Engine
AssigneeYanmar Power Technology Co., Ltd.
InventorsKatsuhiro Nishimura, Koichi Hirose
Life of this patent
Estimating the term…
Abstract
An engine including a main fuel injection valve, a pilot fuel injection valve, a liquid fuel supply rail pipe, and a pilot fuel supply rail pipe. The main fuel injection valve supplies liquid fuel from the liquid fuel supply rail pipe to a combustion chamber during combustion in a diffusion combustion system. The pilot fuel injection valve supplies pilot fuel from the pilot fuel supply rail pipe to the combustion chamber in order to ignite gaseous fuel during combustion in a premixed combustion system. The liquid fuel supply rail pipe is disposed at one side of an imaginary vertical plane including an axis of a crank shaft. The pilot fuel supply rail pipe is disposed at the side of the imaginary vertical plane at which the liquid fuel supply rail pipe is disposed.
Claims5
An engine operable in a premixed combustion system in which gaseous fuel mixed with air is caused to flow into a combustion chamber, the engine comprising:
- a pilot fuel injection valve configured to supply pilot fuel to the combustion chamber to ignite gaseous fuel during combustion in the premixed combustion system;
- a pilot fuel supply rail pipe that is configured to supply pilot fuel to the pilot fuel injection valve;
- and
- a covering member that covers the pilot fuel supply rail pipe.
Dependencies are inferred from the claim text.