Title:
INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2014/118947
Kind Code:
A1
Abstract:
An internal combustion engine (1) is a compression ignition type of internal combustion engine. A bottom wall surface (311) has a pentroof shape, and a bottom wall surface (712) has a shape that protrudes in accordance with said pentroof shape. A piston (7) has a tapered shape (TP) at a squish portion (S). The tapered shape (TP) has a bottom end (TPB) at the side wall surface of a cavity (71) provided in a peripheral edge portion (711). An injection hole (611C) injects fuels to an area (E3), and an injection hole (611A) injects fuel to an area (E1). The injection angle (α3) of the injection hole (611C) is set smaller than the injection angle (α1) of the injection hole (611A). A squish portion (S1) is a section among the squish portion (S) adjacent to the area (E3), and a squish portion (S2) is a section among the squish portion (S) adjacent to the area (E1). The height (Hs) of the squish portion (S1) is set lower than that of the squish portion (S2).
Inventors:
MICHIKAWAUCHI RYO (JP)
Application Number:
PCT/JP2013/052234
Publication Date:
August 07, 2014
Filing Date:
January 31, 2013
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
MICHIKAWAUCHI RYO (JP)
MICHIKAWAUCHI RYO (JP)
International Classes:
F02B23/06
Foreign References:
| JP2008014177A | 2008-01-24 | |||
| JPH10159566A | 1998-06-16 | |||
| JPH03210021A | 1991-09-13 | |||
| JP2008014177A | 2008-01-24 |
Other References:
See also references of EP 2952707A4
Attorney, Agent or Firm:
KATAYAMA, SHUHEI (JP)
Shuhei Katayama (JP)
Shuhei Katayama (JP)
Download PDF: