Purge device for passive or active prechambers
US11773764B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 28, 2022 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Dec 28, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02F1/425
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A purge system includes a prechamber in fluid communication with a main chamber of an engine cylinder, and a port divider having a dividing wall that creates a plurality of passages within an intake port of the main chamber. The purge system further includes an outer tube fixed between a first passage of the port divider and the prechamber, and an inner tube rotatable within the outer tube. The outer tube includes apertures along a wall of the outer tube that fluidly connect the outer tube with the first passage of the port divider and with the prechamber. The inner tube includes slots along a wall of the inner tube that to fluidly connect the first passage of the port divider and the prechamber when the slots align with the apertures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.