Oil pressure failure protection device for internal combustion e

Details Oil pressure failure protection device for internal combustion e Oil pressure failure protection device for internal combustion e

1977-11-14

1979-01-30

Lazarus, Ira S.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123118, 123148S, 1231465C, F02B 7708

Patent

active

041366603

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 to an engine rpm sensor which provides a voltage analog of engine speed. 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 rpm sensor provides enough voltage to the SCR gate, the SCR will fire and short the ignition.

REFERENCES:
patent: 3601103 (1971-08-01), Swiden
patent: 3884203 (1975-05-01), Cliffgard
patent: 3916865 (1975-11-01), Kiencke et al.
patent: 3960128 (1976-06-01), Anderson et al.
patent: 3964461 (1976-06-01), Wesemeyer et al.
patent: 4023549 (1977-05-01), Hewitt

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