Universal sensor probe with adjustable members configured to fit between a plurality of slot openings of varying widths
US7466126B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2004 |
| Grant date | Dec 16, 2008 |
| Priority date | — |
| Expiry date | Feb 23, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/346
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An aspect of the invention is directed to a variable sensor head for use in multiple electric machines with varying slot openings comprising a ferromagnetic core; a first adjustable portion and a second adjustable portion positioned in communication with the ferromagnetic core wherein the first adjustable portion and the second adjustable portion are adjusted to fit between a plurality of slot openings of varying widths between a pair of lamination teeth of an electric machine. According to another embodiment, the first and second adjustable portions are sliding portions where the sliding portions may be spring biased to provide a close fit between the pair of lamination teeth. According to another embodiment, the first and second adjustable portions are adjustable screws. According to another embodiment, the first adjustable portion is a plurality of nested steel sheets providing a spring biased tension and the second adjustable portion is in communication with the plurality of nested steel sheets for contacting one of the pair of lamination teeth. According to another embodiment, a ferromagnetic core comprises an adjustable portion including a plurality of corrugated laminations …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.