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:
Sep. 16, 2003
Filed:
Nov. 14, 2002
Hsien Chung Pao, Plymouth, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
An engine having a plurality of cylinder banks, each one of the banks having at least one cylinder. Each one of the banks is fed air through a corresponding one of a pair of manifold plenums. A main throttle body is provided having an outlet for feeding air to a pair of output ports, each one of such output ports being coupled to feed the air to a corresponding one of the pair of manifold plenums. The main throttle body has a main throttle plate disposed therein to control airflow passing to the outlet of the main throttle body. One of the pair of plenums has a plenum throttle plate for controlling air from the one of the pair of output ports of the main throttle body coupled thereto to cylinders in the bank of cylinders coupled thereto. During transitions from an engine operation mode using a first number of the cylinders to a mode using a different number of the cylinders, the plenum throttle plate is operated to provide a change in airflow to said one of the pair of plenums in a first sense thereby changing the airflow in the other one of the bank of cylinders in a second, opposite sense.