An engine includes a cylinder, a ceiling section, a guide wall, a recess. The guide wall is provided in the ceiling section of a combustion chamber and is connected to openings of the intake/exhaust port. The recess provided in a portion of the guide wall ...

It is an object to reduce the pumping work, and to improve the fuel consumption rate by preventing the injection path part of a fuel gas supply device from protruding from the wall surface of the inlet path, and reducing the circulation resistance against ...

The engine has an exhaust collector (22) whose outlet (20) is connected to an inlet of high pressure turbine (18) that drives a high-pressure compressor (12) supplying pressurized air to the engine. The collector has an outlet (34) equipped with a rotating...