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Title:
PREMIX COMPRESSION IGNITION ENGINE
Document Type and Number:
Japanese Patent JP2006169987
Kind Code:
A
Abstract:

To provide a premix compression ignition engine for stabilizing combustion.

A piston top surface 6a is provided with a combustion chamber 20 having a first recess part 21 recessed in a spherical surface shape, and a second recess part 22 formed in a central part of the first recess part 21 and recessed in a spherical surface shape. The combustion chamber 20 is set in a shape of setting the ratio of a diameter D of an opening 24 to the depth H of the deepest part 23 to 5 to 13, and setting the ratio of the area of a squish area 25 to the area of the piston top surface 6a to 0.25 to 0.45. Clearance between the squish area 25 and an under surface 5a of a cylinder head 5 is set so as to become 2 to 3 mm.


Inventors:
KATSURAYAMA YASUSHI
Application Number:
JP2004000360413
Publication Date:
June 29, 2006
Filing Date:
December 13, 2004
Export Citation:
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Assignee:
TOYOTA IND CORP
International Classes:
F02B23/06; F02B1/12; F02B23/00; F02B43/00; F02F3/00; F02F3/26
Attorney, Agent or Firm:
曾我 道照
曾我 道治
古川 秀利
鈴木 憲七
梶並 順



 
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