Title:
FUEL INJECTION DEVICE
Document Type and Number:
Japanese Patent JP2017002888
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fuel injection device capable of attaining both reduction of an amount of NOx and a high thermal efficiency.SOLUTION: A fuel injection device 10 of the present invention is used at an internal combustion engine 1 having a cylinder head 16, a cylinder 15 and combustion chamber 12 defined by a piston crown surface 130 so as to cause at least one of an amount of NOx, Pmax or a thermal efficiency η to become a prescribed value. The fuel injection device 10 includes a fuel injection changing part 60. N is a natural number equal to or more than 2, the combustion chamber is virtually divided into the number of N of combustion regions 61 to 64 and a fuel injection method can be changed in response to each of the combustion regions. The fuel injection changing part 60 divides the combustion chamber 12 into the number of N of combustion regions to enable a calorie difference between each of the combustion regions to be eliminated and further enable an in-cylinder pressure P in the combustion chamber 12 to be precisely controlled. With this arrangement as above, it is possible to make the amount of NOx and the thermal efficiency η optimal. Accordingly, it is possible to attain both reduction of an amount of NOx and the high thermal efficiency.SELECTED DRAWING: Figure 1
Inventors:
OSAKA JUN
MOTOE YUSUKE
MOTOO KOHEI
FURUKAWA KENGO
TAKEYAMA MASAKI
KONDO WAKICHI
MOTOE YUSUKE
MOTOO KOHEI
FURUKAWA KENGO
TAKEYAMA MASAKI
KONDO WAKICHI
Application Number:
JP2016013153A
Publication Date:
January 05, 2017
Filing Date:
January 27, 2016
Export Citation:
Assignee:
DENSO CORP
International Classes:
F02M61/18; F02B23/06; F02D41/04; F02M63/00
Domestic Patent References:
| JP2001159379A | 2001-06-12 | |||
| JPH109085A | 1998-01-13 | |||
| JP2015151935A | 2015-08-24 |
Foreign References:
| WO2011048676A1 | 2011-04-28 | |||
| US20080295798A1 | 2008-12-04 |
Attorney, Agent or Firm:
Masaki Hattori