Continuous variable valve duration apparatus and engine provided with the same
US9874119B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2015 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Mar 10, 2036 |
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 may include a camshaft mounted to a cylinder head, a plurality of wheels mounted to the camshaft, of which a wheel key is formed respectively, and disposed on each cylinder, a plurality of cam portions of which a cam and a cam key are formed respectively, of which the camshaft is inserted thereto, of which relative phase angles with respect to the camshaft are variable, and disposed on the each cylinder, a plurality of inner brackets connected with the each wheel key and the each cam key, a plurality of slider housings of which the each inner bracket is rotatably inserted thereto, and disposed movable up and down direction of an engine, a guide shaft connecting the plurality of slider housings and a control portion moving a position of the guide shaft for changing rotation centers of the inner brackets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.