| 摘要 |
An electromagnetic pump is provided, which includes a hollow tubular body extending along a longitudinal direction, a piston mounted so as to be able to move inside the hollow tubular body, a solenoid, supplied with alternating current and assembled around at least a portion of the body and a magnetic envelope surrounding at least a portion of the body. The presence of a magnet magnetised longitudinally in a predetermined direction and a magnetic envelope orienting and channelling flux lines created by the magnet either around the solenoid or directly inside themselves creates an oscillating magnetic force on the piston.
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