Arrangement for the determination of the injection progress in a

Details Arrangement for the determination of the injection progress in a Arrangement for the determination of the injection progress in a

1988-03-11

1989-06-20

Myracle, Jerry W.

Measuring and testing

Internal combustion engine or related engine system or...

Compression

36443105, G01M 1500

Patent

active

048400602

ABSTRACT:
A arrangement for determining the injection course in an internal combustion engine in which the injection development could not be used heretofore in practice as guide magnitude in the engine control because no stationary measuring sensors are available for the pressure in the injection valve and a through-flow measurement at the feed line to the injection valve is very inaccurate by reason of the occurrence of gas, respectively, vapor bubbles. According to the present invention, the pressure in the injection valve, respectively, the quantity or the flow of the occurring injection medium is derived by a computer from signals of measurement transmitters which determine the stroke of the closure element of the injection valve and the pressure in the feed line to the injection valve or the force with which the closure element of the injection valve abuts in its open end position at an abutment.

REFERENCES:
patent: 4438496 (1984-03-01), Ohie

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