Abstract: A concrete mixer truck includes a chassis, a plurality of tractive assemblies coupled to the chassis, a mixing drum rotatably coupled to the chassis, the mixing drum defining an internal volume configured to contain material and an aperture through which the material can enter and exit the internal volume, an energy storage device positioned at a rear end of the chassis and configured to provide electrical energy, and an electromagnetic device electrically coupled to the energy storage device, where the electromagnetic device is configured to receive the electrical energy from the energy storage device and provide mechanical energy to drive at least one of the plurality of tractive assemblies to propel the concrete mixer truck.

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 refuse vehicle includes a chassis, a body, and a plurality of battery cells. The chassis includes a right frame member and a left frame member spaced apart in a lateral direction and extending lengthwise in a longitudinal direction. The body is coupled to the chassis. The plurality of battery cells are longitudinally disposed along the chassis, positioned between the right frame member and the left frame member.

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 concrete mixer vehicle includes a chassis, a tractive assembly coupled to the chassis and configured to propel the concrete mixer vehicle, a mixing drum rotatably coupled to the chassis, and an electromagnetic device configured to convert electrical energy to mechanical energy to drive the tractive assembly. In a first configuration, a first battery module is removably coupled to the chassis and configured to provide the electrical energy to the electromagnetic device, and in a second configuration, the first battery module is removed from the chassis and replaced with a second battery module, the second battery module removably coupled to the chassis and configured to provide the electrical energy to the electromagnetic device.

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.

Abstract: A method of operating a first electric machine and a second electric machine in a vehicle drive includes operating the vehicle drive in a first operating mode by operating the first electric machine to regulate electrical power at a bus to maintain a first voltage on the bus and operating the second electric machine to consume electrical power from the bus. The method includes operating the vehicle drive in a second operating mode by operating the first electric machine to consume electrical power from the bus and operating the second electric machine to regulate electrical power at the bus to maintain a second voltage on the bus. A sum of the electrical power regulated by the first electric machine, the electrical power losses, and the electrical power consumed by the second electric machine is zero in the first operating mode and in the second operating mode.

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.

Abstract: A driveline including a motor/generator configured to receive power from an engine and output power to at least one of a tractive element or an accessory, an energy storage system including a battery configured to be supported by a rear module of a vehicle, the energy storage system electrically coupled to the motor/generator to selectively receive electrical power from the motor/generator and provide electrical power to the motor/generator, wherein the driveline is operable in a silent mobility mode with the energy storage system providing power to the motor/generator to operate the vehicle.

Abstract: A driveline for a military vehicle includes an engine, an energy storage system, an accessory drive coupled to the engine, a transmission configured to couple to at least one of a front axle or a rear axle of the military vehicle, 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 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 a plurality of modes including an engine-only mode and an electric-only mode.

Abstract: A military vehicle including a chassis, an engine, a motor/generator, and an energy storage system. The chassis including a passenger capsule and a rear module coupled to the passenger capsule. The passenger capsule includes a rear subframe assembly, a left rear wheel well, a right rear wheel well, and a bed. The engine is coupled to the chassis for providing mechanical power to the military vehicle and the motor/generator is coupled to the engine. The energy storage system including a battery coupled to the rear module between the left rear wheel well and the right rear wheel well, the energy storage system electrically coupled to the chassis and electrically coupled to the motor/generator. The military vehicle is operable in a silent mobility mode with the engine inactive and the energy storage system providing power to the motor/generator to operate the military vehicle.

Abstract: A refuse vehicle includes a chassis, an energy storage device, a body, a first electric power take-off system, and a second electric power take-off system. The energy storage device is supported by the chassis and is configured to provide electrical power to a prime mover. Activation of the prime mover selectively drives the refuse vehicle. The body is supported by the chassis. The first electric power take-off system is coupled to at least one of the body and the chassis, and includes a first motor that is configured to drive a first hydraulic pump to convert electrical power received from the energy storage device into hydraulic power. The second electric power take-off system is coupled to at least one of the body and the chassis, and includes a second motor that is configured to drive a second hydraulic pump to convert electrical power received from the energy storage device into hydraulic power.

Abstract: A drive train for a vehicle includes a first electromagnetic device, a second electromagnetic device electrically coupled to the first electromagnetic device by an electrical power transmission system, and an engine coupled to the first electromagnetic device and configured to drive the first electromagnetic device to provide electrical energy. In all modes of operation where 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 refuse vehicle includes a chassis, a refuse container coupled to the chassis, a tractive assembly coupled to the chassis and configured to propel the refuse vehicle, and an electric energy system configured to provide electrical energy to drive the tractive assembly. In a first configuration, a first energy system is removably coupled to the chassis and configured to provide the electrical energy to the electric energy system and in a second configuration, the first energy system is removed from the chassis and replaced with a second energy system, the second energy system removably coupled to the chassis and configured to provide the electrical energy to the electric energy system.

Abstract: A refuse vehicle includes a chassis, an energy storage device, a body, and an electric power take-off system. The energy storage device (e.g., a battery) is supported by the chassis and is configured to provide electrical power to a prime mover. Activation of the prime mover selectively drives the refuse vehicle. The body is configured for storing refuse, and is supported by the chassis. The electric power take-off system is positioned on the body and includes an inverter, an electric motor, and a hydraulic pump that is drive by the electric motor. The inverter receives electrical power from the energy storage device and supplies electrical power to the electric motor. The electric motor drives the hydraulic pump to convert the electrical power into hydraulic power.

Abstract: A refuse vehicle includes a battery configured to provide electrical energy to drive at least one of a plurality of wheels, a vehicle body supported by the chassis and defining a receptacle for storing refuse therein, and an electric power take-off system including a motor configured to power to a hydraulic system in response to receiving the electrical energy from the battery, an inverter configured to provide the electrical energy to the motor from the battery, a sensor configured to detect thermal energy within the inverter, and a controller configured to receive data from the sensor, wherein the controller is further configured to determine if the data from the sensor is greater than a critical operating condition and reduce a rate of electrical energy supplied to the motor in response to determining that the data from the sensor is greater than the critical operating condition.

Abstract: An electric power take-off system includes a motor configured to convert electrical power received from a battery into hydraulic power, an inverter configured to provide electrical power to the motor from the battery, a heat dissipation device in thermal communication with the inverter, wherein the heat dissipation device includes a thermal fluid pump configured to pump cooling fluid through a plurality of conduits, a flow meter configured determine a flow rate through the plurality of conduits, and a controller configured to receive data from the flow meter and provide operating parameters to the heat dissipation device, wherein the controller is further configured to determine if the data from the flow meter is less than a critical operating condition and decrease the hydraulic power provided by the electric power take-off system in response to determining that the data from the flow meter is less than the critical operating condition.

Abstract: A refuse vehicle includes a chassis, an energy storage device, a vehicle body, an electric power take-off system, and a hydraulic component. The energy storage device is supported by the chassis and is configured to provide electrical power to a prime mover. Activation of the prime mover selectively drives the refuse vehicle. The vehicle body is supported by the chassis, and includes an on-board receptacle for storing refuse therein. The electric power take-off system is positioned on the vehicle body, and includes an electric motor configured to drive a hydraulic pump to convert electrical power received from the energy storage device into hydraulic power. An amount of electrical power at least one of received by and provided to the electric motor is limited by a controller to control an output characteristic of the hydraulic pump. The hydraulic component is in fluid communication with the hydraulic pump and configured to operate using hydraulic power from the electric power take-off system.