Patent · US Expired

Unloading system for hydraulic circuit

US5735305A · kind A · utility

1Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 11, 1996
Grant dateApr 7, 1998
Priority date
Expiry dateJun 11, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87185
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An unloading system including an unload valve draining a part of supplied pressurized fluid to a tank and a switching valve for draining a pressurized fluid for biasing the unload valve in a direction for reducing a flow rate of the fluid supplied to the tank. The unload valve and the switching valve are arranged in series in axial direction in a valve main body.

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