Fluid particle sensor including a container, a first coil and a

Details Fluid particle sensor including a container, a first coil and a Fluid particle sensor including a container, a first coil and a

1994-11-14

1996-03-26

O'Shea, Sandra L.

Electricity: measuring and testing

Magnetic

Fluid material examination

340631, G01N 2774, G08B 1712

Patent

active

055023789

ABSTRACT:
In one aspect of the present invention, a sensor detects particles within a fluid. The sensor includes a housing that defines a cavity. A magnet is disposed adjacent the cavity bottom to attract particles into the cavity. A first coil is wound about the outer surface of the cavity. The induction of the first coil is responsive to the particle accumulation within the cavity. A second coil is wound about the magnet. The induction of the second coil is responsive to the temperature of the fluid and independent to the particle accumulation within the cavity.

REFERENCES:
patent: 4195260 (1980-03-01), Sakamoto
patent: 5118410 (1992-06-01), Rumberger
patent: 5179346 (1993-01-01), McGee et al.

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