Rotationally locked tappet of a valve timing mechanism
US8201532B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 6, 2007 |
| Grant date | Jun 19, 2012 |
| Priority date | — |
| Expiry date | Mar 2, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2307/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An anti-rotationally secured tappet of a valve drive of an internal combustion engine may include a bucket tappet including an external lateral surface. A floor and a skirt for may be arranged between a cam and a valve of the valve drive and guided in a receiving bore of a cylinder head. The skirt may include an internal lateral surface and the cylinder head may include a guide groove. A radially outward protruding anti-rotation component may be arranged in a recess of the skirt that glides in the guide groove of the cylinder head. Two spring arms may be included with the anti-rotation component and extend in a circumferential direction of the tappet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.