Patent · US Active

Multi step transmission

US8231501B2 · kind B2 · utility

91Cited by

16References

5Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Gerhard Gumpoltsberger · Friedrichshafen, DE
Christian Sibla · Friedrichshafen, DE
Stefan Beck · Eriskirch, DE
Josef Haupt · Tettnang, DE
Gert Bauknecht · Friedrichshafen, DE
Peter Ziemer · Tettnang, DE

Key dates

Filing date	Aug 19, 2010
Grant date	Jul 31, 2012
Priority date	—
Expiry date	Nov 24, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2200/2097
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A multi step transmission comprising gear sets, shafts and shift elements. The sun gear of set (P1) couples drive shaft (1). The carrier of set (P1) couples shaft (3) which couples, via brake (03), housing (G). Shaft (3) couples shaft (1), via clutch (13), and shaft (5) via clutch (35). Shaft (5) couples the ring and sun gears of sets (P2, P4) respectively, and shaft (8), which couples the sun gear of set (P3), via clutch (58). Shaft (1) couples shaft (7) which couples, via clutch (17), the carrier of set (P4). Shaft (6) couples the ring gear of set (P1) and the carrier of set (P2). The sun gear of set (P2) couples shaft (4) which couples, via brake (04), housing (G). The ring gear of set (P3) couples housing (G). Output shaft (2) couples the ring gear and carrier of sets (P4, P3) respectively.

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