Magnetic field producing device for determining the concentratio

Details Magnetic field producing device for determining the concentratio Magnetic field producing device for determining the concentratio

1986-12-18

1989-02-28

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Fluid material examination

73 27A, G01N 2774, G01R 3312

Patent

active

048089222

ABSTRACT:
A device for the determination of the concentration of substances with paramagnetic properties, particularly oxygen, in substance mixtures comprises a cell assembly divided into several chambers, which is arranged to revolve with relation to a service for producing a magnetic field penetrating the cell assembly, and a coil assembly associated with this assembly for the conversion of the magnetic induction produced in it by the paramagnetic substance into an electrical signal. The assembly of devices producing magnetic fields and their associated measuring field coils is unaffected by external interferences such as transfer of mechanical vibrations or influences of external magnetic fields. For this purpose, at least four or more, even number of devices producing magnetic fields with their respective measuring field coils are arranged on both sides of the cell assembly and symmetrically to the axis of rotation, on a common housing, and the magnetizing polarity of the devices is combined with the magnetizing polarity of their respective measuring field coils in alternating orientation.

REFERENCES:
patent: 2467211 (1949-04-01), Hornfeck
patent: 2689332 (1954-09-01), Greene
patent: 2903883 (1959-09-01), Luft
patent: 3539913 (1970-11-01), Prival

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