Patent · US Expired

Valve train of an internal combustion engine

US6615784B2 · kind B2 · utility

4Cited by

7References

2Claims

0Family size

Assignee

Ina Schaeffler KG · DE

Inventors

Christof Faria · Erlangen, DE
Oliver Schnell · Weisendorf, DE

Key dates

Filing date	Aug 29, 2002
Grant date	Sep 9, 2003
Priority date	—
Expiry date	Aug 29, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/2107
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In a valve train of an internal combustion engine, which valve train comprises an elongate anti-rotation bridge (6) comprising receptions spaced behind one another for receiving valve tappets configured as roller tappets (4), one of which tappets is arranged in each reception and is directed with a tappet roller (3) toward a cam (2) of a camshaft (1), the roller tappet (4) of the invention comprises on an outer peripheral surface, raised tappet contours (10, 11) that engage into retention grooves of the bridge (6) within the reception.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.