In-cylinder injection internal combustion engine

Details In-cylinder injection internal combustion engine In-cylinder injection internal combustion engine

1996-11-27

1998-09-15

Dolinar, Andrew M.

Internal-combustion engines

Precombustion and main combustion chambers in series

Having volumetric relation between precombustion and main...

123260, 123262, 123276, 123295, 123305, F02B 1700, F02B 2308

Patent

active

058064826

ABSTRACT:
This invention relates to an in-cylinder injection internal combustion engine. A lower wall of a cylinder head, said lower wall defining an upper wall of a combustion chamber, is configured in the form of a pentroof composed of an intake-valve-side, tilted, lower wall and an exhaust-valve-side, tilted, lower wall. A spark plug is arranged in the vicinity of a top part of the pentroof-shaped upper wall of the combustion chamber. A top wall of a piston, said top wall forming a lower wall of the combustion chamber, is configured in the form of a pentroof having an intake-valve-side, tilted, top wall and an exhaust-valve-side, tilted, top wall formed so that they correspond the intake-valve-side, tilted, lower wall and the exhaust-valve-side, tilted, lower wall of the cylinder head. A recessed portion is arranged in the intake-valve-side, tilted, top wall in the top wall of the piston.

REFERENCES:
patent: 5140958 (1992-08-01), Kobayashi et al.
patent: 5170759 (1992-12-01), Ito
patent: 5553588 (1996-09-01), Gono et al.

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