Fluid particle sensor including a container, a first coil and a second coil disposed about a magnet located adjacent the container for attracting the particles
US5502378A · kind A · utility
9Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 1994 |
| Grant date | Mar 26, 1996 |
| Priority date | — |
| Expiry date | Nov 14, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N15/0656
- WIPO fieldMeasurement
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.