Patent · US Expired

Component assembly of several directional control valves adapted to be shifted electromagnetically independently of one another

US4830054A · kind A · utility

15Cited by
4References
19Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 27, 1988
Grant dateMay 16, 1989
Priority date
Expiry dateMay 27, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87885
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A component group of electromagnetically shiftable directional control valves which can be installed in a simple manner includes 2/2- and 3/2-directional control valves preassembled on an electrical printed circuit board and secured in common with the printed circuit board by plugging-in the directional control valves into plug-in receptacles of a base element and by fastening a cover at the base element in the housing formed by the base element and the cover; a pneumatic main channel extends between the base element and the cover which is in fluidic communication with several directional control valves and which is tightly closed off by fastening the cover at the base element.

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