Hyundai Motor Company

Kia Corporation

Milos Tichy

Andreas Kapp

Ulrich Karrer

Leigh Deissenroth

Roman Pelzetter

Markus Peppler

Bernd Friedrichs

Thorsten Rau

André Schwab

Daniel Riedl

Dominik Adam

Paul Fungai Kachisi

An embodiment hydrogen direct injection system for an internal combustion engine of a motor vehicle includes a fuel line and a fuel injector configured to inject hydrogen fuel into a combustion chamber of the internal combustion engine, wherein the fuel injector is configured to receive the hydrogen fuel via the fuel line and to receive water via the fuel line, and wherein the water is configured to lubricate the fuel injector.

Hydrogen direct injection system and method for lubricating a fuel injector of a hydrogen direct injection system

An embodiment system for lubricating a hydrogen injector in a vehicle includes an extraction and separation device configured to collect at least a fraction of an exhaust gas of a hydrogen combustion engine and separate a water component from the collected fraction of the exhaust gas to provide liquid water and dried exhaust gas and a reactor connected to the extraction and separation device and configured to generate nitric acid from the liquid water and a nitrogen oxide content of the dried exhaust gas, wherein the hydrogen injector is connected to the reactor and configured to receive the generated nitric acid for lubrication.

System, vehicle and method for lubricating a hydrogen injector in a vehicle

An embodiment combustion chamber for an internal combustion engine includes a chamber body including a cylinder configured to receive fuel and air for carrying out an engine cycle including a combustion reaction of the fuel and a chamber roof including an injector tunnel opening disposed on an inner surface of the chamber roof, the injector tunnel opening being configured to guide the fuel injected in an injecting direction toward the cylinder, and the injector tunnel opening including a protrusion disposed on a path of the fuel along the injecting direction, the protrusion being configured to re-direct the path of the fuel along a re-directed path away from the inner surface of the chamber roof and a pair of grooves arranged on sides of the protrusion, respectively, the pair of grooves being configured to guide the fuel separated by the protrusion to the sides of the protrusion.

Internal combustion engine and combustion chamber for an internal combustion engine

Growing community of inventors

Griesheim, Germany

Milos Tichy