Patent · US Active

Multi-speed gearbox

US7582040B2 · kind B2 · utility

12Cited by

5References

33Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Michael Kamm · Bodnegg, DE
Gabor Diosi · Friedrichshafen, DE
Josef Haupt · Tettnang, DE
Gerhard Gumpoltsberger · Friedrichshafen, DE
Peter Ziemer · Tettnang, DE
Martin Brehmer · Tettnang, DE

Key dates

Filing date	Mar 12, 2007
Grant date	Sep 1, 2009
Priority date	—
Expiry date	Apr 25, 2028

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2200/2043
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An eight-gear gearbox comprises an input shaft, an output shaft, four planetary gear sets, eight rotatable shafts and five shifting elements.

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