Maintaining oil pressure during cylinder deactivation operation
US12264604B2 · kind B2 · utility
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1References
24Claims
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Assignee
Inventors
Key dates
| Filing date | Aug 9, 2022 |
| Grant date | Apr 1, 2025 |
| Priority date | — |
| Expiry date | May 6, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Systems, devices, and methods are disclosed that during cylinder deactivation, including skipfire, at low engines speeds and low engine loads maintain adequate oil pressure of valvetrain components or hardware required for CDA and/or skipfire operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.