to deceleration mode
Reexamination Certificate
active
07926464
ABSTRACT:
A system to prevent engine stalls for a machine having a power source is disclosed. The power source is in communication with a controller, which is configured to determine the temperature of the power source and compare the temperature of the power source to a predetermined threshold temperature. The controller is configured to disable power source braking if the temperature of the power source is less than the threshold temperature. The controller is further configured to determine the power source speed and the travel speed of the machine, and disable power source braking if the power source speed and machine travel speed are less than predetermined thresholds.
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Bracht Gary Dean
Garman Brian Kenneth
Schaub Chris James
Wiley Stephen Michael
Caterpillar Inc.
Finnegan Henderson Farabow Garrett & Dunner LLP
Vo Hieu T
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