Rotor for variable valve timing system and VVT system comprising the rotor
US9255499B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2013 |
| Grant date | Feb 9, 2016 |
| Priority date | — |
| Expiry date | Apr 26, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2301/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention relates to rotor body for a variable valve timing system, comprising a main body comprising a front side, a back side and vanes tips, made from a fibrous reinforced polymeric material, a central part comprising an (axial) bore hole made of metal, and sealing elements made of a non-reinforced polymeric material at the vain tips and at the front side and back side. The invention also relates to a variable valve timing system comprising an assembly of a rotor and a stator receiving the rotor on a camshaft, wherein the rotor is a rotor body as described above, wherein an end part of the camshaft and/or a fixing element is received in the bore hole and the rotor is fixed at the end part of the camshaft with the fixing element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.