Spark ignited direct injection targeting for improved...

Details Spark ignited direct injection targeting for improved... Spark ignited direct injection targeting for improved...

2008-02-22

2009-08-11

Solis, Erick (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

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

C123S295000, C123S305000

Reexamination Certificate

active

07571708

ABSTRACT:
An engine assembly may include an engine block defining a cylinder bore, a piston disposed within the cylinder bore, and a spark ignited direct injection fuel system. The piston may be disposed within the cylinder bore and may be reciprocally displaceable from a first position to a second position during an intake stroke. The cylinder bore and the piston may partially define a combustion chamber. The spark ignited direct injection fuel system may include a fuel injector that provides a fuel flow to the combustion chamber during the intake stroke. The fuel flow may be directed toward an upper surface of the piston when the piston is in the first and the second positions.

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