Internal-combustion engines – Spark ignition timing control – Electronic control
Patent
1980-07-22
1982-04-20
Argenbright, Tony M.
Internal-combustion engines
Spark ignition timing control
Electronic control
123406, F02P 504
Patent
active
043253385
ABSTRACT:
An ignition timing controller for a supercharged internal combustion engine is mounted on a distributor housing and has a diaphragm responsive to variations in the pressure in the intake passage of the engine. The diaphragm carries a rod operatively connected at one end to an ignition signal generating means disposed in the distributor housing. When the pressure in the intake passage is increased beyond the atmospheric pressure level, the diaphragm is deformed in the ignition timing retarding direction against a compression coil spring, whereas when the pressure in the intake passage is decreased beyond the atmospheric pressure level, the diaphragm is deformed in the ignition timing advancing direction against another compression coil spring or springs. All the springs are disposed on the side of the diaphragm remote from the distributor housing whereby the strokes of the rod and the set loads of the springs on the diaphragm can be easily adjusted after the ignition timing controller is mounted on the distributor housing.
REFERENCES:
patent: 3601105 (1971-08-01), Cooksey
patent: 3612019 (1971-10-01), Okamoto et al.
patent: 4242996 (1981-01-01), Urbansky
Fujiwara Hiroshi
Kobayashi Kazutoshi
Miyo Shinichi
Argenbright Tony M.
Hitachi , Ltd.
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