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:
May. 13, 2003
Filed:
Jun. 15, 2001
Applicant:
Inventors:
Blake R. Suhre, Neenah, WI (US);
Jeffery C. Ehlers, Neenah, WI (US);
Assignee:
Brunswick Corporation, Lake Forest, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 1/900 ; G01P 5/00 ;
U.S. Cl.
CPC ...
G01M 1/900 ; G01P 5/00 ;
Abstract
A method and apparatus are provided for calculating the air charge mass for an engine as a function of four measured parameters. These parameters include the engine speed measured by a tachometer, a throttle position measured by a throttle position sensor, manifold air temperature, and barometric pressure. Without the need for a mass air flow sensor or a manifold absolute pressure sensor, the present invention provides a system for quickly and accurately calculating the air charge mass for the engine.