Safety device for a pump for installation in lines for liquids,

Details Safety device for a pump for installation in lines for liquids, Safety device for a pump for installation in lines for liquids,

1995-04-07

1997-07-29

Koczo, Michael

Pumps

Condition responsive control of pump drive motor

Single motor control element responsive to means sensing...

417 43, 73714, 7386177, 2221291, F04B 4900

Patent

active

056516630

ABSTRACT:
In order to create a safety device (1) by means of which reliable protection of the pump can be achieved as simply as possible, it is proposed that safety device (1) have a housing (4) provided with an inlet (5) and an outlet, inside which housing a first detection device with a transmitter element in the form of an impeller (7) provided with measuring blades (9) and a central part (10) are provided to determine the liquid throughput and a second detection device (24) in the form of a probe for detecting the liquid, both of which are connected with a control device for the pump.

REFERENCES:
patent: 2462019 (1949-02-01), Bowman
patent: 4172381 (1979-10-01), Aigner
patent: 4306457 (1981-12-01), Fukui et al.
patent: 4345480 (1982-08-01), Basham et al.
patent: 4848164 (1989-07-01), Quarve et al.
patent: 5447062 (1995-09-01), Kopl et al.

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