Coil apparatus of an oscillation sensor of a measuring transducer, measuring transducer of a measuring device and measuring device
US11953359B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2019 |
| Grant date | Apr 9, 2024 |
| Priority date | — |
| Expiry date | Jan 2, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2027/2809
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a coil apparatus of an oscillation sensor or exciter of a measuring transducer or a measuring device for measuring a density or mass flow of a medium flowing through a measuring tube of the measuring transducer or measuring device, comprising: a circuit board having a circuit board layer, at least one coil registering or producing a time varying magnetic field, wherein the coil has a winding region and a central region lacking turns of a winding, wherein the central region of a coil has a rectangular shape with oppositely lying, first sides and with oppositely lying, second sides, wherein the first sides have a first side length, and wherein the second sides have a second side length, wherein the electrically conductive trace has a trace breadth of at least 30 micrometer, wherein a ratio of first side length to second side length is greater than 3.25.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.