Intake system construction for internal combustion engine and ma

Details Intake system construction for internal combustion engine and ma Intake system construction for internal combustion engine and ma

1998-01-27

1999-06-22

Wolfe, Willis R.

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

298884, 123306, 123308, 12318814, F01L 1300, F02B 3104

Patent

active

059135549

ABSTRACT:
An intake system construction according to the present invention for an internal combustion engine is provided with a combustion chamber formed with upper and lower extremities thereof defined by a cylinder head and a piston, an intake open end arranged for being opened or closed by an intake valve, an exhaust open end arranged for being opened or closed by an exhaust valve, an intake port formed extending upwardly from the intake open end so that a vertical swirl of inducted air is formed in the combustion chamber, and an exhaust port for discharging combustion gas from the combustion chamber. The intake port is formed wider in one of halves thereof located adjacent a reference plane, which contains a central axis of a cylinder, than in the other half thereof located remote from the reference plane. The intake port is provided at a lower extremity thereof in the one half thereof with a raised portion for guiding an inducted air flow in the intake port toward an inner peripheral surface of a side wall of the cylinder.

REFERENCES:
patent: 4805569 (1989-02-01), Suzumura et al.
patent: 5195488 (1993-03-01), Rattigan
patent: 5305720 (1994-04-01), Ando et al.
patent: 5558061 (1996-09-01), Suminiski
patent: 5605123 (1997-02-01), Ohmura et al.
patent: 5836284 (1998-11-01), Oda et al.

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