Method and apparatus for measuring the quantities of fuel inject

Details Method and apparatus for measuring the quantities of fuel inject Method and apparatus for measuring the quantities of fuel inject

1982-09-30

1984-07-24

Swisher, S. Clement

Measuring and testing

Internal combustion engine or related engine system or...

Compression

G01M 1500

Patent

active

044611692

ABSTRACT:
A method and apparatus is disclosed which enables quantities of fuel, successively injected from different injection nozzles into a measuring chamber which is bounded by a measuring piston, to be measured, even individually, without emptying this chamber between two successive injections by actuating a drain valve.
For this purpose, a unidirectional and stepwise displacement of the measuring piston--starting, in each case, from its final position following its last yielding movement--is detected by a precision position transmitter and is evaluated by an electronic recording instrument.
Measurements can be made quickly with respect to all the pump elements making up an injection pump, individually and successively, using only one measuring arrangement.

REFERENCES:
patent: 4171638 (1979-10-01), Coman et al.
patent: 4362052 (1982-12-01), Heath et al.
Thomas, Frank K., The Fuel Delivery Indicator (FDI), a Useful Device for the Development of Diesel Engines, ASME Publication, NY, 1975, pp. 1 to 7, No. 74-DGP-5.

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