Apparatus and method for using fuel pressure to trigger an injec

Details Apparatus and method for using fuel pressure to trigger an injec Apparatus and method for using fuel pressure to trigger an injec

1977-12-27

1978-12-19

Myracle, Jerry W.

Measuring and testing

Internal combustion engine or related engine system or...

Compression

G01M 1500

Patent

active

041300130

ABSTRACT:
A strain gauge transducer device externally mounted on a fuel line leading to a diesel engine and a circuit for developing engine timing signals from the transducer device output. The circuit includes a peak voltage detector to detect a peak signal from the transducer device output and a scaling potentiometer which attenuates the peak signal by a preset percentage to a level corresponding to the desired fuel pressure. A comparator compares the attenuated signal to the transducer device output and produces a timing signal when the latter is equal to or exceeds the former.

REFERENCES:
patent: 3698249 (1972-10-01), Weaver
patent: 3898885 (1975-08-01), Russell

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