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(12) PATENT APPLICATION PUBLICATION
(19) INDIA (21) APPLICATION No: 980/CHE/2004A
(22) Date of filing of Application:24/09/2004 (43) Publication Date: 09/06/2006
(54) Title of the invention:
COMBUSTION CHAMBER WITH ONE
CONCAVE SURFACE AND THREE
CONVEX SURFACES.
(51)International classification:F 02 F 1/00
(31) Priority Document No.10/673,977
(32) Priority Date:29/09/2003
(33) Name of priority country:U.S.A
(87) WIPO No. :
(61) Patent of addition to
Application No. :
Filed on:
(62) Divisional to
Applcation No.:
Filed on:
(71) Name of Applicant
INTERNATIONAL ENGINE
INTELLECTUAL PROPERTY
COMPANY LLC,
Address of Applicant:
4201 WINFIELD ROAD, P O BOX 1488,,
WARRENVILLE,IL 60555,,
U.S.A.
(72) Name of the Inventor(s):
LIU,ZHENGBAI.
(57)Abstract
A combustion chamber assembly for use in a piston of a diesel engine includes a combustion chamber defined
intersecting a crown of the piston, the combustion chamber being defined by a concave surface in cooperation with
three convex surfaces, adjacent surfaces having direct smooth junctures.
A piston and a method of forming a combustion chamber are further included.
The Patent Office Journal 09/06/2006 10847