초록 ▼

A system to supply hydrogen-rich fuel to an internal combustion engine, whereby a hydrogen-rich gas is produced from a liquid raw fuel by a hydrogen generator. The exhaust line of the internal combustion engine contains an exhaust purification system, such as a DeNOx catalytic converter, which is at

A system to supply hydrogen-rich fuel to an internal combustion engine, whereby a hydrogen-rich gas is produced from a liquid raw fuel by a hydrogen generator. The exhaust line of the internal combustion engine contains an exhaust purification system, such as a DeNOx catalytic converter, which is at least temporarily supplied with hydrogen-rich gas through a bypass line. In addition, the exhaust line is in thermal contact with the hydrogen generator in order to recover thermal energy.

대표청구항 ▼

The invention claimed is: 1. A system for supplying fuel to both an internal combustion engine and an exhaust purification system disposed in an exhaust line of said internal combustion engine, the system comprising: a tank to store raw fuel; a hydrogen generator to convert the raw fuel to a gaseou

The invention claimed is: 1. A system for supplying fuel to both an internal combustion engine and an exhaust purification system disposed in an exhaust line of said internal combustion engine, the system comprising: a tank to store raw fuel; a hydrogen generator to convert the raw fuel to a gaseous hydrogen-rich fuel; a raw fuel feed line between the tank and the hydrogen generator; a pump disposed in the raw fuel feed line; a hydrogen-rich fuel feed line between the hydrogen generator and the internal combustion engine; a hydrogen-rich fuel bypass line configured to connect the hydrogen-rich fuel feed line to one of the exhaust purification system and the exhaust line upstream of the exhaust purification systems; and a valve disposed within the hydrogen-rich fuel bypass line; wherein, the hydrogen generator is in thermal contact with the exhaust line; the system further comprises an evaporator disposed in the raw fuel feed line between the pump and the hydrogen generator; the evaporator is in thermal contact with the exhaust line; the exhaust line comprises a main exhaust line that includes the exhaust purification system, and is in thermal contact with the hydrogen generator and an exhaust bypass line; the exhaust bypass line branches off the main exhaust line upstream of the hydrogen generator and rejoins the main exhaust line between the hydrogen generator and the evaporator; and the exhaust bypass line is coupled to supply exhaust flowing through the exhaust bypass line to the evaporator. 2. The system of claim 1, wherein the evaporator is in thermal contact with the exhaust line downstream of the hydrogen generator, relative to a flow direction of the exhaust. 3. The system of claim 1, wherein: the internal combustion engine has a cooling system; and the evaporator is in thermal contact with the cooling system. 4. The system of claim 1, further comprising a heat exchanger disposed in the hydrogen-rich fuel feed line. 5. The system of claim 1, further comprising a storage container connected to the hydrogen-rich fuel feed line. 6. The system of claim 1, further comprising a raw fuel feed line between the tank and the internal combustion engine. 7. The system of claim 1 wherein the exhaust purification system comprises a DeNOx catalytic converter.