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:
Mar. 02, 2004
Filed:
Jan. 24, 2003
Applicant:
Inventors:
John D. Kostun, Brighton, MI (US);
David J. Moenssen, Canton, MI (US);
Lakhi N. Goenka, Ann Arbor, MI (US);
Christopher E. Shaw, Canton, MI (US);
Assignee:
Visteon Global Technologies, Inc., Dearborn, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 3/510 ;
U.S. Cl.
CPC ...
F02M 3/510 ;
Abstract
A variable tuned telescoping resonator which militates against the emission of noise energy caused by intake air in a vehicle wherein the connector length and the volume of the resonator are varied as a function of engine speed simultaneously to provide attenuation of noise energy over a wide frequency range.