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. 24, 2012
Filed:
Dec. 08, 2008
Steven Henry Klotz, Commerce Township, MI (US);
Joachim Juergen Gernot Klesing, Rochester Hills, MI (US);
William E. Aumann, Oxford, MI (US);
Thomas Murray, Columbiaville, MI (US);
Steven Henry Klotz, Commerce Township, MI (US);
Joachim Juergen Gernot Klesing, Rochester Hills, MI (US);
William E. Aumann, Oxford, MI (US);
Thomas Murray, Columbiaville, MI (US);
Webasto AG, Stockdorf, DE;
Abstract
A system for variable engine compartment ventilation in a slim and compact unit with components used in non-related industries. The system can have at least one bank of movable louvers rotatably mounted within a louver frame for guiding a flow of air into a vehicle engine compartment; a motor to rotate the louvers with a motor gear formed on an output shaft rotatably connected in parallel to at least one helix cable by a helix cable drive gear and a louver pinion gear integral with each louver engaging the helix cable along its length; and a control unit for operating the assembly of movable louvers in response to an output signal from a vehicle communication bus. The output signal of the vehicle communication bus can be in response to input from an engine coolant temperature sensor or a vehicle speed sensor.