The effect of working air gap on the deviation between the tested electromagnetic force of electromagnet with variable pole area and the tested electromagnetic force of planar pole electromagnet.

The effect of working air gap on the deviation between the tested electromagnetic force of electromagnet with variable pole area and the tested electromagnetic force of planar pole electromagnet.</p

The effect of working air gap on the tested electromagnetic forces of electromagnet with variable pole area and planar pole electromagnet.

The effect of working air gap on the tested electromagnetic forces of electromagnet with variable pole area and planar pole electromagnet.</p

The parameters of electromagnet prototype with variable pole area.

The parameters of electromagnet prototype with variable pole area.</p

Comparison of the electromagnetic force between the calculations results with the experimental results at different working air gap between the outer armature and the iron core.

Comparison of the electromagnetic force between the calculations results with the experimental results at different working air gap between the outer armature and the iron core.</p

Equivalent magnetic circuit of electromagnet with variable pole area.

Equivalent magnetic circuit of electromagnet with variable pole area.</p

Comparison of the electromagnetic force between the calculations results with the experimental results at different working air gap between the outer armature and the iron core.

Comparison of the electromagnetic force between the calculations results with the experimental results at different working air gap between the outer armature and the iron core.</p

Fig 3 -

The experimental equipment (A) Schematic graph: 1-frame; 2-adjusting handwheel; 3-unfixed joint; 4-tension sensor; 5-displacement sensor (B) Photo.</p

The influence of working air gap on the deviation between the tested electromagnetic force of electromagnet with variable pole area and the tested electromagnetic force of planar pole electromagnet.

The influence of working air gap on the deviation between the tested electromagnetic force of electromagnet with variable pole area and the tested electromagnetic force of planar pole electromagnet.</p

Cross-sectional scheme of electromagnetic diaphragm pump with electromagnet with variable pole area.

1- pump body; 2-single-direction valve; 3-diaphragm; 4-spring; 5-electromagnetic coil; 6-ejector pin; 7-the iron core; 8-magnetic isolation ring; 9-the inner armature; 10-the outer armature; 11-sleeve.</p

The effect of working air gap on the tested electromagnetic forces of electromagnet with variable pole area and planar pole electromagnet.

The effect of working air gap on the tested electromagnetic forces of electromagnet with variable pole area and planar pole electromagnet.</p