Abstract: A valve bridge is disclosed for use with an internal combustion engine. The valve bridge may include a body with a central cavity formed in a center portion of the body for receiving a hydraulic lash adjuster, and opposing first and second lateral extensions on opposite sides of the central cavity. The valve bridge may further include a first bore in the first extension for receiving a first valve stem, and a second bore in the second extension for receiving a second valve stem. The valve bridge may also include a first internal groove in a wall of the central cavity configured to receive fluid, as well as a first internal passage in the body that extends from the first internal groove toward the first bore. In addition, the first internal passage may extend from a higher gravitational point within the body to a lower gravitational point within the body.

Abstract: A system for adjusting wheel adhesion levels on multiple locomotive axles in a rail vehicle consist is provided. The system includes a first controller associated with a lead locomotive and a second controller associated with at least one trailing locomotive. A wheel adhesion level sensor is configured to detect a low wheel adhesion level at an axle and transmit that information to the first or second controller. The first controller adjusts the load being delivered to the axles by the motor in response to the low wheel adhesion level.

Abstract: A turbocharger for a powered machine including a turbine is disclosed. The turbocharger may include a turbine wheel including a disk section, the disk section including a disk body, the disk body including a length extending between a longitudinal axis and a blade platform. The disk section may further include a shoulder section positioned radially outward the longitudinal axis, a neck section positioned radially outward the shoulder section and a throat section positioned radially outward the neck section, an upstream axial plane coextensive with an upstream side of the blade platform, a downstream axial plane coextensive with a downstream side of the blade platform. Further, the turbine burst shield section may have a geometry that peaks in depth in the burst plane which prevents ejection of secondary mass in the event of a turbine burst.

Abstract: A system for identifying a fault in sensors disposed in two or more locomotives of a consist is disclosed. The system includes a first sensor, disposed in a first locomotive, configured to detect a first value of a parameter associated with operation of the first locomotive. The system includes a second sensor, disposed in a second locomotive, configured to detect a second value of the parameter associated with operation of the second locomotive. The system includes a receiving unit, in communication with the first sensor and the second sensor, configured to receive the first value and the second value of the parameter. The system includes a controller configured to compare the first value with the second value of the parameter, and identify the fault in one of the first sensor and the second sensor based on the comparison between the first value and the second value.

Abstract: A method of operating a cryogenic fuel system for supplying fuel to an engine is provided herein. A cryogenic fuel pump is operated to pump fuel to be supplied to the engine. At least a portion of the pumped fuel is diverted to be supplied to an accumulator, when a fuel demand of the engine is less than a discharge output of the cryogenic fuel pump. Further, the supply of the pumped fuel from the cryogenic fuel pump to the engine and the accumulator is stopped, when a pressure within the accumulator reaches a first predefined pressure limit. Furthermore, the fuel is supplied to the engine from the accumulator, when supply of the pumped fuel from the cryogenic fuel pump to the engine and the accumulator is stopped.

Abstract: A condensation system for a reservoir, which stores fuel cryogenically, is disclosed. A portion of the fuel exists as a boil-off gas with a first vapor quality. The condensation system includes an absorption unit coupled to the reservoir and is configured to receive and mix the boil-off gas with a refrigerant, forming a liquid solution. A distillation unit is coupled to the absorption unit to receive the liquid solution at a supplemented pressure, and is configured to separate the fuel to a gaseous state from the liquid solution. Further, a cooling circuit is configured to receive the fuel in the gaseous state from the distillation unit at the supplemented pressure and a supplemented temperature, and deliver the fuel to the reservoir at a lower pressure and a temperature, with a vapor quality lower than the first vapor quality.

Abstract: A packaging system for enclosing an aftertreatment module associated with an engine is described. The packaging system includes a housing structure configured to enclose the aftertreatment module therein, the housing structure being coupled to an exhaust conduit of the engine. The housing structure includes a base portion and a plurality of side portions extending from the base portion. The base portion and the plurality of side portions define a chamber for receiving the aftertreatment module therein. Further, the packaging system includes a equipment rack configured to receive one or more components of the accessory system. The equipment rack includes a top end and a bottom end, the top end being distal from the bottom end and configured to couple with the base portion of the housing structure. The bottom end of the equipment rack is supported on a floor.

Abstract: This document discloses an exhaust gas turbocharger, which includes a turbine disk connected to a turbine disk hub. The turbine disk hub extends distally away from the turbine disk and towards a shaft that connects the turbine disk to a compressor. The shaft includes a proximal end that includes a shaft hub that extends proximally away from the shaft and towards the turbine disk hub. The turbine disk hub is coaxially connected to the shaft hub at a joint. The turbine disk hub and the shaft hub form a cavity between the turbine disk and the proximal end of the shaft. The turbocharger also includes a sleeve having an inner surface that surrounds and engages at least part of the turbine disk hub, at least part of the shaft hub and that further surrounds the joint and partially surrounds the cavity. The sleeve provides structural reinforcement for the joint and additional cooling functions beyond the cooling function provided by the cavity.

Abstract: An engine system includes an internal combustion engine having an exhaust system with an SCR aftertreatment mechanism and a urea injector upstream the aftertreatment mechanism. A mixing mechanism is positioned fluidly between the urea injector and the aftertreatment mechanism and includes a turbulator and a swirler structured to increase mixing of the urea and exhaust gases. Related methodology is also disclosed.

