Engine system and dual fuel vapor purging system with cylinder deactivation
US6820597B1 · kind B1 · utility
38Cited by
20References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2004 |
| Grant date | Nov 23, 2004 |
| Priority date | — |
| Expiry date | Mar 5, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M25/089
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such as fuel vapor purging, air-fuel ratio control, engine torque control, catalyst design, and exhaust system design.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.