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:
Oct. 23, 1990
Filed:
May. 08, 1989
Virginio Maggioni, Rosta, IT;
Vittorino Torrielli, Turin, IT;
Fiat Auto S.p.A., Turin, IT;
Abstract
An electromagnetically operated rotary servovalve particularly suitable for controlling hydraulic actuators, for example forming part of vehicle suspensions is described; the servovalve comprises a valve body provided with at least one series of respective radial ducts disposed angularly spaced apart, a rotary distributor of cock type which depending on its angular position either blocks said radial ducts or selectively connects them together in pairs, a pair of linear electromagnetic actuators, and transmission means mechanically connecting said electromagnetic actuators to said rotary distributor and arranged to convert with a predetermined step-up ratio the linear motion of said actuators into rotary motion of said distributor.