Patent · US Expired

Controlled flow hydraulic system

US4625513A · kind A · utility

19Cited by
2References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 28, 1983
Grant dateDec 2, 1986
Priority date
Expiry dateMar 28, 2003

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF15B13/01
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

In the hydraulic system disclosed herein, a flow matching device is employed to implement a system in which filling, emptying and holding of a variable volume load, such as a hydraulic piston, may be accomplished at controlled flow rate by a hydraulic circuit including a flow matching control valve.

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