Abstract: Methods and apparatus are provided for diagnosing a vehicle. In one embodiment, a method includes: initiating, by a processor, a recording of a noise by at least one microphone based on user selection data from a user of the vehicle; receiving, by the processor, audio signal data based on the recording; generating, by the processor, vector data based on the audio signal data; processing, by the processor, the vector data with at least one trained machine, by the processor, learning model to determine a classification of the noise; predicting, by the processor, an action to be taken based on the classification; and storing, by the processor, the audio signal data, the classification, and the action in a datastore.

Abstract: Methods and apparatus are provided for diagnosing a vehicle. In one embodiment, a method includes: initiating, by a processor, a recording of a noise by at least one microphone based on user selection data from a user of the vehicle; receiving, by the processor, audio signal data based on the recording; generating, by the processor, vector data based on the audio signal data; processing, by the processor, the vector data with at least one trained machine, by the processor, learning model to determine a classification of the noise; predicting, by the processor, an action to be taken based on the classification; and storing, by the processor, the audio signal data, the classification, and the action in a datastore.

Abstract: An evaporative emissions control system comprising an evaporative emissions control (evap) canister. A fuel vapor feed conduit includes a first end fluidically connected to the evap canister, a second end connected to an internal combustion (IC) engine and a purge valve fluidically connected thereto. A fuel vapor conduit includes a first end fluidically connected to the evap canister and a second end configured to extend into a vehicle fuel tank. A fuel vapor vent valve is fluidically connected to the fuel vapor conduit at the second end thereof. A vapor return system includes a fuel pump fluidically connected to the fuel vapor conduit through an intermediate bypass conduit having a first end fluidically connected to an intermediate portion of the fuel vapor conduit and a second end extending into the vehicle fuel tank and in communication with the vapor return system.

Abstract: An evaporative emissions control system comprising an evaporative emissions control (evap) canister. A fuel vapor feed conduit includes a first end fluidically connected to the evap canister, a second end connected to an internal combustion (IC) engine and a purge valve fluidically connected thereto. A fuel vapor conduit includes a first end fluidically connected to the evap canister and a second end configured to extend into a vehicle fuel tank. A fuel vapor vent valve is fluidically connected to the fuel vapor conduit at the second end thereof. A vapor return system includes a fuel pump fluidically connected to the fuel vapor conduit through an intermediate bypass conduit having a first end fluidically connected to an intermediate portion of the fuel vapor conduit and a second end extending into the vehicle fuel tank and in communication with the vapor return system.

Abstract: An exemplary fuel filtering assembly includes a housing having a sidewall, a first surface, a strainer element, a first orifice, and a second orifice. The sidewall and the first surface define a fluid well. The strainer element is disposed in the fluid well and the first orifice and the second orifice are disposed in a channel defined by a first flow guidance member, a second flow guidance member, and a flow separating member. The first orifice is positioned at a first end of the channel and the second orifice is positioned at a second end of the channel opposite the first end and the first orifice is separated from the second orifice by the flow separating member.

Abstract: A fuel system for a motor vehicle includes a fuel pump having a first pump outlet connectable to an engine fuel inlet and a second pump outlet, a fuel pump module including an internal volume, a fuel pump module outlet is arranged in the internal volume fluidically connected to the second pump outlet, and a fuel valve is fluidically connected to the second pump outlet. The fuel valve is operable to fluidically isolate the fuel pump from the fuel pump module when fuel in the internal volume reaches a selected fuel level.

Abstract: A returnless fuel system includes a fuel injector, an accumulator, a first fuel pump assembly and a second fuel pump assembly. The accumulator is adapted to store pressurized fuel that is utilized by the fuel injector during prescribed conditions. The first fuel pump assembly is adapted to supply the pressurized fuel at a controlled pressure to the fuel injector. The second fuel pump assembly is in fluid communication with the accumulator and the first fuel pump assembly, and is adapted to provide the pressurized fuel at a controlled pressure to the first fuel pump assembly and the accumulator.

Abstract: A fuel system for a motor vehicle includes a fuel pump having a first pump outlet connectable to an engine fuel inlet and a second pump outlet, a fuel pump module including an internal volume, a fuel pump module outlet is arranged in the internal volume fluidically connected to the second pump outlet, and a fuel valve is fluidically connected to the second pump outlet. The fuel valve is operable to fluidically isolate the fuel pump from the fuel pump module when fuel in the internal volume reaches a selected fuel level.

Abstract: A fuel storage assembly includes a power source, a first tank, a fuel pump, an electric relay, a second tank, and a shut-off device. The fuel pump is adapted to remove fuel from the first tank. The electric relay is electrically connected between the power source and the fuel pump for terminating electric power to the fuel pump. The second tank is adapted to receive the fuel removed from the first tank. The shut-off device is located in the second tank and is electrically connected to the electric relay, and is configured to detect a shut-off level of fuel in the second tank. Upon detection of the shut-off level, the shut-off device effects shut-down of the fuel pump via the electric relay.

Abstract: An evaporative emissions control system includes an evaporative emissions control canister, a first fuel vapor return conduit including a first end fluidically connected the evaporative emissions control canister and a second end connectable to an internal combustion (IC) engine. A first valve is fluidically connected to the first fuel vapor return conduit. A second fuel vapor return conduit includes a first end portion fluidically connected to the first fuel vapor return conduit and a second end portion configured to be arranged in a vehicle fuel tank. A second valve is fluidically connected to the second fuel vapor return conduit at the second end portion in the vehicle fuel tank. A vapor return system includes a pump fluidically connected to the second valve in the vehicle fuel tank.

