Abstract: An electrified fire fighting vehicle includes a battery pack, an electromagnetic device, an engine, and a controller. The controller is configured to monitor a state-of-charge of the battery pack, operate the electromagnetic device using stored energy in the battery pack to provide a performance condition including (i) accelerating the electrified fire fighting vehicle to a driving speed of at least 50 miles-per-hour in an acceleration time and (ii) maintaining or exceeding the driving speed for a period of time, and start and operate the engine in response to a start condition to facilitate reserving sufficient stored energy in the battery pack such that the state-of-charge is maintained above a minimum state-of-charge threshold that is sufficient to facilitate the performance condition. The acceleration time is 30 second or less. An aggregate of the acceleration time and the period of time is at least 3 minutes.

Abstract: A vehicle includes an energy storage system, a battery cooling system, and a thermal event management system. The energy storage system includes a battery arranged within a battery housing. The battery cooling system includes a first conduit positioned internal to the battery housing and adjacent the battery. The first conduit is configured to facilitate circulating a first fluid through the battery housing to thermally regulate the battery. The thermal event management system includes a second conduit with a fluid diverter positioned therealong. The second conduit is positioned adjacent to at least one of the battery or the battery housing. The second conduit is configured to receive a second fluid. The fluid diverter is configured to facilitate selectively providing fluid communication between the second conduit and the battery housing so that the second fluid flows out of the second conduit and at least one of into or around the battery housing.

Abstract: A battery flooding system includes a flood port and an elongated connector. The flood port is configured to be fluidly coupled to a battery housing of an electrified vehicle. The elongated connector is configured to interface with the flood port to facilitate providing a fluid to the flood port from a fluid source such that the fluid is provided within the battery housing.

Abstract: An electrified fire fighting vehicle includes an energy storage system, a water tank configured to store water, a pump fluidly coupled to the water tank, a motor electrically coupled to the energy storage system and mechanically coupled to the pump, and a control system. The control system is configured to detect an onset of a thermal event in the energy storage system, control the motor to drive the pump such that the water can be recirculated out of and back into the water tank to facilitate draining a state of charge of the energy storage system, and provide a notification to electrically couple the energy storage system to an external load to facilitate draining the state of charge of the energy storage system.

Abstract: An electrified vehicle includes an energy storage system including a battery disposed within a battery housing and a control system. The control system is configured to detect an onset of a battery thermal event during a charging session of the energy storage system with an external power supply, in response to the onset of the battery thermal event being detected, perform a first action, and in response to the battery thermal event continuing to progress following the first action, perform a second action.

Abstract: An electrified vehicle includes a chassis, a body coupled to the chassis, a battery enclosure supported by the chassis and defining an internal volume, a battery disposed within the internal volume, and a flood port accessible from an exterior of the electrified vehicle. The flood port is in direct or indirect fluid communication with the internal volume. The flood port is configured to receive a fluid from a fluid source and supply the fluid to the internal volume to cool the battery.

Abstract: An electrified vehicle includes a chassis, an energy storage system supported by the chassis, and a battery cooling system. The energy storage system includes a battery positioned within a battery housing. The battery cooling system includes a conduit positioned adjacent at least one of the battery or the battery housing and a fluid diverter positioned along the conduit. The fluid diverter is configured to facilitate selectively providing fluid communication between the conduit and the battery housing so that a fluid flowing through the conduit flows out of the conduit and at least one of into or around the battery housing.

Abstract: An electrified fire fighting vehicle includes a chassis, a cab coupled to the chassis, a body coupled to the chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, a water tank supported by the chassis, an energy storage system coupled to the chassis, a water pump supported by the chassis, and an electromagnetic device electrically coupled to the energy storage system. The electromagnetic device is coupled to the water pump and at least one of the front axle or the rear axle. The electromagnetic device is configured to receive stored energy from the energy storage system and provide a mechanical output to selectively drive the water pump and the at least one of the front axle or the rear axle.

Abstract: An electrified fire fighting vehicle includes a chassis, a cab coupled to the chassis, a body coupled to the chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, a water tank supported by the chassis, an energy storage system coupled to the chassis and positioned rearward of the cab, a water pump supported by the chassis, and an electromagnetic device electrically coupled to the energy storage system. The electromagnetic device is coupled to the water pump and at least one of the front axle or the rear axle. The electromagnetic device is configured to receive stored energy from the energy storage system and provide a mechanical output to selectively drive the water pump and the at least one of the front axle or the rear axle.

Abstract: A fire fighting vehicle includes a chassis, a front axle, a rear axle, an engine, a battery system, an electromagnetic device, an accessory drive, and a controller. The accessory drive is positioned to receive a mechanical input from the engine and the electromagnetic device. The controller is configured to selectively engage a plurality of operational modes including a standby mode and a hybrid mode. According to the standby mode, the controller is configured to operate the electromagnetic device using stored energy stored in the battery system to drive the accessory drive with the engine off. According to the hybrid mode, the controller is configured to operate both the engine and the electromagnetic device.

Abstract: A fire fighting vehicle includes a chassis, a front axle, a rear axle, a powertrain, an accessory drive, and a controller. The powertrain includes an engine, a battery system, and an electromechanical transmission coupled to the battery system, the engine, and at least one of the front axle or the rear axle. The accessory drive is positioned to receive a mechanical input from the engine and the electromechanical transmission. The controller is configured to selectively operate the powertrain in a plurality of operational modes including a standby mode and a hybrid mode. According to the standby mode, the controller is configured to operate the electromechanical transmission using stored energy stored in the battery system to drive the accessory drive with the engine off. According to the hybrid mode, the controller is configured to operate both the engine and the electromechanical transmission.

