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. 17, 2004
Filed:
Oct. 05, 2001
Charles Ernest Gray, White Lake, MI (US);
Cape Alan Hall, Rockwood, MI (US);
Lloyd Bozzi, Ypsilanti, MI (US);
Takeshi Abe, Garden City, MI (US);
Vincent Paul Solferino, Dearborn, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
An air induction arrangement for a variable displacement engine is provided. The air induction arrangement includes first and second plenums fluidly connected to respective first and second throttles . The first and second throttles are connected to respective first and second inlets . In partial operation, the air induction arrangement induces air into the first plenum . In higher power demand operation, the air induction arrangement additionally induces air through the second plenum . There is a reduction of the cancellation of acoustic output between the first and second inlets so that an acoustic output of the engine operating with only a first group of cylinders is similar to the acoustic output of the engine when the engine is operating with both groups of cylinders