Ignition timing control for a supercharged engine

Details Ignition timing control for a supercharged engine Ignition timing control for a supercharged engine

1985-05-28

1987-01-06

Hart, Douglas

Internal-combustion engines

Charge forming device

Supercharger

123406, 123432, 123564, F02B 3300, F02P 504

Patent

active

046338446

ABSTRACT:
A supercharged engine having a supercharger which is operated only when the engine load is greater than a predetermined value. An ignition timing control device is provided for determining a basic ignition timing in accordance with the engine operating condition. The basic ignition timing is retarded by a predetermined value when a supercharging signal is produced for commencing the supercharging, and is gradually advanced to the basic ignition timing in a predetermined time period.

REFERENCES:
patent: 2538377 (1951-01-01), Ostling
patent: 2559859 (1951-07-01), Elliott
patent: 4527534 (1985-07-01), Sakurai
patent: 4541381 (1985-09-01), Sugiura

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