Combustion chamber of internal combustion engine

Details Combustion chamber of internal combustion engine Combustion chamber of internal combustion engine

1989-11-20

1990-08-28

Dolinar, Andrew M.

Internal-combustion engines

Combustion chamber

123193H, 123661, F02B 2300

Patent

active

049516426

ABSTRACT:
A combustion chamber structure including a cylinder head having a bottom surface for defining an upper portion of a combustion chamber, a piston having a top surface for defining a lower portion of the combustion chamber, an intake recess formed in the cylinder head for an intake port of the combustion chamber to define a part the chamber, an exhaust recess formed in the cylinder head for an exhaust port to define a part of the chamber. The intake recess is smaller than the exhaust recess in volume. An extended wall portion is formed at a boundary portion between the intake and exhaust recess in the cylinder head to extend along the intake port and project into the exhaust recess. An ignition plug is arranged in the vicinity of a tip end of the extended wall portion. A compact structure of the combustion chamber can be obtained with an improved combustion property.

REFERENCES:
patent: 3144008 (1964-08-01), List
patent: 3766900 (1973-10-01), Aiti
patent: 4259933 (1981-04-01), Nakanishi et al.
patent: 4543931 (1985-10-01), Hitomi et al.

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