Direct injection spark ignition engine

Details Direct injection spark ignition engine Direct injection spark ignition engine

1998-07-15

1999-12-21

Kwon, John

Internal-combustion engines

Combustion chamber means having fuel injection only

Injection of fuel onto igniter, deflector, heater, or atomizer

123301, F02B 300

Patent

active

060034882

ABSTRACT:
An internal combustion engine has a piston reciprocable in a cylinder toward and away from a combustion chamber. An intake valve admits air into the combustion chamber. An exhaust valve discharges products of combustion from the combustion chamber. A fuel injector is positioned to direct a plume of fuel into the combustion chamber along a path and in a direction to impinge upon the exhaust valve. The piston has an end face formed with a concave recess or pocket adjacent the exhaust valve. The exhaust valve is constructed and arranged to deflect fuel impinging thereon into the recess. The recess being shaped to redirect fuel back toward the path of the plume of fuel.

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