Abstract: A ride height control system includes a velocity monitor, corner ride height sensors, a processor receiving height inputs from the height sensors and velocity inputs from the velocity monitor. A cross-flow averager cooperates between the front airbags and is in communication with the processor. The cross-flow averager and the processor cooperate with the height sensors corresponding to the front corners, so as to provide a single pseudo height controller controlling, by selective actuation of the cross-flow averager, airflow between the corresponding front corners. The velocity monitor monitors forward velocity of the vehicle and provides velocity information to the processor. The processor causes the cross-flow averager to isolate the front airbags when the velocity is above a non-zero pre-set velocity and to allow a cross-flow of the airflow between the front airbags below the pre-set velocity. The pre-set velocity may be a range of velocities.

Abstract: A ride height control system includes a velocity monitor, corner ride height sensors, a processor receiving height inputs from the height sensors and velocity inputs from the velocity monitor. A cross-flow averager cooperates between the front airbags and is in communication with the processor. The cross-flow averager and the processor cooperate with the height sensors corresponding to the front corners, so as to provide a single pseudo height controller controlling, by selective actuation of the cross-flow averager, airflow between the corresponding front corners. The velocity monitor monitors forward velocity of the vehicle and provides velocity information to the processor. The processor causes the cross-flow averager to isolate the front airbags when the velocity is above a non-zero pre-set velocity and to allow a cross-flow of the airflow between the front airbags below the pre-set velocity. The pre-set velocity may be a range of velocities.

Abstract: A suspension system which upon detecting a fault such as a failed sensor, takes an inventory of the remaining operational components in the system and attempts to use the remaining operational components to keep the ride height and leveling system working. The system may open a cross-flow valve operating in fluid communication between the airbag in the corner containing a failed component such as a failed valve and the airbag in the corresponding opposite corner in that end of the vehicle to average the height data in that end of the vehicle and use the remaining operational valve in that end of the vehicle, while leaving independent or enabling the independence of the airbags in the corners of the opposite end of the vehicle so as to maintain a virtual three airbag suspension system.

Abstract: The suspension and level control system for vehicles includes, so as to independently control inflation and deflation of left and right front and rear air-springs, corresponding left and right front and rear pneumatic circuits in fluid communication with a pressurized air source. Each air-spring may have at least one air ride cushion reservoir mounted in a parallel pneumatic circuit in parallel fluid communication with the air-spring. Each pneumatic circuit includes a selectively actuable valve for selectively passing pressurized air from the air source into the corresponding parallel pneumatic circuit to selectively inflate the corresponding air-spring thereby raising a corresponding corner of the vehicle; and for selectively venting pressurized air from the corresponding parallel pneumatic circuit to selectively deflate the corresponding air-spring, thereby lowering a corresponding corner of the vehicle.

Abstract: The suspension and level control system for vehicles includes, so as to independently control inflation and deflation of left and right front and rear air-springs, corresponding left and right front and rear pneumatic circuits in fluid communication with a pressurized air source. Each air-spring may have at least one air ride cushion reservoir mounted in a parallel pneumatic circuit in parallel fluid communication with the air-spring. Each pneumatic circuit includes a selectively actuable valve for selectively passing pressurized air from the air source into the corresponding parallel pneumatic circuit to selectively inflate the corresponding air-spring thereby raising a corresponding corner of the vehicle; and for selectively venting pressurized air from the corresponding parallel pneumatic circuit to selectively deflate the corresponding air-spring, thereby lowering a corresponding corner of the vehicle.