Patent · US Active

Tappet

US8863716B2 · kind B2 · utility

16Cited by

3References

7Claims

0Family size

Assignee

Schaeffler Technologies AG & Co. KG · DE

Inventors

Stefan Dorn · Hollfeld, DE
Norbert Geyer · Hochstädt, DE
Karsten Kucht · Herzogenaurach, DE

Key dates

Filing date	May 16, 2011
Grant date	Oct 21, 2014
Priority date	—
Expiry date	May 25, 2031

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M59/44
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a tappet (1) for a high-pressure fuel pump or for a valve drive of an internal combustion engine, comprising a housing (2) which has a cam run-on surface (4) on the drive side (3) thereof, wherein an output side (5) of the housing (2) rests on a lower face (6) of a bridge piece (8) that projects through an inner shell (7) of the housing (2), wherein an anti-turn lug (11) protrudes from the outer shell (10) of the housing (2) and is arranged in a window (9) in the latter, wherein said lug is substantially present as an upright body similar to a semi-cylinder in the region thereof protruding from the housing (2), and the outer surface (15) of said lug, in cross section, results in an ogival curve made up of two or more circular arcs (16).

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