Piston pump for use in everyday life, particularly for irregular pumping of small quantities of liquid, comprises cylinder with piston, that is in cavity of cylinder and pump also has drive of piston
摘要
<p>The piston pump comprises a cylinder (1) with a piston (2) that is in the cavity of the cylinder. The pump also has a drive of the piston and an arrangement is provided for admitting the over pumping medium in the over piston area. A part of the piston is a permanent magnet. The axis of the permanent magnet is parallel to the axis of the piston, and the piston drives is designed as an electromagnet for operating with permanent magnet.</p>
