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:
Feb. 04, 2014
Filed:
Apr. 27, 2009
Applicants:
Massimo Schiavone, Carrara, IT;
Andrea Raggi, Lerici, IT;
Carlo Rossi, Bologna, IT;
Inventors:
Assignee:
Dott. Ing. Mario Cozzani S.r.l., Arcola, IT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Method for controlling the position of an electromechanical actuator for reciprocating compressor valves. The actuator includes a member () movable in a direction parallel to the direction for opening and closing the obturator of the valve (), between a position corresponding to the closed position and a position corresponding to the open position of the obturator (). The member () is provided with a mechanism () able to act on the obturator () and with a magnetizable portion () co-operating with two electromagnets () and being arranged in equilibrium between the latter via a suitable mechanism.