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, 2013
Filed:
Feb. 17, 2010
Pietro Massini, Ancona, IT;
Massimiliano Caimmi, Morro D'Alba, IT;
Francesco Violi, Sant'Ilario D'Enza, IT;
Marco Vizzaccaro, Tivoli, IT;
Pietro Massini, Ancona, IT;
Massimiliano Caimmi, Morro D'Alba, IT;
Francesco Violi, Sant'Ilario D'Enza, IT;
Marco Vizzaccaro, Tivoli, IT;
Ask Industries S.p.A., Monte San Vito, IT;
Abstract
A muffler unit for a fume extractor hood includes an active noise suppression system, at least one loudspeaker, and at least two microphones connected to a control unit, and a passive noise suppression system having sound-absorbent material disposed between the microphones. The muffler unit further includes a conduit with upper fixing element and lower fixing element designed to be removably fixed to a motor unit and to a conveyor plate of the hood.