×

Combined valve modular control panel

  • US 5,020,570 A
  • Filed: 08/17/1990
  • Issued: 06/04/1991
  • Est. Priority Date: 08/17/1990
  • Status: Expired due to Fees
First Claim
Patent Images

1. A modular control valve panel, comprising a plurality of at least two separable valve modules arranged end-to-end, each said valve module having a valve chamber therein, a supply module at one end of said plurality of valve modules, a bleed module at the other end of said plurality of valve modules, a supply passage having an inlet in said supply module and leading from said supply module through said valve modules into said bleed module, a bleed passage extending through said plurality of valve modules into said bleed module, each valve module having valve means operable in a first mode to open its valve chamber to said supply passage while sealing it from said bleed passage, in a second mode to open its valve chamber to said bleed passage while sealing it from said supply passage, and in a third mode to seal its valve chamber from both said supply passage and said bleed passage, means for supplying fluid under pressure to said inlet of said supply passage, a bleed outlet in said bleed module, and valve means in said bleed module operable selectively to place said bleed outlet in communication with said supply passage while sealing it from said bleed passage, to place said bleed outlet in communication with said bleed passage while sealing it from said supply passage, and to isolate said bleed outlet from both said supply passage and said bleed passage.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×