Abstract:
Techniques for separating a fuel on-board a vehicle include mixing an input fuel stream and a fluid solvent; separating the mixture into a first liquid fuel stream and a second liquid fuel stream, the first liquid fuel stream including a first portion of the input fuel stream defined by a first auto-ignition characteristic value and the fluid solvent, the second liquid fuel stream including a second portion of the input fuel stream defined by a second auto-ignition characteristic value that is different than the first auto-ignition characteristic value; separating the first liquid fuel stream into the fluid solvent and the first portion of the input fuel stream; directing the first portion of the input fuel stream to a first fuel tank on the vehicle; and directing the second portion of the input fuel stream to a second fuel tank on the vehicle.
Abstract:
A fuel separation system includes a fuel separator configured to receive a fuel stream and separate the fuel stream, based on a volatility of the fuel stream, into a vapor stream defined by a first auto-ignition characteristic value and a first liquid stream defined by a second auto-ignition characteristic value, the second auto-ignition characteristic value greater than the first auto-ignition characteristic value; and a heat exchanger fluidly coupled between a fuel input of the fuel stream and the fuel separator, the heat exchanger configured to transfer heat from the vapor stream to the fuel stream, and output a heated fuel stream to the fuel separator and a second liquid stream defined by the first auto-ignition characteristic value.
Abstract:
A method of operating a vehicle system including an internal combustion engine is disclosed, the method comprises separating a second fuel from a first fuel, the second fuel having a greater concentration of at least one component than the first fuel; combusting at least the first fuel at least during a first engine load; and combusting at least the second fuel at least during a second engine load higher than the first engine load.
Abstract:
Inside of a combustion chamber, ammonia is made to burn well. Inside of the combustion chamber 5, in addition to ammonia, reformed gas which is reformed inside of the reformer 20 is fed. When the reforming ability of the reformer 20 is a predetermined reforming ability or less, the ammonia ratio is made to increase over the ammonia ratio after completion of warmup which is preset according to the operating state of the engine, and secondary air is fed from the secondary air feed device 37 into the engine exhaust passage upstream of the exhaust purification catalyst 19.
Abstract:
The purpose of the prevent invention is to provide an engine 1 provided with reforming cylinders 15 which are fuel reforming devices capable of supplying a reformed fuel according to the outputs of outputting cylinders 2. The engine 1 is provided with the outputting cylinders 2 for burning the fuel and the reforming cylinders 15 which are the fuel reforming devices for reforming the fuel through the reciprocating motions of pistons 18. The amount Gf of reformed fuel supplied to all the outputting cylinders 2 is changed according to the outputs of the outputting cylinders 2 while maintaining the amount gf of supplied fuel and the amount gi of suctioned gas, which are supplied into one reforming cylinder 15.
Abstract:
An exhaust system for treating exhaust gas from an internal combustion engine is disclosed. The system comprises a three-way catalyst (TWC),a fuel reformer catalyst located downstream of the TWC, and a fuel supply means located upstream of the fuel reformer catalyst. The exhaust gas is split into two portions. The first portion of the exhaust gas bypasses the TWC and contacts the fuel reformer catalyst in the presence of fuel added from the fuel supply means, and is then recycled back to the engine intake. The second portion of the exhaust gas is contacted with the TWC and is then utilized to heat the fuel reformer catalyst before being expelled to atmosphere. The exhaust system allows for maximum heat exchange from the exhaust gas.
Abstract:
An exhaust device for an internal combustion engine is mounted on a vehicle and equipped with an exhaust passage, a reforming catalyst and a NOx purification catalyst. The exhaust passage communicates with the engine. The reforming catalyst is provided on the exhaust passage at the upstream side of the NOx purification catalyst, and it generates the reducing agent by reforming CH 4 . The NOx purification catalyst purifies NOx by means of the reducing agent generated by the reforming catalyst.