Actuation system for an internal combustion engine
US12241390B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 24, 2024 |
| Grant date | Mar 4, 2025 |
| Priority date | — |
| Expiry date | Jan 24, 2044 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2820/041
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An internal combustion engine includes a camshaft operably adjusted by a phaser. Another aspect includes an internal combustion engine having an actuation system for an air valve. A further aspect provides a camshaft-in-camshaft system with a cam phaser located adjacent opposite ends. In another aspect, an internal combustion engine apparatus includes multiple nested camshafts with one of the camshafts having a cam configured to actuate an air intake valve associated with a turbulent jet ignition prechamber, and another of the camshafts having a cam configured to actuate an air valve of a main piston combustion chamber, the nested camshafts being independently rotatable by separate electromagnetic actuators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.