Housings for inductive proximity sensors
US10523199B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Dec 20, 2011 |
| Grant date | Dec 31, 2019 |
| Priority date | — |
| Expiry date | Aug 26, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/9505
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Inductive Proximity Sensors are non-contact sensing devices used in manufacturing processes to sense metal targets. In practice, it is common for objects to contact the sensor causing the sensor to malfunction. An inductive sensor with improved durability is required. An inductive proximity sensor includes an exterior housing, an interior sensing coil and electronic circuit, and a connector. The Exterior housing is produced from one piece of metal bar, bored from one end to the tip of the other end, leaving the cylindrical tube open only on one end. The Exterior Housing is produced with an Inside Dimension that is smaller than previous proximity sensors and places the coil and electronic circuit further away from the Outside Dimension of the Exterior Housing. The interior sensing coil and electronic circuit are protected by the thick casing of the Exterior housing to improve structural rigidity and the longevity of operation in manufacturing processes. The design of the Exterior Housing has the ability to withstand extreme shear forces from contact abuse.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.