Patent · US Expired

Power distributed 2-range transmission

US6949045B2 · kind B2 · utility

37Cited by

8References

3Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Jürgen Wafzig · Bermatingen, DE
Bernhard Sich · Friedrichshafen, DE
Gerhard Gumpoltsberger · Friedrichshafen, DE

Key dates

Filing date	Oct 6, 2003
Grant date	Sep 27, 2005
Priority date	—
Expiry date	Oct 6, 2023

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2037/0886
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A power distributed 2-range transmission comprising one frictional wheel variator (1), one planetary gear (2) arranged coaxially to the frictional wheel variator (1), detachably connectable therewith via one shifting element (K2) and comprising two shifting elements (Kr, K1) and one lateral shaft (9) which connects the frictional wheel variator (1) with the planetary gear (2), the planetary gear (2) containing two minus planetary gear sets (3, 4).

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