Abstract: A system comprises a powertrain including an engine configured to output torque to a driveline, and an electronic control system operatively coupled with the powertrain. The electronic control system is configured to determine an engine torque value, and control a component of the driveline in response to the engine torque value. The engine torque value may account for an effect of air-fuel ratio (AFR) on engine torque.

Abstract: A vehicle system includes an engine, a transmission including a torque converter, a clutch configured to selectably couple and decouple the torque converter, and a gearset, a selective catalytic reduction (SCR) exhaust aftertreatment system. An electronic control system may be operatively coupled with the engine, the electronically controllable clutch, and the SCR exhaust aftertreatment system. The electronic control system is configured to evaluate whether an SCR catalyst temperature satisfies at least one minimum temperature criterion, in response to the SCR catalyst temperature satisfying the minimum temperature criterion, permit a neutral at stop operation wherein the electronically controllable clutch is controlled to selectably decouple the torque converter and the one or more gears at least in part in response to the vehicle system being in a stopped state, and in response to the SCR catalyst temperature not satisfying the minimum temperature criterion, prevent the neutral at stop operation.

Abstract: A system, method and apparatus are disclosed for a clutch assembly for an automated manual transmission. The clutch assembly includes a dual power path. One power path connects a prime mover to the automated manual transmission via a wet clutch, and a second power path connects one of the prime mover and the automated manual transmission to a grounded connection for synchronizing the speed thereof for a gear change.

Abstract: A coolant diverter system and method of controlling coolant flow are provided. The coolant diverter system includes a coolant diverter body having a coolant inlet opening, a driveline retarder outlet opening and a bypass outlet opening. The coolant diverter system also includes a valve positioned in the coolant diverter body. The valve is configured in a first valve orientation to fluidly couple the coolant inlet opening to the driveline retarder outlet opening in isolation from the bypass outlet opening. The valve is configured in a second valve orientation to fluidly couple the coolant inlet opening to the driveline retarder outlet opening and the bypass outlet opening. The coolant diverter system also includes a valve controller configured to place the valve in the first valve orientation in response to activation of a driveline retarder coupled to the driveline retarder outlet opening for braking.

Abstract: Systems and apparatuses include method of controlling a fan to supplement engine braking, including determining that an engagement condition for the fan exists, interpreting an operating parameter of the fan, determining a modified operating parameter for the fan based on a predefined limit, operating the fan according to the modified operating parameter, and ceasing operation of the fan according to the modified operating parameter when a disengagement condition for the fan exists.

Abstract: A vehicle system includes an engine, a transmission including a torque converter, a clutch configured to selectably couple and decouple the torque converter, and a gearset, a selective catalytic reduction (SCR) exhaust aftertreatment system. An electronic control system may be operatively coupled with the engine, the electronically controllable clutch, and the SCR exhaust aftertreatment system. The electronic control system is configured to evaluate whether an SCR catalyst temperature satisfies at least one minimum temperature criterion, in response to the SCR catalyst temperature satisfying the minimum temperature criterion, permit a neutral at stop operation wherein the electronically controllable clutch is controlled to selectably decouple the torque converter and the one or more gears at least in part in response to the vehicle system being in a stopped state, and in response to the SCR catalyst temperature not satisfying the minimum temperature criterion, prevent the neutral at stop operation.

Abstract: A retention member is configured to be supported within a cylinder head of an engine and includes a body portion and a plurality of arms. The body portion has an opening configured to receive a fuel injector of the engine. Additionally, the plurality of arms extends from the body portion and is configured to be positioned over a portion of a cross-head of the engine. The plurality of arms is spaced apart from the cross-head during routine operation of the engine.

Abstract: System, apparatus, and methods are disclosed for improving vehicle acceleration performance. One or more devices of the internal combustion engine system are controlled in response to a torque transition event indicator and/or one or more vehicle acceleration event indicators indicating a vehicle acceleration event is imminent to improve vehicle response during acceleration.

Abstract: A retention member is configured to be supported within a cylinder head of an engine and includes a body portion and a plurality of arms. The body portion has an opening configured to receive a fuel injector of the engine. Additionally, the plurality of arms extends from the body portion and is configured to be positioned over a portion of a cross-head of the engine. The plurality of arms is spaced apart from the cross-head during routine operation of the engine.

Abstract: Systems and apparatuses include method of controlling a fan to supplement engine braking, including determining that an engagement condition for the fan exists, interpreting an operating parameter of the fan, determining a modified operating parameter for the fan based on a predefined limit, operating the fan according to the modified operating parameter, and ceasing operation of the fan according to the modified operating parameter when a disengagement condition for the fan exists.

