Piston for an internal combustion engine

Details Piston for an internal combustion engine Piston for an internal combustion engine

2005-01-25

2005-01-25

McMahon, Marguerite (Department: 3747)

Internal-combustion engines

Particular piston and enclosing cylinder construction

Piston

Reexamination Certificate

active

06845741

ABSTRACT:
A piston for an internal combustion engine is provided. The engine has an intake port through which an intake air is introduced into the cylinder in a way as to produce a swirl that travels along while whirling about an axis transversal to an axis of the cylinder. The piston has at a crown face thereof a cavity that has a part-cylindrical bottom. The cavity has a longitudinal center axis extending obliquely to a crank axis so that the longitudinal center axis of the cavity nearly coincides with an axis along which the swirl travels within the cylinder.

REFERENCES:
patent: 6220215 (2001-04-01), Morimoto
patent: 6578547 (2003-06-01), Piock
patent: 6615789 (2003-09-01), Inoue et al.
patent: 2000-18041 (2000-01-01), None

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