Title:
ENGINE
Document Type and Number:
Japanese Patent JP2023055818
Kind Code:
A
Abstract:
To provide an engine which can operate while switching between a gas mode and a diesel mode.SOLUTION: An engine 21 includes a main fuel injection valve 79, a pilot fuel injection valve 82, a liquid fuel supply rail pipe 42, a pilot fuel supply rail pipe 47, and an exhaust manifold 44. The liquid fuel supply rail pipe 42 supplies liquid fuel toward the main fuel injection valve 79 in a diffusion combustion system. The pilot fuel supply rail pipe 47 supplies pilot fuel toward the pilot fuel injection valve 82 in a premixed combustion system. The exhaust manifold 44 collects an exhaust gas generated by combustion in the combustion chamber 110 of each cylinder and discharges the exhaust gas to the outside. The liquid fuel supply rail pipe 42 and the pilot fuel supply rail pipe 47 are disposed at positions lower than the exhaust manifold 44.SELECTED DRAWING: Figure 2
Inventors:
Masayoshi Doi
Taishi Murakami
Taishi Murakami
Application Number:
JP2023012224A
Publication Date:
April 18, 2023
Filing Date:
January 30, 2023
Export Citation:
Assignee:
Yanmar Power Technology Co., Ltd.
International Classes:
F02M37/00; F02B43/00; F02D19/06; F02D19/10; F02M21/02; F02M61/14
Attorney, Agent or Firm:
Naoki Katsura