Apparatus for controlling energization of glow plugs

Internal-combustion engines – Starting device – For airplane

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Details

123145A, 123179BG, 219483, F02P 1902

Patent

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045122970

ABSTRACT:
An apparatus for controlling energization of quick-heating glow plugs in an internal combustion engine comprises a power supply, a main relay having a normally open contact, a transfer-type changeover terminal having a neutral terminal, a normally closed terminal connected to ground, and a normally open contact connected to the power supply, a plurality of pairs of glow plugs, the glow plugs having one terminals connected through the normally open contact to the power supply, the glow plugs in each pair having one of other terminals grounded and the other terminal connected to the neutral contact, and a control circuit for controlling the main and changeover relays to connect the glow plugs in each pair selectively in series or parallel to each other with respect to the power supply.

REFERENCES:
patent: 4285307 (1981-08-01), Steinke
patent: 4375205 (1983-03-01), Green

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