Non-oleic triglyceride based, low viscosity, high flash point dielectric fluids
US9607730B2 · kind B2 · utility
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Key dates
| Filing date | Sep 17, 2013 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | Sep 17, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23V2250/188
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vegetable-based dielectric fluid comprising in weight percent of triglycerides based on the weight of the fluid: A. Greater than 0 to 100% of at least one of C14:1 or C16:1 fatty acids; and at least one of: B. No more than (≦) 10% of C18:1 fatty acids; C. No more than (≦) 12% of one or more polyunsaturated fatty acids; and D. No more than (≦) 7% of one or more saturated fatty acids. The dielectric fluid is a useful transformer oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.