Engine tuned for hybrid electric and continuously variable transmission applications
US7487757B2 · kind B2 · utility
4Cited by
26References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2004 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | Jan 7, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/62
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An engine tuned for use with a hybrid engine or CVT has a relatively narrow torque curve that is roughly centered at the engine's rated speed, with less than 50% of the maximum torque provided throughout 80% of the range of engine speeds. The relatively narrow torque peak permits a variety of optimizations that improve fuel economy and reduce emissions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.