Patent · US Expired

Ripple reducing device

US6116872A · kind A · utility

2Cited by
12References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 1998
Grant dateSep 12, 2000
Priority date
Expiry dateNov 30, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86043
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A ripple reducing device of the present invention for reducing ripple of oil flowing through a hydraulic line includes a closed line that diverges from the hydraulic line and is closed at a terminal end thereof, and at least one restrictor that divided the interior of the closed line into a plurality of sections, between a branch point at which the closed line diverges from the hydraulic line, and the terminal end of the closed line.

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