Continuous variable valve duration apparatus and engine provided with the same
US9512748B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2014 |
| Grant date | Dec 6, 2016 |
| Priority date | — |
| Expiry date | Jul 1, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2013/0084
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A continuous variable valve duration apparatus includes a camshaft. A slider, which is mounted to the camshaft, has a camshaft sliding key and a cam portion of which a cam and a cam sliding key are formed thereto. The camshaft is inserted into the cam portion, and a relative phase between the cam and the camshaft is variable. A roller ring is connected with the camshaft sliding key and the cam sliding key. The roller ring is rotatably inserted into a roller ring guider, and the roller ring guider slidably inserted into a cylinder head. A control portion selectively changes a position of the roller ring guider to control a rotation center position of the roller ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.