Abstract: An electrified fire fighting vehicle includes a battery pack, an electromagnetic device, an engine, and a controller. The controller is configured to monitor a state-of-charge of the battery pack, operate the electromagnetic device using stored energy in the battery pack to provide a performance condition including (i) accelerating the electrified fire fighting vehicle to a driving speed of at least 50 miles-per-hour in an acceleration time and (ii) maintaining or exceeding the driving speed for a period of time, and start and operate the engine in response to a start condition to facilitate reserving sufficient stored energy in the battery pack such that the state-of-charge is maintained above a minimum state-of-charge threshold that is sufficient to facilitate the performance condition. The acceleration time is 30 second or less. An aggregate of the acceleration time and the period of time is at least 3 minutes.

Abstract: An electrified fire fighting vehicle includes a chassis, a cab coupled to the chassis, a body coupled to the chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, a water tank supported by the chassis, an energy storage system coupled to the chassis and positioned rearward of the cab, a water pump supported by the chassis, and an electromagnetic device electrically coupled to the energy storage system. The electromagnetic device is coupled to the water pump and at least one of the front axle or the rear axle. The electromagnetic device is configured to receive stored energy from the energy storage system and provide a mechanical output to selectively drive the water pump and the at least one of the front axle or the rear axle.

Abstract: A fluid distribution system includes a first flow meter configured to be positioned along an agent line, a metering valve configured to be positioned downstream of the first flow meter, a second flow meter configured to be positioned downstream of the first flow meter and an eductor, and a controller configured to selectively operate the fluid distribution system in a testing mode where the controller is configured to acquire a first flow rate of a fluid flowing through the first flow meter and a second flow rate of the fluid flowing through the second flow meter, determine a performance characteristic based on the first flow rate and the second flow rate, and modulate a current setting of the metering valve from a first setting to a second setting and conduct the testing mode sequence again at the second setting to verify the fluid distribution system is performing properly.

Abstract: A fire fighting vehicle includes a powertrain including an engine, a battery pack, and an electromechanical transmission; a power divider; and a controller. The power divider is positioned between the engine, the pump, and the electromechanical transmission. The controller is configured to monitor a state-of-charge of the battery pack and operate the engine, the power divider, and the electromechanical transmission such that the state-of-charge is maintained above a minimum state-of-charge threshold that is sufficient to facilitate (i) accelerating the fire fighting vehicle to a driving speed of at least 50 miles-per-hour in an acceleration time and (ii) maintaining or exceeding the driving speed for a period of time. An aggregate of the acceleration time and the period of time is at least three minutes.

Abstract: A fire-fighting vehicle includes a boom assembly movably coupled to a chassis, a penetrating nozzle coupled to the boom assembly, an actuator that moves the penetrating nozzle relative to the chassis, and a controller operatively coupled to a sensor. The penetrating nozzle includes a piercing tip and an outlet configured to be selectively fluidly coupled to a supply of fire suppressant. The piercing tip is repositionable relative to a surface of an object having an interior cavity. The outlet supplies fire suppressant into the interior cavity when the piercing tip is within the interior cavity. The sensor provides data relating to at least one of a position and an orientation of the piercing tip relative to the surface. The controller determines an angular orientation of the piercing tip relative to the surface based on the data.

Abstract: A fluid distribution system includes a water line configured to receive water from a water source, an agent line configured to receive agent from an agent source, a flush line configured to receive the water from the water source and connecting to the agent line at a junction, a flush valve positioned to selectively prevent the water from flowing along the flush line, an agent valve positioned to selectively prevent the agent from flowing along the agent line, a first flow meter positioned along the agent line downstream of the junction, a second flow meter positioned downstream of the first flow meter, an eductor coupled to the agent line and the water line downstream of the first flow meter and upstream of the second flow meter, a metering valve positioned downstream of the first flow meter and upstream of the eductor, and a controller.

Abstract: A fire fighting vehicle includes a chassis, tractive elements coupled to the chassis, a pump coupled to the chassis, a discharge fluidly coupled to the pump, an accessory module coupled to the chassis, and an electric motor coupled to the chassis, the pump, and the accessory module. The accessory module is configured to receive a mechanical energy input and provide at least one of electrical energy or fluid energy. The electric motor is configured to provide mechanical energy to drive (a) the pump to provide fluid to the discharge such that the fluid is expelled from the discharge and (b) the accessory module to provide the at least one of electrical energy or fluid energy.

Abstract: A fire fighting vehicle includes a chassis, tractive elements coupled to the chassis, a pump coupled to the chassis, a discharge fluidly coupled to the pump, an accessory module coupled to the chassis, and an electric motor coupled to the chassis, the pump, and the accessory module. The accessory module is configured to receive mechanical energy and provide at least one of electrical energy or fluid energy. The electric motor is configured to drive (a) the pump to provide fluid to the discharge such that the fluid is expelled from the discharge and (b) the accessory module to provide the at least one of electrical energy or fluid energy.

Abstract: A fire fighting vehicle includes a chassis, a front axle, a rear axle, a powertrain, an accessory drive, and a controller. The powertrain includes an engine, a battery system, and an electromechanical transmission coupled to the battery system, the engine, and at least one of the front axle or the rear axle. The accessory drive is positioned to receive a mechanical input from the engine and the electromechanical transmission. The controller is configured to selectively operate the powertrain in a plurality of operational modes including a standby mode and a hybrid mode. According to the standby mode, the controller is configured to operate the electromechanical transmission using stored energy stored in the battery system to drive the accessory drive with the engine off. According to the hybrid mode, the controller is configured to operate both the engine and the electromechanical transmission.