Abstract: A military vehicle includes a chassis, a front axle, a rear axle, an energy storage system, an engine, a transmission, and a motor. The chassis includes a passenger capsule, a front module coupled to a front end of the passenger capsule, and a rear module coupled to a rear end of the passenger capsule. The passenger capsule defines a tunnel extending longitudinally along a bottom thereof. The front module includes a front subframe assembly. The rear module includes a rear subframe assembly. The front axle is coupled to the front subframe assembly. The rear axle is coupled to the rear subframe assembly. The engine is supported by the front subframe assembly. The transmission is positioned within the tunnel and coupled to the front axle and/or the rear axle. The motor is at least partially positioned within the tunnel and positioned between the engine and the transmission.

Abstract: A front end accessory drive (FEAD) for a military vehicle. The FEAD includes a first belt, a second belt, multiple accessories, an electric motor-generator, at least one other accessory, and a sprag clutch. The accessories and the electric motor-generator are coupled with the first belt. The at least one other accessory, the first belt, and the second belt are coupled with the sprag clutch. The second belt is configured to couple with an output shaft of an engine of the military vehicle and be driven by the output shaft of the engine to drive the sprag clutch. The sprag clutch is thereby configured to drive the at least one other accessory and the first belt, and the first belt is thereby configured to drive the plurality of accessories, and the electric motor-generator.

Abstract: A driveline including a motor/generator configured to receive power from an engine and output power to a tractive element, an accessory drive configured to receive power from the engine and output power to an accessory, and an energy storage system including a battery, the energy storage system electrically coupled to the motor/generator and the accessory drive. The driveline is operable in a charge mode with the motor/generator and the accessory drive providing electrical power to the energy storage system. The driveline is operable in a silent mobility mode with the energy storage system providing electrical power to the motor/generator and the accessory drive to operate the military vehicle.

Abstract: An energy storage system for a military vehicle includes a lower support, a battery supported on the lower support, a bracket coupled to the battery, and an upper isolator mount coupled between the bracket and a wall. The upper isolator mount is configured to provide front-to-back vibration isolation of the battery relative to the wall.

Abstract: A military vehicle includes an engine, an energy storage system, an accessory drive coupled to the engine and including an air compressor and a first motor, a second motor coupled to an axle, and a clutch positioned between the engine and the second motor. The clutch is spring-biased into engagement with the engine and pneumatically disengaged by an air supply selectively provided thereto based on operation of the air compressor. In an engine mode, (i) the clutch does not receive the air supply such that the engine is coupled to the second motor and (ii) the engine drives (a) the accessory drive and (b) the axle through the second motor. In the electric mode, (i) the first motor drives the air compressor to compress air to facilitate supplying the air supply to the clutch to disengage the clutch and decouple the engine from the second motor and (ii) the second motor drives the axle.

Abstract: A vehicle includes a passenger capsule having a first end and a second end, a front module coupled to the first end of the passenger capsule and including a front axle assembly, a rear module coupled to the second end of the passenger capsule and including a rear axle assembly, and a braking system. The braking system includes a pump, an actuator including a rod that extends through a brake housing to apply a biasing force to a brake and inhibit movement of the vehicle, and a line coupling the pump to the actuator. Engagement of the pump provides a pressurized fluid flow through the line that overcomes the biasing force and releases the brake.

Abstract: A military vehicle includes a chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, and a suspension system. The suspension system include a front suspension assembly and a rear suspension assembly. The front suspension assembly is positioned between the chassis and the front axle. The rear suspension assembly is positioned between the chassis and the rear axle. Each of the front suspension assembly and the rear suspension assembly includes a first spring, a second spring, a first hydraulic damper, and a second hydraulic damper. The first hydraulic damper and the second hydraulic damper of at least one of the front suspension assembly or the rear suspension assembly are cross-plumbed to provide a hydraulic body roll control function and eliminate the need for an anti-roll bar.

Abstract: A vehicle is operable in three modes of operation. The vehicle includes a first electromagnetic device, a second electromagnetic device electrically coupled to the first electromagnetic device, and an engine coupled to the first electromagnetic device and configured to drive the first electromagnetic device to provide electrical energy. In each of the three modes of operation, whenever the engine drives the first electromagnetic device to provide the electrical energy, the first electromagnetic device operates without providing the electrical energy to an energy storage device.

Abstract: A vehicle includes a sprung mass including a cabin coupled to a chassis, tractive assemblies each including at least one tractive element, springs coupling the tractive elements to the sprung mass, each spring imparting an upward force on the sprung mass, load sensors each configured to provide a signal indicative of the force imparted by one of the springs, and a controller operatively coupled to the load sensors. The controller is configured to determine a weight of the sprung mass using the signals from the load sensors and monitor at least one operational condition of the vehicle. The controller is configured to determine whether or not to disable determination of the weight based on the at least one operational condition.

