Electromagnetically controlled measuring apparatus for the volum

Details Electromagnetically controlled measuring apparatus for the volum Electromagnetically controlled measuring apparatus for the volum

1998-07-13

2000-09-26

Williams, Hezron

Measuring and testing

Internal combustion engine or related engine system or...

Compression

32420718, 731181, 123617, 701103, G01M 1500

Patent

active

06122958&

ABSTRACT:
The invention relates to an electromagnetically controlled measuring apparatus for the volumetric measurement of the quantity of fuel injected by a fuel injection pump that has a displacement transducer which is surrounded by cooling chambers. The apparatus also includes a differential coil pair and a magnetically conductive core, which can be guided axially therein. The coil and the conductive core constitute part of a lifting rod connected to a measuring piston, with a coil carrier and a housing surrounding the coil carrier. The magnetically conductive core consisting of a ferritic material and being firmly surrounded by a sleeve, which forms the lifting rod, is not magnetizable and is provided with a slot extending continuously in the longitudinal direction of the sleeve.

REFERENCES:
patent: 3108213 (1963-10-01), Golder et al.

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