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. 18, 2003
Filed:
Aug. 24, 2001
Giuseppe Bo, Rivarolo Canavese, IT;
Embraco Europe S.r.l., Turin, IT;
Abstract
The hollow body of an intake silencer comprises a pair of matching insert ( ) of rigid moulded plastics material which are confined in a lower-cup shaped element ( ) by a lid ( ) and which together have a T-shaped configuration with a longitudinal partition ( ) which corresponds to the leg of the T and which extends in the lower element ( ) dividing it into two juxtaposes resonance chambers ( ), and with a transverse partition ( ) which corresponds to the transverse portion of the T and which separated the juxtaposed resonance chambers ( ) from an upper outlet chamber ( ). Each insert ( ) comprises a respective upper flange ( ) corresponding to a respective half of the transverse partition. One of the inserts comprises the longitudinal partition ( ) and this longitudinal partition has a siphon-shaped half-duct ( ) in the form of a recess; the other insert ( ) comprises at least one semi-tubuler appendage ( ) of corresponding siphon-like shape, extending from the respective upper flange ( ) and constituting another half-duct which, in combination with the aforesaid recess ( ), completes the internal duct.