System and method for actuating engine valves including a recompression relief valve event
US12270322B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2024 |
| Grant date | Apr 8, 2025 |
| Priority date | — |
| Expiry date | Oct 4, 2044 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D13/0276
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A valve actuation system for actuating at least one of two or more engine valves in an internal combustion engine comprises at least one motion source including a first motion source configured to provide an exhaust main valve event. A valve train for conveying valve events from the at least one motion source to the two or more engine valves comprises a lost motion component for selectively conveying valve events to the at least one of the two or more engine valves. A phasing assembly is configured to advance a phase of at least the first motion source and the exhaust main valve event. The at least one motion source is configured to provide a recompression relief valve event to the at least one of the two or more engine valves when the phase of the exhaust main valve event is advanced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.