VIBRATION PUMP Russian patent published in 1999 - IPC

FIELD: lifting water in various industries. SUBSTANCE: four-pole magnetic circuit of pump has H-shaped form and is provided with two magnetically conducting strips located between two pairs of poles at level on them on side of armatures. Section of magnetically conducting strip is selected from the following relationship: , where Ф_max is maximum flux in magnetic circuit; Ф_air is flux in working air gap; B_s.in is saturation induction of strip material. EFFECT: increased productivity, enhanced efficiency, increased service life of pump. 6 dwg