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:
Nov. 08, 2011
Filed:
Nov. 12, 2008
Andrea Spaggiari, Reggio Emilia, IT;
Eugenio Dragoni, Lugo, IT;
Nazario Bellato, Bologna, IT;
Michele Pecora, Potenza, IT;
Federico Lancioni, Sangemini, IT;
Stefano Fornara, Modena, IT;
Andrea Baldassari, Bologna, IT;
Andrea Spaggiari, Reggio Emilia, IT;
Eugenio Dragoni, Lugo, IT;
Nazario Bellato, Bologna, IT;
Michele Pecora, Potenza, IT;
Federico Lancioni, Sangemini, IT;
Stefano Fornara, Modena, IT;
Andrea Baldassari, Bologna, IT;
Abstract
A combined actuator provided with: a mobile element; a driver for displacing the mobile element; and a rheological control brake, which is mechanically coupled to the mobile element to adjust the displacement of the mobile element; the rheological control brake has: two contiguous adjustment chambers; a rheological fluid contained in the two adjustment chambers; a sliding piston, which tightly separates the two adjustment chambers and is mechanically connected to the mobile element; at least one external connection pipe, which reciprocally connects the two adjustment chambers; and a driving device which is coupled to the external connection pipe so as to apply a variable electromagnetic field to the rheological fluid contained in the external connection pipe for varying the viscosity of the rheological fluid between a minimum value and a maximum value.