Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Patent
1976-01-28
1977-10-18
Dority, Jr., Carroll B.
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
123148S, F02B 7700
Patent
active
040541177
ABSTRACT:
A device for slowing an internal combustion engine in the event of oil pressure failure at an engine speed above idle, includes an SCR with the gate thereof connected through a resistor to the field winding of the engine generator. The SCR is connected between an oil pressure sensing switch typically provided for the engine, and the ignition distributor points. Should the oil pressure switch close, indicating low oil pressure, and the engine is turning at sufficient speed so that the generator field provides enough voltage to the SCR gate, the SCR will fire and short the ignition.
REFERENCES:
patent: 3601103 (1971-08-01), Swiden
patent: 3726265 (1973-04-01), Howard
patent: 3884203 (1975-05-01), Cliffgard
patent: 3960128 (1976-06-01), Anderson et al.
patent: 3964461 (1976-06-01), Wesemeyer et al.
Bechard James R.
Palmer Howard J.
Dority Jr. Carroll B.
Lazarus Ira S.
Zimmerman Harris
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