Patent · US Expired

Method for retrofitting a swing damping valve circuit to a work vehicle

US6640409B2 · kind B2 · utility

5Cited by
10References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 25, 2001
Grant dateNov 4, 2003
Priority date
Expiry dateDec 21, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49716
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A method for retrofitting a swing damping circuit to a work vehicle such as a backhoe includes disconnecting a boom swing valve from a boom swing cylinder, and coupling the swing damping circuit to the boom swing valve. Alternatively, it may include replacing a boom swing valve with a combined boom swing valve and swing damping circuit that form a unitary valve body.

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