Title:
PISTON HEAD FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO2004042218
Kind Code:
A3
Abstract:
A piston for an internal combustion engine of the high compression type, the piston having a body member defined by a cylindrical side wall and a lower end with means for connection to a piston rod and an upper end defining the piston head, the piston head having an upstanding spherical section portion having a diameter less than the diameter of the piston, the spherical section portion being flared outwardly and upwardly to the circumferential periphery of the piston head so as to form an annular U-shaped trough about said spherical section portion and an annular crest about said annular trough, the annular crest terminating at and defining the circumferential periphery of the piston head coincidental with the cylindrical side wall of the piston.
Inventors:
COATES GEORGE J (US)
Application Number:
PCT/US2003/034097
Publication Date:
September 30, 2004
Filing Date:
October 24, 2003
Export Citation:
Assignee:
COATES GEORGE J (US)
International Classes:
F02B23/06; F02F3/28; F02B3/06; (IPC1-7): F02F1/00
Foreign References:
| US5653204A | 1997-08-05 | |||
| US4128092A | 1978-12-05 | |||
| US4333426A | 1982-06-08 | |||
| US4060059A | 1977-11-29 | |||
| US5179916A | 1993-01-19 |
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