Title:
COMBUSTION CHAMBER STRUCTURE FOR DIRECT-INJECTION TYPE INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2019007446
Kind Code:
A
Abstract:
To efficiently suppress smoke.SOLUTION: A combustion chamber structure for a direct-injection type internal combustion engine includes: a cavity 11 recessed in a central part of a piston top surface 8; and a recessed part 21 recessed in an outer peripheral part 20 of the piston top surface, which is positioned on a radial outer side of the cavity. The recessed part has a shallow-pan circular arc-shaped cross-sectional shape and is formed so as to generate a vortex flow in a longitudinal direction when a piston descends.SELECTED DRAWING: Figure 1
Inventors:
IKENO RYO
OZAWA DAISUKE
OZAWA DAISUKE
Application Number:
JP2017125233A
Publication Date:
January 17, 2019
Filing Date:
June 27, 2017
Export Citation:
Assignee:
ISUZU MOTORS LTD
International Classes:
F02B23/06
Attorney, Agent or Firm:
Haruhisa Kinutani
Hiroyuki Hashiyama
Hiroyuki Hashiyama