Encased medical gear pump - has pump wheel driven electromagnetically by stationary coil and rotating magnet on pump shaft

摘要

The pump has an enclosed pumping section and a drive section containing a drive device (7) for the pump device. The drive device has an electromagnetic coil (8) enclosed by a two-part stator (9) made of soft-magnetic mateial. The coil is supplied with an ac voltage. Two coils may be enclosed by one stator and combined with an inner magnet of double width. The pumps (2) shaft (3) has a magnet (6) detached to its projecting end. This magnet rotates inside a pot-shaped casing (5) around which is the coil. USE - For medicine.