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. 05, 2019
Filed:
Feb. 10, 2016
Dott. Ing. Mario Cozzani S.r.l., Arcola, Province of La Spezia, IT;
Massimo Schiavone, Carrara, IT;
Andrea Raggi, Lerici, IT;
DOTT. ING. MARIO COZZANI S.R.L., Arcola, IT;
Abstract
An electromechanical actuator for controlling the delivery rate of reciprocating compressors, comprising: a movable rod designed to cooperate at one end with a suction valve of a reciprocating compressor and at the other with a moving element made of a magnetizable material; at least one chamber in which said moving element is housed and onto which at least one winding of an electromagnet positioned inside a seat facing said chamber protrudes, there being positioned between said winding and said chamber at least one protective element made of a non-magnetic material and provided with static sealing elements and designed to keep the winding of the electromagnet separated from the chamber in which said moving element is housed, characterized in that said protective element made of a non-magnetic material comprises at least two series of static sealing elements, a first series being positioned internally to the protective element and a second series being positioned externally to the protective element, with gas recovery holes being provided between said series of static sealing elements, and in that at least one hole for connection to a gas bleeding and washing circuit is provided in said chamber.