Variable valve mechanism
US10041383B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2016 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Mar 18, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2305/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A variable valve mechanism includes a first cam unit including cams configured to drive an intake valve on a first side in a first cylinder; a first sliding mechanism configured to slide the first cam unit such that the first cam unit is switched between two positions to select any one of the cams; a second cam unit including cams configured to drive an intake valve on a second side in the first cylinder, cams configured to drive an intake valve on the first side in a second cylinder, and cams configured to drive an intake valve on the second side in the second cylinder; and a second sliding mechanism configured to slide the second cam unit such that the second cam unit is switched among three positions to select any one of the cams for each of the intake valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.