FIELD: transfer of liquid and gaseous media; pumps and compressors with electromagnetic drives.
SUBSTANCE: proposed pump has housing in form of passage made from non-magnetic material with one or several blades of varying rigidity mounted inside it. Blade rigidity decreases from inlet to outlet. Starting part of blade has insert made from magnetic material and engageable with electromagnet. Leading edge of blades is secured to housing by ribs; end clearance between blade and housing is minimum. Under action of drive, blades of varying rigidity are set in wavy motion and working medium moves from inlet to outlet.
EFFECT: increased pressure head; enhanced economical efficiency.
2 cl, 3 dwg
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