CYLINDER INJECTION TYPE SPARK IGNITION INTERNAL COMBUSTION ENGINE

Title:

CYLINDER INJECTION TYPE SPARK IGNITION INTERNAL COMBUSTION ENGINE

Document Type and Number:

Japanese Patent JP2004176604

Kind Code:

A

Abstract:

To securely contact combustible air-fuel mixture with an ignition plug at ignition timing, irrespective of an engine speed, in a cylinder injection type spark ignition internal combustion engine that leads injecting fuel to the proximity to the ignition plug using a tumble flow during stratified charge combustion.

A fuel injection device 7 injects fuel in order to collide the fuel with the tumble flow T in the upstream side of the ignition plug 6 in a low engine speed side region during the stratified charge combustion. In a high engine speed side region during the stratified charge combustion, the fuel injection device 7 injects the fuel in order to collide the fuel with the tumble flow T in the further upstream side of the ignition plug 6 in the low engine speed side region.

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Inventors:

HATTORI FUMIAKI
TOMOTA AKITOSHI
KAWACHI MASATO

Application Number:

JP2002342586A

Publication Date:

June 24, 2004

Filing Date:

November 26, 2002

Export Citation:

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Assignee:

TOYOTA MOTOR CORP

International Classes:

F02B17/00; F02B23/10; F02B31/00; F02B31/02; F02D13/02; F02D41/02; F02D41/04; F02D45/00; F02M61/18; (IPC1-7): F02D41/02; F02B17/00; F02B23/10; F02B31/00; F02B31/02; F02D13/02; F02D41/04; F02D45/00; F02M61/18

Attorney, Agent or Firm:

Takashi Ishida
Jun Tsuruta
Masaya Nishiyama

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