Dual spark plug ignition engine with EGR system

Details Dual spark plug ignition engine with EGR system Dual spark plug ignition engine with EGR system

1977-12-15

1980-04-22

Myhre, Charles J.

Internal-combustion engines

Igniters

Incandescent

123148C, 123148CE, 123119A, F02P 100

Patent

active

041989422

ABSTRACT:
A dual spark plug ignition engine is equipped with an EGR system. The two spark plugs in each combustion chamber are simultaneously energized to produce sparks to ignite the charge in the combustion chamber under a normal engine operating conditions, whereas the spark plugs are energized with a predetermined phase difference from each other under high power output engine operating conditions.

REFERENCES:
patent: 1901846 (1933-03-01), Klaiber
patent: 2465080 (1949-03-01), Fitzsimmons
patent: 3554092 (1971-01-01), Shibagaki
patent: 3716991 (1973-02-01), Tatsutomi et al.
patent: 3756210 (1973-09-01), Kuehl
patent: 3809042 (1974-05-01), Hosho et al.
patent: 3929115 (1975-12-01), Yamauti et al.
patent: 3935844 (1976-02-01), Nishimiya et al.
patent: 3964454 (1976-06-01), Nishimiya
patent: 4054114 (1977-10-01), Saita
patent: 4091615 (1978-05-01), Hayashi et al.

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