Patent · US Active

Universal gear train

US7998016B2 · kind B2 · utility

14Cited by

17References

18Claims

0Family size

Assignee

Caterpillar Inc. · US

Inventors

Baojun Si · Dunlap, US
Barry Mei · Oswego, US
William H. Lane · Chillicothe, US
James S. Rice · Deer Creek, US

Key dates

Filing date	Dec 19, 2008
Grant date	Aug 16, 2011
Priority date	—
Expiry date	Oct 21, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S903/918
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A gear train includes a first planetary gear set including a first sun gear, a first ring gear, and a first carrier and a second planetary gear set including a second sun gear, a second ring gear, and second carrier. The gear train also includes a first clutch configured to selectively connect the first carrier with the second carrier and a second clutch configured to selectively connect the first sun gear with the second sun gear. The gear train also includes a first brake configured to selectively fix the first sun gear, a second brake configured to selectively fix the second sun gear, and a third brake configured to selectively fix the first carrier.

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