Abstract: A vehicle includes a frame, a series of tractive assemblies coupled to the frame, a cabin, and a mount. The mount includes a boss coupled to the cabin, a first bracket pivotably coupled to the boss, a second bracket coupled to the frame, and a first isolator and a second isolator extending between the first bracket and the second bracket and coupling the first bracket to the second bracket.

Abstract: A military vehicle including a chassis, an engine, a motor/generator, and an energy storage system. The chassis including a passenger capsule including a rear wall, and a rear module coupled to the passenger capsule. The rear module including a rear subframe assembly, a left rear wheel well, a right rear wheel well, and a bed. The engine coupled to the chassis for providing mechanical power to the military vehicle and the motor/generator coupled to the engine. The energy storage system including a lower support coupled to the bed, a lower isolator mount coupled to the lower support, a battery electrically coupled to the motor/generator and coupled to the isolation mounts such that the weight of the battery is supported via the lower isolator mount and the lower support, a bracket coupled to the battery, and an upper isolator mount coupling the bracket to the rear wall of the passenger capsule.

Abstract: A military vehicle includes a chassis, a front axle, a rear axle, an energy storage system, a first driver, a transmission, and a second driver. The chassis includes a passenger capsule, a front module coupled to the passenger capsule, and a rear module coupled to the passenger capsule. The passenger capsule defines a tunnel extending longitudinally along a bottom thereof. The front axle is coupled to the front module. The rear axle is coupled to the rear module. The first driver is supported by the front module. The transmission is positioned within the tunnel and coupled to the front axle and/or the rear axle. The second driver is at least partially positioned within the tunnel and positioned between the first driver and the transmission. The second driver includes a motor/generator coupled to the transmission and a clutch positioned to selectively couple the first driver to the motor/generator.

Abstract: A military vehicle includes a chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, and a driveline. The driveline includes a first driver including an engine, an energy storage system, an accessory drive coupled to the engine, a transmission coupled to at least one of the front axle or the rear axle, and a second driver coupled to the engine and the transmission. The accessory drive includes a plurality of accessories and a first motor. The first motor is electrically coupled to the energy storage system. The second driver includes a second motor electrically coupled to the energy storage system.

Abstract: A military vehicle includes a chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, and a driveline. The driveline includes an engine, an energy storage system, a front end accessory drive positioned in front of and coupled to the engine, a transmission coupled to at least one of the front axle or the rear axle, a second motor coupled to the transmission and electrically coupled to the energy storage system, and a clutch positioned between the engine and the second motor. The front end accessory drive includes an air compressor and a first motor. The first motor is electrically coupled to the energy storage system. The clutch is spring-biased into engagement with the engine and pneumatically disengaged by an air supply selectively provided thereto based on operation of the air compressor. The driveline is operable in an engine-only mode and an electric-only mode.

Abstract: A vehicle including a frame, a cabin, and a blast mat. The cabin is coupled to the frame and includes a seat and a series of walls. The blast mat has a bottom surface engaging at least one of the walls. The blast mat includes a first portion configured to support a first portion of an occupant seated in the seat and a second portion configured to support a second portion of the occupant. The first portion of the occupant and the second portion of the occupant have different resistances to blast energy. The second portion of the blast mat has a greater thickness than the first portion of the blast mat.

Abstract: A valve assembly includes a valve body defining an inner volume, a flow controller positioned within the inner volume, a plug positioned within the inner volume, and a biasing element. The plug is spaced from the flow controller such that an intermediate chamber is defined between the plug and the flow controller. The biasing element is positioned in the intermediate chamber between the plug and the flow controller. The plug is repositionable within the inner volume. As the plug moves within the inner volume, the plug interacts with the biasing element such that the biasing element provides a biasing force to the flow controller.

Abstract: A vehicle includes a chassis, a cab coupled to the chassis, a prime mover coupled to the chassis and positioned at least one of beneath or behind the cab, and an accessory drive. The accessory drive includes an accessory and connecting shaft. The accessory is positioned forward of a front of the cab such that the accessory is spaced from the prime mover. The connecting shaft extends from the prime mover, past the front of the cab, and to the accessory. The connecting shaft is positioned to facilitate driving the accessory with the prime mover.

Abstract: A driveline for a military vehicle includes a driver. The driver includes a housing, a motor/generator, and a clutch. The housing includes an engine mount configured to couple to an engine and a backing plate configured to couple to a transmission. The motor/generator is disposed within the housing and configured to couple to an input of the transmission. The clutch is disposed within the housing and coupled to the motor/generator. The clutch is configured to selectively couple an output of the engine to the motor/generator. The clutch is spring-biased into engagement with the engine and pneumatically disengaged by an air supply selectively provided thereto.