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. 02, 2013
Filed:
Feb. 26, 2009
Applicants:
Zoltan Kardos, Södertälje, SE;
Erik Söderberg, Stockholm, SE;
Inventors:
Zoltan Kardos, Södertälje, SE;
Erik Söderberg, Stockholm, SE;
Assignee:
Scania CV AB, , SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01P 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cooling fan () for a vehicle engine (), having a fan casing () and a fan rotor () which is movable axially relative to the fan casing during operation. There is an actuator () for moving the fan rotor () to positions which represent various degrees of protrusion (a) from an end of the fan casing () in order to optimise the fan's suction capacity and efficiency on the basis of current operating parameters such as fan speed and vehicle velocity.