219-1040 method for driving inductive peak and hold loads at reduced power
US11476028B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Jan 8, 2021 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | May 15, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2007/1888
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Methods and systems are provided for a solenoid actuator. In one example, a method may include adjusting a switching frequency during an activation cycle of the solenoid actuator to a lower switching frequency relative to other phases of the activation cycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.