Pumps – Motor driven – Pump within rotary working member
Patent
1992-02-25
1993-06-15
Bertsch, Richard A.
Pumps
Motor driven
Pump within rotary working member
4174237, F04B 1700, F04B 3504
Patent
active
052192768
ABSTRACT:
This invention relates to a pump (1) which is, in particular, constructed as an enclosed medical pump. To achieve an especially compact design, a pump section (6) which is connected to a rotor (5) of an electromagnetic drive means (2) for torque transmission is arranged inside said rotor (5) having a hollow interior.
REFERENCES:
patent: 2711286 (1955-06-01), McAdam
patent: 2761078 (1956-08-01), McAdam
patent: 2871793 (1959-02-01), Michie et al.
patent: 4688998 (1987-08-01), Olsen et al.
patent: 4779614 (1988-10-01), Moise
patent: 4957504 (1990-09-01), Chardack
Metzner Dieter
Prinz Martin
Raimond Walter
Rolle Jurgen
Basichas Alfred
Bertsch Richard A.
Fresenius AG
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