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:
Jun. 14, 2016
Filed:
Dec. 12, 2012
Elbi International S.p.a., Turin, IT;
Paolo Da Pont, Turin, IT;
Paolo Ravedati, Moncalieri, IT;
Giosue Capizzi, Buttigliera Alta, IT;
Maurizio Rendesi, Villarbasse, IT;
Fabrizio Paris, Druento, IT;
Roberto Bosio, Turin, IT;
Francesco Di Benedetto, Grugliasco, IT;
ELBI INTERNATIONAL S.P.A., Turin, IT;
Abstract
The pilot valve () comprises a body () in which there is defined a control chamber () which is intended to communicate with the inlet () of the hydraulic valve () and which, through a restricted outlet passage () associated with a valve seat (), is able to be selectively brought into communication with the outlet () of the hydraulic valve (); at least one core () mounted movably within a portion () of said body () and inside the control chamber () and carrying a closing member () cooperating with the valve seat (); and an actuator (-) including a solenoid or coil () of copper wire, mounted around said portion () of the body (), for selectively controlling the position of the core () and the closing member () with respect to the valve seat () and the communication between the control chamber () and the restricted outlet passage (); and wherein the ratio of the diameter (d) of the restricted outlet passage () to the weight (m) of the solenoid () is between 0.06 and 0.10 mm/g.