Powerplant and related control system and method
US11022030B2 · kind B2 · utility
0Cited by
37References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 26, 2018 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Nov 26, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A hydrogen fueled powerplant including an internal combustion engine that drives a motor-generator, and has a two-stage turbocharger, for an aircraft. A control system controls the operation of the motor-generator to maintain the engine at a speed selected based on controlling the engine equivalence ratio. The control system controls an afterburner, an intercooler and an aftercooler to maximize powerplant efficiency. The afterburner also adds power to the turbochargers during high-altitude restarts. The turbochargers also include motor-generators that extract excess power from the exhaust.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.