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Rotary piston pump

Summary

The novel rotary piston pump operates with permanent magnets, which are arranged at the vertices of a piston rotor. In the pump housing coils are arranged, which generate a rotating magnetic field with which the piston rotor is driven. As a result, a seal-free drive is realized, which dispenses with the components eccentric and gear transmission.

Technology Benefits

Seal-free design
Long service life

Technology Application

Hermetic tightness over the life of the product and bypass interactions between the fluid and the seals. Due to the elimination of the sealing joints, the new technology is particularly suitable for use as a blood pump.

Detailed Technology Description

The new rotary piston pump works with permanent magnets arranged at the corner points of the piston rotor. In the pump housing, coils are arranged which generate a rotating magnetic field which in turn drives the piston rotor. This results in a seal-free drive that does not require the eccentric or gear drive components.

Type of Cooperation

Licensing

Application Date

23/07/2014 00:00:00

Application No.

DE20141010745 20140723

Classes

- international:
F04C15/00; F04C2/22

- cooperative:

A61M1/1029; A61M1/1036; A61M1/1081; F04C15/0069; F04C15/008; F04C2/22; A61M1/1055; F04C2210/1016; F04C2240/10

Others

Patent application

ID No.

4064

Country/Region

Germany

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