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:
Apr. 23, 2002
Filed:
Jul. 07, 2000
Cindy Marie Rutyna, Plymouth, MI (US);
Peter Langer, Lexington, MI (US);
Paul Raymond Murray, Park Ridge, IL (US);
Visteon Global Technologies, Inc., Dearborn, MI (US);
Abstract
A method and apparatus for controlling engine temperature in a closed circuit cooling system of an automobile having an electric water pump , a flow control valve , and electric fan . A powertrain control module electrically coupled to the electric water pump , flow control valve and electric fan interprets inputs from various sensors to adjust the pumping speed of an electric water pump , adjust the rotational speed of an electric fan , and/or adjust the flow rate through a flow control valve to the radiator according to a look up table as a function of fuel economy, emissions, thermal management and electrical load management.