Fluidic displacement sensor with linear output
US4724701A · kind A · utility
5Cited by
6References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 11, 1987 |
| Grant date | Feb 16, 1988 |
| Priority date | — |
| Expiry date | Feb 11, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B13/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An improved fluidic position sensor employs a housing having an axially aned conduit and output orifice for discharging a jet of fluid. A sensing orifice is positioned adjacent to the output orifice for responding to a negative pressure entrainment area created by the discharged jet. The sensor measures the distance it is from an object by detecting changes in negative pressure at the sensing orifice. A standoff protrudes from the sensor at a distance to keep the sensor operating in substantially a linear range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.