Title:
燃料直接噴射式ディーゼルエンジン
Document Type and Number:
Japanese Patent JP4898891
Kind Code:
B2
Abstract:
A combustion chamber opening toward a cylinder head is provided on a top surface of a piston, and this combustion chamber comprises a first volume having an inclined surface and a second volume further recessed from the first volume toward a pin boss. Fuel spray F from a fuel injection nozzle is injected toward an inner peripheral wall section of the second volume in a former stage of fuel injection and toward the inclined surface of the first volume in a later stage of fuel injection, and the percentage of the fuel injection period in the former stage against the total fuel injection period is set to the range from 40% to 70%.
Inventors:
Tadashi Iijima
Yutaka Ono
Masaki Takahashi
Yutaka Ono
Masaki Takahashi
Application Number:
JP2009251042A
Publication Date:
March 21, 2012
Filing Date:
October 30, 2009
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
F02B23/06; F02B3/00; F02B3/08; F02B15/00; F02B23/08; F02D41/40; F02F3/26; F02B3/06
Domestic Patent References:
| JP59070027U | ||||
| JP5071347A | ||||
| JP2001507096A | ||||
| JP61028813B2 | ||||
| JP60190936U | ||||
| JP57196219U |
Attorney, Agent or Firm:
Intellectual Property Office