Patent ID: 7690734
Filing Date: 2010-04-06
Classification: B60T,B62D

Abstract:
1. An apparatus for brake steering a tracked vehicle, said apparatus comprising: a controller; a circuit selector actuator operatively connected to the controller; a valve in fluid communication with the circuit selector actuator, said valve being configured to select a predefined operational mode; a plurality of brake apply actuators operatively connected to the controller; a left brake operatively connected with a left track, said left brake in fluid communication with one of said plurality of brake apply actuators; and a right brake operatively connected with a right track, said right brake in fluid communication with another of said plurality of brake apply actuators; wherein at least one of the plurality of brake apply actuators is configured to selectively apply the left and right brakes during normal operation of the tracked vehicle; and wherein said controller is configured to control said plurality of brake apply actuators to independently apply said left brake and said right brake such that the tracked vehicle can be turned in a desired manner.