Abstract: A fuel system includes a cooling fuel supply line that conveys a flow of cooling fuel from a storage tank to a mixing device. An upstream fuel return line conveys a flow of heated fuel to the mixing device from an internal combustion engine. The flow of the heated fuel from the upstream fuel return line mixes with the flow of cooling fuel from the cooling fuel supply line in the mixing device to form a flow of mixed fuel. A downstream fuel return line conveys the flow of mixed fuel from the mixing device to the storage tank. The mixing device includes a flow restrictor operable to generate a low pressure zone relative to a fluid pressure of the flow of cooling fuel in the cooling fuel return line that draws the flow of the cooling fuel through the cooling fuel supply line and into the mixing device.

Abstract: A system for minimizing hydrocarbon vapor emissions includes a fuel vapor adsorption canister and a fresh air vent line from the fuel adsorption canister to an ambient environment to vent the fuel vapor adsorption canister. The fresh air vent line includes one or more hydrocarbon trap sections. The one or more hydrocarbon trap sections of the fresh air vent line adsorb hydrocarbon emissions from the fuel vapor adsorption canister to minimize hydrocarbon emissions to the ambient environment.

Abstract: A fuel storage assembly includes a power source, a first tank, a fuel pump, an electric relay, a second tank, and a shut-off device. The fuel pump is adapted to remove fuel from the first tank. The electric relay is electrically connected between the power source and the fuel pump for terminating electric power to the fuel pump. The second tank is adapted to receive the fuel removed from the first tank. The shut-off device is located in the second tank and is electrically connected to the electric relay, and is configured to detect a shut-off level of fuel in the second tank. Upon detection of the shut-off level, the shut-off device effects shut-down of the fuel pump via the electric relay.

Abstract: An evaporative emissions control system includes an evaporative emissions control canister, a first fuel vapor return conduit including a first end fluidically connected the evaporative emissions control canister and a second end connectable to an internal combustion (IC) engine. A first valve is fluidically connected to the first fuel vapor return conduit. A second fuel vapor return conduit includes a first end portion fluidically connected to the first fuel vapor return conduit and a second end portion configured to be arranged in a vehicle fuel tank. A second valve is fluidically connected to the second fuel vapor return conduit at the second end portion in the vehicle fuel tank. A vapor return system includes a pump fluidically connected to the second valve in the vehicle fuel tank.

Abstract: A thermostatic valve for a diesel fuel system includes a valve housing and a valve element movable within the housing between a position directing heated diesel fuel returning from an engine to the inlet of a fuel pump and a position dumping the fuel into a reservoir where the fuel mixes with lower temperature fuel. A temperature responsive thermostatic element moves the valve element in response to the temperature of the diesel fuel. A temperature relief valve is provided in the housing to dump the returning fuel into the reservoir if the temperature reaches a temperature indicating overheating of the fuel. The temperature relief valve is a bi-metal valve mounted in an end wall of the valve housing.

Abstract: A fuel system includes a cooling fuel supply line that conveys a flow of cooling fuel from a storage tank to a mixing device. An upstream fuel return line conveys a flow of heated fuel to the mixing device from an internal combustion engine. The flow of the heated fuel from the upstream fuel return line mixes with the flow of cooling fuel from the cooling fuel supply line in the mixing device to form a flow of mixed fuel. A downstream fuel return line conveys the flow of mixed fuel from the mixing device to the storage tank. The mixing device includes a flow restrictor operable to generate a low pressure zone relative to a fluid pressure of the flow of cooling fuel in the cooling fuel return line that draws the flow of the cooling fuel through the cooling fuel supply line and into the mixing device.

Abstract: A vehicle includes a thermal harvesting device that is positioned adjacent a heat-generating vehicle system. The thermal harvesting device generates electricity based on a temperature differential in order to power a sensor and a wireless transmitter.

Abstract: A fuel injection apparatus for an internal combustion engine includes a fuel supply line in communication with a fuel tank and a fuel pump system. A fuel rail is connected to the fuel supply system and a plurality of fuel injectors. A return line extending from the fuel rail to the fuel tank. A by-pass passage extending from the supply line to the return line and including a pressure release valve having a pre-set activation pressure. A fuel temperature sensor for sensing a feed temperature of the fuel in the fuel supply system. A pressure control module that sets a first pressure set point in the fuel rail below the pre-set activation pressure when the feed temperature is below a predetermined temperature and sets a second pressure set point above the pre-set activation pressure of the pressure release valve when the feed temperature is above the predetermined temperature.

Abstract: A fuel tank system for use in a vehicle comprises a fuel tank having a volume comprising a first or primary range and a second or preliminary range. A fuel level sensor assembly disposed in the fuel tank comprises a receiving unit, a first fuel level sensor positioned to move with the level of fuel in the first or primary range of the fuel and a second fuel level sensor positioned to move with the level of fuel in the second or preliminary range of the fuel. The receiving unit delivers a signal to a control module that indicates that the fuel level is within the preliminary range or the primary range.

Abstract: A fuel tank has a valve assembly that reduces noise emanating therefrom. The fuel tank comprises a first fuel reservoir, a second fuel reservoir, a fuel pick-up assembly disposed within the first fuel reservoir, a fuel inlet in the fuel pick-up assembly, a fuel pump assembly disposed in the second fuel reservoir and fluidly connected to the fuel pick-up assembly and a low shut-off valve associated with the fuel inlet of the fuel pick-up assembly and configured to close when fuel in the first reservoir drops below the level of the low shut-off valve, eliminating noise generated by a lack of fuel entering the fuel pick-up assembly.