Abstract: Apparatuses, methods and systems comprising vehicle gear shifting controls are disclosed. One embodiment is a method comprising operating a vehicle system comprising an engine structured to output torque, a transmission structured to receive torque from the engine and output torque to one or more ground contacting wheels, and an electronic control system in operative communication with the engine and the transmission. The electronic control system is structured to estimate an engine load parameter using one or more dynamically determined vehicle operating parameters, set an engine load threshold using the engine load parameter, evaluate a current engine load relative to the engine load threshold, and selectably perform an operation to control or influence a shifting event in response to the evaluation.

Abstract: Apparatuses, methods and systems comprising vehicle gear shifting controls are disclosed. One embodiment is a method comprising operating a vehicle system comprising an engine structured to output torque, a transmission structured to receive torque from the engine and output torque to one or more ground contacting wheels, and an electronic control system in operative communication with the engine and the transmission. The electronic control system is structured to estimate an engine load parameter using one or more dynamically determined vehicle operating parameters, set an engine load threshold using the engine load parameter, evaluate a current engine load relative to the engine load threshold, and selectably perform an operation to control or influence a shifting event in response to the evaluation.

Abstract: A coolant diverter system and method of controlling coolant flow are provided. The coolant diverter system includes a coolant diverter body having a coolant inlet opening, a driveline retarder outlet opening and a bypass outlet opening. The coolant diverter system also includes a valve positioned in the coolant diverter body. The valve is configured in a first valve orientation to fluidly couple the coolant inlet opening to the driveline retarder outlet opening in isolation from the bypass outlet opening. The valve is configured in a second valve orientation to fluidly couple the coolant inlet opening to the driveline retarder outlet opening and the bypass outlet opening. The coolant diverter system also includes a valve controller configured to place the valve in the first valve orientation in response to activation of a driveline retarder coupled to the driveline retarder outlet opening for braking.

Abstract: A thermostat housing is disclosed. The thermostat housing comprises a housing member. The housing member includes an inlet and an outlet to allow coolant to flow therethrough. The thermostat housing also includes least two thermostats within the housing member. The at least two thermostats have staggered opening temperatures. One of the at least two thermostats opens and controls a flow rate of coolant through the housing when the coolant is within a first predetermined temperature range. A single loop of coolant is being controlled within the housing member.

Abstract: A method for driveline impact reverberation reduction including operating an engine coupled to a transmission; regulating operation of the engine with a controller to adjust fueling of the engine which includes providing a signal to the controller representative of a requested engine torque; determining a first fueling rate as a function of the signal and a set of preselected operating instructions; adjusting a set of engine operating parameters according to the first fueling rate; determining a second fueling rate as a function of the first fueling rate; and adjusting a set of engine operating conditions according to the second fueling rate.

Abstract: A thermostat housing is disclosed. The thermostat housing comprises a housing member. The housing member includes an inlet and an outlet to allow coolant to flow therethrough. The thermostat housing also includes least two thermostats within the housing member. The at least two thermostats have staggered opening temperatures. One of the at least two thermostats opens and controls a flow rate of coolant through the housing when the coolant is within a first predetermined temperature range. A single loop of coolant is being controlled within the housing member.

Abstract: An exhaust gas aftertreatment device for an internal combustion engine producing the exhaust gas comprises an inlet configured to receive the exhaust gas, an outlet from which the exhaust gas exits the device, an aftertreatment element disposed between the inlet and the outlet, and a flow modification mechanism. The aftertreatment element has a front face receiving the exhaust gas from the inlet of the device, and the flow modification mechanism is configured to modify exhaust gas flow through the aftertreatment element in a manner that maintains uniform temperature across the front face of the element.

Abstract: A system for managing engine intake air temperature may comprise a first air flow control device having an inlet coupled to an outlet of a turbocharger compressor and a first outlet coupled to an inlet of a charge air cooler. A second outlet is coupled via a bypass conduit to the air intake manifold. The first air flow control device may selectively control air flow from the compressor outlet to the charge air cooler and/or bypass conduit. The system may alternatively or additionally include a second air flow control device having a first inlet receiving air external to the engine compartment, a second inlet receiving air from within the engine compartment and surrounding the engine and an outlet providing air flow to the engine. The second air flow control device may selectively control air flow from the first and/or second inlets thereof to the engine.