Electrodynamic transmission and a centrifugal pump with a...

Details Electrodynamic transmission and a centrifugal pump with a... Electrodynamic transmission and a centrifugal pump with a...

1999-04-22

2001-04-17

Freay, Charles G. (Department: 3746)

Pumps

Motor driven

Electric or magnetic motor

C310S266000, C310S106000, C310S103000, C310S105000

Reexamination Certificate

active

06217298

ABSTRACT:

BACKGROUND OF THE INVENTION
The invention relates to an electrodynamic transmission and to a centrifugal pump with a transmission of this kind.
The object of the invention is to provide an electrodynamic transmission which is simply constructed.
SUMMARY OF THE INVENTION
The advantages which can be achieved with the invention are substantially to be seen wherein no external electrical auxiliary or control energy is required and wherein the transmission can be driven in different ways.


REFERENCES:
patent: 1476458 (1923-12-01), Murray
patent: 2594931 (1952-04-01), Jaeschke
patent: 3645650 (1972-02-01), Laing
patent: 4065234 (1977-12-01), Yoshiyuki et al.
patent: 5501582 (1996-03-01), Gautier et al.
patent: 5554903 (1996-09-01), Takara
patent: 5606210 (1997-02-01), Lin
patent: 840411 (1952-06-01), None
patent: 973739 (1960-05-01), None
patent: 2819793 (1978-11-01), None
patent: 19631824A1 (1998-02-01), None
patent: 403689 (1945-10-01), None

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