Systems and apparatuses include a tag axle system including an axle assembly, a linkage coupling the axle assembly to a vehicle chassis, and a hydraulic cylinder coupled between the vehicle chassis and the axle assembly. The hydraulic cylinder actuates the axle assembly between a raised position and a lowered position, and acts as a spring damper suspension component.

A suspension system may include a pneumatic spring at each wheel of a vehicle. The suspension system may be configured to determine and achieve a pressure set point in each of the pneumatic springs and a target ride height at each wheel of the vehicle. The pressure set point may be determined based on a load at each of the wheels and the center of gravity of the vehicle, such that upon reaching the pressure set point at each in each of the pneumatic springs, a target load and target ride height may be achieved at each of the wheels of the vehicle. The system may also be used to level the ride height of the vehicle and/or achieve a desired orientation.

A military vehicle includes a passenger capsule, a driver seat, a passenger seat, and a belly deflector. The passenger capsule includes a roof, a floor, and sidewalls that define an interior. The sidewalls include mounting interfaces positioned along bottom edges thereof and extending directly therefrom past the floor. The driver seat and the passenger seat are disposed within the interior of the passenger capsule. The belly deflector is positioned beneath the floor. The belly deflector has lateral ends that are coupled to the mounting interfaces such that the lateral ends of the belly deflector are engaged with the passenger capsule. The belly deflector is spaced from the floor such that the floor is configured as a floating floor. The floor and the belly deflector provide two levels of underbody protection.

A military vehicle includes a passenger capsule, a driver seat, a passenger seat, and a belly deflector. The passenger capsule includes a roof, a floor, and sidewalls that define an interior. The sidewalls include mounting interfaces positioned along bottom edges thereof and extending directly therefrom past the floor. The driver seat and the passenger seat are disposed within the interior of the passenger capsule. The belly deflector is positioned beneath the floor. The belly deflector has lateral ends that are coupled to the mounting interfaces such that the lateral ends of the belly deflector are engaged with the passenger capsule. The belly deflector is spaced from the floor such that the floor is configured as a floating floor. The floor and the belly deflector provide two levels of underbody protection.

A military vehicle includes a passenger capsule having a front end and a rear end, a front module coupled to the front end of the passenger capsule, a rear module coupled to the rear end of the passenger capsule, a generator, and an export power kit. The front module includes a front subframe, a prime mover, a front axle assembly, and a front differential coupled to the front axle assembly. The rear module includes a rear subframe, a rear axle assembly, and a transaxle coupled to the rear axle assembly, the prime mover, and the front differential. The generator is configured to be driven by the prime mover to generate electricity. The export power kit is coupled to the generator and configured to facilitate exporting power off of the military vehicle.

A military vehicle includes a passenger capsule having a front end and a rear end, a front module coupled to the front end of the passenger capsule, a rear module coupled to the rear end of the passenger capsule, a generator, and an export power kit. The front module includes a front subframe, a prime mover, a front axle assembly, and a front differential coupled to the front axle assembly. The rear module includes a rear subframe, a rear axle assembly, and a transaxle coupled to the rear axle assembly, the prime mover, and the front differential. The generator is configured to be driven by the prime mover to generate electricity. The export power kit is coupled to the generator and configured to facilitate exporting power off of the military vehicle.

A compressor system for generating compressed air for a compressed air supply system in a vehicle. The compressor system includes a brushed direct current electric motor (BDC electric motor); a compressor configured to be driven by the BDC electric motor; and a control unit for controlling the BDC electric motor and allocated to the BDC electric motor so as to delimit an operating current of the electric motor. A free-running current path is allocated to the control unit, the free-running current path being configured to delimit the operating current of the electric motor in a variable manner. A switch controller is allocated to the control unit, the switch controller being configured to specify a switched-on time period (t_ON) and/or a switched-off time period (t_OFF) for the electric motor in a variable manner.

Disclosed herein are hydraulic actuators and methods for the operation of actuators having variable relative pressure ratios. Further disclosed are methods for designing and/or operating a hydraulic actuator such that the actuator exhibits a variable relative pressure ratio. In certain embodiments, the relative pressure ratio of the hydraulic actuator may be dependent on one or more characteristics (such as, for example, frequency or rate of change) of an oscillating input to the hydraulic actuator.

An embodiment composite material spring for a suspension device of a vehicle includes a leaf spring configured to be installed in a body of the vehicle and a wheel of the vehicle, a first fluid container installed at a left side of a center of the leaf spring and including a first magnetorheological fluid, and a second fluid container installed at a right side of the center of the leaf spring and including a second magnetorheological fluid.

An embodiment composite material spring for a suspension device of a vehicle includes a leaf spring configured to be installed in a body of the vehicle and a wheel of the vehicle, a first fluid container installed at a left side of a center of the leaf spring and including a first magnetorheological fluid, and a second fluid container installed at a right side of the center of the leaf spring and including a second magnetorheological fluid.