Patent · US Active

Hydraulic valve

US10107411B2 · kind B2 · utility

0Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 22, 2016
Grant dateOct 23, 2018
Priority date
Expiry dateJun 22, 2036

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16K27/041
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A hydraulic valve including a valve bushing; a valve piston that is axially moveable in the valve bushing along a longitudinal axis of the valve bushing; a supply connection configured to feed a hydraulic fluid; at least one operating connection; and at least one tank drain configured to drain the hydraulic fluid, wherein the valve piston is movable by an electromagnetic actuator of the hydraulic valve and the valve bushing forms a hydraulic portion and the actuator forms a magnetic portion of the hydraulic valve, characterized in that a seal element is arranged in the valve bushing which seal element provides a spatial separation of the magnet portion and the hydraulic portion, and wherein the seal element is penetrated by an end of the valve piston configured as a piston plunger.

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