Patent · US Active

Roller tappet

US8607754B2 · kind B2 · utility

5Cited by

1References

21Claims

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	Oct 14, 2010
Grant date	Dec 17, 2013
Priority date	—
Expiry date	Nov 4, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2307/00
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention concerns a roller tappet (1) for a high pressure fuel pump, said roller tappet (1) comprising a housing (2) comprising on a drive side front end (3), a slide-mounted roller (4) serving as a running surface of a cam, said housing (2), as viewed in housing direction, comprising a bridge member (5) arranged below the roller (4), said bridge member (5) comprising on a front end (7) turned towards a driven side front end (6) of the housing (2), a support (8) for a tappet follower member, wherein a shell member (11) like a semi shell or a one-third shell separated out of a rolling bearing ring is seated in a cylindrical cavity (9) of a further drive side front end (10) of the bridge member (5), and the roller (4) extends for sliding displacement directly in said shell member (11).

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