Abstract: An engine system is disclosed. The engine system may have an engine having an accessory end and a drive end opposite the accessory end. The engine system may also have a turbocharger arrangement located adjacent the accessory end. The turbocharger arrangement may be configured to receive exhaust from the engine and to deliver compressed air to the air cooling arrangement. Further, the engine system may have an air cooling arrangement located adjacent the accessory end and configured to deliver fresh air to the engine. In addition, the engine system may have a mixing duct extending from the accessory end to the drive end and configured to receive the exhaust from the turbocharger arrangement. The engine system may also have an after-treatment system located adjacent the drive end. The after-treatment system may be configured to receive the exhaust from the mixing duct and to discharge the exhaust to an ambient.

Abstract: A railroad personnel scheduling and management system is disclosed. The system may include a personnel database storing qualification data associated with a plurality of railroad personnel and a controller comprising a personnel management module and a communication module. The controller may be configured to receive railroad asset data and personnel location data via the communication module and select a primary personnel from the plurality of railroad personnel in conjunction with the personnel management module and based on the qualification data, the railroad asset data, and the personnel location data. The controller may also be configured to generate a dispatch signal based on the railroad asset data and communicate the dispatch signal to the primary personnel via the communication module.

Abstract: An adapter is used to couple a prime mover body to a housing of a generator. The adapter has openings that allow an armature of the generator to be attached to the flywheel of the prime mover. The adapter provides a torque coupling between the prime mover and the generator so that the attachments of the prime mover and generator to the skid, as well as the skid itself, can be reduced in size and weight because they no longer need to oppose the prime mover-generator torque load. A thickness of the adapter and a pattern of the openings in the body of the adapter are selected to move any natural resonance frequencies of the adapter outside an operating frequency of the prime mover.

Abstract: A gas production system for producing high pressure gas is disclosed. The gas production system may perform a method for producing high pressure gaseous fuel. The method may include receiving liquefied fuel in a container having an effective volume, reducing the effective volume of the container, and heating the liquefied fuel. The method may also include releasing some gaseous fuel out of the container. The method may further include increasing the effective volume of the container, cooling residual gaseous fuel, and directing liquefied fuel into the container to replace released gaseous fuel. The method may include converting a change in the effective volume of the container to mechanical power.

Abstract: A compressor impeller assembly is disclosed. The compressor impeller assembly may have a compressor impeller having an impeller bore. The compressor impeller assembly may further have an insert screwed into the impeller bore, the insert having a threaded insert bore. The compressor impeller assembly may also have a shaft having a threaded shaft bore. In addition, the compressor impeller assembly may have a stud. The stud may have a first threaded portion engaged with the threaded insert bore. The stud may also have a second threaded portion engaged with the threaded shaft bore.

Abstract: A control system is disclosed for use with a locomotive. The control system may have a component located onboard the locomotive, the component having a first state and a second state. The control system may also have an operator input device located onboard the locomotive and used to manually toggle operation of the component between the first and second states, and at least one sensor located onboard the locomotive and configured to generate a signal associated with a condition of the locomotive. The control system may also have an offboard controller located remotely from the locomotive and being configured to selectively override the operator input device and toggle operation of the component between the first and second states based on the signal.

Abstract: A housing of a compressor for an internal combustion engine is provided. The housing includes a first air inlet portion. Further, housing includes a tubular wall defining an annular chamber along a circumference of the first air inlet portion. Tubular wall comprising a second air inlet portion. Housing further includes an opening formed in a wall of first air inlet portion, contiguously extending along the circumference of the first air inlet portion, to fluidly couple the annular chamber with the first air inlet portion. The opening being formed at an offset from the second air inlet portion. The opening defines a first edge and a second edge in the wall of the first air inlet portion. The first edge and the second edge are radially offset from each other with respect to a central axis of the first air inlet portion.

Abstract: A method for managing train assets increases the time between required maintenance of the train assets, improves the future availability of the train assets, or increases the likelihood that the train assets will successfully complete future missions. A controller may receive from a sensor on a train asset a real-time signal indicative of at least one of a measured operational characteristic or a maintenance activity associated with the train asset, receive from a memory prognostic data providing information on a likelihood the train asset will complete a mission, and simulate a hypothetical operational scenario (HOS) based at least in part on the prognostic data and involving one or more train assets. Predictive data associated with the HOS may provide information on a likely benefit to a train asset from a change in at least one of an operational parameter, designated operational configuration for the train assets, or maintenance-related activity.

Abstract: A system for maintaining a minimum clearance between a locomotive and a railway infrastructure is provided. The system includes at least one rollable and compressible device configured to be affixed or otherwise provided on a side of a locomotive or portion of a train. Each rollable and compressible device includes bi-directional rolling element and is configured to allow movement of the roller between a non-rolling state and a rolling state and between an uncompressed state and a predetermined maximum compressed state.

Abstract: A turbine bearing and seal assembly is disclosed. The turbine bearing and seal assembly may have a turbine cartridge. The turbine cartridge may have a compressor end and a turbine end opposite the compressor end. The turbine bearing and seal assembly may also have a bearing attached to the turbine cartridge. The bearing may be disposed between the compressor end and the turbine end. The turbine bearing and seal assembly may further have a seal collar attachable to a shaft. The seal collar may be disposed within the turbine cartridge adjacent the turbine end.

Abstract: A system for pacing a train having a plurality of locomotives is disclosed. The system may include an signaling system onboard component configured to receive a signal indicative of a requested time of arrival (RTA) of the train, a locomotive health system configured to output one or more health signals indicative of a health status of each of the plurality of locomotives, and an energy management system in electronic communication with the signaling system onboard component and the locomotive health system. The energy management system may be configured to generate driving command signals based on the RTA and the one or more health signals, generate an RTA confirmation signal based on the one or more health signals, the RTA confirmation signal being indicative of whether the train will achieve the RTA, and communicate the RTA confirmation signal to a train signaling system via the signaling system onboard component.