Hydrogen fuelled hybrid powertrain and vehicle
US7608011B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2003 |
| Grant date | Oct 27, 2009 |
| Priority date | — |
| Expiry date | Sep 5, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hydrogen-powered hybrid powertrain system includes a hydrogen-fuelled internal combustion engine operating at a lean air/fuel mixture, and a supercharger for boosting a primary drive torque produced by the engine primarily over a high operating speed range. An electric motor/generator generates a secondary drive torque for the vehicle, such that the secondary drive torque complements the boosted primary drive torque over at least a low operating speed range of the powertrain. A disconnect clutch disposed between the engine and the motor/generator engages and disengages the engine from the motor/generator, and serves to transfer the boosted primary driver torque through the motor/generator and to a power transmission system. The input at the power transmission is thus a combination of the boosted primary drive torque and the secondary drive torque having an enhanced torque characteristic over at least the low operating speed range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.