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:
Dec. 01, 2020
Filed:
Apr. 28, 2017
Savio Macchine Tessili S.p.a., Pordenone, IT;
Fabio D'Agnolo, Pordenone, IT;
Vittorio Colussi, Pordenone, IT;
Abstract
An air-jet type spinning device (), comprising a body () at least partially hollow which defines a spinning chamber (), a fibre feeding device () that feeds fibres into the spinning chamber (), and a spinning spindle () including a spinning channel () for the suction of yarn obtained from the fibres. The device () including at least one channel () for sending a jet of compressed air inside the spinning chamber (). A flow amplifier () comprising an expansion chamber () is in fluidic connection with the outside of the body (), wherein the at least one channel () comes out in an emission point () inside the expansion chamber (), to introduce compressed air at an inlet cross-section (). The expansion chamber () comprises an outlet mouth (), fluidically connected to the spinning chamber () and having an outlet cross-section () smaller than the inlet cross-section ().