Proximity sensing probe
US5449017A · kind A · utility
27Cited by
27References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 1995 |
| Grant date | Sep 12, 1995 |
| Priority date | — |
| Expiry date | Jan 18, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8158
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A capacitive proximity monitoring device for corrosive atmosphere environments comprising a capacitance field element or sensing element disposed in such a corrosive atmosphere environment and being made of conductive plastic resistant for such a corrosive atmosphere environment. The field element may be a functional part of a functional device that performs a function with respect to the presence of the liquid being sensed; and in some cases the field element is nonfunctional with respect to the liquid, but functional and sensing the capacitance and determining the presence or absence of liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.