The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 24, 1996
Filed:
Jun. 15, 1994
Applicant:
Inventors:
Giorgio Bergamini, Bari, IT;
Venanzio Mininni, Bari, IT;
Assignee:
Nuovopignone- Industrie Meccaniche e Fonderia S.p.A., Florence, IT;
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
137488 ; 137 85 ; 1371165 ; 251 29 ;
Abstract
An electropneumatic converter controlled by solenoid valves, in which the solenoid valves are connected respectively to the feed pressure and to atmosphere, each via a pressure regulator controlled by a differential pressure measurement device connected across a respective solenoid valve, so as to maintain a constant pressure difference across the solenoid valves.