System and method for deactivating engine cylinders
US11788480B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Apr 6, 2022 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Apr 6, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D2041/0012
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Systems and methods for determining which of an intake valve and an exhaust valve is to be deactivated first when an engine is operated in a variable displacement mode. In one example, an exhaust valve of the cylinder is deactivated before an intake valve of the cylinder when the engine is operated in a static variable displacement operating mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.